Table 2.
Ref. | Study period | No. of patients (follow-up) | Type of surgery | BMI on bariatric surgery (kg/m2, mean) | BMI loss between bariatric surgery and MSA (kg/m2, range) | BMI on MSA implan-tation (kg/m2, mean) | Mean period between surgery and MSA (mo) | Pre-operative GERD-HRQL score | Post-operative GERD-HRQL score | Compli-cations/ satis-faction |
Desart et al[44], 2015 | 2014-2015 | 7 (7) | 7 LSG | 50.7 | 9.4-25.5 | NA | 18.1 | 17-18 | 5-6 | NA/All patients satisfied |
Hawasli et al[45], 2018 | 2015-2017 | 13 (13) | 13 LSG | 46 | NA | 33 (21-44 range) | 43 | 47 (mean) | 12 (mean) | 1 Severe dysphagia-device removal/NA |
Broderick et al[46], 2019 | 2014-2018 | 13 (6 with GERD-HRQL score) | 8 LSG 4 LRYGB 1 DS | NA | NA | 30.1 | NA | 15-45 | 5-13 | 2 endoscopic dilations/All patients satisfied |
Cumu-lative Data | 2014-2018 | 33 (26) | 34 LSG 4 LRYGB 1 DS | Not enough information to compile cumulative data |
LSG: Laparoscopic sleeve gastrectomy; LRYGB: Laparoscopic Roux-en-Y gastric bypass; DS: Duodenal switch; MSA: Magnetic sphincter augmentation; N.A.: Not available.