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Electrical stimulation could help bowel dysfunction after spinal cord injury

According to the National Spinal Cord Injury Statistical Center, approximately 18,000 new spinal cord injuries occur each year in the United States. Spinal cord injuries often lead to serious constipation or incontinence, tell me about the drug diovan which can lead to decreased quality of life and may even be life-threatening. After a spinal cord injury, 41% of patients rated bowel dysfunction as a severe life-limiting problem.

To address these challenges, Dr. Hangue Park, assistant professor in the Department of Electrical and Computer Engineering at Texas A&M University, is looking into the utilization of closed-loop electrical stimulation on the colon to promote the natural rhythm of the digestive system. This would ultimately negate the adverse effects caused by spinal cord injury and promote functional recovery.

“Although the effect of electrical stimulation on promoting effective colon movement has been previously investigated, no previous study has yet investigated the result of closed-loop electrical stimulation on promoting colon movement,” Park said.

Traditional open-loop electrical stimulation has been previously proven successful in triggering colonic peristalsis, which is the natural constriction and relaxation of the muscles in the digestive tract. However, Park is looking into closed-loop E-stim because of its unique offering to regulate stimulation. Closed-loop stimulation occurs at a strategic time that allows researchers to work with the colon at a specific time during the digestive process and is regulated, whereas open-loop stimulation occurs at random times and is not regulated, leading to inconsistent benefit. Closed-loop stimulation allows Park and his team to work with the intrinsic movement of the colon and augment the naturally occurring processes, just at a decreased rate due to the patient’s injury.

Park and his team are still researching that strategic timing. They are investigating when the colon’s sensory or motor signal is ready for augmented stimulation, which can be a very complex answer as the colon is still a mystery to researchers in many ways.

“The motivation of this work is to offer spinal cord injury patients, as well as their caregivers, a higher quality of life,” Park said.

Park is a member of the Texas A&M Spinal Cord Initiative, which fosters collaborative research to discover new treatments that promote recovery after spinal cord injury.

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