Cited by 111Nosocomial Infections in ICUSepsis Diagnosis and TreatmentClinical Nutrition and Gastroenterology

Selective decontamination of the digestive tract: the mechanism of action is control of gut overgrowth

Silvestri, Luciano, de la Cal, Miguel A., van Saene, Hendrick K. F.·2012·Intensive Care Medicine

Abstract

Purpose Gut overgrowth is the pathophysiological event in the critically ill requiring intensive care. In relation to the risk of developing a clinically important outcome, gut overgrowth is defined as ≥10(5) potential pathogens including 'abnormal' aerobic Gram-negative bacilli (AGNB), 'normal' bacteria and yeasts, per mL of digestive tract secretion. Surveillance samples of throat and gut are the only samples to detect overgrowth. Gut overgrowth is the crucial event which precedes both primary and secondary endogenous infection, and a risk factor for the development of de novo resistance. Selective decontamination of the digestive tract (SDD) is an antimicrobial prophylaxis designed to control overgrowth.Methods There have been 65 randomised controlled trials of SDD in 15,000 patients over 25 years and 11 meta-analyses, which are reviewed.Results and conclusions These trials demonstrate that the full SDD regimen using parenteral and enteral antimicrobials reduces lower airway infection by 72 %, blood stream infection by 37 %, and mortality by 29 %. Resistance is also controlled. Parenteral cefotaxime which reaches high salivary and biliary concentrations eradicates overgrowth of 'normal' bacteria such as Staphylococcus aureus in the throat. Enteral polyenes control 'normal' Candida species. Enteral polymyxin and tobramycin, eradicate, or prevent gut overgrowth of 'abnormal' AGNB. Enteral vancomycin controls overgrowth of 'abnormal' methicillin-resistant S. aureus. SDD controls overgrowth by achieving high antimicrobial concentrations effective against 'normal' and 'abnormal' potential pathogens rather than by selectivity.

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Crossref · 10.1007/s00134-012-2690-1

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154 of 154 references verified0 citation errors · 0 not checkable

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  • Patients who receive selective decontamination of the digestive tract are less likely to develop multiorgan failure or die than patients who do not.

    “patients who receive SDD are less likely to develop multiorgan failure91 or die96 than patients who do not”

    From The microbiome and critical illness (2016) · cites this paper as [96]

  • Since the first randomised controlled trial in 1987, selective decontamination of the digestive tract has been tested in more than 65 randomised controlled trials studying more than 15000 patients.

    “Since the first (which was also the first positive) randomised controlled trial in 1987,95 SDD has been tested in more than 65 randomised controlled trials studying more than 15000 patients.”

    From The microbiome and critical illness (2016) · cites this paper as [96]

  • Selective decontamination of the digestive tract is the most thoroughly studied intervention in critical care research and has unambiguous benefits in the prevention of infections, multiorgan failure, and death.

    “SDD is the most thoroughly studied intervention in critical care research, and has unambiguous benefits in the prevention of infections, multiorgan failure, and death.”

    From The microbiome and critical illness (2016) · cites this paper as [96]

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Authors
Silvestri, L., de la Cal, M. A., & van Saene, H. K. F.
Venue
Intensive Care Medicine
Published
2012-09-22
Volume
38
Issue
11
Pages
1738-1750
ISSN
  • 0342-4642 (ISSN-L)
  • 1432-1238
OpenAlex
W2065187449
Cited by
111
References
156
Citations by year
2026: 4 · 2025: 7 · 2024: 6 · 2023: 12 · 2022: 7 · 2021: 13 · 2020: 10 · 2019: 4 · 2018: 3 · 2017: 5 · 2016: 6 · 2015: 6 · 2014: 12 · 2013: 16
FWCI
1.88
Type
journal article
Language
en
Open access
closed
Locations
  • Intensive Care Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Nosocomial Infections in ICU
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
Keywords
selective decontamination of the digestive tract, critically ill patients, antibiotic prophylaxis, lower respiratory tract infection, bloodstream infection, mortality, antimicrobial resistance, cefotaxime, polymyxins, tobramycin, vancomycin, methicillin-resistant Staphylococcus aureus, Candida, Staphylococcus aureus, endogenous infection
MeSH terms
Bacterial Infections, Carrier State, Decontamination, Digestive System, Gram-Negative Aerobic Bacteria, Humans, Meta-Analysis as Topic, Randomized Controlled Trials as Topic, Critical Illness, Antibiotic Prophylaxis

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