Irritable bowel syndrome detection faster with new breath and blood tests

By: Emily Lunardo | Colon And Digestive | Wednesday, May 25, 2016 - 12:30 PM

Irritable bowel syndrome fast detectionIrritable bowel syndrome (IBS) detection is faster with new breath and blood tests. There is currently no specific diagnostic test for IBS, but a new breath test has identified 16 different substances that can be used to confirm a diagnosis of IBS when measured together.

Researchers examined the breaths from 170 IBS patients and 153 healthy controls, along with 1,307 participants from the general public. The combination of the 16 substances correctly identified IBS in 89.4 percent of the IBS patients and 73.3 percent in the healthy controls. Results were particularly abnormal in patients with severe intestinal symptoms.

Senior author Professor Frederik-Jan van Schooten said, “Now we know which chemicals in breath have diagnostic information that we can use to develop noninvasive tools to follow the disease and to steer therapeutic interventions. This will definitely make a difference in quality of life for patients suffering from this functional gastrointestinal disorder.”

Irritable bowel syndrome can now be diagnosed quickly and accurately with blood tests: Previous study

Previous research found that irritable bowel syndrome can effectively be diagnosed with blood tests. Salmonella produces toxins, which can harm the digestive tract. The blood tests identify the specific antibodies reacting to these toxins. Creator Mark Pimentel said, “Having an early diagnosis means patients can avoid years of invasive tests and visits to specialists that often leave them with more questions than answers. With these new blood tests, many patients will now be able to proceed right to therapy for their condition.”

Until now, IBS was nearly impossible to diagnose and was characterized by a combination of symptoms including bloating, gas, abdominal pain, diarrhea, and constipation.

The researchers studied nearly 3,000 individuals, comparing IBS patients with IBD (inflammatory bowel disease) patients, celiac patients, and patients with no digestive disorder. The study identified two antibodies related to IBS with greater than 90 percent certainty.

Pimentel added, “Most IBS patients have been told at one time or another that the disease was psychological, all in their head. The fact that we can now confirm the disease through their blood, not their head, is going to end a lot of the emotional suffering I have seen these patients endure.”

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