Blind Loop Syndrome

Below you will find more information about Blind Loop Syndrome from Medigest. If you believe that you are suffering from any of the symptoms of Blind Loop Syndrome it is important that you obtain an accurate diagnosis from a medical professional to ensure that you obtain the correct medication or treatment for your condition. There are medical conditions that carry similar symptoms associated with Blind Loop Syndrome and therefore the information provided by Medigest is offered as a guideline only and should never be used in preference to seeking professional medical advice. The information relating to Blind Loop Syndrome comes from a third party source and Medigest will not be held liable for any inaccuracies relating to the information shown.


Blind loop syndrome pertains to a condition wherein part of the small intestine is cut off or bypassed from the normal flow of food and digestive fluids. It is also alternatively known as stagnant loop syndrome or stasis syndrome.


Initial diagnostic tests to determine blind loop syndrome are abdominal x-rays or abdominal CT scans. Additional tests are often recommended to screen for potential bacterial growth. Other tests that may lead to diagnosis include: barium x-ray of the small intestine; hydrogen breath test; D-xylose breath test; bile acid breath test; quantitative fecal fat test; and small intestine aspirate and fluid culture.


Treatment for blind loop syndrome commonly starts by first dealing with the underlying condition. For example, if resulting from gastric surgery, another surgery may be done to repair the postoperative blind loop. In most cases, however, the blind loop cannot be completely reversed. In such cases, treatment is focused on addressing nutritional deficiencies as well as dealing with bacterial overgrowth.

Symptoms and Signs

Blind loop syndrome particularly affects the functions of digestion and absorption. It typically presents with the following symptoms: appetite loss; intense abdominal pain; nausea; steatorrhea or foul-smelling fatty stools; sensation of bloating; sensation of fullness after eating; diarrhea; and unintended weight loss.


Blind loop syndrome may be triggered by a number of factors, including: as a consequence of undergoing recent gastric surgery such as gastric bypass surgery for obesity and Billroth II or Roux-en-Y procedures for ulcers; along with a range of medical conditions that may lead to bacterial growth, such as scheroderma and diabetes.

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