ORiginal Article : Effects of the Temporary Placement of a Self-Expandable Metallic Stent in Benign Pyloric Stenosis
분야
의약학 > 내과학
저자
( Won Jae Choi ) , ( Jong Jae Park ) , ( Jain Park ) , ( Eun Hye Lim ) , ( Moon Kyung Joo ) , ( Jae Won Yun ) , ( Hye Jin Noh ) , ( Sung Ho Kim ) , ( Woo Seok Choi ) , ( Beom Jae Lee ) , ( Ji Hoon Kim ) , ( Jong Eun Yeon ) , ( Jae Seon Kim ) , ( Kwan Soo
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대한간학회
간행물정보
Gut and Liver 2013년, 제7권 제4호, 417~422페이지(총6페이지)
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    Background/Aims: The use of self-expandable metallic stents (SEMS) is an established palliative treatment for ma¬lignant stenosis in the gastrointestinal tract; therefore, its application to benign stenosis is expected to be beneficial because of the more gradual and sustained dilatation in the stenotic portion. We aimed in this prospective observational study to evaluate the efficacy and safety of temporary SEMS placement in benign pyloric stenosis. Methods: Twenty-two patients with benign stenosis of the prepylorus, pylorus, and duodenal bulb were enrolled and underwent SEMS place-ment. We assessed symptom improvement, defined as an increase of at least 1 degree in the gastric-outlet-obstruction scoring system after stent insertion. Results: No major com¬plications were observed during the procedures. After stent placement, early symptom improvement was achieved in 18 of 22 patients (81.8%). During the follow-up period (mean 10.2 months), the stents remained in place successfully for 6 to 8 weeks in seven patients (31.8%). Among the 15 pa¬tients (62.5%) with stent migration, seven (46.6%) showed continued symptomatic improvement without recurrence of obstructive symptoms. Conclusions: Despite the symptom¬atic improvement, temporary SEMS placement is premature as an effective therapeutic tool for benign pyloric stenosis unless a novel stent is developed to prevent migration.
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