PUBLICATIONS

The PLACETM is proud to have successfully published findings on a variety of topics in a wide range of journals.

DIAGNOSTIC IMAGING

HEALTH CARE FINANCING 

HOSPITAL CLOSURES

INTERNATIONAL EMERGENCY MEDICINE

NATIONAL HOSPITAL AMBULATORY MEDIAL CARE SURVEY (NHAMCS)

ORGANIZATION OF HEALTH CARE SERVICES

PATIENT-CENTERED CARE

PEDIATRIC EMERGENCY MEDICINE

QUALITY METRICS

REDUCING ED UTILIZATION & HOSPITAL ADMISSIONS

TRIAGE

VULNERABLE POPULATIONS & OUTCOME DISPARITIES


 

DIAGNOSTIC IMAGING

 

►  Mower W, Gupta M, Rodriguez R, Hendey GW. Validation of the sensitivity of the National Emergency X-Radiography Utilization Study (NEXUS) Head computed tomographic (CT) decision instrument for selective imaging of blunt head injury patients: An observational study. PLoS Medicine. 2017;14(7):e1002313. doi: 10.1371/journal.pmed.1002313.

►  Moore N, Patel B, Zubi N, Langdorf MI, Rodriguez RM. Feasibility of Informed Consent for Computed Tomography in Acute Trauma Patients. Academic Emergency Medicine. 2017;24(5):637-640.

►  Murphy IV CE, Raja AS, Baumann BM, Medak AJ, Langdorf MI, Nishijima DK, Hendey GW, Mower WR, Rodriguez RM. Rib Fracture Diagnosis in the Panscan Era. Annals of Emergency Medicine. 2017;doi.org/10.1016/j.annemergmed.2017.04.011.

►  Rose CC, Rodriguez RM. Toward Precision Diagnostics. Acad Emerg Med. 2017;24(5):644-646.

►  Savino PB, Reichelderfer S, Mercer MP, Wang R, Sporer KA. Direct Versus Video Laryngoscopy for Prehospital Intubation: A Systematic Review and Meta-analysis. Acad Emerg Med. 2017; doi: 10.1111/acem.13193.

► Wang RC, Rodriguez RM, Fahimi J, Hall MK, Shiboski S, Chi T, Smith-Bindman R. Derivation of decision rules to predict clinically important outcomes in acute flank pain patients. American Journal of Emergency Medicine. 2016 Dec 11; doi: 10.1016/j.ajem.2016.12.009.

► Riguzzi C, Binkowski A, Butterfield M, Sani F, Teismann N, Fahimi J. A randomised experiment comparing low-cost ultrasound gel alternative with commercial gel. Emergency Medicine Journal. Published online first: Dec 16, 2016; doi: 10.1136/emermed-2016-206169.

► Rodriguez RM, Hendey GW, Mower W. Selective chest imaging for blunt trauma patients: The national emergency x-ray utilization studies (NEXUS-chest algorithm). The American Journal of Emergency Medicine. 2017 Jan; 35(1): 164-70.

► Raja AS, Mower WR, Nishijima DK, Hendey GW, Baumann BM, Medak AJ, Rodriguez RM. Prevalence and diagnostic performance of isolated and combined NEXUS chest CT decision criteria. Academic Emergency Medicine. 2016 Aug; 23(8):863-9.

►  Villar J, Summers SM, Menchine MD, Fox JC, Wang R. The absence of gallstones on point-of-care ultrasound rules out acute cholecystitis. Journal of Emergency Medicine. 2015 Oct; 49(4):475-80.

► Mantuani D, Frazee BW, Fahimi J, Nagdev A. Point-of-Care Multi-Organ Ultrasound Improves Diagnostic Accuracy in Adults Presenting to the Emergency Department with Acute Dyspnea.West J Emerg Med. 2016 Jan;17(1):46-53. doi: 10.5811/westjem.2015.11.28525.

► Wang RC, Bent S, Weber E, Neilson J, Smith-Bindman R, Fahimi J. The Impact of Clinical Decision Rules on Computed Tomography Use and Yield for Pulmonary Embolism: A Systematic Review and Meta-analysis. Ann Emerg Med. 2015 Dec 31. pii: S0196-0644(15)01475-4.

► Tong GE, Staudenmayer K, Hsia RY. Use of emergency department imaging in patients with minor trauma. J Surg Res. 2015 Dec 1. pii: S0022-4804(15)01144-0.

► Rodriguez RM Friedman B, Langdorf MI, Baumann BM, Nishijima DK, Hendey GW, Medak AJ, Raja AS, Mower WR. Pulmonary contusion in the pan-scan era. Injury. 2015 Nov 30. pii: S0020-1383(15)00766-4.

► Finnerty NM, Rodriguez RM, Carpenter CR, Sun BC, Theyyunni N, Ohle R, Dodd KW, Schoenfeld EM, Elm KD, Kline JA, Holmes JF, Kuppermann N. Clinical Decision Rules for Diagnostic Imaging in the Emergency Department: A Research Agenda. Acad Emerg Med. 2015 Dec;22(12):1406-16.

► Academic Emergency Medicine Special Issue: Proceedings of the 2015 AEM Consensus Conference: Imaging in the Emergency Department. Includes articles by Drs. Kanzaria & Rodriguez. December 2015. Volume 22, Issue 12

► Rodriguez RM, Langdorf MI, Nishijima D, Baumann BM, Hendey GW, Medak AJ, Raja AS, Allen IE, Mower WR. Derivation and validation of two decision instruments for selective chest ct in blunt trauma: a multicenter prospective observational study (NEXUS Chest CT). PLoS Med: 2015 Oct 6; 12(10):e1001883.

► Kanzaria HK, McCabe AM, Meisel ZM, LeBlanc A, Schaffer JT, Bellolio MF, Vaughan W, Merck LH, Applegate KE, Hollander JE, Grudzen CR, Mills AM, Carpenter CR, Hess EP. Advancing patient-centered outcomes in emergency diagnostic imaging: a research agenda. Academic Emergency Medicine. 2015 Nov 17.

► Kanzaria HK, Hall MK, Moore CL, Burstin H. Emergency department diagnostic imaging: the journey to quality. Academic Emergency Medicine. 2015 Nov 17. doi: 10.1111/acem.12817.

► Wang RC, Rodriguez RM , Moghadassi M, Noble V, Bailitz J, Mallin M, et al. External Validation of the STONE Score, a Clinical Prediction Rule for Ureteral Stone: An Observational Multi-institutional Study. Ann Emerg Med. 2015 Oct.

► Langdorf MI, Medak AJ, Hendey GW, Nishijima DK, Mower WR, Raja AS, Baumann BM, Anglin DR, Anderson CL, Lotfipour S, Reed KE, Zuabi N, Khan NA, Bithell CA, Rowther AA, Villar J, Rodriguez RM. Prevalence and Clinical Import of Thoracic Injury Identified by Chest Computed Tomography but Not Chest Radiography in Blunt Trauma: Multicenter Prospective Cohort Study. Ann Emerg Med. July 2015.

► Itakura KS, Pillsbury MM, Rodriguez RM. Interruptions of Trauma Resuscitations for Radiographic Procedures. J Emerg Med. 2015;49(2):231-235.

► Perez MR, Rodriguez RM, Baumann BM, Langdorf MI, Anglin D, Bradley RN, et al. Sternal fracture in the age of pan-scan. Injury. 2015 Mar;

► Kanzaria HK, Hoffman JR, Probst MA, Caloyeras J, Berry SH, Brook RH. Emergency Physician Perceptions of Unnecessary Advanced Diagnostic Imaging. Academic Emergency Medicine. 2015 Mar 23. doi: 10.1111/acem.12625.

