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      Three Echocardiographic Methods in Right Ventricular Function Evaluation

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      S. Karger AG

      Echocardiography, Right ventricle, Right ventricular failure

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          We employed two-dimensional echocardiography for the assessment of right ventricular (RV) volumes and/or function in a series of 44 patients. The results of three different echocardiographic approaches were compared with the data obtained from singleplane RV angiography following ultrasound within a 7-day interval. Only the echocardiographic area length method with two orthogonal imaging planes employed (apical 4-chamber and subcostal projections) yielded the beneficial results. The correlations between echocardiographic and angiographic RV volume estimates were rather high (end-diastolic volume: r = 0.83, endsystolic volume: r = 0.82, stroke volume: r = 0.81) and satisfactory in ejection fraction (r = 0.75). Using the method mentioned, the differentiation of patients with an angiographic evidence of RV failure (echocardiographic ejection fraction < 0.55) from those without it was possible with a sensitivity of 0.68 and a specificity of 0.82. Concerning the clinical impact of the presented study, we can recommend the technique in question as a screening procedure for the detection of changes in RV function exceeding 12% (95% confidence limits).

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          Author and article information

          S. Karger AG
          12 November 2008
          : 78
          : 4
          : 334-339
          Institute of Physiological Regulations, Czechoslovak Academy of Sciences, Prague, Czechoslovakia
          174814 Cardiology 1991;78:334–339
          © 1991 S. Karger AG, Basel

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          Page count
          Pages: 6
          Diagnostic Cardiology


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