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Hsieh, Yu-Hsiang, Ph.D.

HsiehYu-Hsiang Hsieh, PhD, MSc.
  • Assistant Professor
    Department of Emergency Medicine


Johns Hopkins University, Epidemiology. (Ph.D., 1999)

Post-Doctoral Fellow

National Institute of Allergy and Infectious Diseases, National Institutes of Health. (2001)


Dr. Hsieh is an Assistant Professor in the Department of Emergency Medicine. He, training in infectious diseases epidemiology, has extensive experience in infectious diseases diagnostics, HIV/sexually transmitted infection screening, epidemiology, and biostatistical data analysis. For the past 14 years he has been a collaborator on many projects conducted by the Division of Infectious Diseases at JHU.
Since joining the department in 2005, Dr. Hsieh began building his research career, translating his skills in epidemiology and biostatistics to focused studies in acute aspects of HIV, sexually transmitted infections and other infectious diseases which are commonly presented to emergency or acute care settings, as well as studies in disaster medicine and preparedness. He is an author of 87 peer-review articles and over 120 conference abstracts.

He has served as invited reviewer for: Society for Epidemiologic Research Annual Meeting; International AIDS Conference; International AIDS Society Conference on HIV Pathogenesis, Treatment and Prevention; Physicians’ Information and Education Resource (PIER);  American College of Physicians-American Society of Internal Medicine;  International Trachoma Initiative (ITI); and 17 peer-reviewed journals including: Journal of Acquired Immune Deficiency Syndromes; American Journal of Epidemiology; PLoS One; Sexually Transmitted Infections; Medical Care; Current HIV Research;  International Journal of STD & AIDS;  Scandinavian Journal of Infectious Diseases; Disaster Medicine and Public Health Preparedness;  Journal of Public Health Management & Practice;  Diagnostic Microbiology and Infectious Disease;  Journal of Women’s Health;  International Journal of Women's Health;  Infectious Diseases in Obstetrics and Gynecology;  Journal of Postgraduate Medicine;  SAHARA Journal; and Ophthalmic Epidemiology.

Research Interests

1. Infectious diseases epidemiology (Trends, Risk Factors, Prevention, and Outcomes) in ED settings and ED management of patients with infectious diseases
2. Cost-effectiveness of ED-based HIV testing program using agent-based modeling approach.
3. Epidemiology of non-infectious diseases in ED or disaster settings
4. Adherence of ED management and practices to ACEP, CDC, or other guidance

Recent Publications

1. Rothman RE, Kelen GD, Harvey L, Shahan JB, Hairston H, Burah A, Moring-Parris D, Hsieh Y-H. Factors Associated with No or Delayed Linkage to Care in Newly Diagnosed HIV-1 Infected Patients Identified by Emergency Department (ED)-based Rapid HIV Screening Programs in Two Urban EDs. Academic Emergency Medicine 2012 19:497-503.
2. Dugas AF, Hsieh Y-H, Levin SR, Pines JM, Mareiniss DP, Mohareb A, Gaydos CA, Perl TM, Rothman RE. Google Flu Trends: Correlation with Emergency Department Influenza Rates and Crowding Metrics. Clinical Infectious Diseases 2012 54:463-9.
3. Hsieh Y-H, Jung JJ, Shahan JB, Pollack HA, Hairston HS, Moring-Parris D, Kelen GD, Rothman RE. Outcomes and Cost Analysis of Three Operational Models for Rapid HIV Testing Services in an Academic Inner-City Emergency Department. Annals of Emergency Medicine 2011 58 Suppl 1:S133-9.
4. Hsieh Y-H, Gaydos CA, Hogan MT, Jackman J, Jett-Goheen M, Uy OM, Rompalo AM. Perceptions on Point-of-Care Tests for Sexually Transmitted Infections – Comparison between Frontline Clinicians and Professionals in Industry. Point of Care 2012 11:126-129.
5. Soong, TR, Jung JJ, Kelen GD, Rothman RE, Burah A, Shahan JB, Hsieh Y-H. Is Inadequate HIV Care Associated with Increased ED and Hospital Utilization? A Prospective Study in HIV-Positive ED Patients. American Journal of Emergency Medicine 2012 Jan 11. [Epub ahead of print].
6. Bianchi W, Dugas AF, Hsieh Y-H, Saheed M, Hill P, Lindauer C, Terzis A, Rothman RE. Revitalizing a Vital Sign: Improving Detection of Tachypnea at Primary Triage. Annals of Emergency Medicine 2012 Jun 25. [Epub ahead of print].
7. Hsieh Y-H, Wilbur L, Rothman RE. HIV Testing in U.S. Emergency Departments: At the Crossroads. Academic Emergency Medicine 2012 Editorial (in press).

See Research Publications

Recent Grants

1. Co-Investigator: “Using Kiosks for HIV Point-of-Care Testing in the Emergency Department”. The Gilead Foundation.
2. Co-Investigator: “Center for Point-of-Care Technologies Research for Sexually Transmitted Diseases”. National Institute of Health.
3. Co-Investigator: “The National Center for Preparedness and Catastrophic Event Response (PACER) Clinical Utility of Preemptive Surge Measures Enacted as a Result of Conventional and Internet-Based Influenza Surveillance”. US Department of Homeland Security.

Scholarly Projects with Residents

1. Violence in the healthcare setting: hospital shootings
2. Preparedness for pandemic influenza in U.S. emergency departments - A survey of disaster experts.
3. Temporal trends in noncontrast head computed tomography findings in HIV-positive emergency department patients 1998-2009.
4. Prospective pilot validation of derived clinical decision rule for utilization of noncontrast head computed tomography for HIV-positive patients presenting to the emergency department with neurologic symptoms.
5. Emergency Response in Resource Poor Settings: A Review of a Newly Implemented Emergency Medical System (EMS) System in Rural Uganda.
6.  Hospice Enrollment in an Inner City Academic Hospital Emergency Department.


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