Susan K Seo1, Zivile Gedrimaite2, Deborah Fleischer3, Nina Cohen4, Elena Petre3, Karen T Brown5, Anne Covey5. 1. Infectious Disease Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Medicine, Weill Cornell Medical College, New York, New York. Electronic address: seos@mskcc.org. 2. Infectious Disease Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York. 3. Interventional Radiology Service, Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York. 4. Department of Pharmacy, Memorial Sloan Kettering Cancer Center, New York, New York. 5. Interventional Radiology Service, Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York; Department of Radiology, Weill Cornell Medical College, New York, New York.
Abstract
PURPOSE: To assess the infection rate after eliminating postprocedural antibiotics in patients undergoing hepatic artery embolization (HAE) for primary and secondary hepatic malignancies. MATERIAL AND METHODS: In this historical cohort study, adults ≥18 years of age without prior biliary instrumentation or bypass who underwent HAE and received pre- and postprocedure antibiotic prophylaxis between September 1, 2014, and August 31, 2015, comprised group A, whereas similar patients receiving only preprocedure antibiotic prophylaxis between October 1, 2015, and September 30, 2016, comprised group B. Procedures conducted between September 1, 2015, and September 30, 2015, were excluded. The primary outcome was any infection occurring within 30 days of HAE. RESULTS: A total of 150 patients underwent 204 HAE procedures in group A, and 171 patients underwent 221 procedures in group B. Cefazolin given as a 1-g dose (or 2 grams if obese) was administered in 391 of 425 evaluable procedures (92%). Clindamycin plus gentamicin was prescribed in 34 patients (8%) who had severe penicillin allergy. There was significant improvement in adherence to the postprocedure antibiotic regimen, from 68% (138 of 204 procedures) to 98% (216 of 221 procedures) (P < .001) with elimination of postprocedure prophylaxis. There were no significant differences in 30-day infection rates (5 [3%] vs. 5 [2%]; P = .57), hospital readmissions (13 [6%] vs. 12 [5%]; P = .68), or all-cause mortality (3 [1%] vs. 3 [1%]; P = .62) between the 2 groups. CONCLUSIONS: Elimination of postprocedural antibiotics after HAE did not lead to an increase in infectious complications. This finding supports the 2018 Society of Interventional Radiology recommendation for preprocedural prophylaxis only for HAE in the setting of an intact sphincter of Oddi.
PURPOSE: To assess the infection rate after eliminating postprocedural antibiotics in patients undergoing hepatic artery embolization (HAE) for primary and secondary hepatic malignancies. MATERIAL AND METHODS: In this historical cohort study, adults ≥18 years of age without prior biliary instrumentation or bypass who underwent HAE and received pre- and postprocedure antibiotic prophylaxis between September 1, 2014, and August 31, 2015, comprised group A, whereas similar patients receiving only preprocedure antibiotic prophylaxis between October 1, 2015, and September 30, 2016, comprised group B. Procedures conducted between September 1, 2015, and September 30, 2015, were excluded. The primary outcome was any infection occurring within 30 days of HAE. RESULTS: A total of 150 patients underwent 204 HAE procedures in group A, and 171 patients underwent 221 procedures in group B. Cefazolin given as a 1-g dose (or 2 grams if obese) was administered in 391 of 425 evaluable procedures (92%). Clindamycin plus gentamicin was prescribed in 34 patients (8%) who had severe penicillinallergy. There was significant improvement in adherence to the postprocedure antibiotic regimen, from 68% (138 of 204 procedures) to 98% (216 of 221 procedures) (P < .001) with elimination of postprocedure prophylaxis. There were no significant differences in 30-day infection rates (5 [3%] vs. 5 [2%]; P = .57), hospital readmissions (13 [6%] vs. 12 [5%]; P = .68), or all-cause mortality (3 [1%] vs. 3 [1%]; P = .62) between the 2 groups. CONCLUSIONS: Elimination of postprocedural antibiotics after HAE did not lead to an increase in infectious complications. This finding supports the 2018 Society of Interventional Radiology recommendation for preprocedural prophylaxis only for HAE in the setting of an intact sphincter of Oddi.
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