| Study, Year | Goal | Sample Size (N), Race, Sex, and Age | Co-Intervention | Baseline BMIa (mean kg/m2) |
Duration | Groups | Weight Change | Between-Group Difference | P-value | Patients Lost to Followup and Adverse Effects | Trial Quality |
|---|---|---|---|---|---|---|---|---|---|---|---|
| de Wit et al., 2002100 | L | N: 50 Race: NR Female: 68% |
NR | 1 yr | ASBG: | Loss to followup: 2%
Surgical complications Access port complications Mean hospital stay (days) Patients with readmission |
Fair | ||||
| 51.3 (laparoscopic) | laparoscopic | -35.0 kg | -1.4 kg | NS | |||||||
| 49.7 (open) | open | -34.4 kg | |||||||||
| Weiner et al., 2001102 | L | N: 101 Race: NR Female: 85% |
"Interdisciplinary obesity surgery program" | Placement of laparoscopic ASGB: | |||||||
| 49.5 (esophagogastric) | 18 mos | Esophagogastric | Data in graph form: > 40 kg loss in both groups | NR | NS | Loss to followup: 4%
Band slippage Pouch dilation Esophageal dilation Hunger at 18 mos Dysphagia at 18 mos Recurrent vomiting at 18 mo Esophagitis at 18 mos |
Fair | ||||
| 48.5 (retrogastric) | Retrogastric | ||||||||||
| Weiss et al., 2002101 | L | N: 52 Race: NR Female: 90% |
NR | Placement of laparoscopic ASGB: | Median BMI | ||||||
| 42.5 (gastric) | 23-24 mos | Gastric | -17.4 kg/m2 | 1.5 kg/m2 | NS | Loss to followup: NR Mortality: NR Conversion to open surgery Gastric: 3.6% Esophagogastric: 3.8% Need for reoperation Gastric: 10.7% Esophagogastric: 19.2% Heartburn at 2 yrs Gastric: 11.1% Esophagogastric: 14.3% Dysphagia at 2 yrs Gastric: 0% Esophagogastric: 57.1% |
Fair | ||||
| 41.8 (esophagogastric) | Esophagogastric | -18.9 kg/m2 | |||||||||
| 25% loss | |||||||||||
| Gastric | 100% | 0% | |||||||||
| Esophagogastric | 100% | ||||||||||
| Gain | |||||||||||
| Gastric | 0% | 0% | |||||||||
| Esophagogastric | 0% | ||||||||||
|
Notes: ASGB, adjustable silicone gastric banding; L, weight loss; NR, not reported. aPresented as baseline mean or range unless otherwise noted. |
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