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KMID : 0351819980390020193
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Kyunpook University Medical Journal
1998 Volume.39 No. 2 p.193 ~ p.200
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Clinical Features of Hypertrophic cardiomyopathy
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Bae Ho-Sang
Kwack Dong-Hoon
Park Wee-Hyun
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Abstract
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We reviewed 30 case of Hypertrophic cardiomyopathy QHCIvi) diagnosed by echocazdiography. The mean age of the 30 patients (14 men, 16 women) was 5614.5 years. At presentation 24 patients (80%) had a history of chest pain, 24 patients (80%) had symptoms of dyspnea, 16 patients (53,6) had palpitation and 11 patients (37%} had ~i history of dizziness. Systolic cardiac murmur was audible in 9 patients (30%) and cazdiomegaly on chest X-ray was observed in 11 patients (37%). The 12-lead electrocardiogram was abnormal in 29 patients (979´), the most common abnormalities were ST-segment alterations and T-wave inversion (809´), :eft ventriculaz hypertrophy (53%), atrial fibrillation (20%).
Among the abnormal echocazdiographic features of HCM systolic anterior motion of mitral valve (SAM) was observed in 10 patients (30%, mean 123mm), the mean ventricular septal thiclmess was 19.6mm (1.73 times of the thickness of the F~osterior wall).
We managed these patients with beta-Mockers and calcium antagonists. Of 22 patients followed for a mean period of 52 months (range, 6 to 120 mont:hs), only three patients had clinical deterioration, 22 patients had clinical improvement and 4 patients had no interval change. We conclude that the natural history of HCM maybe more benign than shown in previously reported results show.
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KEYWORD
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hypertrophic cardimyopathy, repolarization, abnormality, systolic anterior motion of mitral valve
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