Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2020
Personalized Ertapenem Prophylaxis for Carriers of Extended-spectrum β-Lactamase-producing Enterobacteriaceae Undergoing Colorectal Surgery.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Nutman Amir, Temkin Elizabeth, Harbarth Stephan, Carevic Biljana, Ris Frederic, Fankhauser-Rodriguez Carolina, Radovanovic Ivana, Dubinsky-Pertzov Biana, Cohen-Percia Shimrit, Kariv Yehuda, Buchs Nicolas, Schiffer Eduardo, Fallach Noga, Klausner Joseph, Carmeli Yehuda
Аннотация
BACKGROUND: Carriers of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE) who receive cephalosporin-based prophylaxis have twice the risk of surgical site infection (SSI) following colorectal surgery as noncarriers. We tested whether ESBL-PE screening and personalized prophylaxis with ertapenem reduces SSI risk among carriers.
METHODS: We conducted a prospective nonrandomized, nonblinded, interventional study in 3 hospitals in Israel, Switzerland, and Serbia. Patients were screened for ESBL-PE carriage before elective colorectal surgery. During the baseline phase, departmental guidelines advised prophylaxis with a cephalosporin plus metronidazole. In the intervention phase, guidelines were changed for ESBL-PE carriers to receive ertapenem. The primary outcome was any type of SSI within 30 days. We calculated adjusted risk differences (ARDs) following logistic regression.
RESULTS: The intention-to-treat analysis compared 209 ESBL-PE carriers in the baseline phase to 269 in the intervention phase. SSI rates were 21.5% and 17.5%, respectively (ARD, -4.7% [95% confidence interval {CI}, -11.8% to 2.4%]). Unplanned crossover was high (15%), so to assess efficacy we performed an as-treated analysis comparing 247 patients who received cephalosporin-based prophylaxis with 221 who received ertapenem. SSI rates were 22.7% and 15.8%, respectively (ARD, -7.7% [95% CI, -14.6% to -.8%]), and rates of SSI caused by ESBL-PE were 6.5% and 0.9%, respectively (ARD, -5.6% [95% CI, -8.9% to -2.3%]). There was no significant difference in the rate of deep SSI. The number needed to treat to prevent 1 SSI in ESBL-PE carriers was 13.
CONCLUSIONS: Screening for ESBL-PE carriage before colorectal surgery and personalizing prophylaxis for carriers is efficacious in reducing SSI.
METHODS: We conducted a prospective nonrandomized, nonblinded, interventional study in 3 hospitals in Israel, Switzerland, and Serbia. Patients were screened for ESBL-PE carriage before elective colorectal surgery. During the baseline phase, departmental guidelines advised prophylaxis with a cephalosporin plus metronidazole. In the intervention phase, guidelines were changed for ESBL-PE carriers to receive ertapenem. The primary outcome was any type of SSI within 30 days. We calculated adjusted risk differences (ARDs) following logistic regression.
RESULTS: The intention-to-treat analysis compared 209 ESBL-PE carriers in the baseline phase to 269 in the intervention phase. SSI rates were 21.5% and 17.5%, respectively (ARD, -4.7% [95% confidence interval {CI}, -11.8% to 2.4%]). Unplanned crossover was high (15%), so to assess efficacy we performed an as-treated analysis comparing 247 patients who received cephalosporin-based prophylaxis with 221 who received ertapenem. SSI rates were 22.7% and 15.8%, respectively (ARD, -7.7% [95% CI, -14.6% to -.8%]), and rates of SSI caused by ESBL-PE were 6.5% and 0.9%, respectively (ARD, -5.6% [95% CI, -8.9% to -2.3%]). There was no significant difference in the rate of deep SSI. The number needed to treat to prevent 1 SSI in ESBL-PE carriers was 13.
CONCLUSIONS: Screening for ESBL-PE carriage before colorectal surgery and personalizing prophylaxis for carriers is efficacious in reducing SSI.