Faculty Research

Department of Emergency Medicine
Current Research

Index

Arjun Chanmugam, MD, MPH
Yu-Hsiang Hsieh, PhD, MSc
Edbert Hsu, MD, MPH
J Lee Jenkins, MD, MSc
Gabor Kelen, MD
Thomas Kirsch, MD, MPH
Frederick Levy, MD, JD
Melissa McCarthy, ScD, MS
Michael Millin, MD, MPH
Julius Pham, MD
Richard Rothman, MD, PhD
James Scheulen, MBA, PA-C
Judy Shahan, RN, MBA
Nelson Tang, MD
Alexander Vu, DO, MPH
Sam Yang, MD

Arjun Chanmugam, MD, MPH: Associate Professor of Emergency Medicine

Research Interests

1. Emergency Medical Systems
2. Clinical Management

Recent Publications

1. Chanmugam A, Triplett P, Kelen G, (Eds)  Emergency Psychiatry, Cambridge University Press (in press).
2. Pham J, Patel R, Millin M, Kirsch T, Chanmugam A. The effects of Ambulance Diversion: A Comprehensive Review  Acad Emerg Med 13(11): 1220-1227, 2006.

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Yu-Hsiang Hsieh, PhD, MSc: Assistant Professor of Emergency Medicine

Research Interests

1. Infectious Diseases Epidemiology (Trends, Risk Factors, Prevention, and Outcomes) in ED Settings
2. Analytical Methodology

Recent Publications

1. Rothman RE, Hsieh Y-H, Yang S. Communicable respiratory threats (TB, Influenza, SARS and other aerosolized infections) in the ED. Emergency Medicine Clinics of North America 2006 24: 989-1017.
2. Hsieh Y-H and Rothman RE. Analytical Shortfalls in Multivariate Regression Analysis. Chest 2007 131: 1613-4.
3. Greenough PG, Lappi MD, Hsu EB, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch TD.  Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample.  Ann Emerg Med 2007 Jun 19; [Epub ahead of print].
4. Stanton VA, Hsieh Y-H, Camargo Jr. CA, Edlow JA, Lovett P, Goldstein JN, Abbuhl S, Lin M, Chanmugam A, Rothman RE, Newman-Toker DE. Diagnosing Dizziness in the Emergency Department – Physicians May Rely Too Heavily on Symptom Quality. Results of a Multicenter, Quantitative Survey. Mayo Clinic Proceedings 2007 (in press).

Recent Grants

1. Co-Principal Investigator: “Emergency Department Strategy for HIV/STI Counseling and Testing” Johns Hopkins Center for AIDS Research (p30AI42855-05): $50,000.
2. Co-Investigator: “Routine Rapid HIV Testing in the ED.” CDC/MD DHMH: $300,000.
3. Co-Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response".  USDHS (N00014-0610991): $15,000,000.

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Edbert Hsu, MD, MPH:  Assistant Professor of Emergency Medicine

Research Interests

1. Disaster Preparedness
2. Disaster Education

Recent Publications

1. Hsu EB, Thomas TL, Bass EB, Whyne D, Kelen GD, Green GB. "Healthcare Worker Competencies for Disaster Training" BMC Medical Education. 2006 6(19).
2. Hsu EB, Casani JA, Romanosky A, Millin MG, Singleton CM, Donohue J, Feroli ER, Rubin M, Subbarao I, Whyne DM, Snodgrass TD, Kelen GD.  "Are Regional Hospital Pharmacies Prepared for Public Health Emergencies?" Biosecurity and Bioterrorism. 2006;4(3):237-43.

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J Lee Jenkins, MD, MSc: Assistant Professor of Emergency Medicine

Research Interests

1. Hospital disaster preparedness metrics
2. Surveillance during disasters
3. Mass casualty triage

Recent Publications

1. Jenkins JL, O’Connor RE, Cone DC.  Differentiating large-scale surge versus daily surge. Academic Emergency Medicine. 2006. 13(11): 1169-72.
2.  Jenkins JL, Fredericksen K, Stone R, Tang N.  Strategies to improve sleep during extended search and rescue operations. Prehospital Emergency Care. 2007. 11(2): 230-3.
3. Jenkins JL, McCarthy M, Thomas T, Green G, Sauer L, Hsu EB. Mass Casualty Injury Triage: Evidence for Change. Prehospital and Disaster Medicine.2008. 23(1).

