Cited by 747Abdominal Surgery and ComplicationsAntibiotic Use and ResistanceSurgical site infection prevention

Trial of short-course antimicrobial therapy for intraabdominal infection.

Open access
Sawyer, Robert G., Claridge, Jeffrey A., Nathens, Avery B., Rotstein, Ori D., Duane, Therese M., Evans, Heather L., Cook, Charles H., O’Neill, Patrick J. +18 more·2015·New England Journal of Medicine

Abstract

BACKGROUND: The successful treatment of intraabdominal infection requires a combination of anatomical source control and antibiotics. The appropriate duration of antimicrobial therapy remains unclear. METHODS: We randomly assigned 518 patients with complicated intraabdominal infection and adequate source control to receive antibiotics until 2 days after the resolution of fever, leukocytosis, and ileus, with a maximum of 10 days of therapy (control group), or to receive a fixed course of antibiotics (experimental group) for 4±1 calendar days. The primary outcome was a composite of surgical-site infection, recurrent intraabdominal infection, or death within 30 days after the index source-control procedure, according to treatment group. Secondary outcomes included the duration of therapy and rates of subsequent infections. RESULTS: Surgical-site infection, recurrent intraabdominal infection, or death occurred in 56 of 257 patients in the experimental group (21.8%), as compared with 58 of 260 patients in the control group (22.3%) (absolute difference, -0.5 percentage point; 95% confidence interval [CI], -7.0 to 8.0; P=0.92). The median duration of antibiotic therapy was 4.0 days (interquartile range, 4.0 to 5.0) in the experimental group, as compared with 8.0 days (interquartile range, 5.0 to 10.0) in the control group (absolute difference, -4.0 days; 95% CI, -4.7 to -3.3; P<0.001). No significant between-group differences were found in the individual rates of the components of the primary outcome or in other secondary outcomes. CONCLUSIONS: In patients with intraabdominal infections who had undergone an adequate source-control procedure, the outcomes after fixed-duration antibiotic therapy (approximately 4 days) were similar to those after a longer course of antibiotics (approximately 8 days) that extended until after the resolution of physiological abnormalities. (Funded by the National Institutes of Health; STOP-IT ClinicalTrials.gov number, NCT00657566.).

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  • In RCTs of intra-abdominal infection, shorter duration antimicrobial therapy showed no difference in outcomes compared with longer duration.

    “Intra-abdominal | Montravers 2018 (305) | 8 days | 15 days | No difference”

    From Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2021. (2021) · cites this paper as Sawyer 2015 (293)

    The Results report similar outcomes with shorter and longer antimicrobial therapy for intraabdominal infection. However, this paper reports approximately 4 versus 8 days, not the citing row’s 8 versus 15 days, and it does not identify itself as the Montravers 2018 trial. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • In many RCTs of shorter versus longer antimicrobial courses for specific conditions, the shorter course was as effective as the longer course but associated with fewer adverse consequences.

    “In many of the trials, the shorter course was just as effective as the longer course but associated with fewer adverse consequences.”

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Authors
Sawyer, R. G., Claridge, J. A., Nathens, A. B., Rotstein, O. D., Duane, T. M., Evans, H. L., Cook, C. H., O’Neill, P. J., Mazuski, J. E., Askari, R., Wilson, M. A., Napolitano, L. M., Namias, N., Miller, P. R., Dellinger, E. P., Watson, C. M., Coimbra, R., Dent, D. L., Lowry, S. F., Cocanour, C. S., West, M. A., Banton, K. L., Cheadle, W. G., Lipsett, P. A., Guidry, C. A., & Popovsky, K.
Affiliations
  • Virginia Commonwealth University (US)
  • From the Department of Surgery, University of Virginia Health System, Charlottesville (R.G.S., C.A.G., K.P.); the Department of Surgery, Virginia Commonwealth University, Richmond (T.M.D.); the Department of Surgery, Case Western Reserve University, Cleveland (J.A.C.); the Department of Surgery, University of Toronto, Toronto (A.B.N., O.D.R.); the Department of Surgery, University of Washington, Seattle (H.L.E., E.P.D.); the Department of Surgery, Beth Israel Deaconess Medical Center (C.H.C.), and the...
  • Beth Israel Deaconess Medical Center (US)
  • Brigham and Women's Hospital (US)
  • University of Miami (US)
  • University of South Carolina (US)
  • The University of Texas at San Antonio Health Science Center (US)
  • University of Minnesota (US)
  • University of Louisville (US)
  • Johns Hopkins University (US)
Venue
New England Journal of Medicine
Published
2015-05-21
Volume
372
Issue
21
Pages
1996-2005
ISSN
  • 0028-4793 (ISSN-L)
  • 1533-4406
OpenAlex
W2148077193
Cited by
747
References
23
Citations by year
2026: 55 · 2025: 73 · 2024: 57 · 2023: 63 · 2022: 82 · 2021: 70 · 2020: 81 · 2019: 60 · 2018: 58 · 2017: 68 · 2016: 57 · 2015: 19
FWCI
53.26
Type
journal article
Language
en
Open access
Locations
  • New England Journal of Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Digital Commons@Becker (Washington University School of Medicine) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health (5t32ai078875-05)
  • National Institute of General Medical Sciences (R01GM081510)
  • National Institute of Allergy and Infectious Diseases (T32-AI078875)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Abdominal Surgery and Complications
  • Life Sciences › Immunology and Microbiology › Applied Microbiology and Biotechnology › Antibiotic Use and Resistance
  • Health Sciences › Medicine › Surgery › Surgical site infection prevention
Keywords
intra-abdominal infection, short-course antibiotic therapy, antibiotic duration, source control, surgical site infection, postoperative mortality, antibiotic stewardship
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Anti-Bacterial Agents, Appendicitis, Drug Administration Schedule, Female, Fever, Humans, Leukocytosis, Male, Middle Aged, Peritonitis, Recurrence, Surgical Wound Infection, Sepsis, Kaplan-Meier Estimate, Medication Adherence, Young Adult, Intraabdominal Infections

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