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Cardiovascular Health Change Patterns After Multifaceted Antihypertensive Intervention and Cardiovascular Outcomes: A

Xiaofan Guo1, Guozhe Sun1, Ziyi Xie2

  • 1Department of Cardiology, The First Hospital of China Medical University, Shenyang, Liaoning, China.

Insights

This study shows that a community health intervention significantly reduced cardiovascular risk, primarily by improving blood pressure (BP). Combined improvements in BP with behavioral or metabolic factors offered the greatest risk reduction.

Area of Science:

  • Cardiovascular Health
  • Public Health Interventions
  • Health Behavior Change

Background:

  • Cardiovascular health (CVH) assessment uses a multidimensional framework, with interventions targeting CVH metrics.
  • Patterns of CVH change and their link to clinical outcomes after interventions require further clarification.

Purpose of the Study:

  • To characterize CVH change patterns post-intervention.
  • To examine how multidimensional response domains from Life's Simple 7 relate to cardiovascular outcomes.

Main Methods:

  • Post hoc analysis of 26,700 participants in the China Rural Hypertension Control Project.
  • Intervention focused on intensive blood pressure (BP) management by nonphysician providers.
  • Longitudinal CVH changes analyzed across BP, metabolic, and behavioral domains; associations with cardiovascular outcomes assessed via Cox models.

Main Results:

  • Intervention improved LS7 scores and reduced cardiovascular risk (HR: 0.71).
  • Greatest risk reduction observed with BP improvement plus behavioral/metabolic gains (HR: 0.57), followed by BP improvement alone (HR: 0.76).
  • BP changes accounted for the majority of the effect (67.5%), with smaller contributions from behavioral (8.0%) and metabolic domains.

Conclusions:

  • A scalable, nonphysician-delivered intervention effectively reduced cardiovascular risk, primarily through BP management.
  • Heterogeneous, domain-specific responses were observed, with BP being the main driver of benefit.
  • Provides a quantitative framework for understanding multifaceted interventions' impact on cardiovascular outcomes.
Abstract

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