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혈관연축성 협심증 환자에서 운동부하검사 반응의 일중변동과 비약물 연축유발검사의 진단적 가치
윤경호(Kyung Ho Yun),오석규(Seok Kyu Oh),정진원(Jin Won Jeong),박양규(Yang Kyu Park) 대한내과학회 2001 대한내과학회지 Vol.60 No.4
Background: Exercise test s (ET), hyperventilation test s (HVT) and cold pressor tests (CPT) have been used t o induce coronary artery spasm. However their diagnostic significance and the circadian variation of exercise test response in patients with vasospastic angina are still uncertain. Methods: To elucidate the circadian variation of ET response and to evaluate the diagnostic significance of non-pharmacological provocation tests, 21 consecutive patients with pure vasospastic angina were studied. Six ETs were performed in the early morning, late morning, and late afternoon in consecutive days, 2 HVTs and 2 CPTs in the early morning. The circadian distribution and types of angina (at rest , on physical activity, or both) from before admission to after discharge (mean follow-up periods 19±9 months) were evaluated by clinical history, clinical records and Holter recordings . Circadian distribution of anginal attacks recorded through the all observation periods were classified into 3 patterns (morning and night : MN, morning and afternoon or evening : M+F/ E, morning, night and afternoon and/ or evening : MN+F/ E). Results: One hundred and eleven ETs (39 early morning, 38 late morning, 34 late afternoon tests), 35 HVTs and 33 CPT s were performed. ETs showed 14 positive responses (36%) in the early morning, 14 (37%) in the late morning and 12 (35%) in the late afternoon without any circadian variation. Among the 11 patients who underwent all 6 exercise tests, 3 patients (27%) showed at least one positive response in the early morning, 4 (36%) in the late morning and 4 (36%) in the late afternoon. Subgroups of the subjects according to the types and activity of angina and the numbers of spastic artery also failed to show any circadian variation in ET response, but M+F/ E group of circadian pattern of angina showed a peak of positive response in the early morning (p <0.05). HVTs showed significantly higher positive response (23/35, 66%, p <0.05) than ETs (14/ 39, 36%) and CPTs showed significantly lower positive response (2/ 33, 6%, p <0.01) than ETs in the early morning. Double test s with more than 1 positive response couldn`t increase the positive response in ETs (9/19, 47%), and CPTs (2/14, 14%) but increased significantly in HVTs (15/16, 94%, p<0.05), particularly in the group with low activity (7/ 8, 86%, p <0.01). ETs showed ST segment elevation in 29 (72%) and depression in 11 (28%) of the 40 positive tests, HVTs in 21 (91%) and 2 (9%) of the 23 positive tests and CPTs in 2 (100%) and 0 (0%) of the 2 positive tests. The ST segment elevation was significantly higher in HVTs than in ET (p <0.05). Conclusion: These findings suggest that the exercise test in the early morning do not increase positive response and is not a sensitive diagnostic test associated with occasional depression of ST segment , but hyperventilation test , especially if repeated, is a very sensitive test with predominant elevation of ST segment in patients with vasospastic angina.(Korean J Med 60:358- 367, 2001)
내반 변형의 정도에 따른 슬관절 전치환술 후 하지 정렬
배대경 ( Dae Kyung Bae ),송상준 ( Sang Jun Song ),윤경호 ( Kyoung Ho Yoon ),정기연 ( Kee Yun Chung ) 대한슬관절학회 2008 대한슬관절학회지 Vol.20 No.2
Purpose: We wanted to evaluate the clinical and radiographic results of total knee arthroplasty according to the preoperative varus deformity. Materials and Methods: From September 2003 to October 2005, we performed 53 total knee arthroplasties in 38 patients who had varus deformity of more than 10 degrees of the femorotibial angle. The minimum follow-up period was 2 years. According to the severity of the varus deformity, the patients were classified to three groups: patients with a varus deformity 10 to 15° (group I, 38 cases), patients with a varus deformity 15 to 20° (group II, 7 cases) and patients with a varus deformity more than 20° (group III, 8 cases). Results: The mean preoperative HSS scores were 61.0, 57.6 and 55.6 in groups I, II and III, respectively. The mean HSS scores of the each group were 97.5, 96.1 and 96.8, respectively, at the last follow-up (p=0.728). The mean preoperative range of motion of the each group was 118.7°, 121.3° and 102.5°, respectively, and the ROM was 131.8°, 130.0° and 128.3°, respectively, at the last follow-up (p=0.932). The mean preoperative femorotibial angle of the each group was -12.1°, -16.6° and -23.8°, respectively, and 4.8°, 3.0° and 2.1°, respectively, at the last follow-up (p=0.021). Conclusion: Correction of deformity and restoration of the limb alignment provides satisfactory clinical and radiographic results for patient with varus deformity. The postoperative alignment of the residual varus deformity tended to be within the permissible range.
