与普通人群相比,澳大利亚精英骑师的心脏结构和功能:一项观察性横断面研究。

IF 4.1 2区 医学 Q1 SPORT SCIENCES
Angela Farley, Hunter Bennett, Roger Eston, Rebecca Perry
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引用次数: 0

摘要

背景:研究表明,纯血马比赛对骑师的生理要求很高,心率升高、摄氧量大,证实了这项运动对体能的严格要求,然而,纯血马比赛对体能的要求导致的心血管变化在澳大利亚骑师中仍未得到研究。因此,本研究旨在比较澳大利亚职业骑师与普通人群的心脏结构和功能,并确定使用超声心动图检测心脏结构和功能是否存在差异:方法:46 名骑师和 33 名普通人群接受了二维超声心动图检查,包括所有标准视图和测量。采用 Mann-Whitney U 检验对各组的各项测量结果进行比较:结果:各组的年龄相匹配(骑师(35 ± 12 岁)和对照组(36 ± 13 岁))。骑师的身高更矮(1.64 ± 0.07 m vs. 1.75 ± 0.09 m,p 2 vs. 1.9 ± 0.2 m2,p 2 vs. 57.5 ± 13.3 ml/m2,p 2 vs. 64.2 ± 15.4 g/m2,p 2 vs. 26.3 ± 7.0 mL/m2,p 结论:与普通人相比,骑师的心脏结构和功能具有适应性。这种差异可归因于赛马的长期生理需求,在今后涉及骑师的研究中应加以考虑。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cardiac Structure and Function of Elite Australian Jockeys Compared to the General Population: An Observational Cross-Sectional Study.

Background: Research highlights the intense physiological demands of thoroughbred racing on jockeys, with elevated heart rates and substantial oxygen uptake, confirming the rigorous physical nature of the sport, however, the cardiovascular changes resulting from the physical demands of thoroughbred racing remain unexplored in Australian jockeys. Therefore, the objective of this study was to compare measures of cardiac structure and function of professional Australian jockeys to that of the general population and to determine if there are differences in heart structure and function detected using echocardiography.

Methods: Forty-six jockeys and thirty-three participants from the general population underwent two-dimensional echocardiography, which included all standard views and measurements. Each measurement was compared between groups using a Mann-Whitney U test.

Results: Groups were matched for age (jockeys (35 ± 12 years) and controls (36 ± 13 years)). Jockeys were shorter (1.64 ± 0.07 m vs. 1.75 ± 0.09 m, p < 0.001), lighter (56.5 ± 6.0 kg vs. 74.2 ± 12.9 kg, p < 0.001) and had a lower body surface area (BSA) (1.55 ± 0.17 m2 vs.1.9 ± 0.2 m2, p < 0.001). Jockeys had a larger absolute left ventricular (LV) end diastolic volume than the control group (120 ± 18.2 ml vs. 109.3 ± 29.0 ml, p = 0.05) which had a larger variation when indexed for BSA (78.0 ± 12.2 ml/m2 vs. 57.5 ± 13.3 ml/m2, p < 0.001). Jockeys demonstrated a higher LV mass index (79.4 ± 18.1 g/m2 vs. 64.2 ± 15.4 g/m2, p < 0.001). Left atrial volume index was larger in jockeys (33.4 ± 6.5 mL/m2 vs. 26.3 ± 7.0 mL/m2, p < 0.001). There were no differences in global longitudinal strain (GLS) for either group overall (-19.3 ± 3.0% vs. -19.8 ± 1.6%, p = 0.52), but 17% of the jockey group demonstrated an abnormal GLS.

Conclusions: Jockeys have adaptations to their cardiac structure and function compared to the general population. Differences could be attributed to chronic physiological demands of racing and should be considered in future research involving jockeys.

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来源期刊
Sports Medicine - Open
Sports Medicine - Open SPORT SCIENCES-
CiteScore
7.00
自引率
4.30%
发文量
142
审稿时长
13 weeks
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