► Smith-Bindman R, Aubin C, Bailitz J, Bengiamin RN, Camargo CA, Corbo J, Dean AJ, Goldstein RB, Griffey RT, Jay GD, Kang TL, Kriesel DR, Ma OJ, Mallin M, Manson W, Melnikow J, Miglioretti DL, Miller SK, Mills LD, Miner JR, Moghadassi M, Noble VE, Press GM, Stoller ML, Valencia VE, Wang J, Wang RC, Cummings SR. Ultrasonography versus computed tomography for suspected nephrolithiasis. N Engl J Med. 2014 Sep 18; 371(12):1100-10.

Kanzaria HK, Probst MA, Ponce NA, Hsia RY. The association between advanced diagnostic imaging and ED length of stay. American Journal of Emergency Medicine. 2014; 32(10): 1253–1258.

► Lee LK, Rogers AJ, Ehrlich PF, Kwok M, Sokolove PE, Blumberg S, Kooistra J, Olsen C, Wooton-Gorges S, Cooper A, Kuppermann N, Holmes JF, Pediatric Emergency Care Applied Research Network (PECARN). Occult pneumothoraces in children with blunt torso trauma. Academic Emergency Medicine. 2014; 21(4):440-48.

Rodriguez RM, Henderson TM, Ritchie AM, Langdorf MI, Raja AS, Silverman E, Schlang J, Sloane B, Ronan CE, Anderson CL, Baumann BM. Patient preferences and acceptable risk for computed tomography in trauma. Injury. 2014;45:1345-49.

► Kerrey BT, Rogers A, Lee L, Adelgais K, Tunik M, Blumberg S, Quayle K, Sokolove PE, MD, Wisner D, Miskin M, Kuppermann N, and Holmes JF for the Pediatric Emergency Care Applied Research Network (PECARN). Multicenter study of the risk of intra-abdominal injury after blunt torso trauma among children with normal computed tomography scans in the emergency department. Annals of Emergency Medicine. 2013; 62(4):319-26.

► Langdorf MI, Zuabi N, Khan NA, Bithell C, Rowther AA, Reed K, Anderson CL, Lotfipour S, Rodriguez RM. Yield and Clinical Predictors of Thoracic Spine Injury from Chest Computed Tomography for Blunt Trauma. West Jour Emerg Med 2014;15:465-470.

Rodriguez RM, Baumann BM, Raja AS, Langdorf MI, Anglin D, Bradley RN, et al. Diagnostic yields, charges, and radiation dose of chest imaging in blunt trauma evaluations. Acad Emerg Med. United States; 2014 Jun;21(6):644–50.

Rodriguez RM, Anglin D, Langdorf MI, Baumann BM, Hendey GW, Bradley RN, et al. NEXUS chest: validation of a decision instrument for selective chest imaging in blunt trauma. JAMA Surg. 2013;148(10):940–6.

► Kea B, Gamarallage R, Fortman J, Lunney K, Hendey GW, Rodriguez RM. What is the clinical significance of chest computed tomography when the chest x-ray result is normal in patients with blunt trauma? Am J Emerg Med 2013:8;1268-73.

Fahimi J, Herring A, Harries A, Gonzales R, Alter H. Computed tomography use among children presenting to emergency departments with abdominal pain. Pediatrics. 2012 Nov; 130(5):e1069-75.

► Calderon G, Fortman J, Rodriguez RM. Provider Perceptions Concerning Use of Chest X-Rays in Adult Blunt Trauma Assessments. The Journal of Emergency Medicine 2011:43;568-74.

Rodriguez RM, Hendey GW, Mower W, Kea B, Fortman J, Merchant G, et al. Derivation of a decision instrument for selective chest radiography in blunt trauma. J Trauma. United States; 2011 Sep;71(3):549–53.

► Stein JC, Jacoby VL, Vittinghoff E, Wang R, Kwan E, Reynolds T, McAlpine I, Gonzales R. Differential use of diagnostic ultrasound in u.s. Emergency departments by time of day. West J Emerg Med. 2011 Feb; 12(1):90-5.

► Westphalen AC, Hsia RY, Maselli JH, Wang R, Gonzales R. Radiological imaging of patients with suspected urinary tract stones: national trends, diagnoses, and predictors. Acad Emerg Med. 2011 Jul; 18(7):699-707.

 


 

HEALTH CARE FINANCING

 

►  Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. The Relationship of Financial Pressures and Community Characteristics to Closure of Private Safety Net Clinics. Med Care Res Rev. 2015 Dec 28.

►  Hernandez-Boussard T, Morrison D, Goldstein BA, Hsia RY. Relationship of Affordable Care Act Implementation to Emergency Department Utilization Among Young Adults. Ann Emerg Med. 2016 Jan 4. pii: S0196-0644(15)01568-1.

►  Iyer S, Jones A, Talamantes E, Barnert ES, Kanzaria HK, Detz A, et al. Improving Health Care for the Future Uninsured in Los Angeles County: A Community-Partnered Dialogue. Ethinicity Dis. 2015;25(4):487–94.

►  Valdovinos E, Le S, Hsia RY. In California, not-for-profit hospitals spent more operating expenses on charity care than for-profit hospitals spent. Health Aff (Millwood). 2015;34(8):1296-1303. doi:10.1377/hlthaff.2014.1208.

►  Fingar KR, Smith MW, Davies S, McDonald KM, Stocks C, Raven MC. Medicaid dental coverage alone may not lower rates of dental emergency department visits.. Health Aff (Millwood). United States; 2015 Aug;34(8):1349–57.

► Fryling LR, Mazanec P, Rodriguez RM. Barriers to Homeless Persons Acquiring Health Insurance Through the Affordable Care Act. J Emerg Med. August 2015. doi:10.1016/j.jemermed.2015.06.005.

► Vashi A, Cafardi S, Ross J, Shrank W. Observation stays and subsequent nursing facility stays. American Journal of Managed Care. 2015;21(4):e276-e281.

►  Hsia RY, Antwi YA. Variation in Charges for Emergency Department Visits Across California. Ann Emerg Med. 2014;64(2):120-126.e4.

Hsia RY, Antwi YA, Weber E, Brownell JP. A cross-sectional analysis of variation in charges and prices across California for percutaneous coronary intervention. PLoS One. 2014;9(8):e103829.

►Fox J, Tyler J, Vashi A, Hsia R, Saxe J. Variation in the value of colectomy for cancer across hospitals: mortality, readmissions and costs. Surgery. 2014; 156(4): 849-860.

Hsia RY, Baker LC. The Association Between Community-level Insurance Coverage and Emergency Department Use. Med Care. 2014;52(6):535-40.

► Purkudpol P, Wiler JL, Hsia RY, Ginde AA. Association of Medicare and Medicaid Insurance with Increasing Primary Care-Treatable Emergency Department Visits in the United States. Acad Emerg Med. 2014;21(10):1135-1142.

Hsia RY, Brownell J, Baker LC. Emergency Department Visits by Children, Adolescents, and Young Adults in California by Insurance Status, 2005-2010. JAMA. 2014;312(15):1587-1588.

 


 

HOSPITAL CLOSURES

 

►  Shen YC, Hsia RY. >.Association Between Emergency Department Closure and Treatment, Access, and Health Outcomes Among Patients with Acute Myocardial Infarction. Circulation. 2016; 134(20):1595-97.

