Adjustable gastric band can cause stomach erosion and other adverse events

According to the Canadian DrugAdverse ReactionsNotice, between November 2002 and June 2007, Health Canada received 19 reports of suspicious adverse events related to Swedish adjustable gastric band (SAGB) and 17 related to improved SAGBOf these 36 reports, 13 cases were gastric band erosion, and other adverse events included gastric band sliding, leakage, abscesses, difficulty swallowing and food refluxFinally, 35 reports remove the gastric bandSAGB is a type of adjustable gastric band tied to the stomach, suitable for the treatment of adult pathological obesityThe gastric band consists of a reinforced silica ester gastric band attached to the stomach wall and an injection port placed under the skin and connected to the gastric band through a pipe and gastric bandSAGB reduces food intake and can expand and shrink withweight lossrequirementsSAGB was originally licensed for sale in Canada in November 2002The improved SAGB-QC was also approved for sale in August 2004Gastric band erosion is listed as a possible adverse event in the label of the device, gastric band erosion is defined as: part of the gastric belt corrosion of the entire layer of the stomach wall, moved into the inner cavityIt represents a complete failure of gastric band placementAlthough the rate of gastric band erosion varies widely from published research, the evidence in the medicalliteratureshows that the incidence of gastric band erosion is almost linearly related to postoperative time, and can diagnose erosion even after more than 5 years Gastric band erosion is usually asymptomatic or only mild initial symptoms, which can be well diagnosed, but not included in follow-up in asymptomatic patients; In addition, stomach erosion causes dense scarring and distorted tissue to make it more difficult to review (Huang Qiang)