Recent Grants

1. Co- Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response".  USDHS (N00014-06-1-0991): $15,000,000.
2. Principal Investigator: “Hospital Preparedness Metrics: NIH Loan Repayment Grant.” NIH: $70,000.

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Gabor Kelen, MD: Professor of Emergency Medicine

Research Interests

1. HIV Epidemiology, testing, risk to health care providers
2. Health Care Services
3. Disaster Response

Recent Publications

1. Kelen GD.  Emergency Department Crowding as an Ethical Issue (Editorial).  Acad Emerg Med 14(8):751-754, 2007.
2. Kelen GD, Kraus CK, McCarthy ML, Bass E, Hsu EB, Li G, Scheulen JJ, Shahan JB, Brill JD, Green GB.  Reverse triage: Inpatients disposition classification for the creation of hospital search capacity.  Lancet 368:1984-90, 2006.
3. Kelen GD, McCarthy ML.  The Science of Surge.  Acad Emerg Med 13(11):1089-94, 2006.

Recent Grants

Principal Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response".  USDHS (N00014-06-1-0991): $15,000,000.

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Thomas Kirsch, MD, MPH: Assistant Professor of Emergency Medicine

Research Interests

1. Disaster Preparedness
2. International Emergency Medicine

Recent Publications

1. Greenough PG, Lappi MD, Hsu EB, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch TD.  Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample.  Ann Emerg Med (in press).
2. Millin M, Jenkins L, Kirsch TD:  A Comparative Analysis of Two External Healthcare Disaster Responses following Hurricane Katrina.  Prehospital Emergency Care 2006;10:451–456.
3. Handler JA, Gillam M, Kirsch TD, Feied CF.  Metrics in the Science of Surge.  Acad Emerg Med 2006, 13(11): 1173-1178.

Recent Grants

Principal Investigator: ‘Surge Capacity Networks ($1,005,780), PACER, DHS (USDHS (N00014-06-0991).

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Frederick Levy, MD, JD: Assistant Professor of Emergency Medicine

Research Interests

1. Medical-Legal Aspects of Patient Safety
2. Medical Malpractice/Tort Reform
3. Health Law and Public Policy

Recent Publications

1. Levy, F ; Lawler, J ; The Potential Impact of Genetic Sequencing on the American Health Insurance System; Vol 6[2], Journal of Health Care, Law and Policy, 2003.
2. Levy, F, Tort Reform: Evidence", Politics and Policy, Legal Medicine Perspectives, Vol. 12,[4], July, 2003.
3. Levy, F; Kelen G: Resuscitation Attempts in Asystolic Patients: The legal tail wagging the dog. The Journal of Emergency Medicine, 30:[2] Feb., 2006.

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Melissa McCarthy, ScD, MS: Associate Professor of Emergency Medicine

Research Interests

1. Injury Epidemiology and Outcomes
2. ED Crowding and Surge Capacity0
3. Access and Utilization of Health Services

Recent Publications               

1. McCarthy ML, Dikmen SS, Langlois JA, Selassie AW, Gu JK, Horner MD.  Self-Reported Psychosocial Health Among Adults With Traumatic Brain Injury.  Archives of Physical Medicine and Rehabilitation 87 (7): 953-961, 2006.
2. McCarthy ML, Aronsky D, Kelen GD.  The Measurement of Daily Surge and Its Relevance to Disaster Preparedness.  Academic Emergency Medicine 13(11) 1089-1094, 2006.

3. Ding R, Jung JJ, Kirsch TD, Levy F, McCarthy ML. Recidivism of Those Who Leave the Emergency Department Against Medical Advice. AEM 14(10): 870-876, 2007.

Recent Grants

1. Principal Investigator: "Measuring Children’s Health Post Traumatic Brain Injury".  CDC (R49/CCR319701-03-01): $895,615.
2. Co-Investigator: "National Center for the Study of Preparedness and Catastrophic Event Response".  USDHS (N00014-06-1-0991): $15,000,000.
3. Co-Investigator: "Discharge Criteria for Creation of Hospital Surge Capacity."  AHRQ (U01HS014353): $633,587.

