| Preventive Effects for Wound Infection of Intra-incisional Metronidazole Infiltration Preoperatively in Appendectomy. |
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Park, Bu Il , Kim, Byung Seok , Moon, Duk Jin , Park, Ju Sub |
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Department of Surgery, Kwangju Christian Hospital, Kwangju, Korea. drpark@netsgo.com |
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| Abstract |
PURPOSE
The aim of this prospective study was to evaluate the effect of metronidazole for wound infection by using intra-incisional infiltration before appendectomy.
METHODS
From January to May 2000, 176 patients with acute appendicitis received appendectomy. All patients were randomly divided into two groups. Group I (n=50) was the treatment group and group II (n=126) was the control group.
After anesthesizing the patients of group I, 7.5 mg/kg of metronidazole was injected into subcutaneous tissue and muscle. All patients of group I and II were given intravenous injection of cephalosporin and intravenous or intramuscular injection of aminoglycoside.
RESULTS
In the 50 cases of group I, the rate of wound infection was 2% and the rate of wound infection in the 126 cases of group II was 4.8%. The rate of anaerobic bacteria of organisms cultured from wound of patients with infection was 0% in group I and 33% in group II. The statistical analysis using chi-square test was not significant (p=0.676) but the rate of wound infection was reduced, especially in infection caused by anaerobic bacteria.
CONCLUSIONS
The rate of wound infection was not significant statistically but it was reduced after intra-incisional infiltration of metronidazole. Therefore we suggest that this method can be one of methods that reduce the rate of wound infection after appendectomy. |
| Key Words:
Appendectomy; Wound infection; Metronidazole; Intra-incisional infiltration |
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