제2형 당뇨병 환자에서 Rosiglitazone 병용 투여에 의한 동맥경직도의 개선 효과
송미진 ( Mi Jin Song ),김남호 ( Nam Ho Kim ),최준호 ( Joon Ho Choi ),박은미 ( Eun Mi Park ),김연경 ( Yeon Kyung Kim ),윤경호 ( Kyeong Ho Yun ),유남진 ( Nam Jin Yoo ),이은미 ( Eun Mi Lee ),오석규 ( Seok Kyu Oh ),정진원 ( Jin Won Je 대한내과학회 2007 대한내과학회지 Vol.72 No.4
Background: Diabetes is a major risk factor for the development of coronary artery disease. Atherosclerosis is thought to arise as a result of a chronic inflammatory process within the arterial wall. Insulin resistance is central to the pathogenesis of type 2 diabetes and may contribute to atherosclerosis, either directly or through associated risk factors. Rosiglitazone, a peroxisome proliferator-activated receptor gamma agonist, is used in the treatment of type 2 diabetes mellitus, and previous findings suggest that it may have anti-inflammatory effects on atherosclerosis. This study was performed to evaluate whether rosiglitazone can improve arterial stiffness in type 2 diabetic patients. Methods: This study consisted of 40 patients with type 2 diabetes. These subjects were classified into two groups either medicated with glimepiride (GLIME group, 61.5±8.2 years, M:F = 9:11) or with glimepiride and rosiglitazone (ROSI group, 65.6±9.5 years, M:F = 4:16). For each group, plasma a hsCRP, lipid profile, HOMAIR and HbA1c were measured before and after 12 months of medical treatment. At the same time, pulse wave velocity (PWV) using an automatic device (PP 1000, Hanbyul, Jeonju, Korea) was measured. Results: The plasma hsCRP level was significantly decreased in the ROSI group as compared with the GLIME group (4.22±4.65 vs. 1.07±0.80 mg/L, p=0.025). The carotid-femoral PWV of the ROSI group improved significantly as compared with the GLIME group (8.29±1.25 vs. 7.26±1.49 m/sec, p=0.024). The changes of PWV were correlated with the changes of hsCRP (r=0.412, p=0.033). Conclusions: These findings suggest that rosiglitazone can improve the arterial stiffness in type 2 diabetic patients. (Korean J Med 72:376-383, 2007)
조정선 ( Jung Sun Cho ),정명호 ( Myung Ho Jeong ),정선영 ( Seon Young Jeong ),최명자 ( Myung Ja Choi ),정종원 ( Jong Won Chung ),황승환 ( Hwang Seung Hwan ),이상현 ( Sang Hyun Lee ),김계훈 ( Kye Hun Kim ),윤경호 ( Kyung Ho Yun 대한내과학회 2005 대한내과학회지 Vol.69 No.3
Background: Percutaneous coronary intervention (PCI) has been established as one of the effective therapeutic methods in the treatment of ischemic heart disease. A coronary artery stent is the most promising device in PCI, however in-stent restenosis (ISR) remains a major problem to be overcome. Methods: Follow-up coronary angiograms (CAG) three times after stenting were performed in 107 out of 3,816 stented patients at Chonnam National University Hospital between August 1992 and July 2004. The patients were divided into four groups: forty eight patients (Group I: 58.7±9.5 years, 35 Males) had no incident ISR on three follow-up CAG. Fourteen patients had three times of ISR and underwent four PCIs (Group II : 54.5±9.51 years, 12 Males), 15 had two times of ISR and underwent three PCIs (Group III : 53.9±5.9 years, 11 males), 30 had one time of ISR and underwent two PCIs (Group IV : 59.6±9.5 years, 27 males). Each group was analysed according to clinical characteristics, coronary angiographic findings, and therapeutic modalities for ISR. Results: There was no differences in clinical diagnosis, lesion location, multi-vessel lesion and TIMI flow. Risk factors for atherosclerosis were not different except for diabetes mellitus. The incidence of diabetes mellitus was more common in Group II than in Group I (Group I: 22%, Group II: 57%, Group III: 46%, Group IV: 20%, Group I vs. Group II: p =0.023). Stent length and diameter were not different among four groups. Conclusion: The only predictor of recurrent coronary stent restenosis more than three times is diabetes mellitus. (Korean J Med 69:255-263, 2005)