Impact of gastrointestinal symptoms and psychological disturbances on patients' quality of life after restrictive or malabsorptive bariatric surgery.

Aim: The aim of this study was to evaluate and compare the presence and impact of Gastrointestinal (GI) symptoms, physical and psychological disturbances on patients' QoL after sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB) and biliopancreatic diversion with duodenal switch (BPD/DS).
Methods: A prospective, observational, cross-sectional, comparative study was carried-out. GI symptoms and patients' QoL were evaluated by the SF-36 questionnaire and the GI quality of life index (GIQLI). Correlation between GI symptoms, psychological disturbances and QoL scores was analysed.
Results: 95 patients were included (mean age 50.5 years, range 22-70; 76 females). Presence of GI symptoms was a consistent finding in all patients, and postprandial fullness, abdominal distention and flatulence had a negative impact on patients' QoL. Patients after SG showed a worsening of their initial psychological condition and the lowest QoL scores. Patients after RYGB showed the best GI symptoms-related QoL.
Conclusions: Both restrictive and malabsorptive bariatric surgical procedures are associated with GI symptoms negatively affecting patients' QoL. Compared to SG and BPD/DS, patients after RYGB showed the best GI symptoms-related QoL, which can be used as additional information to help in the clinical decision making of the bariatric procedure to be performed.
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