►  Crandall M, Sharp D, Wei X, Nathens A, Hsia RY.Effects of closure of an urban level I trauma centre on adjacent hospitals and local injury mortality: a retrospective, observational study. BMJ Open. 2016 May 10;6(5):e011700.

►  Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. The Relationship of Financial Pressures and Community Characteristics to Closure of Private Safety Net Clinics. Med Care Res Rev. 2015 Dec 28.

Hsia RY, Srebotnjak T, Maselli J, Crandall M, McCulloch C, Kellermann AL. The Association of Trauma Center Closures with Increased Inpatient Mortality for Injured Patients. J Trauma Acute Care Surg. 2014;76(4):1048-1054.

► Liu C, Srebotnjak T, Hsia RY. Emergency Department Closures Are Associated With Increased Inpatient Mortality At Nearby Hospitals. Health Aff (Millwood). 2014;33(8):1323-1329.

Hsia RY, Srebotnjak T, Kanzaria HK, McCulloch C, Auerbach AD. System-level health disparities in California emergency departments: minorities and Medicaid patients are at higher risk of losing their emergency departments. Annals of emergency medicine. 2013; 59(5), 358-65.

Hsia RY, Kanzaria HK, Srebotnjak T, Maselli J, McCulloch CM, Auerbach AD. Is Emergency Department Closure Resulting in Increased Distance to the Nearest Emergency Department Associated with Increased Inpatient Mortality? Annals of Emergency Medicine. 2012; Dec 60(6), 707-715.e4.

 


 

INTERNATIONAL EMERGENCY MEDICINE

 

► Riguzzi C, Binkowski A, Butterfield M, Sani F, Teismann N, Fahimi J. A randomised experiment comparing low-cost ultrasound gel alternative with commercial gel. Emergency Medicine Journal. Published online first: Dec 16, 2016; doi: 10.1136/emermed-2016-206169.

► Reynolds TA, Noble J, Paschal G, Sawe HR, Sohoni A, Shah S, Nicks B, Mwafongo V, Stein J. Bedside ultrasound training at Muhimbili National Hospital in Dar es Salaam, Tanzania and Hospital San Carlos in Chiapas, Mexico. African Journal of Emergency Medicine. 2016; 6:125-31.

► Abujaber S, Chang CY, Reynolds TA, Mowafi H, Obermeyer Z. Developing metrics for emergency care research in low- and middle-income countries. African Journal of Emergency Medicine. 2016; 6:116-24.

► Bae C, Geduld H, Wallis LA, Smit DV, Reynolds T. Professional needs of young Emergency Medicine specialists in Africa: Results of a South Africa, Ethiopia, Tanzania, and Ghana survey. African Journal of Emergency Medicine. 2016 June; 6(2):94-99.

►  Sawe HR, Mfinanga JA, Ringo FH, Mwafongo V, Reynolds TA, Runyon MS. HIV counselling and testing practices for children seen in an urban emergency department of a tertiary referral hospital in Dar es Salaam, Tanzania: a retrospective cross-sectional study. BMJ Open. 2016 Feb 15;6(2):e010298. doi: 10.1136/bmjopen-2015-010298.

► Sawe HR, Mfinanga JA, Mwafongo V, Reynolds TA, Runyon MS. The test characteristics of physician clinical gestalt for determining the presence and severity of anaemia in patients seen at the emergency department of a tertiary referral hospital in Tanzania. Emergency Medicine Journal. 2015 Nov 26.

► Al-Shorbaji N, Haux R, Krishnamurthy R, Marschollek M, Mattfeld DC, Bartolomeos K, Reynolds TA. Road Traffic Related Injury Research and Informatics. New Opportunities for Biomedical and Health Informatics as a Contribution to the United Nations’ Sustainable Development Goals? . Methods Inf Med. Germany; 2015 Oct;54(5):474–6.

► Kuzma K, Lim AG, Kepha B, Nalitolela NE, Reynolds TA. The Tanzanian trauma patients' prehospital experience: a qualitative interview-based study. BMJ Open. 2015; 5(4):e006921.

► Kannan VC, Andriamalala CN, Reynolds TA. The burden of acute disease in Mahajanga, Madagascar - a 21 month study. PLoS One. 2015; 10(3):e0119029.

►Mason S, Mountain G, Turner J, Arain M, Revue E, Weber EJ. Innovations to reduce demand and crowding in emergency care; a review study. Scand J Trauma Resusc Emerg Med. 2014; 22(1):55.

► Sawe HR, Mfinanga JA, Lidenge SJ, Mpondo BC, Msangi S, Lugazia E, Mwafongo V, Runyon MS, Reynolds TA. Disease patterns and clinical outcomes of patients admitted in intensive care units of tertiary referral hospitals of Tanzania. BMC Int Health Hum Rights. 2014; 14:26.

Weber EJ, Mason S, Freeman JV, Coster J. Implications of England's four-hour target for quality of care and resource use in the emergency department. Ann Emerg Med. 2012 Dec; 60(6):699-706.

►Mason S, Weber EJ, Coster J, Freeman J, Locker T. Time patients spend in the emergency department: England's 4-hour rule-a case of hitting the target but missing the point? Ann Emerg Med. 2012 May; 59(5):341-9.

► Reynolds TA, Mfinanga JA, Sawe HR, Runyon MS, Mwafongo V. Emergency care capacity in Africa: a clinical and educational initiative in Tanzania. J Public Health Policy. 2012; 33 Suppl 1:S126-37.

► Celletti F, Reynolds TA, Wright A, Stoertz A, Dayrit M. Educating a new generation of doctors to improve the health of populations in low- and middle-income countries. PLoS Med. 2011 Oct; 8(10):e1001108.

 


 

NATIONAL HOSPITAL AMBULATORY MEDICAL CARE SURVEY (NHAMCS)

 

► Singhal A, Tien Y, Hsia RY. Racial-Ethnic Disparities in Opioid Prescriptions at Emergency Department Visits for Conditions Commonly Associated with Prescription Drug Abuse. PLoS One. 2016;11(8): e0159224.

► Kanzaria HK, Probst MA, Hsia RY. Emergency Department Death Rates Dropped By Nearly 50 Percent, 1997-2011. Health Affairs. July 2016; 35(7):1303-1308.

►  Hsia RY, Hale Z, Tabas JA. A National Study of the Prevalence of Life-Threatening Diagnoses in Patients With Chest Pain. JAMA Intern Med. 2016 Jul 1;176(7):1029-32.

► Hsia RY, Friedman AB, Niedzwiecki M. Urgent care needs among nonurgent visits to the emergency department. JAMA Internal Medicine. 2016.

► Probst MA, Kanzaria HK, Gbedemah M, Richardson LD, Sun BC. National trends in resource utilization associated with ED visits for syncope. Am J Emerg Med. 2015;33(8):998-1001. doi:10.1016/j.ajem.2015.04.030.

► Purkudpol P, Wiler JL, Hsia RY, Ginde AA. Association of Medicare and Medicaid Insurance with Increasing Primary Care-Treatable Emergency Department Visits in the United States. Acad Emerg Med. 2014;21(10):1135-1142.

Kanzaria HK, Probst MA, Ponce NA, Hsia RY. The association between advanced diagnostic imaging and ED length of stay. American Journal of Emergency Medicine. 2014; 32(10): 1253–1258.

