Key result
Renal pre-ejection period (β = -3.185) and the ratio of renal pre-ejection period to ejection time (β = -5.605) were independently and negatively associated with brachial-ankle pulse wave velocity.
Cross-Sectional (n=230)
No
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Should not yet change practice; leaves open whether renal timing parameters predict vascular outcomes.
The renal systolic time intervals (STIs), including renal pre-ejection period (PEP), renal ejection time (ET), and renal PEP/renal ET measured by renal Doppler ultrasound, were associated with poor cardiac function and adverse cardiac outcomes. However, the relationship between renal hemodynamic parameters and arterial stiffness in terms of brachial-ankle pulse wave velocity (baPWV) has never been evaluated. The aim of this study was to assess the relationship between renal STIs and baPWV. Methods: This cross-sectional study enrolled 230 patients. The renal hemodynamics was measured from Doppler ultrasonography and baPWV was measured from ABI-form device by an oscillometric method.
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Lee et al. (2018) conducted a cross-sectional in Arterial stiffness (n=230). Renal systolic time intervals (renal PEP and renal PEP/renal ET) was evaluated on Brachial-ankle pulse wave velocity (baPWV) (β = -3.185, 95% CI -5.169 to -1.201, p=0.002). Renal pre-ejection period (β = -3.185) and the ratio of renal pre-ejection period to ejection time (β = -5.605) were independently and negatively associated with brachial-ankle pulse wave velocity.
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