Risk of suicide and non-fatal self-harm after bariatric surgery: results from two matched cohort studies

Publication date: Available online 9 January 2018 Source:The Lancet Diabetes & Endocrinology Author(s): Martin Neovius, Gustaf Bruze, Peter Jacobson, Kajsa Sjöholm, Kari Johansson, Fredrik Granath, Johan Sundström, Ingmar Näslund, Claude Marcus, Johan Ottosson, Markku Peltonen, Lena M S Carlsson Background Bariatric surgery reduces mortality, but might have adverse effects on mental health. We assessed the risk of suicide and self-harm after bariatric surgery compared with non-surgical obesity treatment. Methods Suicide and non-fatal self-harm events retrieved from nationwide Swedish registers were examined in two cohorts. The non-randomised, prospective Swedish Obese Subjects (SOS) study compared bariatric surgery (n=2010; 1369 vertical-banded gastroplasty, 376 gastric banding, and 265 gastric bypass) with usual care (n=2037; recruitment 1987–2001). The second cohort consisted of individuals from the Scandinavian Obesity Surgery Registry (SOReg; n=20 256 patients who had gastric bypass) matched to individuals treated with intensive lifestyle modification (n=16 162; intervention 2006–13) on baseline BMI, age, sex, education level, diabetes, cardiovascular disease, history of self-harm, substance misuse, antidepressant use, anxiolytics use, and psychiatric health-care contacts. Findings During 68 528 person-years (median 18; IQR 14–21) in the SOS study, suicides or non-fatal self-harm events were higher in the surgery group (n=87) than in...
Source: The Lancet Diabetes and Endocrinology - Category: Endocrinology Source Type: research