► Govindarajan P, Gonzales R, Maselli JH, Claiborne Johnston S, Fahimi J, Poisson S, Stein JC. Regional differences in emergency medical services use for patients with acute stroke (findings from the national hospital ambulatory medical care survey emergency department data file). J Stroke Cerebrovasc Dis. 2013 Nov; 22(8):e257-63.

Raven MC, Lowe RA, Maselli J, Hsia RY. Comparison of presenting complaint vs discharge diagnosis for identifying " nonemergency" emergency department visits. JAMA. 2013 Mar 20; 309(11):1145-53.

► Kamel H, Fahimi J, Govindarajan P, Navi BB. Nationwide patterns of hospitalization after transient ischemic attack. J Stroke Cerebrovasc Dis. 2013 Oct; 22(7):e142-5.

► Herring AA, Ginde AA, Fahimi J, Alter HJ, Maselli JH, Espinola JA, Sullivan AF, Camargo CA. Increasing critical care admissions from U.S. Emergency departments, 2001-2009. Crit Care Med. 2013 May; 41(5):1197-204.

Fahimi J, Herring A, Harries A, Gonzales R, Alter H. Computed tomography use among children presenting to emergency departments with abdominal pain. Pediatrics. 2012 Nov; 130(5):e1069-75.

► Durant E, Fahimi J. Factors associated with ambulance use among patients with low-acuity conditions. Prehosp Emerg Care. 2012 Jul-Sep; 16(3):329-37.

► Kamel H, Navi BB, Fahimi J. National trends in ambulance use by patients with stroke, 1997-2008. JAMA. 2012 Mar 14; 307(10):1026-8.

► Stein JC, Jacoby VL, Vittinghoff E, Wang R, Kwan E, Reynolds T, McAlpine I, Gonzales R. Differential use of diagnostic ultrasound in U.S. Emergency departments by time of day. West J Emerg Med. 2011 Feb; 12(1):90-5.

► Westphalen AC, Hsia RY, Maselli JH, Wang R, Gonzales R. Radiological imaging of patients with suspected urinary tract stones: national trends, diagnoses, and predictors. Acad Emerg Med. 2011 Jul; 18(7):699-707.

 


 

ORGANIZATION OF HEALTH CARE SERVICES

 

►  Sabbatini AK, Hsia RY. It's time for a strategic approach to observation care. J Hosp Med. 2017;12(6):479-480.

►  Chow JL, Niedzwiecki MJ , Hsia RY. Trends in the supply of California’s emergency departments and inpatient services, 2005–2014: a retrospective analysis. BMJ Open. 2017;7(5):e014721.

►  Weber EJ , Hirst E, Marsh M. The patient’s dilemma: attending the emergency department with a minor illness. BMJ. 2017;257. doi: 10.1136/bmj.j1941.

►  Uribe-Leitz T, Esquivel MM, Knowlton LM, Ciesla D, Lin F, Hsia RY, Spain DA, Winchell RJ, Staudenmayer KL. The American College of Surgeons (ACS) Needs-Based Assessment of Trauma Systems (NBATS): Estimates for the State of California.. J Trauma Acute Care Surg. 2017 Feb 28; doi: 10.1097/TA.0000000000001408.

► Raven MC, Guzman D, Chen AH, Kornak J, Kushel M. Out-of-Network Emergency Department Use among Managed Medicaid Beneficiaries. Health Services Research. 2016 Nov 11.

► Nath JB, Costigan S, Lin F, Vittinghoff E, Hsia RY. Federally qualified health center access and emergency department use among children. Pediatrics. 2016; 138(4):e20160479.

► Rokos IC, Sporer K, Savino PB, Mercer MP, Shontz S, Sabbagh S, Hsia RY. A Novel Tool to Quantify the Degree and Duration of STEMI Regionalization across California. Critical Pathways in Cardiology. 2016;15(3):103-105.

► Staudenmayer K, Weiser TG, Maggio P, Spain D, Hsia RY. Trauma center care is associated with reduced readmissions after injury. Journal of Trauma and Acute Care Surgery. 2016; 80(3):412-418.

► Schoenfeld AJ, Davies JM, Marafino BJ, Dean M, DeJong C, Bardach NS, Kazi DS, Boscardin WJ, Lin GA, Duseja R, Mei YJ, Mehrotra A, Dudley RA. Variation in quality of urgent health care provided during commercial virtual visits. JAMA Internal Medicine. 2016 Apr 4; 176(5):635-642.

► Nath JB, Costigan S, Hsia RY. Changes in demographics of patients seen at federally qualified health centers, 2005-2014. JAMA Internal Medicine. 2016; 176(5).

► Le ST, Hsia RY. Community characteristics associated with where urgent care centers are located: a cross-sectional analysis. BMJ Open. 2016 Apr 7;6(4):e010663.

► Shen YC, Hsia RY. Do patients hospitalised in high-minority hospitals experience more diversion and poorer outcomes? A retrospective multivariate analysis of Medicare patients in California. BMJ Open. 2016.

► Niedzwiecki M, Baicker K, Wilson M, Cutler DM, Obermeyer Z. Short-term outcomes for Medicare beneficiaries after low-acuity visits to emergency departments and clinics. Medical Care. 2016

►  Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. Private safety-net clinics: effects of financial pressures and community characteristics on closures. Working Paper (No. 21648), National Bureau of Economic Research. October 9, 2015.

►  Fahimi J, Hsia RY. Emergency department observation units: less than we bargained for? Journal of Hospital Medicine. 2015 Nov; 10(11):762-3.

►  Shen Y-C, Hsia RY. Ambulance diversion associated with reduced access to cardiac technology and increased one-year mortality. Health Aff (Millwood). United States; 2015 Aug;34(8):1273–80.

►  Valdovinos E, Le S, Hsia RY. In California, not-for-profit hospitals spent more operating expenses on charity care than for-profit hospitals spent. Health Aff (Millwood). 2015;34(8):1296-1303. doi:10.1377/hlthaff.2014.1208.

►  Fingar KR, Smith MW, Davies S, McDonald KM, Stocks C, Raven MC. Medicaid dental coverage alone may not lower rates of dental emergency department visits.. Health Aff (Millwood). United States; 2015 Aug;34(8):1349–57.

►  Al-Shorbaji N, Haux R, Krishnamurthy R, Marschollek M, Mattfeld DC, Bartolomeos K, Reynolds TA. Road Traffic Related Injury Research and Informatics. New Opportunities for Biomedical and Health Informatics as a Contribution to the United Nations’ Sustainable Development Goals? . Methods Inf Med. Germany; 2015 Oct;54(5):474–6.

► Duseja R, Bardach NS, Lin GA, et al. Revisit rates and associated costs after an emergency department encounter: a multistate analysis. Ann Intern Med. 2015;162(11):750-756. doi:10.7326/M14-1616.

► Vashi A, Cafardi S, Ross J, Shrank W. Observation stays and subsequent nursing facility stays. American Journal of Managed Care. 2015;21(4):e276-e281.

► Handel DA, Fu R, Vu E. Augustine JJ, Hsia RY, Shufflebarger CM, Sun B. Association of Emergency Department and Hospital Characteristics with Elopements and Length of Stay. J Emerg Med. 2014;46(6):839-846.

► Carrier E, Khaldun J, Hsia RY. The association between emergency department length of stay and rates of admission to inpatient and observation services. JAMA Intern Med. 2014. Published online September 15, 2014. doi:10.1001/jamainternmed.2014.3467.

