Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery · 2019
Banded versus nonbanded Roux-en-Y gastric bypass: a systematic review and meta-analysis of randomized controlled trials.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Shoar Saeed, Khorgami Zhamak, Brethauer Stacy A, Aminian Ali
Аннотация
BACKGROUND: Bariatric surgery is remarkably effective in achieving weight loss and improving obesity-related co-morbidities; however, efforts still continue to improve its long-term outcomes. Particularly, banded Roux-en-Y gastric bypass (RYGB) has been scrutinized in comparison to standard (nonbanded) RYGB in terms of benefits and postoperative complications.
OBJECTIVES: This study aims to compare the safety and efficacy of banded versus nonbanded RYGB.
SETTING: Meta-analysis of randomized controlled trials (RCTs).
METHODS: A meta-analysis of high-quality studies that compared banded and nonbanded RYGB was conducted through February 2019 by systematically searching multiple electronic databases. Published RCTs comparing these 2 procedures were included to pool the data on excess weight loss, food tolerability, and postoperative complications.
RESULTS: Three RCTs were eligible to be included in this meta-analysis, comprising a total of 494 patients (247 in each group). Two of the RCTs provided 2-year postoperative data, and 1 study reported 5-year outcome. Age ranged from 21 to 50 years, and body mass index ranged from 42 to 65 kg/m2. Percentage of excess weight loss was significantly greater with banded RYGB than with nonbanded RYGB (mean difference 5.63%; 95% CI 3.26-8.00; P < .05). Postoperative food intolerance, emesis, and dysphagia were more common after banded RYGB (odds ratio 3.76; 95% CI 2.27-6.24; P < .001). Nevertheless, major postoperative complications did not significantly differ between the 2 groups.
CONCLUSION: Findings of this meta-analysis of RCTs indicate that in a medium-term follow-up, excess weight loss with banded RYGB would be 5% greater than that with the nonbanded RYGB (about 1 point difference in body mass index) at the expense of more food intolerance and postoperative vomiting; however, the frequency of postoperative complications would not be significantly different.
OBJECTIVES: This study aims to compare the safety and efficacy of banded versus nonbanded RYGB.
SETTING: Meta-analysis of randomized controlled trials (RCTs).
METHODS: A meta-analysis of high-quality studies that compared banded and nonbanded RYGB was conducted through February 2019 by systematically searching multiple electronic databases. Published RCTs comparing these 2 procedures were included to pool the data on excess weight loss, food tolerability, and postoperative complications.
RESULTS: Three RCTs were eligible to be included in this meta-analysis, comprising a total of 494 patients (247 in each group). Two of the RCTs provided 2-year postoperative data, and 1 study reported 5-year outcome. Age ranged from 21 to 50 years, and body mass index ranged from 42 to 65 kg/m2. Percentage of excess weight loss was significantly greater with banded RYGB than with nonbanded RYGB (mean difference 5.63%; 95% CI 3.26-8.00; P < .05). Postoperative food intolerance, emesis, and dysphagia were more common after banded RYGB (odds ratio 3.76; 95% CI 2.27-6.24; P < .001). Nevertheless, major postoperative complications did not significantly differ between the 2 groups.
CONCLUSION: Findings of this meta-analysis of RCTs indicate that in a medium-term follow-up, excess weight loss with banded RYGB would be 5% greater than that with the nonbanded RYGB (about 1 point difference in body mass index) at the expense of more food intolerance and postoperative vomiting; however, the frequency of postoperative complications would not be significantly different.