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Lack of benefit of preoperative antimicrobial prophylaxis in children with acute appendicitis: a prospective cohort study


Bansal, V; Altermatt, S; Nadal, D; Berger, C (2012). Lack of benefit of preoperative antimicrobial prophylaxis in children with acute appendicitis: a prospective cohort study. Infection, 40(6):635-641.

Abstract

BACKGROUND: Preoperative antimicrobial prophylaxis is widely used in pediatric patients undergoing appendectomy, but evidence showing a reduction of postoperative infectious complications is lacking. METHODS: A prospective consecutive cohort study on changing from preoperative antimicrobial prophylaxis to no prophylaxis in children undergoing urgent appendectomy was undertaken. The impact of this change in management on postoperative infectious complications was evaluated by comparing the outcome in 100 patients receiving (group A) and a subsequent 100 patients not receiving prophylaxis (group B), which consisted of a preoperative single dose of intravenous metronidazole (10 mg/kg body weight). RESULTS: Histology confirmed acute appendicitis in 92 patients of group A and 95 patients of group B. In patients with histological simple appendicitis, postoperative infectious complications were noted in 2 (3.0 %) of 69 patients from group A and in none of 70 patients from group B, and in patients with histological perforated appendicitis in 5 (22 %) of 23 and 4 (16 %) of 25 patients from groups A and B, respectively. Postoperative infectious complications were more frequent (p < 0.05) in perforated than in simple appendicitis. These infectious complications included in simple appendicitis two wound infections in group A, and in perforated appendicitis four intraabdominal abscesses and one wound infection in group A and two intraabdominal abscesses and two wound infections in group B. CONCLUSION: Postoperative infectious complications were seen more often in patients with perforated appendicitis than in those with simple appendicitis. Preoperative antimicrobial prophylaxis with metronidazole did not reduce the rates of postoperative infectious complications.

Abstract

BACKGROUND: Preoperative antimicrobial prophylaxis is widely used in pediatric patients undergoing appendectomy, but evidence showing a reduction of postoperative infectious complications is lacking. METHODS: A prospective consecutive cohort study on changing from preoperative antimicrobial prophylaxis to no prophylaxis in children undergoing urgent appendectomy was undertaken. The impact of this change in management on postoperative infectious complications was evaluated by comparing the outcome in 100 patients receiving (group A) and a subsequent 100 patients not receiving prophylaxis (group B), which consisted of a preoperative single dose of intravenous metronidazole (10 mg/kg body weight). RESULTS: Histology confirmed acute appendicitis in 92 patients of group A and 95 patients of group B. In patients with histological simple appendicitis, postoperative infectious complications were noted in 2 (3.0 %) of 69 patients from group A and in none of 70 patients from group B, and in patients with histological perforated appendicitis in 5 (22 %) of 23 and 4 (16 %) of 25 patients from groups A and B, respectively. Postoperative infectious complications were more frequent (p < 0.05) in perforated than in simple appendicitis. These infectious complications included in simple appendicitis two wound infections in group A, and in perforated appendicitis four intraabdominal abscesses and one wound infection in group A and two intraabdominal abscesses and two wound infections in group B. CONCLUSION: Postoperative infectious complications were seen more often in patients with perforated appendicitis than in those with simple appendicitis. Preoperative antimicrobial prophylaxis with metronidazole did not reduce the rates of postoperative infectious complications.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
04 Faculty of Medicine > University Children's Hospital Zurich > Clinic for Surgery
04 Faculty of Medicine > University Hospital Zurich > Clinic for Infectious Diseases
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2012
Deposited On:13 Dec 2012 13:29
Last Modified:07 Dec 2017 17:22
Publisher:Springer
ISSN:0300-8126
Publisher DOI:https://doi.org/10.1007/s15010-012-0297-7
PubMed ID:22810888

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