Kanzaria HK, Probst MA, Ponce NA, Hsia RY. The association between advanced diagnostic imaging and ED length of stay. American Journal of Emergency Medicine. 2014; 32(10): 1253–1258.

► Le S, Hsia RY. The Timeliness of Care in U.S. Emergency Departments. JAMA Intern Med. 2014, Published online September 15, 2014. doi:10.1001/jamainternmed.2014.3431.

► Rabin E, Kocher K, McClelland M, Pines J, Hwang U, Rathlev N, Asplin B, Trueger NS, Weber E. Solutions to emergency department 'boarding' and crowding are underused and may need to be legislated. Health Aff (Millwood). 2012 Aug; 31(8):1757-66.

► Fee C, Weber EJ, Bacchetti P, Maak CA. Effect of emergency department crowding on pneumonia admission care components. Am J Manag Care. 2011 Apr; 17(4):269-78.

► Brachet T, David, G, and Duseja, R. The Effect of Shift Structure on Performance: The Role of Fatigue for Paramedics. The National Bureau of Economic Research. The Effect of Shift Structure on Performance: The Role of Fatigue for Paramedics. 2010.

 


 

PATIENT-CENTERED CARE

 

► Probst MA, Kanzaria HK, Schoenfeld EM, Menchine MD, Breslin M, Walsh C, Melnick ER, Hess EP. Shared Decisionmaking in the Emergency Department: A Guiding Framework for Clinicians. Ann Emerg Med. 2017 May 27; doi: 10.1016/j.annemergmed.2017.03.063.

► Wang RC, Rodriguez RM, Fahimi J, Hall MK, Shiboski S, Chi T, Smith-Bindman R. Derivation of decision rules to predict clinically important outcomes in acute flank pain patients. American Journal of Emergency Medicine. 2016 Dec 11; doi: 10.1016/j.ajem.2016.12.009.

► Gellert GA, Webster SL, Gillean JA, Melnick ER, Kanzaria HK. Should US doctors embrace electronic health records? BMJ. 2017; 356:j242.

► Wang RC, Smith-Bindman R, Whitaker E, Neilson J, Allen IE, Stoller ML, Fahimi J. Effect of tamsulosin on stone passage for ureteral stones: a systematic review and meta-analysis. Annals of Emergency Medicine. 2016 Sep 7.

► Wang RC. Managing urolithiasis. Annals of Emergency Medicine. 2016 Apr; 67(4):449-54.

► Mantuani D, Frazee BW, Fahimi J, Nagdev A. Point-of-Care Multi-Organ Ultrasound Improves Diagnostic Accuracy in Adults Presenting to the Emergency Department with Acute Dyspnea.West J Emerg Med. 2016 Jan;17(1):46-53. doi: 10.5811/westjem.2015.11.28525.

► Wang RC, Bent S, Weber E, Neilson J, Smith-Bindman R, Fahimi J. The Impact of Clinical Decision Rules on Computed Tomography Use and Yield for Pulmonary Embolism: A Systematic Review and Meta-analysis. Ann Emerg Med. 2015 Dec 31. pii: S0196-0644(15)01475-4.

► Tong GE, Staudenmayer K, Hsia RY. Use of emergency department imaging in patients with minor trauma. J Surg Res. 2015 Dec 1. pii: S0022-4804(15)01144-0.

► Rodriguez RM Friedman B, Langdorf MI, Baumann BM, Nishijima DK, Hendey GW, Medak AJ, Raja AS, Mower WR. Pulmonary contusion in the pan-scan era. Injury. 2015 Nov 30. pii: S0020-1383(15)00766-4.

► Rodriguez RM, Langdorf MI, Nishijima D, Baumann BM, Hendey GW, Medak AJ, Raja AS, Allen IE, Mower WR. Derivation and validation of two decision instruments for selective chest ct in blunt trauma: a multicenter prospective observational study (NEXUS Chest CT). PLoS Med: 2015 Oct 6; 12(10):e1001883.

► Kanzaria HK, McCabe AM, Meisel ZM, LeBlanc A, Schaffer JT, Bellolio MF, Vaughan W, Merck LH, Applegate KE, Hollander JE, Grudzen CR, Mills AM, Carpenter CR, Hess EP. Advancing patient-centered outcomes in emergency diagnostic imaging: a research agenda. Academic Emergency Medicine. 2015 Nov 17.

► Wang RC, Rodriguez RM , Moghadassi M, Noble V, Bailitz J, Mallin M, et al. External Validation of the STONE Score, a Clinical Prediction Rule for Ureteral Stone: An Observational Multi-institutional Study. Ann Emerg Med. 2015 Oct.

► Shen Y-C, Hsia RY. Ambulance diversion associated with reduced access to cardiac technology and increased one-year mortality. Health Aff (Millwood). United States; 2015 Aug;34(8):1273–80.

► Langdorf MI, Medak AJ, Hendey GW, Nishijima DK, Mower WR, Raja AS, Baumann BM, Anglin DR, Anderson CL, Lotfipour S, Reed KE, Zuabi N, Khan NA, Bithell CA, Rowther AA, Villar J, Rodriguez RM. Prevalence and Clinical Import of Thoracic Injury Identified by Chest Computed Tomography but Not Chest Radiography in Blunt Trauma: Multicenter Prospective Cohort Study. Ann Emerg Med. July 2015.

► Itakura KS, Pillsbury MM, Rodriguez RM. Interruptions of Trauma Resuscitations for Radiographic Procedures. J Emerg Med. 2015;49(2):231-235.

► Al-Shorbaji N, Haux R, Krishnamurthy R, Marschollek M, Mattfeld DC, Bartolomeos K, Reynolds TA. Road Traffic Related Injury Research and Informatics. New Opportunities for Biomedical and Health Informatics as a Contribution to the United Nations’ Sustainable Development Goals? . Methods Inf Med. Germany; 2015 Oct;54(5):474–6.

► Kanzaria HK, Brook RH, Probst MA, Harris D, Berry SH, Hoffman JR. Emergency physician perceptions of shared decision-making. Acad Emerg Med Off J Soc Acad Emerg Med. 2015;22(4):399-405. doi:10.1111/acem.12627.

► Raven MC. Patient-Centered Medical Homes May Reduce Emergency Department Use: What Does This Tell Us? Ann Emerg Med. 2015 Mar 12.

► Kanzaria HK, Hoffman JR, Probst MA, Caloyeras J, Berry SH, Brook RH. Emergency Physician Perceptions of Unnecessary Advanced Diagnostic Imaging. Academic Emergency Medicine. 2015 Mar 23. doi: 10.1111/acem.12625.

► Kanzaria HK, Mattke S, Detz AA, Brook RH. Quality Measures Based on Presenting Signs and Symptoms of Patients. JAMA. 2015 Feb; 313(5).

► Vashi A, Cafardi S, Ross J, Shrank W. Observation stays and subsequent nursing facility stays. American Journal of Managed Care. 2015;21(4):e276-e281.

► Smith-Bindman R, Aubin C, Bailitz J, Bengiamin RN, Camargo CA, Corbo J, Dean AJ, Goldstein RB, Griffey RT, Jay GD, Kang TL, Kriesel DR, Ma OJ, Mallin M, Manson W, Melnikow J, Miglioretti DL, Miller SK, Mills LD, Miner JR, Moghadassi M, Noble VE, Press GM, Stoller ML, Valencia VE, Wang J, Wang RC, Cummings SR. Ultrasonography versus computed tomography for suspected nephrolithiasis. N Engl J Med. 2014 Sep 18; 371(12):1100-10.

