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Research Article

Psychological Intervention Influences the Outcome of Laparoscopic Antireflux Surgery in Patients with Stress-related Symptoms of Gastroesophageal Reflux Disease

Pages 800-805 | Published online: 08 Jul 2009
 

Abstract

Background: Psychological aspects such as stress, emotions, illness behaviour or personality are known to affect the severity of symptoms of gastroesophageal reflux disease (GERD) and can influence medical outcome in some patients. The aim of the present study was to evaluate the efficacy of psychological intervention within routine surgical care on the surgical outcome of laparoscopic antireflux surgery (LARS) in patients with stress-ralated GERD symptoms during a 1-year follow-up. Methods: Out of a sample of 196 consecutive patients who required LARS (Nissen fundoplication), a group of 89 (45%) believed that stress was a factor in the cause of their symptoms (stress-related versus stress-unrelated GERD patients). Patients with stress-related symptoms were randomly assigned to the psychological intervention (PI group; n = 42) or control group with routine surgical care (RC group; n = 42). Five patients were excluded from the study. Assessments of surgical outcome were: objective clinical data such as DeMeester score or lower oesophageal sphincter pressure, Gastrointestinal Quality-of-Life Index (GIQLI), evaluation of potential side effects such as subjective degree of dysphagia, general impairment as a result of LARS, and patient satisfaction with surgery. Results: There were no significant differences in objective clinical data between the different treatment groups before and after surgery. Before surgery, patients with stress-related symptoms had a lower GIQLI and an increased spectrum of gastrointestinal (GI) symptoms compared with patients without stress-related symptoms. A significant impact (P < 0.05-0.01) of psychological intervention on quality-of-life data, especially in GI symptoms, degree of dysphagia and general impairment, could be calculated after surgery. No differences in satisfaction with therapy were detectable. Comparing outcome, no significant differences between patients without stress-related GERD symptoms and the PI group were found. Generally, quality-of-life data in all patients improved significantly and patient satisfaction was excellent or good in 98.9% one year after surgery. In two patients a laparoscopic refundoplication was neccessary because of a 'slipping Nissen'. Conclusions: These findings indicate that there is no impact of psychological intervention on objective clinical data. Patients with stress-related GERD symptoms profit significantly from psychological intervention in patient-related factors of surgical outcome such as quality of life or degree of several aspects such as dysphagia and general impairment. Generally, LARS in patients with stress-related GERD symptoms is an effective and safe procedure which improves quality of life with fewer side effects. Psychological intervention reduces non GERD-related GI symptoms and makes the outcome comparable to the outcome of patients without stress-related symptoms. We therefore suggest that surgical treatment alone in patients with stress-related GERD symptoms is incomplete and that psychological intervention can optimize surgical outcome in these patients.

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