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Introduction
To analyze the safety and long-term result of bariatric surgery in patients with psychiatric disorders.
Material and methods
From January 2009 to December 2018,
n
= 961 patients underwent bariatric surgery in a tertiary center. Among them, two groups of patients were created: a group of patients with psychiatric disorders (PG) and a group without psychiatric disorders (CG), using a propensity score matched (PSM). Primary endpoint was long-term outcomes and secondary endpoints were the postoperative morbidity 90 days after surgery, late morbidity, occurrence of psychiatric adverse events, and resolution of obesity-related comorbidities.
Results
Analysis with PSM permitted to compare 136 patients in each group, with a ratio 1:1. TWL% at 2 years in the PG was 32.7% versus 36.6% in the CG (
p
= 0.002). Overall surgical morbidity was higher in the PG than the CG (28% vs 17%,
p
= 0.01). Severe surgical complications were not statistically significant (4% vs 3%,
p
= 0.44). Psychiatric adverse events were significantly more frequent in the PG than in the CG. The resolution of obesity comorbidities was equivalent for both groups at 2 years.
Conclusion
Substantial weigh loss was reported among patients with psychiatric disorders receiving bariatric surgery at the cost of more non-severe surgical complications. Further, a psychiatric postoperative follow-up visit may be warranted for patients with preoperative psychiatric disorders, given the incidence of psychiatric adverse events.