► Lee LK, Rogers AJ, Ehrlich PF, Kwok M, Sokolove PE, Blumberg S, Kooistra J, Olsen C, Wooton-Gorges S, Cooper A, Kuppermann N, Holmes JF, Pediatric Emergency Care Applied Research Network (PECARN). Occult pneumothoraces in children with blunt torso trauma. Academic Emergency Medicine. 2014; 21(4):440-48.

► Doran K, Curry L, Vashi A, Platis S, Rowe M, Gang M, Vaca F. “Rewarding and Challenging at the Same Time": Emergency Medicine Residents' Experiences Caring for Patients who are Homeless. Academic Emergency Medicine. 2014; 21(6): 615-715.

► Rodriguez RM, Henderson TM, Ritchie AM, Langdorf MI, Raja AS, Silverman E, Schlang J, Sloane B, Ronan CE, Anderson CL, Baumann BM. Patient preferences and acceptable risk for computed tomography in trauma. Injury. 2014;45:1345-49.

► Langdorf MI, Zuabi N, Khan NA, Bithell C, Rowther AA, Reed K, Anderson CL, Lotfipour S, Rodriguez RM. Yield and Clinical Predictors of Thoracic Spine Injury from Chest Computed Tomography for Blunt Trauma. West Jour Emerg Med 2014;15:465-470.

► Holmes JF, Lillis K, Monroe D, Borgialli D, Kerrey BT, Mahajan P, Adelgais K, Ellison AM, Yen K, Atabaki S, Menaker J, Bonsu B, Quayle KS, Garcia M, Rogers A, Blumberg S, Lee L, Tunik M, Kooistra J, Kwok M, Cook LJ, Dean JM, Sokolove PE, Wisner DH, Ehrlich P, Cooper A, Dyan PS, Wooton-Gorges S, Kuppermann N, for the Pediatric Emergency Care Applied Research Network (PECARN). Identifying children at very low risk of clinically-important blunt abdominal injuries. Annals of Emergency Medicine. 2013; 62(2):107-16.

► Rodriguez RM, Anglin D, Langdorf MI, Baumann BM, Hendey GW, Bradley RN, et al. NEXUS chest: validation of a decision instrument for selective chest imaging in blunt trauma. JAMA Surg. 2013;148(10):940–6.

► Smith AK, McCarthy E, Weber E, Cenzer IS, Boscardin J, Fisher J, Covinsky K. Half of older Americans seen in emergency department in last month of life; most admitted to hospital, and many die there. Health Aff (Millwood). 2012 Jun; 31(6):1277-85.

► Durant E, Fahimi J. Factors associated with ambulance use among patients with low-acuity conditions. Prehosp Emerg Care. 2012 Jul-Sep; 16(3):329-37.

► Rodriguez RM, Hendey GW, Mower W, Kea B, Fortman J, Merchant G, et al. Derivation of a decision instrument for selective chest radiography in blunt trauma. J Trauma. United States; 2011 Sep;71(3):549–53.

► Fee C, Weber EJ, Bacchetti P, Maak CA. Effect of emergency department crowding on pneumonia admission care components. Am J Manag Care. 2011 Apr; 17(4):269-78.

► Richards JR, Ozery G, Notash M, Sokolove PE, Derlet RW, Panacek EA. Patients prefer boarding in inpatient hallways: correlation with the national emergency department overcrowding score. Emergency Medicine International. 2011. Epub Dec 26.


 

PEDIATRIC EMERGENCY MEDICINE

 

► Kornblith AE, Fahimi J, Kanzaria H, Wang RC. Predictors for under-prescribing antibiotics in children with respiratory infections requiring antibiotics. Am J Emerg Med. 2017;doi: 10.1016/j.ajem.2017.07.081. Epub ahead of print.

► Nath JB, Costigan S, Lin F, Vittinghoff E, Hsia RY. Federally qualified health center access and emergency department use among children. Pediatrics. 2016; 138(4):e20160479.

►  Sawe HR, Mfinanga JA, Ringo FH, Mwafongo V, Reynolds TA, Runyon MS. HIV counselling and testing practices for children seen in an urban emergency department of a tertiary referral hospital in Dar es Salaam, Tanzania: a retrospective cross-sectional study. BMJ Open. 2016 Feb 15;6(2):e010298. doi: 10.1136/bmjopen-2015-010298.

►Lee LK, Rogers AJ, Ehrlich PF, Kwok M, Sokolove PE, Blumberg S, Kooistra J, Olsen C, Wooton-Gorges S, Cooper A, Kuppermann N, Holmes JF, Pediatric Emergency Care Applied Research Network (PECARN). Occult pneumothoraces in children with blunt torso trauma. Academic Emergency Medicine. 2014; 21(4):440-48.

►Borgialli DA, Ellison AM, Ehrlich P, Bonsu B, Menaker J, Wisner DH, Atabaki S, Olsen CS, Sokolove PE, Lillis K, Kuppermann N, Holmes JF for the Pediatric Emergency Care Applied Research Network (PECARN). Association between the seat belt sign and intra-abdominal injuries in children with blunt torso trauma in motor vehicle collisions. Academic Emergency Medicine. 2014; 21(11):1240-48.

Hsia RY, Brownell J, Baker LC. Emergency Department Visits by Children, Adolescents, and Young Adults in California by Insurance Status, 2005-2010. JAMA. 2014;312(15):1587-1588.

►Holmes JF, Lillis K, Monroe D, Borgialli D, Kerrey BT, Mahajan P, Adelgais K, Ellison AM, Yen K, Atabaki S, Menaker J, Bonsu B, Quayle KS, Garcia M, Rogers A, Blumberg S, Lee L, Tunik M, Kooistra J, Kwok M, Cook LJ, Dean JM, Sokolove PE, Wisner DH, Ehrlich P, Cooper A, Dyan PS, Wooton-Gorges S, Kuppermann N, for the Pediatric Emergency Care Applied Research Network (PECARN). Identifying children at very low risk of clinically-important blunt abdominal injuries. Annals of Emergency Medicine. 2013; 62(2):107-16.

►Kerrey BT, Rogers A, Lee L, Adelgais K, Tunik M, Blumberg S, Quayle K, Sokolove PE, MD, Wisner D, Miskin M, Kuppermann N, and Holmes JF for the Pediatric Emergency Care Applied Research Network (PECARN). Multicenter study of the risk of intra-abdominal injury after blunt torso trauma among children with normal computed tomography scans in the emergency department. Annals of Emergency Medicine. 2013; 62(4):319-26.

►Yen K, Kuppermann N, Lillis K, Monroe D, Borgialli D, Kerrey B, Sokolove PE, Ellison A, Cook L, Holmes JF, and the Intra-abdominal Injury Study Group for the Pediatric Emergency Care Applied Research Network (PECARN). Inter-observer agreement in the clinical assessment of children with blunt trauma. Academic Emergency Medicine. 2013; 20(5):426-32.

Fahimi J, Herring A, Harries A, Gonzales R, Alter H. Computed tomography use among children presenting to emergency departments with abdominal pain. Pediatrics. 2012 Nov; 130(5):e1069-75.

 


 

QUALITY METRICS

 

► Davies S, Schultz E, Raven M, Wang NE, Stocks CL, Delgado MK, McDonald KM. . Development and validation of the Agency for Healthcare Research and Quality measures of potentially preventable emergency department (ED) visits: the ED prevention quality indicators for general health conditions. Health Services Research. 2017;doi: 10.1111/1475-6773.12687.

