S. Reza Jafarzadeh, DVM, MPVM, PhD

Assistant Professor, Medicine

S. Reza Jafarzadeh
(617) 638-5884
650 Albany Street, Suite X200

Biography

I am interested in the application of causal inference methods in observational studies, especially in the setting of longitudinal data, where time-varying exposures, time-dependent confounding, and selection bias are often present. In particular, I am interested in the application of the variety of modern analytical techniques for estimating causal effects as well as the concepts such as direct and indirect effect decomposition (causal mediation analysis), causal interactions and sufficient causes, and causal interference and spill-over effects. These analytical techniques can be applied to broad areas of health sciences research, but I am particularly interested in the application of causal inference for comparative effectiveness research and implementation science. The methods are very useful for the development and assessment of strategies to improve population health using non-experimental data.

I am also interested in the application of Bayesian methods for evaluation of diagnostic tests and prevalence estimation in the absence of a perfect reference standard. These methods have broad applications in diagnosis and screening, and can be used to estimate true prevalence using imperfect tests.

Education

  • University of Tehran, DVM
  • University of California, Davis, MPVM
  • University of California, Davis, PhD

Publications

  • Published on 9/16/2017

    Durkin MJ, Hsueh K, Sallah YH, Feng Q, Jafarzadeh SR, Munshi KD, Lockhart PB, Thornhill MH, Henderson RR, Fraser VJ. An evaluation of dental antibiotic prescribing practices in the United States. J Am Dent Assoc. 2017 Sep 16. PMID: 28941554.

    Read at: PubMed
  • Published on 7/21/2017

    Jinno S, Lu N, Jafarzadeh SR, Dubreuil M. Trends of hospitalization for serious infections in patients with rheumatoid arthritis in the US between 1993 and 2013. Arthritis Care Res (Hoboken). 2017 Jul 21. PMID: 28732148.

    Read at: PubMed
  • Published on 6/14/2017

    Jafarzadeh SR, Felson DT. Corrected Estimates for the Prevalence of Self-Reported Doctor-Diagnosed Arthritis Among US Adults: Comment on the Article by Hootman et al. Arthritis Rheumatol. 2017 Aug; 69(8):1701-1702. PMID: 28482138.

    Read at: PubMed
  • Published on 2/21/2017

    Munigala S, McMullen KM, Russo AJ, Jafarzadeh SR, Hoppe-Bauer J, Burnham CD, Warren DK. Reinstatement of Reflex Testing of Stool Samples for Vancomycin-Resistant Enterococci (VRE) Resulted in Decreased Incidence of Hospital-Associated VRE. Infect Control Hosp Epidemiol. 2017 May; 38(5):619-621. PMID: 28219459.

    Read at: PubMed
  • Published on 12/5/2016

    Hsueh K, Reyes M, Krekel T, Casabar E, Ritchie DJ, Jafarzadeh SR, Hays AJ, Lane MA, Durkin MJ. Effective Antibiotic Conservation by Emergency Antimicrobial Stewardship During a Drug Shortage. Infect Control Hosp Epidemiol. 2017 Mar; 38(3):356-359. PMID: 27917734.

    Read at: PubMed
  • Published on 8/20/2016

    Jafarzadeh SR, Thomas BS, Gill J, Fraser VJ, Marschall J, Warren DK. Sepsis surveillance from administrative data in the absence of a perfect verification. Ann Epidemiol. 2016 Oct; 26(10):717-722.e1. PMID: 27600804.

    Read at: PubMed
  • Published on 5/18/2016

    Jafarzadeh SR, Thomas BS, Warren DK, Gill J, Fraser VJ. Longitudinal Study of the Effects of Bacteremia and Sepsis on 5-year Risk of Cardiovascular Events. Clin Infect Dis. 2016 Aug 15; 63(4):495-500. PMID: 27193746.

    Read at: PubMed
  • Published on 3/21/2016

    O'Neil C, Ball K, Wood H, McMullen K, Kremer P, Jafarzadeh SR, Fraser V, Warren D. A Central Line Care Maintenance Bundle for the Prevention of Central Line-Associated Bloodstream Infection in Non-Intensive Care Unit Settings. Infect Control Hosp Epidemiol. 2016 Jun; 37(6):692-8. PMID: 26999746.

    Read at: PubMed
  • Published on 11/24/2015

    Thomas BS, Jafarzadeh SR, Warren DK, McCormick S, Fraser VJ, Marschall J. Temporal trends in the systemic inflammatory response syndrome, sepsis, and medical coding of sepsis. BMC Anesthesiol. 2015; 15:169. PMID: 26597871.

    Read at: PubMed
  • Published on 10/28/2015

    Jafarzadeh SR, Thomas BS, Marschall J, Fraser VJ, Gill J, Warren DK. Quantifying the improvement in sepsis diagnosis, documentation, and coding: the marginal causal effect of year of hospitalization on sepsis diagnosis. Ann Epidemiol. 2016 Jan; 26(1):66-70. PMID: 26559330.

    Read at: PubMed

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