LINX® reflux management system to bridge the “treatment gap” in gastroesophageal reflux disease: A systematic review of 35 studies

Table 2 Demographic and clinical characteristics of bariatric patients with magnetic sphincter augmentation devices

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-operativeGERD-HRQL score	Post-operativeGERD-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.