HYPOTHESIS: The results of a meta-analysis of individual studies comparing laparoscopic vs open appendectomy in older patients may guide the choice of surgical approach. DESIGN: Meta-analysis. SETTING: Academic research. PATIENTS: MEDLINE, EMBASE, Web of Science, and Cochrane databases were searched for comparative studies of older patients with a diagnosis of acute appendicitis. MAIN OUTCOME MEASURES: Primary outcomes were postoperative mortality and overall morbidity. Secondary outcomes were operative time, length of hospital stay, postoperative wound infection, and intra-abdominal collection. Using the lowest threshold from the articles included, older patients were defined as those older than 60 years. RESULTS: Analyzed were 6 studies comprising 15 852 appendectomies (4398 laparoscopic and 11 454 open procedures). Laparoscopic appendectomy was associated with significant reductions in postoperative mortality (pooled odds ratio, 0.24; 95% CI, 0.15-0.37), postoperative complications (pooled odds ratio, 0.61; 95% CI, 0.50-0.73), and length of hospital stay (weighted mean difference, -0.51 days; 95% CI, -0.64 to -0.37 days) (P < .05 for all). No significant group differences were observed in operative time, postoperative wound infection, or intra-abdominal collection. CONCLUSIONS: In older patients, laparoscopic appendectomy is associated with reduced postoperative mortality and morbidity, although randomized data are required to infer causality. A health economic analysis with quality-of-life metrics is needed to investigate potential benefits of the reduced length of hospital stay observed following laparoscopic appendectomy in this cohort.
HYPOTHESIS: The results of a meta-analysis of individual studies comparing laparoscopic vs open appendectomy in older patients may guide the choice of surgical approach. DESIGN: Meta-analysis. SETTING: Academic research. PATIENTS: MEDLINE, EMBASE, Web of Science, and Cochrane databases were searched for comparative studies of older patients with a diagnosis of acute appendicitis. MAIN OUTCOME MEASURES: Primary outcomes were postoperative mortality and overall morbidity. Secondary outcomes were operative time, length of hospital stay, postoperative wound infection, and intra-abdominal collection. Using the lowest threshold from the articles included, older patients were defined as those older than 60 years. RESULTS: Analyzed were 6 studies comprising 15 852 appendectomies (4398 laparoscopic and 11 454 open procedures). Laparoscopic appendectomy was associated with significant reductions in postoperative mortality (pooled odds ratio, 0.24; 95% CI, 0.15-0.37), postoperative complications (pooled odds ratio, 0.61; 95% CI, 0.50-0.73), and length of hospital stay (weighted mean difference, -0.51 days; 95% CI, -0.64 to -0.37 days) (P < .05 for all). No significant group differences were observed in operative time, postoperative wound infection, or intra-abdominal collection. CONCLUSIONS: In older patients, laparoscopic appendectomy is associated with reduced postoperative mortality and morbidity, although randomized data are required to infer causality. A health economic analysis with quality-of-life metrics is needed to investigate potential benefits of the reduced length of hospital stay observed following laparoscopic appendectomy in this cohort.
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Authors: Ramon R Gorter; Hasan H Eker; Marguerite A W Gorter-Stam; Gabor S A Abis; Amish Acharya; Marjolein Ankersmit; Stavros A Antoniou; Simone Arolfo; Benjamin Babic; Luigi Boni; Marlieke Bruntink; Dieuwertje A van Dam; Barbara Defoort; Charlotte L Deijen; F Borja DeLacy; Peter Mnyh Go; Annelieke M K Harmsen; Rick S van den Helder; Florin Iordache; Johannes C F Ket; Filip E Muysoms; M Mahir Ozmen; Michail Papoulas; Michael Rhodes; Jennifer Straatman; Mark Tenhagen; Victor Turrado; Andras Vereczkei; Ramon Vilallonga; Jort D Deelder; Jaap Bonjer Journal: Surg Endosc Date: 2016-09-22 Impact factor: 4.584