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Estimation of right ventricular diastolic function in hypertension patients with different patterns of left ventricular geometric models using tissue Doppler imaging

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PRIMARY MEDICINE AND PHARMACY
Issue:
9
DOI:
10.3760/cma.j.issn.1008-6706.2005.09.004
Key Word:
多普勒超声心动描记术;高血压;心室功能,右

Abstract: 目的应用组织多普勒成像(TDI)检测右房室瓣环舒张期运动速度,评价原发性高血压不同左室构型时的右室舒张功能.方法高血压患者80例按左室重量指数和相对室壁厚度的不同,分为正常左室构型组(A组,21例)、向心性重构组(B组,22例)、向心性肥厚组(C组,19例)、离心性肥厚组(D组,18例),TDI测量右房室瓣环舒张早期峰速度(e)、舒张晚期峰速度(a),多普勒测量右房室瓣血流E波减速时间(EDT)、右室等容舒张时间(IVRT),并与30例健康者(对照组)对比.结果与对照组比较,B、C、D组e波及e/a比值下降(P均<0.01),且e波呈递减趋势;B、C组a波增高(P均<0.01);B、C、D组EDT、IVRT增高(P均<0.01)且呈递增趋势.结论高血压所致左室构型改变影响右室舒张功能.

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