The Annals of thoracic surgery · 2019
Epidemiology and Appropriateness of Antibiotic Prescribing in Severe Pneumonia After Lung Resection.
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Kernéis Solen, Blanc Kim, Caliez Julien, Canouï Etienne, Loubinoux Julien, Gauzit Rémy, Nguyen Yên-Lan, Casetta Anne, Lefebvre Aurélie, Regnard Jean-François, Bouam Samir, Alifano Marco, Rabbat Antoine
Аннотация
BACKGROUND: Postoperative pneumonia (POP) is a severe complication of major lung resection. The objective of this study was to describe the current epidemiology and appropriateness of antibiotic prescriptions in severe POP, 4 years after implementation of an antimicrobial stewardship program that was based on weekly multidisciplinary review of all antibiotic therapies.
METHODS: This study was a retrospective analysis of a prospectively collected database. It included all cases of severe POP occurring within 30 days after major lung resection of in a 1,500-bed hospital between 2013 and 2015. Criteria for severe POP were acute respiratory failure, severe sepsis, or a rapidly extensive pulmonary infiltrate. The study collected data on incidence, clinical outcomes, and microbiological analyses. Appropriateness of antibiotic prescribing was assessed by quality indicators previously validated in the literature.
RESULTS: Over the study period, 1,555 patients underwent major lung surgery. Severe POP occurred in 91 patients (5.8%; confidence interval, 4.7%; 7.0%), with a mortality rate of 9.0% (8 of 91; confidence interval, 3.0%; 14.6%). In POP with positive microbiological results, the proportion of gram-negative bacteria other than Haemophilus was 76% (50 of 66 cases). All patients (91 of 91) had respiratory samples taken within 24 hours after the start of antibiotics; empiric therapy was concordant with the guideline in 80% (69 of 86), and it was switched to pathogen-directed therapy in 74% (46 of 62). In 71 of 91 patients (78%), the antibiotic duration was up to 7 days.
CONCLUSIONS: This study reported a high proportion of gram-negative bacteria in severe POP. Four years after implementation of the program, quality indicators of antibiotic prescribing were all >70%. The rate of de-escalation to pathogen-directed therapy could be improved, however.
METHODS: This study was a retrospective analysis of a prospectively collected database. It included all cases of severe POP occurring within 30 days after major lung resection of in a 1,500-bed hospital between 2013 and 2015. Criteria for severe POP were acute respiratory failure, severe sepsis, or a rapidly extensive pulmonary infiltrate. The study collected data on incidence, clinical outcomes, and microbiological analyses. Appropriateness of antibiotic prescribing was assessed by quality indicators previously validated in the literature.
RESULTS: Over the study period, 1,555 patients underwent major lung surgery. Severe POP occurred in 91 patients (5.8%; confidence interval, 4.7%; 7.0%), with a mortality rate of 9.0% (8 of 91; confidence interval, 3.0%; 14.6%). In POP with positive microbiological results, the proportion of gram-negative bacteria other than Haemophilus was 76% (50 of 66 cases). All patients (91 of 91) had respiratory samples taken within 24 hours after the start of antibiotics; empiric therapy was concordant with the guideline in 80% (69 of 86), and it was switched to pathogen-directed therapy in 74% (46 of 62). In 71 of 91 patients (78%), the antibiotic duration was up to 7 days.
CONCLUSIONS: This study reported a high proportion of gram-negative bacteria in severe POP. Four years after implementation of the program, quality indicators of antibiotic prescribing were all >70%. The rate of de-escalation to pathogen-directed therapy could be improved, however.