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Exploring the microcirculatory effects of an exercise programme including aerobic and resistance training in people

Alexandros Mitropoulos¹, Anil Gumber¹, Mohammed Akil²

¹Centre for Sport and Exercise Science, Sheffield Hallam University, Sheffield, UK.

Microvascular Research

|June 21, 2019

Abstract

Purpose Of The Study:

High intensity interval training (HIIT) is able to improve the endothelial-dependent microvascular function is people with limited cutaneous systemic sclerosis (lcSSc). Resistance training (RT) alone has shown significant improvements in the function of the vasculature; moreover, a combination of aerobic and RT have shown both in the past and recently to significantly improve the vascular function and the microcirculation. Therefore, the purpose of this study is to explore the effectiveness of a combined exercise protocol (aerobic and resistance training) on microvascular function in people with lcSSc.

Methods:

Thirty-two lcSSc patients (66.5 ± 12 years old) were randomly allocated in two groups (exercise and control group). The exercise group underwent a 12-week exercise programme twice per week. All patients performed the baseline, three- and six-month follow up measurements where microvascular function, transcutaneous oxygen tension (ΔTcpO2) and body composition were assessed.

Results:

The time to peak endothelial-dependent reactivity was significantly improved (91 ± 42 s, d = 1.06, p = 0.007) when compared to control group after the exercise intervention. Endothelial-independent function was also significantly improved (3.16 ± 2, d = 1.17, p = 0.005) when compared to the control group. Baseline (5.71 ± 4.4, p < 0.05)) and peak (15.4 ± 7.5, p < 0.05) transcutaneous oxygen pressure were also significantly improved compared to the control group.

Conclusions:

Our results suggest that a combined exercise protocol (aerobic and RT) was effective in improving endothelial-dependent reactivity in people with lcSSc. The next step would be to explore its clinical- and cost- effectiveness. Therefore, we recommend a large, community-based intervention against standard pharmacotherapy only, which would assess these important factors and support a change in therapeutic protocols and guidelines for this clinical population. Trial registration ClinicalTrials.gov (NCT number): NCT03058887, February 23, 2017, https://clinicaltrials.gov/ct2/show/NCT03058887?term=NCT03058887&rank=1.

Keywords:

High intensity interval training LDF Resistance training TcPO2 Vascular function

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