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Michael Millin, MD, MPH: Assistant Professor of Emergency Medicine

Research Interests

1. Development of EMS Systems
2. Out-of-hospital resuscitation
3. Medical direction of wilderness medicine

Recent Publications

1. Millin MG, Hedges JR, Bass RR.  The Effect of Ambulance Diversions on the Development of Trauma Systems. Prehospital Emergency Care. 2006; 10 (3): 351-354.
2. Millin MG, Kim S, Schmidt T, Daya M, et al. Intermittent Bolus Dosing of Lidocaine in Emergency Medical Services – An Alternative to Bolus Followed by a Drip. Prehospital Emergency Care. 2006; 10 (3): 403-408.
3. Millin MG, Gullett T, Daya M. EMS Management of Stroke Patients – Out-of-Hospital Treatment to Stroke System Development. Prehospital Emergency Care. (In Press)

Recent Grants

Co-Investigator.  Longitudinal Emergency Medical Technician Attributes and Demographics Study (LEADS) committee.  National Registry of Emergency Medical Technicians.

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Julius Pham, MD: Assistant Professor Emergency Medicine and Anaesthesiology, Critical Care Medicine

Research Interests:

1. ED Patient Safety & Quality
2. ICU Patient Safety & Quality
3. Sepsis

Recent Publications

1. Pham JC, Patel R, Millin MG, Kirsch TD, Chanmugam A. The effects of ambulance diversion: a comprehensive review. Acad Emerg Med. 2006 Nov;13(11):1220-7.
2. Winters BD, Pham J, Pronovost PJ. Rapid response teams--walk, don't run. JAMA. 2006 Oct 4;296(13):1645-7.

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Richard Rothman, MD, PhD: Associate Professor of Emergency Medicine

Research Interests

1. Rapid Detection of Emerging Infections
2. Infectious Disease Surveillance
3. Clinical Decision Guidelines

Recent Publications

1. Rothman RE, Quianzon C, and Kelen GD.  Narrowing in on JCAHO Recommendations for Community Acquired Pneuomonia.  Acad Emerg Med. 2006 13(7):740-5.
2. Rothman RE, Irvin C, Hirshon JM, and Moran G. Respiratory Hygiene in the ED, Annals of Emergency Med 2006; 48(5):570-82.

Recent Grants

1. Co-Investigator: ‘Regional Center Grant for Excellence in Emerging Infectious Disease and Biothreats’.  NIAID (AI-02-031): $20,000,000.
2. Principal Investigator: ‘Routine Rapid HIV Testing in the ED.’ CDC/MD DHMH: $300,000.

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James Scheulen, MBA, PA: Senior Research Associate

Research Interests:

1. ED operations
2. Emergency Medical Services (EMS)
3. Critical Care Transportation Medicine
4. Preparedness and Response Capabilities

Recent Publications:

1. Pronovost, P., Davis, R., Cunningham, T., Paine, L., Scheulen, J. and Morlock, L.: USING ON-LINE AND OFF-LINE CHANGE MODELS TO IMPROVE ICU ACCESS AND REVENUES. Joint Commission Journal on Quality Improvement, 26 (1):5-17, Jan 2000.
2. Scheulen, J., Li G. and  Kelen G.: IMPACT OF AMBULANCE DIVERSION POLICIES IN URBAN, SUBURBAN AND RURAL AREAS OF CENTRAL MARYLAND, Acad Emerg Med, 8 (1):36-40, Jan 2001.
3. Kelen, G., Scheulen, J. and Hill, P.: EFFECT OF AN ED MANAGED ACUTE CARE UNIT ON ED OVERCROWDING AND EMS DIVERSION, Acad Emerg Med 8 (11):1095-1100, Nov 2001.
4. Kohri, K., Latimer, C., Catlett, C.L., Scheulen, J. and Kelen, G.: THE JOHNS HOPKINS OFFICE OF CRITICAL EVENT PREPAREDNESS AND RESPONSE, Johns Hopkins APL Technical Digest, Volume 24 (4): 321-326, 2003.
5. Hsu, E., Dey, C., Scheulen, J., Bledsoe, G. and VanRooyen, M.: DEVELOPMENT OF EMERGENCY MEDICINE ADMINISTRATION IN THE PEOPLE’S REPUBLIC OF CHINA, J Emergency Medicine, Volume 28, (2): 231-236, 2005.
6. McManus, J., Huebner, K. and Scheulen, J.:  THE SCIENCE OF SURGE: DETECTION AND SITUATIONAL AWARENESS, Acad Emerg Med, In press, Nov. 2006.
7. Kelen, G., Kraus C., McCarthy, M., Bass, E., Hsu, E., Li, G., Scheulen, J., et al.: REVERSE TRIAGE:  INPATIENT DISPOSITION CLASSIFICATION FOR THE CREATION OF HOSPIAL SURGE CAPACITY, Lancet 368:1984-90, 2006