► Schoenfeld AJ, Davies JM, Marafino BJ, Dean M, DeJong C, Bardach NS, Kazi DS, Boscardin WJ, Lin GA, Duseja R, Mei YJ, Mehrotra A, Dudley RA. Variation in quality of urgent health care provided during commercial virtual visits. JAMA Internal Medicine. 2016 Apr 4; 176(5):635-642.

► Caloyeras J, Kanter M, Ives N, Kim CY, Kanzaria HK, Berry SH, Brook RH. Physician professional satisfaction and area of clinical practice: evidence from an integrated health care delivery system. The Permanente Journal. 2016 Spring; 20(2):35-41. .

► Sabbatini AK, Kocher KE, Basu A, Hsia RY. In-Hospital Outcomes and Costs Among Patients Hospitalized During a Return Visit to the Emergency Department. JAMA. 2016 Feb 16;315(7):663-71. doi: 10.1001/jama.2016.0649.

► Kanzaria HK, Hall MK, Moore CL, Burstin H. Emergency department diagnostic imaging: the journey to quality. Academic Emergency Medicine. 2015 Nov 17. doi: 10.1111/acem.12817.

► Kanzaria HK, Mattke S, Detz AA, Brook RH. Quality Measures Based on Presenting Signs and Symptoms of Patients. JAMA. 2015 Feb; 313(5).

► Carrier E, Khaldun J, Hsia RY. The association between emergency department length of stay and rates of admission to inpatient and observation services. JAMA Intern Med. 2014. doi:10.1001/jamainternmed.2014.3467.

► Le S, Hsia RY. The Timeliness of Care in U.S. Emergency Departments. JAMA Intern Med. 2014, Published online September 15, 2014. doi:10.1001/jamainternmed.2014.3431.

► Fox J, Vashi A, Ross J, Gross, C. Hospital-based, acute care following ambulatory surgery center discharge. Surgery. 2014; 155(5): 743-753.

Vashi A, Fox J, Carr B, D’Onofrio G, Pines J, Ross J, Gross C. Use of Hospital based, acute care among patients recently discharged from the hospital. JAMA. 2013; 309(4): 364-371.

►Fee C, Johnson N, Torres H, Weber EJ. Pneumonia quality measures not associated with antibiotics for congestive heart failure patients. J Emerg Med. 2013 Mar; 44(3):577-84.

Weber EJ, Mason S, Freeman JV, Coster J. Implications of England's four-hour target for quality of care and resource use in the emergency department. Ann Emerg Med. 2012 Dec; 60(6):699-706.

►Mason S, Weber EJ, Coster J, Freeman J, Locker T. Time patients spend in the emergency department: England's 4-hour rule-a case of hitting the target but missing the point? Ann Emerg Med. 2012 May; 59(5):341-9.

 


 

REDUCING EMERGENCY DEPARTMENT UTILIZATION & HOSPITAL ADMISSIONS

 

►  Tangherlini N, Villar J, Brown J, Rodriguez RM, Yeh C, Friedman BT, Wada P. The HOME team: evaluating the effect of an EMS-based outreach team to decrease the frequency of 911 use among high utilizers of EMS. Prehospital and Disaster Medicine. 2016; 31(6):1-5.

►  Raven MC, Kushel M, Ko MJ, Penko J, Bindman AB. The Effectiveness of Emergency Department Visit Reduction Programs: A Systematic Review. Ann Emerg Med. 2016 Jun 7. pii: S0196-0644(16)30083-X.

►  Fingar KR, Smith MW, Davies S, McDonald KM, Stocks C, Raven MC. Medicaid dental coverage alone may not lower rates of dental emergency department visits.. Health Aff (Millwood). United States; 2015 Aug;34(8):1349–57.

Raven MC. Patient-Centered Medical Homes May Reduce Emergency Department Use: What Does This Tell Us? Ann Emerg Med. 2015 Mar 12.

►Mason S, Mountain G, Turner J, Arain M, Revue E, Weber EJ. Innovations to reduce demand and crowding in emergency care; a review study. Scand J Trauma Resusc Emerg Med. 2014; 22(1):55.

Hsia RY, Baker LC. The Association Between Community-level Insurance Coverage and Emergency Department Use. Med Care. 2014;52(6):535-40.

►Foley M, Legome E, Raven M. Reducing emergency department utilization: is this the answer? Acad Emerg Med. 2013 Oct; 20(10):1062-3

Raven MC, Lowe RA, Maselli J, Hsia RY. Comparison of presenting complaint vs discharge diagnosis for identifying " nonemergency" emergency department visits. JAMA. 2013 Mar 20; 309(11):1145-53.

Raven MC, Kotchko SM, Gould DA. Can targeted messaging encourage PCP contact before ED visits? Am J Manag Care. 2013 Jan; 19(1):41-5.

►Smith AK, McCarthy E, Weber E, Cenzer IS, Boscardin J, Fisher J, Covinsky K. Half of older Americans seen in emergency department in last month of life; most admitted to hospital, and many die there. Health Aff (Millwood). 2012 Jun; 31(6):1277-85.

Raven MC, Doran KM, Kostrowski S, Gillespie CC, Elbel BD. An intervention to improve care and reduce costs for high-risk patients with frequent hospital admissions: a pilot study. BMC Health Serv Res. 2011; 11:270.

 


 

TRIAGE

 

► Staudenmayer K, Wang E, Weiser T, Maggio P, Mackersie R, Spain D, Hsia RY.The triage of injured patients: mechanism of injury, regardless of injury severity, determines hospital destination. The American Surgeon. 2016; 82(4):356-361.

► Newgard CD, Yang Z, Nishijima D, McConnell KJ, Trent S, Holmes JF, Daya M, Mann NC, Hsia RY, Rea T, Wang NE, Staudenmayer K, Delgado MK. Cost effectiveness of field trauma triage among injured adults served by emergency medical services. Journal of the American College of Surgeons. 2016 Jun;222(6):1125-37.

► Hsia RY, Friedman AB, Niedzwiecki M. Urgent care needs among nonurgent visits to the emergency department. JAMA Internal Medicine. 2016.

► Newgard CD, Holmes JF, Haukoos JS, Bulger EM, Staudenmayer K, Wittwer L, Stecker E, Dai M, Hsia RY. Improving early identification of the high-risk elderly trauma patient by emergency medical services. Injury. 2015.

► Staudenmayer K, Lin F, Mackersie R, Spain D, Hsia R. Variability in California Triage from 2005 to 2009: A Population-Based Longitudinal Study of Severely Injured Patients. J Trauma Acute Care Surg. 2014;76(4):1041-1047.

Weber EJ, McAlpine I, Grimes B. Mandatory triage does not identify high-acuity patients within recommended time frames. Ann Emerg Med. 2011 Aug; 58(2):137-42

 


 

VULNERABLE POPULATIONS & OUTCOME DISPARITIES

 

►  Raven MC. Diagnostic Overshadowing Dangers. Agency for Healthcare Research and Quality, Patient Safety Network, WebM&M Cases & Commentaries, Published online June 2017.

►  Losonczy LI, Hsieh D, Wang M, Hahn C, Trivedi T, Rodriguez M, Fahimi J, Alter H. The Highland Health Advocates: a preliminary evaluation of a novel programme addressing the social needs of emergency department patients. Emergency Medicine Journal. 2017; 34(9):599-605.

