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Laparoscopic versus open appendectomy in obese patients: A meta-analysis of prospective and retrospective studies
Andrea Ciarrocchi1, Gianfranco Amicucci1
1Department of General and Emergency Surgery, University of L'Aquila, L'Aquila, Italy.
Background:
A meta-analysis of different kinds of studies was performed to assess outcomes of laparoscopic versus open appendectomy in obese patients.
Materials And Methods:
Retrospective and prospective studies enrolling patients with a body mass index greater than 30 kg/m(2) were included. Primary outcomes were days of hospital stay, surgical procedure duration, and overall post-operative complication rate. Secondary outcomes were wound infection and intra-abdominal abscesses formation rate, hospital charges.
Results:
Laparoscopic appendectomy showed to be significantly associated with lower wound infection (P < 0.001) and post-operative complication rate (P < 0.001). Surgical time was considered as a hallmark of technical challenge and resulted diminished in the laparoscopic group (P = 0.018). Although not clinically relevant per se, the statistically significant shorter hospital stay (P < 0.001) was probably the reason of decreased hospital charges (P < 0.001). Intra-abdominal abscesses formation rate was higher in the open appendectomy group (P = 0.058), although slightly above the statistical significance threshold.
Conclusion:
Laparoscopic approach seemed to show relevant advantages compared to open appendectomy, but a large prospective trial is necessary to collect high quality data and investigate long-term outcomes.
