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      본태성 고혈압 환자와 만성신부전증 환자에서 심초음파를 이용한 좌심실 비대에 대한 연구 = Comparison of left ventricular hypertrophy between hypertensives and chronic renal disease patients - Echocardiographic Study -

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      https://www.riss.kr/link?id=A3307983

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      Objectives: Left ventricular hypertrophy(LVH) is one of the most common echocardiographic findings and an important prognostic factor for cardiovascular mortality in hypertensives and chronic renal failure patients. To evaluate the prevalence and the types of LVH, and left ventricular systolic and diastolic functions as worsening of renal function, and to elucidate the risk factors for LVH, we performed this study retrospectively in normal populations, hypertensives, and renal failure with or without hemodialysis. Methods and Subjects: We recruited the study population among the patients who had taken echocardiography at Pun-Dang CHA Hospital from July, 1995 to June, 1997. They are consisted of 54 patients for normal control, 53 patients of hypertensives, 31 patients of mild renal failure with less than 4.5 mg/dl of serum creatinine(Group I), 29 patients of moderate renal failure with more than 4.5 mg/dl of serum creatinine(Group II), and 47 patients of end stage renal disease with hemodialysis(Group III). The echocardiography was performed with all standard strategies including 2 dimension, M mode, and Doppler signals. Results: 1) Among the baseline characteristics, the body mass index only significantly increased in hypertensives compared with group II and III. 2) The prevalences of LVH in each groups were 5.6% in control group, 49.1% in hypertensives, 83.8% in group I, 89.7% in group II, and 100% in group III respectively. And the pevalences of concentric LVH were 5.6%, 43.3%, 41.9%, 34.5%, and 25.5% and those of the eccentric hypertrophy were 0.0%, 5.7%, 41.9%, 55.2%, and 74.5% respectively. The prevalence of eccentric hypertrophy increased according to deterioration of renal function. 3) The left ventricular mass index was significantly higher in hypertensives, Group I, Group U, and Group III than normal control and the left ventricular volume index was greater in all renal failure patients compared with controls and hypertensives. 4) In pre-hemodialysis renal failure patients, the types of LVH were consisted of 8 of normal heart(Group A), 23 of concentric LVH(Group H), and 29 of eccentric LVH(Group C). The systolic blood pressure and mean arterial pressure were significantly higher in group C than group A but there was no significant difference between group C and B. The RRC volume was significantly decreased in group B and C compared with group A. The echocardiographic end diastolic interventricular septal thickness and posterior wall thickness were significantly thicker in group B than others but end diastolic LV dimension, LV mass index, and LV volume index were significantly increased in group C than group B and A. The LV ejection fraction and fractional shortening as markers of LV systolic function in group C revealed the lowest level among three groups. The E velocity among the Doppler study profiles was significantly higher in group C than others. 5) In hemodialysis group, all the patients had any types of LV hypertrophic changes. The concentric LVH group(group B) had significantly higher systolic blood pressure and mean arterial pressure than eccentric LVH(group C) but there was no difference in diastolic blood pressure between two groups. The echocardiographic interventricular septum and posterior wall were thicker in group B than group C hut end diastolic LV dimension and LV volume were significantly higher in group C than group B. 6) The I.V mass index in pre-hemodialysis group had positive relationship with blood pressure and serum urea nitrogen level and the LV volume index was positively correlated with systolic blood pressure and mean blood pressure. 7) The LV mass index in hemodialysis group had positive relationship with age and systolic blood pressure and LV volume index was positively correlated with serum urea nitrogen level but negatively correlated with blood pressure. Conclusion: The prevalence of LVH was much higher in renal failure group than hypertenssives and the proportion of eccentric LVH was
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      Objectives: Left ventricular hypertrophy(LVH) is one of the most common echocardiographic findings and an important prognostic factor for cardiovascular mortality in hypertensives and chronic renal failure patients. To evaluate the prevalence and the ...

      Objectives: Left ventricular hypertrophy(LVH) is one of the most common echocardiographic findings and an important prognostic factor for cardiovascular mortality in hypertensives and chronic renal failure patients. To evaluate the prevalence and the types of LVH, and left ventricular systolic and diastolic functions as worsening of renal function, and to elucidate the risk factors for LVH, we performed this study retrospectively in normal populations, hypertensives, and renal failure with or without hemodialysis. Methods and Subjects: We recruited the study population among the patients who had taken echocardiography at Pun-Dang CHA Hospital from July, 1995 to June, 1997. They are consisted of 54 patients for normal control, 53 patients of hypertensives, 31 patients of mild renal failure with less than 4.5 mg/dl of serum creatinine(Group I), 29 patients of moderate renal failure with more than 4.5 mg/dl of serum creatinine(Group II), and 47 patients of end stage renal disease with hemodialysis(Group III). The echocardiography was performed with all standard strategies including 2 dimension, M mode, and Doppler signals. Results: 1) Among the baseline characteristics, the body mass index only significantly increased in hypertensives compared with group II and III. 2) The prevalences of LVH in each groups were 5.6% in control group, 49.1% in hypertensives, 83.8% in group I, 89.7% in group II, and 100% in group III respectively. And the pevalences of concentric LVH were 5.6%, 43.3%, 41.9%, 34.5%, and 25.5% and those of the eccentric hypertrophy were 0.0%, 5.7%, 41.9%, 55.2%, and 74.5% respectively. The prevalence of eccentric hypertrophy increased according to deterioration of renal function. 3) The left ventricular mass index was significantly higher in hypertensives, Group I, Group U, and Group III than normal control and the left ventricular volume index was greater in all renal failure patients compared with controls and hypertensives. 4) In pre-hemodialysis renal failure patients, the types of LVH were consisted of 8 of normal heart(Group A), 23 of concentric LVH(Group H), and 29 of eccentric LVH(Group C). The systolic blood pressure and mean arterial pressure were significantly higher in group C than group A but there was no significant difference between group C and B. The RRC volume was significantly decreased in group B and C compared with group A. The echocardiographic end diastolic interventricular septal thickness and posterior wall thickness were significantly thicker in group B than others but end diastolic LV dimension, LV mass index, and LV volume index were significantly increased in group C than group B and A. The LV ejection fraction and fractional shortening as markers of LV systolic function in group C revealed the lowest level among three groups. The E velocity among the Doppler study profiles was significantly higher in group C than others. 5) In hemodialysis group, all the patients had any types of LV hypertrophic changes. The concentric LVH group(group B) had significantly higher systolic blood pressure and mean arterial pressure than eccentric LVH(group C) but there was no difference in diastolic blood pressure between two groups. The echocardiographic interventricular septum and posterior wall were thicker in group B than group C hut end diastolic LV dimension and LV volume were significantly higher in group C than group B. 6) The I.V mass index in pre-hemodialysis group had positive relationship with blood pressure and serum urea nitrogen level and the LV volume index was positively correlated with systolic blood pressure and mean blood pressure. 7) The LV mass index in hemodialysis group had positive relationship with age and systolic blood pressure and LV volume index was positively correlated with serum urea nitrogen level but negatively correlated with blood pressure. Conclusion: The prevalence of LVH was much higher in renal failure group than hypertenssives and the proportion of eccentric LVH was

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