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내막파열을 동반하지 않은 대동맥 박리 ( 대동맥 벽내출혈 ) 에 대한 임상적 고찰
황경국(Kyung Kuk Hwang),박대균(Dae Gyun Park),연태진(Tae Jin Yeun),조영석(Young Seok Cho),손대원(Dae Won Sohn),김효수(Hyo Soo Kim),김철호(Cheol Ho Kim),오병희(Byung Hee Oh),이명묵(Myoung Mook Lee),박영배(Young Bae Park),최윤식(Yun Sh 대한내과학회 1998 대한내과학회지 Vol.54 No.1
Objectives: This study was performed to verify the incidence and prognosis of aortic dissection without intimal tear (aortic intramural hemorrhage, IMH) who took only medical treatment in special referrence to Stanford type A. Methods: We analysed the patients of IMH confirmed by TEE, CT, MRI, angiography or CT-angiography in Seoul National University Hospital between 1987 and l9%, retrospectively. Results: The diagnosis of IMH was estabilished in 20 of 143 patients(14%). Nine patients were Stanford type A, 11 patients were type B. The longitudinal extent varied between 8 and 30cm, and IMH size varied between 10 and 3mm. Surgery was performed in two of type A patients because of persistent chest pain and one of type B patients because of progressive aortic dilatation despite of medical treatment. Follow-up imaging studies (mean follow-up period of 20.0±22.0 months) were done in 10/17 patients who were treated medicaliy. Complete resolution of IMH was observed in seven cases, four of them were Stanford type A, and the mean size of IMH was 12mm(10-17mm). Partial resolution was observed in one case, Stanford type A, with the IMH size of 15mm. There was no significant change in the size of IMH in two cases. Initial mean size of IMH was 25mm. In no case, aortic rupture or death was observed during the follow up period. Conclusion: In the management of the patient with MH, same surgical indications as classic aortic dissection have been advocated based on similar prognosis. However our study showed better prognosis in IMH patients treated medically compared to the previous publications. Therefore, even in cases of proximal IMH. medical treatment should be seriously considered.
황경국 ( Hwang Gyeong Gug ),이명묵 ( Lee Myeong Mug ),채인호 ( Chae In Ho ),오세일 ( O Se Il ),김효수 ( Kim Hyo Su ),오병희 ( O Byeong Hui ),최윤식 ( Choe Yun Sig ),박영배 ( Park Yeong Bae ) 한국지질동맥경화학회 ( 구 한국지질학회 ) 2002 韓國脂質學會誌 Vol.12 No.1
목적: 관동맥질환의 위험인자 및 악화인자인 고지질혈증은 관동맥성형술 후 재협착의 진행에도 관련이 있을 가능성이 있다. 이에 혈중 지질과 관동맥성형술 후 재협착과의 관련성을 알아보고자 하였다. 방법: 1998년 12월부터 2001년 12월까지 시행된 전향적 무작위 비교 연구 (관동맥내 방사선 치료 연구)에 대상환자 중 추적관찰 관동맥조영술 (138명)이 시행되었고, 동시에 혈중 지질의 추적관찰이 시행된 87명을 대상으로 하였다. 관동맥성형술은 Balloo
황경국(Kyung Kuk Hwang),김효수(Hyo Soo Kim),서정욱(Jung Uk Seo),채인호(In Ho Chae),손대원(Dae Won Sohn),오병희(Byung Hee Oh),이명묵(Myoung Mook Lee),박영배(Young Bae Park),최윤식(Yun Shik Choi),서정돈(Jung Don Seo),이영우(Young Woo L 대한내과학회 1998 대한내과학회지 Vol.55 No.6
Background: The mechanism of the closure of umbilical vessels is known to be multifactorial. In order to verify that apoptosis is one of the possible closure mechanisms, we studied to identify apoptosis in umbilical vessels and evaluate its mechanism by studying apoptosis-related gene and the relationship between the pattern of apoptosis and gestational age (GA). Methods: Twelve umbilical cords of GA of 37-42 weeks were obtained immediatly (less than 10 min. for minimal ongoing external influences) after birth. The presence of apoptotic cells was demonstrated by electron microscopy (EM) and terminal deoxynucleotidyl transferasemediated dUTP nick end labeling (TUNEL). Immnohistochemical staining and Western blotting were used for the analysis of the proteins of apoptosis-related gene. Results: Apoptosis of the smooth muscle cells of media and intima of umbilical vessels was identified at EM, regardless of GA from 37 to 42 weeks. The proportion of TUNEL(+) cells was 80% in intima, 40% in media, 80% in connective tissue of umbilical cord. The expressions of bax-a, bcl-Xs/L were strong in intima, in media and connective tissue, but those of bcl-2 were detected in only in connective tissue, regardless of GA in immunohistochemistry. The ratios of expressions of bax- a to bc1-2, bcl-Xs to bcl-XL, did not change with increasing GA from 37 to 42 weeks in Western blot- ting. Conclusion: Apoptosis was identified in umbilical vessels. The closure of umbilical vessels can be explained by apoptosis where the ratios of bax-a/bcl-2, bcl-Xs/ bcl-XL play an important role. The fact that there were no differences in the extent of apoptosis and the expressions of bax-a/bcl-2, bcl-Xs/bcl-XL according to GA, suggests that apoptosis of umbilical vessels is more dependent on the external stimuli during delivery than GA.