Abstract
Background Because it has been suggested that obese patients may be at higher risk of morbidity and mortality after surgery, we conducted a prospective case-matched study to compare outcomes of elective laparoscopic colorectal surgery in obese and nonobese patients. Methods Sixty-two consecutive nonselected obese patients (body mass index ≥30 kg/m 2) were matched with 118 nonobese patients. Postsurgical mortality and morbidity were defined as in-hospital death and complications. Results Cardiopulmonary comorbidities were significantly more frequent in obese compared with nonobese patients (44% vs 24%, P < .01). Obesity was significantly associated with increased mean operating time (268 ± 74 min vs 232 ± 59 min, P < .001), and conversion rate (32% vs 14%, P < .01). The mortality rate was nil. The overall postsurgical morbidity rate (31% vs 19%, P = not significant) and mean hospital stay (11 ± 10 days vs 9 ± 8 days, P = not significant) were similar in obese and nonobese patients. Conclusions The results of this large case-matched study suggest that laparoscopic approach for colorectal surgery is feasible and safe in obese patients.
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