Abstract
Arterial stiffness, most often assessed with carotido-femoral pulse wave velocity predicts cardiovascular events but its use in clinical practice remains limited. The 24 h ambulatory monitoring of Blood pressure and timing of Korotkoff sounds (QKD interval) allows an automatic assessment of arterial stiffness and is an independent predictor of cardiovascular events in hypertensive patients. The long term follow up of our cohort of hypertensive patients gave us the opportunity to test the consequences of increased arterial stiffness on the incidence of all causes deaths and to define the populations who could benefit of this measurement beyond risk scores. The sample includes 930 patients (502 males, age 53 ± 13 years, baseline risk SCORE2-OP = 6.70 ± 4.97%) with an average follow up of 12.11 ± 7.4 years (0.3–30). In this population 169 cardiovascular events and 155 deaths were recorded. SCORE2-OP, 24 h Systolic Blood Pressure and arterial stiffness (QKDh) as a continuous or discontinuous variable (normal or reduced) were significantly and independently linked to the occurrence of cardiovascular events or all cause deaths in multivariate Cox model. ROC curves analysis show that measuring arterial stiffness with QKD method offers the best predictive value in patients with low or very low risk scores.
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Data are available from the corresponding author on reasonable request.
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We thank Stephane Laurent for his very useful comments on this study.
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PG and AC analysed the data and and wrote the first draft, RB, JD and JG made important contributions to the final paper.
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The university hospital of Bordeaux has received free Diasys 3 plus from Novacor.
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Gosse, P., Boulestreau, R., Doublet, J. et al. Arterial stiffness (from monitoring of Qkd interval) predict the occurrence of cardiovascular events and total mortality. J Hum Hypertens 37, 907–912 (2023). https://doi.org/10.1038/s41371-022-00797-4
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DOI: https://doi.org/10.1038/s41371-022-00797-4
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