►  Hsia RY, Sarkar N, Shen YC. Impact Of Ambulance Diversion: Black Patients With Acute Myocardial Infarction Had Higher Mortality Than Whites. Health Affairs (Millwood). 2017. 36(6):1070-1077.

►  Zhu JM, Singhal A, Hsia RY. Emergency department length-of-stay for psychiatric visits was significantly longer than for nonpsychiatric visits, 2002-11. Health Affairs (Millwood). 2016. 35(9):1698-1706.

►  Tangherlini N, Villar J, Brown J, Rodriguez RM, Yeh C, Friedman BT, Wada P. The HOME team: evaluating the effect of an EMS-based outreach team to decrease the frequency of 911 use among high utilizers of EMS. Prehospital and Disaster Medicine. 2016; 31(6):1-5.

► Raven MC, Tieu L, Lee CT, Ponath C, Guzman D, Kushel M. Emergency department use in a cohort of older homeless adults: results from the HOPE HOME study. Academic Emergency Medicine. 2016 Aug 13.

► Kanzaria HK, Hoffman JR. Hot-spotters aren't "the problem" ... but they are emblematic of the failure of U.S. healthcare. Journal of General Internal Medicine. 2016 Sep 6. PMID: 27599488.

► Singhal A, Tien Y, Hsia RY. Racial-Ethnic Disparities in Opioid Prescriptions at Emergency Department Visits for Conditions Commonly Associated with Prescription Drug Abuse. PLoS One. 2016;11(8): e0159224.

► Hsia RY, Dai M, Wei R, Sabbagh S, Mann NC. Geographic Discordance Between Patient Residence and Incident Location in Emergency Medical Services Responses. Annals of Emergency Medicine. 2016; PMID 27497673.

► Staudenmayer K, Weiser TG, Maggio P, Spain D, Hsia RY. Trauma center care is associated with reduced readmissions after injury. Journal of Trauma and Acute Care Surgery. 2016; 80(3):412-418.

►  Shen YC, Hsia RY. Do patients hospitalised in high-minority hospitals experience more diversion and poorer outcomes? A retrospective multivariate analysis of Medicare patients in California. BMJ Open. 2016.

► Niedzwiecki M, Baicker K, Wilson M, Cutler DM, Obermeyer Z. Short-term outcomes for Medicare beneficiaries after low-acuity visits to emergency departments and clinics. Medical Care. 2016

►  Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. The Relationship of Financial Pressures and Community Characteristics to Closure of Private Safety Net Clinics. Med Care Res Rev. 2015 Dec 28.

► Newgard CD, Holmes JF, Haukoos JS, Bulger EM, Staudenmayer K, Wittwer L, Stecker E, Dai M, Hsia RY. Improving early identification of the high-risk elderly trauma patient by emergency medical services. Injury. 2015.

►  Li S, Dor A, Pines JM, Zocchi MS, Hsia RY. Private safety-net clinics: effects of financial pressures and community characteristics on closures. Working Paper (No. 21648), National Bureau of Economic Research. October 9, 2015.

►  Fahimi J, Larimer E, Hamud-Ahmed W, Anderson E, Schnorr CD, Yen I, Alter HJ. Long-term mortality of patients surviving firearm violence. Injury Prevention, 2015 Oct 27.

►  Iyer S, Jones A, Talamantes E, Barnert ES, Kanzaria HK, Detz A, et al. Improving Health Care for the Future Uninsured in Los Angeles County: A Community-Partnered Dialogue. Ethinicity Dis. 2015;25(4):487–94.

►  Shen Y-C, Hsia RY. Ambulance diversion associated with reduced access to cardiac technology and increased one-year mortality. Health Aff (Millwood). United States; 2015 Aug;34(8):1273–80.

►  Fingar KR, Smith MW, Davies S, McDonald KM, Stocks C, Raven MC. Medicaid dental coverage alone may not lower rates of dental emergency department visits.. Health Aff (Millwood). United States; 2015 Aug;34(8):1349–57.

► Fryling LR, Mazanec P, Rodriguez RM. Persons Acquiring Health Insurance Through the Affordable Care Act. J Emerg Med. August 2015. doi:10.1016/j.jemermed.2015.06.005.

► Yazdany J, Marafino BJ, Dean ML, Bardach NS, Duseja R, et al. Thirty-day hospital readmissions in systemic lupus erythematosus: predictors and hospital- and state-level variation. Arthritis Rheumatol (Hoboken, NJ). United States; 2014 Oct;66(10):2828–36.

► Doran KM, Colucci AC, Wall SP, Williams ND, Hessler RA, Goldfrank LR, Raven MC. Reasons for emergency department use: do frequent users differ? Am J Manag Care. 2014; 20(11):e506-14.

► Liu C, Srebotnjak T, Hsia RY. Emergency Department Closures Are Associated With Increased Inpatient Mortality At Nearby Hospitals. Health Aff (Millwood). 2014;33(8):1323-1329.

►Doran K, Curry L, Vashi A, Platis S, Rowe M, Gang M, Vaca F. “Rewarding and Challenging at the Same Time": Emergency Medicine Residents' Experiences Caring for Patients who are Homeless. Academic Emergency Medicine. 2014; 21(6): 615-715.

►Doran K, Vashi A, Curry L, Platis S, Rowe M, Gang M, Vaca F . Navigating the Boundaries of Emergency Department Care: Addressing the Medical and Social Needs of Patients Who Are Homeless. AJPH. 2013. 103 (S2), 355-360.

►Billings J, Raven MC. Dispelling an urban legend: frequent emergency department users have substantial burden of disease. Health Aff (Millwood). 2013 Dec; 32(12):2099-108.

Hsia RY, Srebotnjak T, Kanzaria HK, McCulloch C, Auerbach AD. System-level health disparities in California emergency departments: minorities and Medicaid patients are at higher risk of losing their emergency departments. Annals of emergency medicine. 2013; 59(5), 358-65.

►Doran KM, Raven MC, Rosenheck RA. What drives frequent emergency department use in an integrated health system? National data from the Veterans Health Administration. Ann Emerg Med. 2013 Aug; 62(2):151-9.

Raven, MC and Gould, DA. . Time and Again: Frequent Users of Emergency Department Services in New York City. Issue Brief: United Hospital Fund. 2012.

Weber EJ. Defining frequent use: the numbers no longer count. Ann Emerg Med. 2012 Jul; 60(1):33-4

► Durant E, Fahimi J. Factors associated with ambulance use among patients with low-acuity conditions. Prehosp Emerg Care. 2012 Jul-Sep; 16(3):329-37.

Raven MC, Doran KM, Kostrowski S, Gillespie CC, Elbel BD. An intervention to improve care and reduce costs for high-risk patients with frequent hospital admissions: a pilot study. BMC Health Serv Res. 2011; 11:270.

►Pines JM, Asplin BR, Kaji AH, Lowe RA, Magid DJ, Raven M, Weber EJ, Yealy DM. Frequent users of emergency department services: gaps in knowledge and a proposed research agenda. Acad Emerg Med. 2011 Jun; 18(6):e64-9.

►Carrier E, McNeely J, Lobach I, Tay S, Gourevitch MN, Raven MC. Factors associated with frequent utilization of crisis substance use detoxification services. J Addict Dis. 2011 Apr; 30(2):116-22.

Raven MC, Carrier ER, Lee J, Billings JC, Marr M, Gourevitch MN. Substance use treatment barriers for patients with frequent hospital admissions. J Subst Abuse Treat. 2010 Jan; 38(1):22-30.