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Home SCIENCE NEWS Medicine & Health

First endoscopic stricturotomy with needle knife study for intestinal strictures in IBD

April 28, 2017
in Medicine & Health
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Cleveland Clinic doctors have published the first study illustrating the safety and efficacy of endoscopic needle knife therapy for intestinal strictures in patients with inflammatory bowel disorder (IBD).

"We pioneered this procedure," said Bo Shen, MD, Medical Director of Cleveland Clinic's IBD Center. "And our research shows that it is effective and can have advantages over other conventionally used treatments, such as medical therapy, balloon dilation and surgery."

Shen's study, which was co-authored with research fellow Nan Lan, MD, was featured as the cover story in the April 2017 issue of the journal Inflammatory Bowel Diseases. Dr. Lan will present their findings in May at Digestive Disease Week 2017.

In their study, Drs. Shen and Lan reviewed the records of 85 patients with strictures treated by needle knife stricturotomy (NKSt) between 2008 and 2016 at Cleveland Clinic's Center for Inflammatory Bowel Disease.

Because many patients had multiple strictures, there were a total of 231 NKSts performed on the 85 subjects. Passage of the scope through each stricture was achieved in 100 percent of the patients.

Developing nonsurgical treatments for IBD patients such as NKSt results in better quality of life, according to Dr. Shen. "Multiple bowel resection surgeries can shorten patients' intestinal tracts while noninvasive procedures preserve them."

Strictures, the narrowing of the intestines due to inflammation and scarring, are a common side effect of IBD. Patients with Crohn's disease or, to a lesser degree, ulcerative colitis after surgery, often develop them as their conditions progress. Strictures also may occur after a bowel resection. They can cause abdominal pain, diarrhea, nausea, vomiting, weight loss and malnutrition.

To treat strictures, physicians typically have turned to surgery or a procedure called endoscopic balloon dilation (EBD) that stretches out the constricted area, however, this therapy carries a risk of perforation and intestinal bleeding, and usually the therapeutic effect typically lasts only three to six months before the stricture returns.

The interval between endoscopic and surgical interventions and the interval from the treatment to the return of the stricture was longer, Drs. Shen and Lan found, if patients first had NKSt. "For example, if you need EBD every three months, you need it every six months after NKSt," said Dr. Shen.

Dr. Shen was already experienced in using endoscopic needle-knife technology to treat strictures in the upper GI tract when he decided it might be a good alternative therapy for IBD patients with strictures in the lower GI track.

He says the technology allows physicians to be much more precise when opening up strictures. "You have more control over how deep you cut and where you cut," he said. "This is a major advantage."

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About Cleveland Clinic

Cleveland Clinic is a nonprofit multispecialty academic medical center that integrates clinical and hospital care with research and education. Located in Cleveland, Ohio, it was founded in 1921 by four renowned physicians with a vision of providing outstanding patient care based upon the principles of cooperation, compassion and innovation. Cleveland Clinic has pioneered many medical breakthroughs, including coronary artery bypass surgery and the first face transplant in the United States. U.S. News & World Report consistently names Cleveland Clinic as one of the nation's best hospitals in its annual "America's Best Hospitals" survey. Among Cleveland Clinic's 51,000 employees are more than 3,500 full-time salaried physicians and researchers and 14,000 nurses, representing 140 medical specialties and subspecialties. Cleveland Clinic's health system includes a 165-acre main campus near downtown Cleveland, 10 regional hospitals, more than 150 northern Ohio outpatient locations – including 18 full-service family health centers and three health and wellness centers – and locations in Weston, Fla.; Las Vegas, Nev.; Toronto, Canada; Abu Dhabi, UAE; and London, England. In 2016, there were 7.1 million outpatient visits, 161,674 hospital admissions and 207,610 surgical cases throughout Cleveland Clinic's health system. Patients came for treatment from every state and 180 countries. Visit us at clevelandclinic.org. Follow us at twitter.com/ClevelandClinic.

Media Contact

Alicia Reale
[email protected]
@ClevelandClinic

http://www.clevelandclinic.org

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