Population
50 consecutive patients presenting with congestive heart failure (age: 58 ± 16 years) and a control group.
Comparison
Transthoracic echocardiography with 2-D speckle… vs Control group and comparison between systolic…
Design
Cross-sectional
Authors
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Preserved twist may underlie normal EF in DHF; leaves open need for prospective studies on prognostic value.
Preserved left ventricular twist and circumferential strain may explain the normal ejection fraction observed in patients with diastolic heart failure despite impaired longitudinal and radial deformation.
Wang et al. (2007) studied this question.
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