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대한영상의학회에서의 임상 시험을 위한 첫 단계: 패널 토의
윤순호,이경호,구민모,김수정,김은경,백정환,조윤규,이경수,임태환,박성호 대한영상의학회 2013 대한영상의학회지 Vol.68 No.2
A clinical trial is a prospective experimental study carried out on human subjects, which is designed to evaluate the effects of specific intervention by comparing the study with the control group. In recent years, clinical trials have gained extreme popularity and have become imperative in the field of radiology. In the present work, we introduce the content of panel discussion at first clinical trial workshop of Korean Society of Radiology. This study will help the members of Korean Society of Radiology to be acquainted and facilitated with clinical trials. 임상 시험은 대조군과의 비교를 통해 특정 중재의 효과를 평가하기 위해 설계된, 사람을 대상으로 한 전향적 실험 연구이다. 최근 영상의학 분야에서 임상 시험이 점점 더 대중화되고 중요해지고 있다. 우리는 대한영상의학회의 첫 임상 시험 워크샵의 패널 토의 내용을 소개함으로써 대한영상의학회 회원들이 임상 시험에 친숙해지고 용이해질 수 있도록 하고자 한다.
윤순호,박창민,이경희,임건영,서영주,임동진,허진,Dae Hee Han,강미진,Ji Yung Choo,김채리,김정임,홍현숙 대한영상의학회 2019 Korean Journal of Radiology Vol.20 No.3
ObjectiveTo analyze the complications of percutaneous transthoracic needle biopsy using CT-based imaging modalities for needle guidance in comparison with fluoroscopy in a large retrospective cohort. Materials and MethodsThis study was approved by multiple Institutional Review Boards and the requirement for informed consent was waived. We retrospectively included 10568 biopsies from eight referral hospitals from 2010 through 2014. In univariate and multivariate logistic analyses, 3 CT-based guidance modalities (CT, CT fluoroscopy, and cone-beam CT) were compared with fluoroscopy in terms of the risk of pneumothorax, pneumothorax requiring chest tube insertion, and hemoptysis, with adjustment for other risk factors. ResultsPneumothorax occurred in 2298 of the 10568 biopsies (21.7%). Tube insertion was required after 316 biopsies (3.0%), and hemoptysis occurred in 550 cases (5.2%). In the multivariate analysis, pneumothorax was more frequently detected with CT {odds ratio (OR), 2.752 (95% confidence interval [CI], 2.325–3.258), p < 0.001}, CT fluoroscopy (OR, 1.440 [95% CI, 1.176–1.762], p < 0.001), and cone-beam CT (OR, 2.906 [95% CI, 2.235–3.779], p < 0.001), but no significant relationship was found for pneumothorax requiring chest tube insertion (p = 0.497, p = 0.222, and p = 0.216, respectively). The incidence of hemoptysis was significantly lower under CT (OR, 0.348 [95% CI, 0.247–0.491], p < 0.001), CT fluoroscopy (OR, 0.594 [95% CI, 0.419–0.843], p = 0.004), and cone-beam CT (OR, 0.479 [95% CI, 0.317–0.724], p < 0.001) guidance. ConclusionHemoptysis occurred less frequently with CT-based guidance modalities in comparison with fluoroscopy. Although pneumothorax requiring chest tube insertion showed a similar incidence, pneumothorax was more frequently detected using CT-based guidance modalities.