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  • Title: Systemic plus local metronidazole and cephazolin in complicated appendicitis: a prospective controlled trial.
    Author: el-Sefi TA, el-Awady HM, Shehata MI, al-Hindi MA.
    Journal: J R Coll Surg Edinb; 1989 Feb; 34(1):13-6. PubMed ID: 2651663.
    Abstract:
    Appendicectomy was performed on 100 patients with complicated appendicitis through a grid-iron incision. All patients received systemic metronidazole and cephazolin sodium which started preoperatively and continued postoperatively for 5 days. At operation, patients were allocated randomly to receive either local instillation of metronidazole and cephazolin intraperitoneally and interparietally (group A) or no local antibiotic therapy (group B). All wounds were closed primarily without drainage. Postoperative wound sepsis occurred in four (8%) of the 50 patients in group A and in 17 (34%) of the 50 patients in group B. One patient in group B developed pelvic abscess in addition to wound sepsis. The mean duration of postoperative hospital stay was 6.6 days (s.d. 2.98) in group A and 8.7 days (s.d. 5.55) in group B. These differences were statistically significant. No adverse reaction was noted. The conclusion of this study is that a single peroperative instillation of metronidazole and cephazolin into the peritoneum and wound layers is a safe and valuable adjunct to the perioperative systemic administration of these drugs in significantly reducing postoperative sepsis and duration of hospital stay in complicated appendicitis.
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