Lindsay A Petty
Department of Internal Medicine / Division of Infectious Diseases
1500 E Medical Center Dr,, 3119 Taubman Center
Ann Arbor, MI 48109
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Qualifications
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MDUniversity of Chicago Pritzer School of Medicine, 924 E. 57th Street #104, Chicago, IL, 60637, United States
2005 - 2009
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BSUniversity of Michigan, Ann Arbor, MI, United States
2001 - 2005
Research Overview
1. Outpatient Antimicrobial Stewardship: Assessing antibiotic utilization in the ambulatory clinics and ED for
SSTI, CAP, UTI, and URTI. Strategies to improve antibiotic use for common ID conditions in the ambulatory setting.
Have created a bundled approach to successfully improve CAP and SSTI duration in ambulatory clinics.
2. Assessment of outcomes for immunocompromised patients with CAP treated with broad spectrum vs targeted CAP therapy
Using Target Trial Emulation to answer hard to study questions, for example:
a. Assessment of outcomes for immunocompromised patients with CAP treated with broad spectrum vs targeted CAP therapy.
b. Assessment of UTI short versus long antibiotic durations for uncomplicated UTI in hospitalized patients.
Recent Publications
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Gupta AB, Walzl E, Ratz D, Horowitz JK, McLaughlin E, Pearlman T, Czilok T, Gandhi T, Petty LA, Malani AN, Paje D, Misra P, Kaatz S, Bernstein S, Younas M, Flanders SA, Vaughn VM. Clinical Infectious Diseases, 2026 Sep 15; 83 (3): 484 - 492.Journal ArticleOutcomes Associated With Empiric Azithromycin Use Among Patients Hospitalized With Nonsevere Community-Acquired Pneumonia: Emulation of a Target Trial
DOI:10.1093/cid/ciag222 PMID: 41931457 -
White AT, Bidwell Goetz M, Jones M, Neuhauser MM, Ciarkowski C, Ratz D, Gupta A, Petty LA, Gandhi TN, Zhang M, Kent B, Wu C, Horowitz JK, Flanders SA, Srinivasan A, Vaughn VM. Clinical Infectious Diseases an Official Publication of the Infectious Diseases Society of America, 2026 Sep 2; 83 (2): e251 - e259.Journal ArticleElectronic Clinical Quality Measures of Antibiotic Use in Hospitalized Adults With Uncomplicated Community-Acquired Pneumonia
DOI:10.1093/cid/ciag273 PMID: 42012353 -
Young J, Chen C-M, Lee J, Kileny S, Dillman N, Hawkins M, Petty L, Lloyd E. 2026 May 28;Proceeding / Abstract / PosterElectronic medical record-embedded clinical decision support increases appropriate duration of antibiotics for outpatient pediatric acute otitis media
DOI:10.1017/ice.2023.232 -
Doumat G, Ratz D, Horowitz JK, Gandhi TN, Petty LA, Malani AN, Osterholzer D, Misra P, Gupta AB, Flanders SA, Vaughn VM. Annals of Internal Medicine, 2026 May 1; 179 (5): 629 - 636.Journal ArticleShort Versus Longer Antibiotic Duration for Community-Acquired Pneumonia
DOI:10.7326/ANNALS-25-03538 PMID: 41974005 -
Petty L. 2026 Apr 16;PresentationHMS Grand Rounds: CAP, ASB, and UTI: Sharing Best Practices Henry Ford Providence Southfield and Novi
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Petty L. 2026 Apr 16;PresentationInfectious Diseases Division Grand Rounds: Ambulatory Antimicrobial Stewardship
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Gupta A, Walzl E, Ratz D, Horowitz J, McLaughlin E, Gandhi T, Petty L, Malani A, Paje D, Misra P, Kaatz S, Bernstein S, Younas M, Flanders S, Vaughn V. Antimicrobial Stewardship & Healthcare Epidemiology, 2026 Apr 9; 5 (Suppl 2): s21 - s21.Proceeding / Abstract / PosterOutcomes associated with azithromycin use among patients hospitalized with non-severe community-acquired pneumonia
DOI:10.1017/ash.2025.218 -
Hawkins M, Dillman N, Petty L, Lloyd E. 2026 Apr 7;Proceeding / Abstract / PosterImpact of Direct Provider Feedback on Ambulatory Antibiotic Duration for Pneumonia and Skin and Soft Tissue Infection