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Psychological Trauma Tied to Irritable Bowel Syndrome

By Senior News Editor
Reviewed by John M. Grohol, Psy.D. on November 1, 2011

A new study suggests the cumulative effects of psychological and emotional traumas may contribute to adult irritable bowel syndrome (IBS).

In the study, Mayo Clinic researchers found that childhood and adult traumas — such as the death of a loved one, divorce, natural disaster, house fire or car accident, physical or mental abuse — are more common among adults with IBS, but to a lesser degree among affected and unaffected case relatives.

In addition, general life traumas were more commonly reported than physical, emotional or sexual abuse. Of the 2623 study participants, patients reported more traumas over a lifetime than controls — with traumas common before age 18 as well as after age 18.

“While stress has been linked to IBS, and childhood abuse has been reported to be present in up to 50 percent of patients with IBS, at a prevalence twice that of patients without IBS, most studies of abuse have focused on sexual abuse with sparse detail and also have not looked at other forms of psychological trauma,” said Yuri Saito-Loftus, M.D.

“This is the first study that looks at multiple forms of trauma, the timing of those traumas, and traumas in a family setting.”

IBS is a chronic functional gastrointestinal disorder which for many sufferers is marked by abdominal discomfort, bloating, constipation and/or diarrhea.

Scientists believe IBS is caused by changes in the nerves and muscles that control sensation and motility of the bowel. IBS is 1.5 times more common in women than in men and is most commonly diagnosed in people under the age of 50.

Trauma may sensitize the brain and the gut, according to Saito-Loftus, who said that the results of this study indicate that patients with IBS experience or report traumas at a level higher than patients without IBS.

In the United States, it is estimated that 10-15 percent of the adult population suffers from IBS symptoms, yet only 5 to 7 percent of adults have been diagnosed with the disease.

IBS significantly affects quality of life as patients make more visits to their physicians, undergo more diagnostic tests, are prescribed more medications, miss more workdays, have lower work productivity, are hospitalized more frequently, and account for greater overall direct healthcare costs than patients without IBS.

In fact, the burden of illness for IBS can have such a severe impact on Health-Related Quality of Life that it has been linked to an increase in suicidal behavior.

“Patients and their families frequently wonder, ‘why me?’, ‘why did this [IBS] happen?,’” said┬áSaito-Loftus. She said it’s important for patients and their health care providers to understand the potential link between prior stressful experiences and IBS.

“This will help them understand why IBS happened to them, why stress continues to play a role in their IBS symptoms.”

Saito-Loftus urged patients and providers to understand the role of stress and its impact on individuals with IBS.

“Someone who thinks they have coped with their traumatic experiences adequately on their own and continues to have IBS symptoms should be encouraged to explore professional evaluation and treatment for traumatic life experiences,” she said.

The findings were reported at the American College of Gastroenterology’s (ACG) 76th Annual Scientific meeting in Washington, D.C.

Source: American College of Gastroenterology

 

APA Reference
Nauert, R. (2011). Psychological Trauma Tied to Irritable Bowel Syndrome. Psych Central. Retrieved on December 19, 2014, from http://psychcentral.com/news/2011/11/01/psychological-trauma-tied-to-irritable-bowel-syndrome/30933.html