Key result
Increasing 24-hour systolic blood pressure (≥117 mmHg) was associated with decreased right ventricular peak systolic strain and early diastolic strain rate compared to optimal blood pressure.
Why the study?
Does increasing systemic blood pressure affect right ventricular mechanics and function as assessed by two-dimensional strain imaging in never-treated, non-obese subjects?
Cross-Sectional (n=89)
Does increasing systemic blood pressure affect right ventricular mechanics and function as assessed by two-dimensional strain imaging in never-treated, non-obese subjects?
Subclinical right ventricular systolic and diastolic abnormalities are detectable by 2D strain imaging even at blood pressure levels below the conventional diagnostic limits for hypertension.
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RV strain abnormalities below hypertension thresholds may signal early risk; hypothesis-generating and requires longitudinal confirmation before clinical use.
Pedrinelli et al. (2010) conducted a cross-sectional in Early systemic hypertension (n=89). Increasing systemic blood pressure vs. Optimal blood pressure (<117 mmHg) was evaluated on Right ventricular longitudinal peak strain and strain rate. Increasing 24-hour systolic blood pressure (≥117 mmHg) was associated with decreased right ventricular peak systolic strain and early diastolic strain rate compared to optimal blood pressure.
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