Angel Pobo1, Thiago Lisboa1, Alejandro Rodriguez1, Ramiro Sole2, Mónica Magret1, Sandra Trefler1, Frederic Gómez3, Jordi Rello4. 1. Critical Care Department, Centro de Investigacíon Biomedica en Red Enfermedades Respiratorias. 2. Dentistry Care Department, Joan XXIII University Hospital, University Rovira i Virgili, Tarragona, Spain. 3. Microbiology Department, Joan XXIII University Hospital, University Rovira i Virgili, Tarragona, Spain. 4. Critical Care Department, Centro de Investigacíon Biomedica en Red Enfermedades Respiratorias. Electronic address: jrello.hj23.ics@gencat.cat.
Abstract
BACKGROUND: Poor oral hygiene is associated with respiratory pathogen colonization and secondary lung infection. The impact of adding electric toothbrushing to oral care in order to reduce ventilator-associated pneumonia (VAP) incidence is unknown. METHODS: The study design was a prospective, simple-blind, randomized trial of adult patients intubated for > 48 h. Controlling for exposure to antibiotic treatment, patients were randomized tooral care every 8 h with 0.12% chlorhexidine digluconate (standard group) or standard oral care plus electric toothbrushing (toothbrush group). VAP was documented by quantitative respiratory cultures. Mechanical ventilation (MV) duration, hospital ICU length of stay (LOS), antibiotic use, and hospital ICU mortality were secondary end points. RESULTS: The study was terminated after randomizing 147 patients (74 toothbrush group) in a scheduled interim analysis. The two groups were comparable at baseline. The toothbrush group and standard group had similar rates of suspected VAP (20.3% vs 24.7%; p = 0.55). After adjustment for severity of illness and admission diagnosis, the incidence of microbiologically documented VAP was also similar in the two groups (hazard ratio, 0.84; 95% confidence interval, 0.41 to 1.73). The groups did not differ significantly in mortality, antibiotic-free days, duration of MV, or hospital ICU LOS. CONCLUSIONS: Our findings suggest that the addition of electric toothbrushing to standard oral care with 0.12% chlorhexidine digluconate is not effective for the prevention of VAP. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT00842478.
RCT Entities:
BACKGROUND: Poor oral hygiene is associated with respiratory pathogen colonization and secondary lung infection. The impact of adding electric toothbrushing to oral care in order to reduce ventilator-associated pneumonia (VAP) incidence is unknown. METHODS: The study design was a prospective, simple-blind, randomized trial of adult patients intubated for > 48 h. Controlling for exposure to antibiotic treatment, patients were randomized to oral care every 8 h with 0.12% chlorhexidine digluconate (standard group) or standard oral care plus electric toothbrushing (toothbrush group). VAP was documented by quantitative respiratory cultures. Mechanical ventilation (MV) duration, hospital ICU length of stay (LOS), antibiotic use, and hospital ICU mortality were secondary end points. RESULTS: The study was terminated after randomizing 147 patients (74 toothbrush group) in a scheduled interim analysis. The two groups were comparable at baseline. The toothbrush group and standard group had similar rates of suspected VAP (20.3% vs 24.7%; p = 0.55). After adjustment for severity of illness and admission diagnosis, the incidence of microbiologically documented VAP was also similar in the two groups (hazard ratio, 0.84; 95% confidence interval, 0.41 to 1.73). The groups did not differ significantly in mortality, antibiotic-free days, duration of MV, or hospital ICU LOS. CONCLUSIONS: Our findings suggest that the addition of electric toothbrushing to standard oral care with 0.12% chlorhexidine digluconate is not effective for the prevention of VAP. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT00842478.
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