Recent Grants

1. Principal Investigator:  Development of scenario based, critical event planning tool:  HRSA/DHMH Special Project Grant 2005
2. Principal Investigator:  Development of scaleable, scenario based, critical event planning tool (EMCAPS):  HRSA/DHMH Special Project Grant 2006

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Judy B. Shahan, RN, MBA: Research Associate

Research Interests:

1. HIV Epidemiology, testing, risk to health care providers
2. Research Ethics
3. Health Care Services

Recent Publications:

1. Kelen GD, Kraus CK, McCarthy ML, Bass E, Hsu EB, Li G, Scheulen JJ, Shahan JB, Brill JD, Green GB.  Reverse triage: Inpatients disposition classification for the creation of hospital search capacity.  Lancet 368:1984-90, 2006.
2. Shahan JB, Kelen GD.  Research ethics.  Emerg Med Clin North Am. 2006 Aug;24(3):657-69.

Recent Grants:

1. Co-Investigator: ‘Routine Rapid HIV Testing in the ED.’ CDC/MD DHMH: $300,000.

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Nelson Tang, MD: Assistant Professor of Emergency Medicine

Research Interests

1. EMS
2. Tactical Emergency Medicine
3. Mass Gathering Event Medical Support

Recent Publications

1. Davis JD and Tang N.  Efficacy of a federal law enforcement tactical medicine program following a catastrophic natural disaster: The DHS ICE SRT response to Hurricane Katrina.  Prehosp Emerg Care.  2006; 10(2): 173-179.
2. Jenkins JL, Fredericksen K, Stone R, Tang N.  Strategies to improve sleep during extended search and rescue operations.  Prehosp Emerg Care (in press).
3. Tang N.  VIP Protection and Care, in Tactical Emergency Medicine, Schwartz R, McManus J, Swienton R (eds.).  Philadelphia, Lippincott Williams & Wilkins, (in press).

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Alexander Vu, DO, MPH: Assistant Professor of Emergency Medicine

Research Interests

1. International Humanitarian Relief
2. International Health Development
3. International Emergency Medicine Development

Recent Publications

1. Vu A, Pant A.  Emergency Medical Health Care.  In: G Burnham, Sr. Ed. Public Health Guide for Emergencies, 2^nd Edition (in press).
2. Greenough PG, Lappi M, Hsu E, Fink S, Hsieh Y-H, Vu A, Heaton C, Kirsch T.  Burden of Disease and Health Status among Hurricane Katrina Displaced Persons in Shelters: A Population-based Cluster Sample.  Annals of Emergency Medicine (in press).

Recent Grants

Principal Investigator:  The MET Program: Mobilizing, Equipping and Training Youth for Healthy Behavior Change in Mozambique, Uganda, Kenya, and Ethiopia".  Samaritan’s Purse International Relief/ USAID (GPO-A-00-05-00012-00: $872,422 ).

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Sam Yang, MD: Assistant Professor of Emergency Medicine

Research Interests

Emerging molecular/nanotechnology based diagnostic platform for rapid detection of infectious disease

Recent Publications

1. Yang S, Lin S, Kelen GD, Quinn TC, Dick JD, Gaydos CA, Rothman RE.  Qunatitative Multiprobe PCR Assay for the Simultaneous Detection and Identification to Species Level of Bacterial Pathogens. J Clin Micro, 2002; 40:3449-3454.
2. Yang S, Rothman RE. PCR-Based Diagnostics for Infectious Diseases: Current Uses, Limitations and Future Applications in Acute Care Settings. Lancet Infect Dis 2004;4:337-48.
3. Yang S, Lin S, Khalil A et al. Evaluation of a quantitative PCR assay for rapid diagnosis of pneumococcal pneumonia. J Clin Microbiol, 2005;43:3221-3226.

Recent Grants

Principal Investigator: "MARCE Clinician Scientist Career Development Grant" NIAID, $220,000.

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