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. 2024 Apr 17:11:1376861.
doi: 10.3389/fcvm.2024.1376861. eCollection 2024.

Effects of high-intensity interval exercise on arterial stiffness in individuals at risk for cardiovascular disease: a meta-analysis

Ping Luo  1 , Ruoshan Wu  2 , Weifeng Gao  1 , Weiyi Yan  1 , Ruixue Wang  1 , Yufang Ye  1
Affiliations

Effects of high-intensity interval exercise on arterial stiffness in individuals at risk for cardiovascular disease: a meta-analysis

Ping Luo et al. Front Cardiovasc Med. .

Abstract

Objective: The purpose of this meta-analysis was to investigate the effect of high-intensity interval training (HIIT) on arterial stiffness (AS) and vascular function in persons at high risk of cardiovascular disease (CVD).

Methods: We conducted a comprehensive search of randomized controlled trials (RCTs) published in electronic databases (PubMed, Web of Science, Cochrane, Embase, and Ebsco) since their inception through October 2023 to evaluate the effect of HIIT on AS and vascular function in persons at high risk for CVD. The weighted mean difference (WMD) and 95% confidence intervals (95% CI) were calculated, and heterogeneity was assessed using the I2 test.

Results: This study included 661 participants from 16 studies. HIIT significantly reduced pulse wave velocity (PWV) in persons at high risk for CVD [weighted mean difference (WMD), -0.62; 95% CI, -0.86--0.38; P < 0.00001]. Subgroup analysis showed that the PWV improvement effect was better when the HIIT program was performed 2-3 times per week and the duration was controlled within 40 min [2-3 times, -0.67; 95% CI, -0.93--0.41; P < 0.00001; time of duration, ≤40 min, -0.66; 95% CI, -0.91--0.41; P < 0.00001]. HIIT significantly reduced systolic blood pressure (SBP, -5.43; 95% CI, -8.82--2.04; P = 0.002), diastolic blood pressure (DPB, -2.96; 95% CI, -4.88--1.04; P = 0.002), and resting heart rate (RHR, -4.35; 95% CI, -7.04--1.66; P = 0.002), but had no significant effect on augmentation index (AIX, -2.14; 95% CI, -6.77-2.50; P = 0.37).

Conclusion: HIIT can improve PWV in high-risk individuals with CVD and reduce SBP, DBP, and RHR, but has no significant effect on AIX. HIIT can effectively improve AS and vascular function and can be recommended as an effective method to improve AS in high-risk persons with CVD.

Systematic review registration: https://www.crd.york.ac.uk/PROSPERO/, identifier: CRD42023471593.

Keywords: arterial stiffness; augmentation index; cardiovascular disease; diastolic blood pressure; high-intensity interval exercise; pulse wave velocity; resting heart rate; systolic blood pressure.

PubMed Disclaimer

Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Flow diagram of systematic literature article search.
Figure 2
Figure 2
(A) Funnel plot for PWV. (B) Funnel plot for AIX. (C) Funnel plot for SBP. (D) Funnel plot for DBP.
Figure 3
Figure 3
Meta-analysis results of high-intensity interval exercise on PWV.
Figure 4
Figure 4
Meta-analysis results of high-intensity interval exercise on AIX. (A) AIX for 75 beats per minute.
Figure 5
Figure 5
Meta-analysis results of high-intensity interval exercise on SBP.
Figure 6
Figure 6
Meta-analysis results of high-intensity interval exercise on DBP.
Figure 7
Figure 7
Meta-analysis results of high-intensity interval exercise on RHR.
See this image and copyright information in PMC

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