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Cardiovascular endpoints in relation to the central arterial pressure-time indexes

Abstract

Multiple articles focused on the central arterial systolic (SPTI) and diastolic (DPTI) pressure-time indexes and the subendocardial viability ratio (SEVR). However, whether these indexes contribute to risk stratification in the general population is unknown. SPTI, DPTI and SEVR were noninvasively measured by the SphygmoCor technology. Incidence rates and standardized (per 1-SD increment) multivariable-adjusted hazard ratios (HRs) for cardiovascular (primary) and cardiac endpoints and stroke were evaluated in the International Database of Central Arterial Properties for Risk Stratification (n = 5099). Model refinement was assessed by the area under the curve (AUC) and the integrated discrimination (IDI) and net reclassification (NRI) improvement. Over 4 years (median), 215 cardiovascular, 133 cardiac endpoints and 79 strokes occurred. For SPTI, fully adjusted HRs were 1.37 (95% CI: 1.18-1.59), 1.35 (1.11-1.64) and 1.33 (1.05-1.69) for the cardiovascular and cardiac endpoints and stroke. The corresponding HRs for DPTI were 1.49 (1.31-1.69), 1.23 (1.02-1.48) and 1.74 (1.46-2.07). For SEVR, none of the HRs reached significance. Analyses with these indexes categorized by quartiles were confirmatory. Analyses stratified by various risk factors did not reveal subgroup differences. For the cardiovascular endpoint, adding SPTI or DPTI to the base model improved the AUC, while adding SPTI or DPTI combined with mean arterial pressure, increased IDI by ~1.7% and NRI by ~17% (P < 0.001 for all). Whereas cardiovascular and cardiac endpoints and stroke were related with the non-invasively measured SPTI and DPTI, SEVR was not.

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All relevant data are within the article and the online-only Supplemental material. Anonymized data can be made available to investigators for targeted non-commercial research based on a motivated request to be submitted to the corresponding authors and pending approval by the Principal Investigators of the eight participating centers. Data shares terminate three years after approval of the transfer.

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Acknowledgements

The Non-Profit Research Alliance for the Promotion of Preventive Medicine (URL: www.appremed.org) received a non-binding grant from OMRON Healthcare Co., Ltd., Kyoto, Japan. The Guangci Laureate Professorship of Jan A. Staessen is supported by the Guangci Deep Mind Project of Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China.

The International database of central arterial properties for risk stratification investigators

L S Aparicio2, J Barochiner2, D M Wei13, J D Melgarejo13, L Thijs13, J A Staessen13, F F Wei13, W Y Yang13, Z Y Zhang13, D W An1, Y B Cheng1, Q H Guo1, J F Huang1, Q F Huang1, Y Li1, C S Sheng1, J G Wang1, J Filipovsky10, J Seidlerova10, E P Juhanoja14, A M Jula14, A S Lindroos14, T J Niiranen14, S S Siven14, E Casiglia8, A Pizzioli8, V Tikhonoff8, B S Chori15, B Danladi15, A N Odili15, H Oshaju15, W Kucharska9, K Kunicka9, N Gilis-Malinowska9, K Narkiewicz9, W Sakiewicz9, E Swierblewska9, K Kawecka-Jaszcz7, K Stolarz-Skrzypek7, M Rajzer7, C Mels16, R Kruger16, G Mokwatsi16, A E Schutte16, G R Norton17, A J Woodiwiss17, D Ackermann18, M Bochud19, G Ehret20, R Alvarez-Vaz4, C Americo4, C Baccino4, L Borgarello4, L Florio4, P Moliterno4, A Noboa4, O Noboa4, A Olascoaga4, P Parnizari4, M Pecora4

Funding

Argentina: The Internal Medicine Service, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina; Belgium: European Union (HEALTH-F7-305507 HOMAGE), European Research Council (Advanced Researcher Grant 2011-294713-EPLORE and Proof-of-Concept Grant 713601-uPROPHET), European Research Area Net for Cardiovascular Diseases (JTC2017-046-PROACT) and Research Foundation Flanders, Ministry of the Flemish Community, Brussels, Belgium (G.0881.13); China: The National Natural Science Foundation of China (grants 82270469, 82070432, 81970353), the Ministry of Science and Technology (2022YFC3601302), Beijing, China, and by the Shanghai Commissions of Science and Technology (grants 19ZR1443300), the Shanghai Municipal Health Commission (202340035, 20234Y0036, 201940297 and a Grant for Leading Academics 2022LJ022), and the Shanghai Talent Work Bureau (the Oriental Talent Program BJWS2024086 and QNWS2024013); Czech Republic: European Union (grants LSHM-CT-2006–037093 and HEALTH-F4-2007–201550) and Charles University Research program “Cooperatio – Cardiovascular Science”; Italy: European Union (grants LSHM-CT-2006–037093 and HEALTH-F4-2007–201550); Poland (Gdańsk): European Union (grants LSHM-CT-2006–037093 and HEALTH-F4-2007–201550); Poland (Kraków): European Union (grants LSHM-CT-2006–037093 and HEALTH-F4-2007–201550) and Foundation for Polish Science; Uruguay: Asociación Española Primera en Salud. The funding source had no role had in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

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Huang, QF., An, DW., Aparicio, L.S. et al. Cardiovascular endpoints in relation to the central arterial pressure-time indexes. Hypertens Res (2026). https://doi.org/10.1038/s41440-026-02555-2

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