The Journal of surgical research · 2014
Obesity does not increase morbidity of laparoscopic cholecystectomy.
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Afaneh Cheguevara, Abelson Jonathan, Rich Barrie S, Dakin Gregory, Zarnegar Rasa, Barie Philip S, Fahey Thomas J, Pomp Alfons
Аннотация
BACKGROUND: Obesity has historically been a positive predictor of surgical morbidity, especially in the morbidly obese. The purpose of our study was to compare outcomes of obese patients undergoing laparoscopic cholecystectomy (LC).
METHODS: We reviewed 1382 consecutive patients retrospectively who underwent LC for various pathologies from January 2008 to August 2011. Patients were stratified based on the World Health Organization definitions of obesity: nonobese (body mass index [BMI] < 30 kg/m(2)), obesity class I (BMI 30-34.9 kg/m(2)), obesity class II (BMI 35-39.9 kg/m(2)), and obesity class III (BMI ≥ 40 kg/m(2)). The primary end points were conversion rates and surgical morbidity. The secondary end point was length of stay.
RESULTS: There were significantly more females in the obesity II and III groups (P = 0.0002). American Society of Anesthesiologists scores were significantly higher in the obesity I, II, and III groups compared with the nonobese (P < 0.05; P < 0.01; and P < 0.0001, respectively). Independent predictors of conversion on multivariate analysis (MVA) included age (P = 0.01), acute cholecystitis (P = 0.03), operative time (P < 0.0001), blood loss (P < 0.0001), and fellowship-trained surgeons (P < 0.0001). Independent predictors of intraoperative complications on MVA included age (P = 0.009), white patients (P = 0.009), previous surgery (P = 0.001), operative time (P < 0.0001), and blood loss (P = 0.01). Independent predictors of postoperative complications on MVA included American Society of Anesthesiologists score (P < 0.0001), acute cholecystitis (P < 0.0001), and a postoperative complication (P < 0.0001). BMI was not a predictor of conversions or surgical morbidity. Length of stay was not significantly different between the four groups.
CONCLUSIONS: This study demonstrates that overall conversion rates and surgical morbidity are relatively low following LC, even in obese and morbidly obese patients.
METHODS: We reviewed 1382 consecutive patients retrospectively who underwent LC for various pathologies from January 2008 to August 2011. Patients were stratified based on the World Health Organization definitions of obesity: nonobese (body mass index [BMI] < 30 kg/m(2)), obesity class I (BMI 30-34.9 kg/m(2)), obesity class II (BMI 35-39.9 kg/m(2)), and obesity class III (BMI ≥ 40 kg/m(2)). The primary end points were conversion rates and surgical morbidity. The secondary end point was length of stay.
RESULTS: There were significantly more females in the obesity II and III groups (P = 0.0002). American Society of Anesthesiologists scores were significantly higher in the obesity I, II, and III groups compared with the nonobese (P < 0.05; P < 0.01; and P < 0.0001, respectively). Independent predictors of conversion on multivariate analysis (MVA) included age (P = 0.01), acute cholecystitis (P = 0.03), operative time (P < 0.0001), blood loss (P < 0.0001), and fellowship-trained surgeons (P < 0.0001). Independent predictors of intraoperative complications on MVA included age (P = 0.009), white patients (P = 0.009), previous surgery (P = 0.001), operative time (P < 0.0001), and blood loss (P = 0.01). Independent predictors of postoperative complications on MVA included American Society of Anesthesiologists score (P < 0.0001), acute cholecystitis (P < 0.0001), and a postoperative complication (P < 0.0001). BMI was not a predictor of conversions or surgical morbidity. Length of stay was not significantly different between the four groups.
CONCLUSIONS: This study demonstrates that overall conversion rates and surgical morbidity are relatively low following LC, even in obese and morbidly obese patients.