Reproducibility and sex differences in muscle oxygenation during brachial artery occlusion in healthy participants

IF 1.3 4区 医学 Q4 PHYSIOLOGY Clinical Physiology and Functional Imaging Pub Date : 2024-04-26 DOI:10.1111/cpf.12886
Tommi Jeskanen, Venla Ylinen, Rasmus I. P. Valtonen, Mikko P. Tulppo
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Abstract

Significance

Near-infrared spectroscopy (NIRS) measurement is a widely used technique to measure muscle oxygenation. A knowledge of the reproducibility of NIRS measurements is essential for the correct interpretation of data.

Aim

Our aim was to test the reproducibility and sex differences of NIRS measurements during brachial artery occlusion in healthy participants.

Approach

An NIRS device was used to measure muscle oxygenation and microvascular function during a 5 min brachial occlusion. Muscle oxygen consumption (mVO2) and tissue saturation index (TSI%) were used. The occlusion test was performed three times on separate days for males (n = 13, 28 ± 8 years) and females (n = 13, 29 ± 7 years).

Results

During the occlusion phase, the reproducibility of mVO2 was excellent (intraclass correlation; ICC = 0.90). During the reperfusion phase, the maximal change in TSI% revealed the best reproducibility (ICC = 0.77). There were no sex differences in reproducibility. Male participants had higher muscle oxygenation during occlusion (mVO2, 0.054 ± 0.010 vs. 0.038 ± 0.012 mLO2/min/100 g, p = 0.001, male and female, respectively). There were no sex differences during the reperfusion phase.

Conclusion

The reproducibility of NIRS to measure muscle oxygenation and microvascular function during circulation occlusion and reperfusion is good to excellent. Muscle oxygen capacity measured during occlusion is higher in males compared to females, and there are no sex differences in microvascular function during the reperfusion phase.

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健康参与者肱动脉闭塞时肌肉氧合的可重复性和性别差异。
意义耳红外光谱(NIRS)测量是一种广泛用于测量肌肉氧合的技术。我们的目的是测试健康参与者在肱动脉闭塞期间进行近红外测量的可重复性和性别差异。方法使用近红外设备测量 5 分钟肱动脉闭塞期间的肌肉氧合和微血管功能。使用肌肉耗氧量(mVO2)和组织饱和度指数(TSI%)。男性(n = 13,28 ± 8 岁)和女性(n = 13,29 ± 7 岁)分别在不同的日期进行了三次闭塞测试。结果在闭塞阶段,mVO2 的重现性非常好(类内相关;ICC = 0.90)。在再灌注阶段,TSI% 的最大变化显示出最佳的再现性(ICC = 0.77)。重现性方面没有性别差异。男性参与者在闭塞期间的肌肉氧合较高(mVO2, 0.054 ± 0.010 vs. 0.038 ± 0.012 mLO2/min/100 g, p = 0.001,男性和女性分别如此)。结论 在循环闭塞和再灌注期间,近红外光谱测量肌肉氧合和微血管功能的重现性良好至极佳。闭塞期间测量的肌肉氧容量男性高于女性,再灌注阶段的微血管功能没有性别差异。
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来源期刊
CiteScore
3.40
自引率
5.60%
发文量
62
审稿时长
6-12 weeks
期刊介绍: Clinical Physiology and Functional Imaging publishes reports on clinical and experimental research pertinent to human physiology in health and disease. The scope of the Journal is very broad, covering all aspects of the regulatory system in the cardiovascular, renal and pulmonary systems with special emphasis on methodological aspects. The focus for the journal is, however, work that has potential clinical relevance. The Journal also features review articles on recent front-line research within these fields of interest. Covered by the major abstracting services including Current Contents and Science Citation Index, Clinical Physiology and Functional Imaging plays an important role in providing effective and productive communication among clinical physiologists world-wide.
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