• T M Khalili, J R Hiatt, A Savar, C Lau, and D R Margulies.
• Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA.
• Am Surg. 1999 Oct 1;65(10):965-7.

AbstractRecent studies have reported an increased risk of intra-abdominal abscess formation following laparoscopic operation for perforated appendicitis. We undertook this study to compare laparoscopic versus open appendectomy in the treatment of perforated appendicitis. Records of all patients undergoing an appendectomy between January 1994 and June 1997 were reviewed, classifying appendicitis as acute, gangrenous, or perforated based on the intraoperative findings. Operative procedures were categorized as open, laparoscopic converted to open, or laparoscopic. The study group included 690 patients; four hundred fourteen (60%) were acute, 77 (11%) were gangrenous, and 199 (29%) were perforated. Although mean length of stay was shorter for all patients undergoing laparoscopic appendectomy, patients with perforated appendicitis had similar length of stay between treatment groups. Mean operative time for open appendectomy was significantly shorter than for converted or laparoscopic appendectomy regardless of diagnosis (P<0.01). Ten patients (1.4%) developed an intra-abdominal abscess: six after open appendectomy (1.7%), one after converted appendectomy (3.7%), and three after laparoscopic appendectomy (1%). There was no significant difference in rate of abscess formation in patients with perforated appendicitis undergoing open, converted, or laparoscopic appendectomy. We conclude that laparoscopic appendectomy for perforated appendicitis is not associated with an increased rate of intra-abdominal abscess formation.

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