Timing of Silicone Stent Removal in Patients with Post-tuberculosis Bronchial Stenosis
분야
의약학 > 내과학
저자
엄중섭 , 김호중 , 전경만 , 엄상원 , 고원중 , 서지영 , 정만표 , 권오정
발행기관
대한결핵 및 호흡기학회
간행물정보
대한결핵및호흡기학회 추계학술발표초록집 2012년, 제114권 185(총1페이지)
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0y909877.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Objectives: Traditionally, stent removal was recommended at 12-18 months after stent insertion in patients with post-tuberculosis bronchial stenosis (PTBS). From our 6-year experience, timing of stent removal in PTBS patients and its clinical impacts were analyzed. Methods: Total 43 PTBS patients who attempted elective stent removal between January 2004 and December 2009 were retrospectively reviewed. Period of stable state before stent removal (PSS) was defined as the interval from the last intervention before stent removal to the stent removal. For analysis, patients were grouped according to the interval from stent insertion to removal (ISR): early removal group as ISR <1 year and late removal group as ISR ≥1 year. Results: Forty-five additional interventions before stent removal were performed in 25 patients. Most of additional interventions (82.2%) were conducted within 6 months after previous intervention. Restenosis after stent removal occurred in 9 patients (20.9%) and all were developed within 4 months after stent removal. In subgroup analysis, late removal group had more frequent atelectasis on initial chest radiographs (p=0.019) and longer PSS (p<0.001). Although there were several differences between two groups, restenosis rates after stent removal were not different (p=0.001). Conclusion: Interventional pulmonologists should consider atelectasis on initial chest radiographs and PSS before silicone stent removal in PTTS patients.
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