ArticleJournal of cardiovascular ultrasound2016
2-Dimensional Strain Analysis of Regional Change in Right Ventricular Function after Treadmill Exercise.
Article in Journal of cardiovascular ultrasound, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Right ventricular strain as predictor of pulmonary complications in patients with femur fracture.Cardiovascular journal of AfricaArticle
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundFunction of right ventricle (RV) influences on symptoms and prognosis in various diseases. However the regional RV function analyzed with 2-dimensional (2D) strain echocardiography before and just after treadmill test has not been evaluated. The aim of this study was to show the change of regional RV function just after treadmill exercise with strain analysis.
methodsA total of thirty eight patients who visited hospital for hypertension, chest pain or dyspnea between January 2007 and December 2010 were retrospectively analyzed (men, 47.4%; mean age, 54.9 ± 7.2 years). Treadmill exercise test and pre and post echocardiography were performed. 2D strain echocardiography was analyzed off line in RV free wall and septum.
resultsMean exercise duration was 737 ± 132 sec. Tissue velocity in lateral tricuspid annulus is significantly increased in post exercise (initial, 10.5 ± 2.4 cm/sec vs. post exercise, 12.2 ± 1.8 cm/sec, p = 0.006). Systolic strain of RV free wall apex and mid portion were significantly changed in post exercise stage (free wall apex, -18.2 ± 7.6% vs. -22.3 ± 5.8%, p = 0.010; free wall mid, -14.1 ± 6.7% vs. -22.6 ± 6.8%, p = 0.022).
conclusion2D strain imaging provides a precise tool to quantify regional RV function and reveals a characteristic regional pattern of RV after treadmill exercise.
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