Are changes in antibiotic prophylaxis recommendations responsible for an increased risk of cefazolin allergy?
Copyright © 2024 Société française d'anesthésie et de réanimation (Sfar). Published by Elsevier Masson SAS. All rights reserved..
BACKGROUND: The first line of prevention of surgical site infection relies on the timely administration of antibiotic prophylaxis. First- and second-generation cephalosporins are the most recommended antibiotics in elective surgery. The incidence of cefazolin allergy has increased worldwide over the years. The sensitization mechanism of cefazolin is currently unknown, and data supporting cross-reactivity between penicillins and cephalosporins are lacking. Sensitization could occur through previous exposure either to cefazolin or to structurally related chemical agents. The objective of this study was to evaluate sensitization agents towards cefazolin.
METHODS: The OpenBabel chemoinformatics toolbox was used to search for similarities between cefazolin and other molecules in an extensive drug database. Using the pholcodine-rocuronium similarity score as a threshold, we selected drugs with the most similar structure to that of cefazolin. Exposure to those drugs and cefazolin was assessed in a cohort of patients with skin test-proven cefazolin allergy at a specialized allergy centre via a self-administered anonymous questionnaire.
RESULTS: Using the pholcodine-rocuronium similarity score as a threshold (score≥0.7), 42 molecules were found to be similar to cefazolin (all cephalosporins). Only 8 were marketed in France. None of the 14 cefazolin-allergic patients who answered the questionnaire (65% female, median age 56 years) reported exposure to any identified antibiotics. In contrast, 11 (78%) had at least one previous surgery requiring cefazolin before the index case.
CONCLUSION: Direct previous cefazolin exposure was identified in 78% of cefazolin-allergic patients. Cefazolin started to take a central place in antibiotic prophylaxis after 2010, when cefamandole usage decreased drastically. Changes in antibiotic prophylaxis over the past 14 years in France could have been the turning point for the increased incidence of cefazolin allergy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:43 |
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| Enthalten in: |
Anaesthesia, critical care & pain medicine - 43(2024), 2 vom: 20. März, Seite 101349 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chéron, Nicolas [VerfasserIn] |
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| Links: |
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| Themen: |
Allergy |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 25.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.accpm.2024.101349 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM367687674 |
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| 245 | 1 | 0 | |a Are changes in antibiotic prophylaxis recommendations responsible for an increased risk of cefazolin allergy? |
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| 520 | |a Copyright © 2024 Société française d'anesthésie et de réanimation (Sfar). Published by Elsevier Masson SAS. All rights reserved. | ||
| 520 | |a BACKGROUND: The first line of prevention of surgical site infection relies on the timely administration of antibiotic prophylaxis. First- and second-generation cephalosporins are the most recommended antibiotics in elective surgery. The incidence of cefazolin allergy has increased worldwide over the years. The sensitization mechanism of cefazolin is currently unknown, and data supporting cross-reactivity between penicillins and cephalosporins are lacking. Sensitization could occur through previous exposure either to cefazolin or to structurally related chemical agents. The objective of this study was to evaluate sensitization agents towards cefazolin | ||
| 520 | |a METHODS: The OpenBabel chemoinformatics toolbox was used to search for similarities between cefazolin and other molecules in an extensive drug database. Using the pholcodine-rocuronium similarity score as a threshold, we selected drugs with the most similar structure to that of cefazolin. Exposure to those drugs and cefazolin was assessed in a cohort of patients with skin test-proven cefazolin allergy at a specialized allergy centre via a self-administered anonymous questionnaire | ||
| 520 | |a RESULTS: Using the pholcodine-rocuronium similarity score as a threshold (score≥0.7), 42 molecules were found to be similar to cefazolin (all cephalosporins). Only 8 were marketed in France. None of the 14 cefazolin-allergic patients who answered the questionnaire (65% female, median age 56 years) reported exposure to any identified antibiotics. In contrast, 11 (78%) had at least one previous surgery requiring cefazolin before the index case | ||
| 520 | |a CONCLUSION: Direct previous cefazolin exposure was identified in 78% of cefazolin-allergic patients. Cefazolin started to take a central place in antibiotic prophylaxis after 2010, when cefamandole usage decreased drastically. Changes in antibiotic prophylaxis over the past 14 years in France could have been the turning point for the increased incidence of cefazolin allergy | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Allergy | |
| 650 | 4 | |a Anaesthesia | |
| 650 | 4 | |a Antibiotics | |
| 650 | 4 | |a Cefazolin | |
| 650 | 4 | |a Chemoinformatics | |
| 650 | 4 | |a Cross-reactivity | |
| 650 | 4 | |a Prophylaxis | |
| 650 | 4 | |a Surgery | |
| 650 | 7 | |a Cefazolin |2 NLM | |
| 650 | 7 | |a IHS69L0Y4T |2 NLM | |
| 650 | 7 | |a Rocuronium |2 NLM | |
| 650 | 7 | |a WRE554RFEZ |2 NLM | |
| 650 | 7 | |a Anti-Bacterial Agents |2 NLM | |
| 650 | 7 | |a Cephalosporins |2 NLM | |
| 700 | 1 | |a de Chaisemartin, Luc |e verfasserin |4 aut | |
| 700 | 1 | |a Aubert, Simon |e verfasserin |4 aut | |
| 700 | 1 | |a Laborier, Felix |e verfasserin |4 aut | |
| 700 | 1 | |a Montravers, Philippe |e verfasserin |4 aut | |
| 700 | 1 | |a Neukirch, Catherine |e verfasserin |4 aut | |
| 700 | 1 | |a Gouel-Chéron, Aurélie |e verfasserin |4 aut | |
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