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RISS 인기검색어
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- 저자 : 이유선(Yeu Seon Lee) (검색결과 2 건)
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강정아(Jeong A Kang),이유선(Yeu Seon Lee),정승현(Seung Hyeon Jeong),이정우(Jeong Woo Lee),김보영(Bo Yeong Kim),임대승(Dea Seung Im),이민수(Min Soo Lee),김정희(Jeong Hee Kim),정준용(Jun Young Jeong),최시완(Si Wan Choi),정진옥(Jin Ok J 대한내과학회 2002 대한내과학회지 Vol.63 No.2
Background: Coronary artery spasm plays an important role in the pathogenesis of variant angina. However the precise mechanism (s) and the clinical characteristics of variant angina remain to be elucidated. We investigated the clinical characteristics and diagnostic features of variant angina. Methods: The clinical characteristics and coronary angiographic findings were analyzed in 178 patients with angiographically documented coronary artery spasm, which developed spontaneously or was provoked by the admistration of intravenous ergonovine maleate. All patients were followed for at least 1 year or more or until their death. Results: One hundred and eleven patients complained of chest pain which developed especially at night and in the early morning. One hundred and thirty three patients (74.7%) were smokers. The electrocardiographic findings at the time of admission showed no changes in 147 cases (82.6%), testes showed ST segment elevation in 22 cases (12.4%), ST segment depression in 2 cases (1.1%), T wave inversion in 7cases (3.9%). The treadmill test was performed in 135 cases, ST segment elevation was noted in 6 patients (4.4%) and ST segment depression in 18 patients (13.3%). All of the other results were within normal range. The ergonovine provovative tests for coronary spasms were safe and effective. The right coronary artery was the most prevalent site of coronary artery spasm. Drug treatment was applied initially to all patients, but only 115 patients (64.5%) received the follow-up. Of these three died from cardiac arrest. The rate of cardiac death was low (1.7%) in patient, which made it difficult to know the risk factors for the cardiac deaths. Two (1.1%) had cardiac arrest. They didn't take any medication. Patients with variant angina usually responded well to nitrates and calcium antagonists. Thus nitrates and calcium antagonists are useful in preventing attacks and abolished attacks of variant angina. Conclusion: In this study, 13.2% of coronary artery disease was variant angina. The effectiveness of drug therapy and the prognosis of the patients was quite good in the group. But when chest pain happens, the adequate use of nitrate agents is needed because of cardia arrest or cardiac death in 2.8% of the patients. (Korean J Med 63:195-202, 2002)
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혈액 투석 환자에서 중심정맥 협착에 대한 스텐트 삽입술 : Wallstent Placement
임대승,노상필,이유선,정승현,김보영,이정우,강정아,김정희,이민수,정준용,최시완,정진옥,성인환,이강욱,신영태 충남대학교 의과대학 의학연구소 2002 충남의대잡지 Vol.29 No.1
Stenosis of central vein is a common complication arising after percutaneous subclavian vein catheter insertion performed for temporary vascular access in chronic renal failure patients undergoing hemodialysis. There are several treatment methods for the condition like percutaneous angioplasty(PTA), stent insertion, and surgery, but recent trend is toward PTA and stents. Among the patients diagnosed with chronic renal failure from March 1993 to May 2002 and undergoing hemodialysis through AV fistula, the 14 Patients in whom central vein stenosis arose were selected for the study. A total of 28 percutaneous interventions(5 PTA and 23 stent placement) were performed, and restenosis rate and the time taken till the restenosis in de novo lesions and instant lesions were compared. All 28 cases were operated successfully. The 14 cases that received both anigioplasty and stent placement initially. (de novo lesion : 14 cases), Among the 10 cases with de novo lesion that followed up more than 1 year, 3 cases are currently undergoing hemodialysis without restenosis, and the remaining 7 cases have recurred stenosis with the mean time to restenosis of 10.9 months. In the 7 cases in whom stenosis recurred, 11 interventions were done(instent lesion: 11 cases). 4 of these were using only ballon angioplasty with 100% restenosis rate and the mean time of 3 months until restenosis. The remaining 7 cases were using both balloon angioplasty and stent placement, also with 100% restenosis rate but with the mean time of 12 months until restenosis, which was later than the group receiving only balloon angioplasty. In treating the patients with central vein stenosis, stent placement seems to be more advantageous over PTA in terms of restenosis rate and the mean duration of patency. In the case of instent lesion, inserting the stent for the second time after stenosis recurred lengthened the duration of patency compared to performing balloon angioplasty alone.
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