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[Distribution of systemic vascular resistance disorders and its related factors in Hebei province]

Xiao-mei Zhou1, Bao-shen Qi, Cheng-li Xu

  • 1Department of Physiology, Institute of Basic Medical Sciences, CAMS and PUMC, Beijing 100005, China.

Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
|June 1, 2006
PubMed

Insights

Systemic vascular resistance (SVR) disorder increases with age and is more prevalent in females. Blood pressure, age, and sex are key factors associated with SVR disorder, potentially indicating vascular injury.

Area of Science:

  • Cardiovascular Physiology
  • Vascular Health Research
  • Public Health Epidemiology

Context:

  • Systemic vascular resistance (SVR) is a critical determinant of blood pressure and cardiac function.
  • Understanding the distribution of SVR disorders in healthy populations is essential for identifying early signs of vascular dysfunction.
  • Previous research has not fully elucidated the demographic and physiological factors associated with SVR disorder in the Hebei province population.

Purpose:

  • To investigate the prevalence and distribution patterns of systemic vascular resistance (SVR) disorder in a healthy cohort residing in Hebei province.
  • To analyze the correlations between SVR disorder and various physiological parameters, including blood pressure, cardiac output, and lipid profiles.
  • To identify independent influencing factors of SVR disorder in this population.

Summary:

  • A study of 999 healthy individuals in Hebei province revealed that SVR disorder prevalence increases with age and is higher in females than males.
  • SVR was positively correlated with systolic blood pressure, diastolic blood pressure, mean arterial pressure, pulse pressure, left ventricular ejection time, body mass index, total cholesterol, and triglycerides.
  • Conversely, SVR was inversely associated with heart rate, cardiac output, cardiac index, stroke volume, stroke index, left cardiac work, and arterial compliance. Cardiac output and mean arterial pressure were identified as independent factors influencing SVR.

Impact:

  • This study highlights that SVR disorder is associated with age, sex, and blood pressure, suggesting it may serve as an early marker for vascular injury in the studied population.
  • Findings provide valuable epidemiological data on vascular resistance in a specific Chinese demographic, aiding in the development of targeted health interventions.
  • The identification of independent factors influencing SVR can inform future research directions and clinical strategies for managing cardiovascular health.
Abstract

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