Prevalence of mental disorder and impact on quality of life in inflammatory bowel disease.

INTRODUCTION: Different studies have described psychiatric comorbidities in inflammatory bowel disease (IBD) patients, but most of them focus mainly on depression and anxiety. Even though major mental disorders are considered one of the main factors that decrease quality of life (QoL), its role in IBD patients remains unclear. We sought to identify the prevalence of different mental disorders as well as its relationship with QoL. PATIENTS AND METHODS: Subjects were recruited from the IBD Clinic. IBD Questionnaire 32 and structured clinical interview (SCID) for DMS-IV Text Revision were applied. Demographic and clinical data were collected via self-report questionnaires and medical records. The correlation between mental disorders and QoL (IBDQ-32 score) was evaluated using the Spearman correlation test. RESULTS: In all, 104 patients were recruited, 12 with Crohn's disease, and 92 with ulcerative colitis. The prevalence of any major mental disorder was 56.7%: anxiety (44.2%), mood (27.9%), substance use (12.2%), and other psychiatric diagnoses (17.3%), and 29.8% of the patients presented three or more comorbid diagnoses. Mental Disorder (p=0.005), mood disorder (p=0.004), anxiety disorder (p=0.009), were found to be significantly associated with lower QoL. Substance use disorder was associated with lower Digestive QoL (p=0.01). Major depressive disorder (p=0.004), social phobia (p=0.03), PTSD (p=0.02), and Generalized Anxiety Disorder (p<0.001), were found to be significantly associated with lower QoL. CONCLUSIONS: IBD patients had important psychiatric comorbidity that significantly affects their QoL. These results warrant a systematic evaluation of psychiatric conditions in IBD patients.

Depression and Anxiety Disorders Impact in the Quality of Life of Patients with Inflammatory Bowel Disease.

OBJECTIVE: Anxiety and depression have a negative influence in the quality of life. The aim of the study was to determinate the levels of sensitivity and specificity of the Anxiety and Hospital Depression Scale (HADS) and compare the quality of life in patients with inflammatory bowel disease (IBD) and depression or anxiety. METHODS: This study included 104 patients with diagnosis of IBD. Each patient received psychiatric intervention with SCID-I (Structured Clinical Interview for DSMIV Axis I Disorders) instrument as a gold standard to stablish the cut-off points of HADS. Quality of life was also evaluated with IBDQ-32. Demographic and clinical variables were collected. RESULTS: Most of the patients reported a high quality of life (73.1%, n = 76), while 25.0% (n = 26) express a moderate quality of life. The ROC curves for both psychiatric entities showed an adequate discriminative capacity of the HADS-anxiety dimension (AUC = 0.84, 95%CI = 0.76-0.92) with a limited discriminability of the HADS-depression dimension (AUC = 0.58, 95%CI = 0.46-0.70) using the proposed scoring of 8 as a cut-off point. CONCLUSIONS: Anxiety and depression impact negatively in the quality of life in Mexican patients with IBD. The Mexican version of HADS had acceptable internal consistency and external validity, with moderate sensitivity and specificity for clearly identifying clinical cases of anxiety and depression in patients with IBD.