Psychological factors affecting functional gastrointestinal disorders

P. Porcelli, O. Todarello

Research output: Chapter in Book/Report/Conference proceedingChapter

14 Citations (Scopus)

Abstract

Functional gastrointestinal disorders are a variable combination of chronic or recurrent medically unexplained gastrointestinal symptoms. They can be conceptualized within the biopsychosocial model of illness as a dysregulation of the brain-gut axis and its relationships with psychosocial variables (psychopathology, health care seeking, life events, somatosensory amplification). Psychopathology may be undetected with the standard psychiatric criteria, particularly at a subclinical level. Using the new classification of the Diagnostic Criteria for Psychosomatic Research (DCPR) for assessing psychosocial components of somatic illnesses, psychosomatic syndromes were found at a prevalence of 2.5 times greater than DSM-IV diagnoses. In particular, alexithymia, persistent somatization, functional somatic symptoms secondary to a psychiatric disorder, and demoralization were the most prevalent syndromes. Furthermore, psychosomatic severity (as measured with the presence of more than one DCPR conditions) strongly predicted the treatment outcome in patients with functional gastrointestinal disorders. In particular, alexithymia and persistent somatization were independent predictors of unimprovement (and health anxiety of improvement) after 6 months of treatment as usual, after controlling for gastrointestinal symptoms at baseline. DCPR may therefore be suggested as a reliable assessment instrument for psychological conditions that are relevant for psychosomatic practice and research settings but that are not included in the DSM-IV.

Original languageEnglish
Title of host publicationAdvances in Psychosomatic Medicine
Pages34-56
Number of pages23
Volume28
DOIs
Publication statusPublished - 2007

Publication series

NameAdvances in Psychosomatic Medicine
Volume28
ISSN (Print)00653268

Fingerprint

Gastrointestinal Diseases
Psychology
Affective Symptoms
Psychopathology
Research
Diagnostic and Statistical Manual of Mental Disorders
Psychiatry
Anxiety
Delivery of Health Care
Health
Brain
Medically Unexplained Symptoms
Therapeutics

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Porcelli, P., & Todarello, O. (2007). Psychological factors affecting functional gastrointestinal disorders. In Advances in Psychosomatic Medicine (Vol. 28, pp. 34-56). (Advances in Psychosomatic Medicine; Vol. 28). https://doi.org/10.1159/0000106796

Psychological factors affecting functional gastrointestinal disorders. / Porcelli, P.; Todarello, O.

Advances in Psychosomatic Medicine. Vol. 28 2007. p. 34-56 (Advances in Psychosomatic Medicine; Vol. 28).

Research output: Chapter in Book/Report/Conference proceedingChapter

Porcelli, P & Todarello, O 2007, Psychological factors affecting functional gastrointestinal disorders. in Advances in Psychosomatic Medicine. vol. 28, Advances in Psychosomatic Medicine, vol. 28, pp. 34-56. https://doi.org/10.1159/0000106796
Porcelli P, Todarello O. Psychological factors affecting functional gastrointestinal disorders. In Advances in Psychosomatic Medicine. Vol. 28. 2007. p. 34-56. (Advances in Psychosomatic Medicine). https://doi.org/10.1159/0000106796
Porcelli, P. ; Todarello, O. / Psychological factors affecting functional gastrointestinal disorders. Advances in Psychosomatic Medicine. Vol. 28 2007. pp. 34-56 (Advances in Psychosomatic Medicine).
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