患有间歇性跛行的男性和女性在行走过程中的生理反应。

IF 1.1 Q2 MEDICINE, GENERAL & INTERNAL
Einstein-Sao Paulo Pub Date : 2023-12-15 eCollection Date: 2023-01-01 DOI:10.31744/einstein_journal/2023AO0120
Roberto Sanches Miyasato, Alex Jesus Felix, Aluísio Andrade-Lima, Natan Daniel da Silva Júnior, Raphael Mendes Ritti-Dias, Nelson Wolosker, Véronique Cornelissen, Karla Fabiana Goessler, Claúdia Lúcia de Moraes Forjaz
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引用次数: 0

摘要

背景Miyasato 等人的研究表明,患有外周动脉疾病和间歇性跛行的男性和女性在步行过程中的峰值耗氧量、步行经济性、无氧阈值和心血管反应(心率、血压和心率压力乘积)相似。患有间歇性跛行的男性和女性在步行时的生理反应没有差异。性别本身并不是要求间歇性跛行患者改变步行处方的因素:目的:峰值耗氧量(VO2peak)、无氧阈值、步行经济性和步行时的心血管反应用于指导和监测外周动脉疾病和间歇性跛行患者的步行训练。患有外周动脉疾病和间歇性跛行的女性患者比男性患者有更大的障碍,因此根据性别评估训练指标以决定该人群的步行处方非常重要。本研究旨在比较患有外周动脉疾病和间歇性跛行的男性和女性患者在步行过程中的VO2峰值、步行经济性、无氧阈值和心血管反应:40名患者(20名男性和20名女性,基线特征相似)接受了心肺跑步机测试(3.2km/h,坡度每2分钟增加2%,直至最大腿痛)。对 VO2 和速率-压力乘积进行了评估。男女数据采用t检验进行比较:结果:男性和女性的数据没有明显差异(VO2 峰值:15.0±4.8 与 VO2 峰值:15.0±4.8):10.5±3.2对10.5±2.2mL∙kg-1∙min-1,p=0.98;第一阶段率压积:13465±2910对14445±4379bpm∙mmHg,p=0.41;无氧阈值时的速率压力乘积:13,673±3,100 对 16,390±5,870bpm∙mmHg, p=0.08;峰值运动时的速率压力乘积:21,253±6,141 对 21,923±7,414bpm∙mmHg, p=0.76):结论:患有外周动脉疾病且基线特征相似的男性和女性对步行的反应相似,这表明在这一特殊人群中,无论性别如何,都可以做出关于步行处方和监测的决定。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physiological responses during walking in men and women with intermittent claudication.

Background: Miyasato et al. show that peak oxygen consumption, walking economy, anaerobic threshold, and cardiovascular responses (heart rate, blood pressure, and rate pressure product) during walking were similar between men and women with peripheral artery disease and intermittent claudication. There were no differences in the physiological responses to walking between men and women with intermittent claudication. Sex per se is not a factor that demands changes in walking prescription for patients with intermittent claudication.

Objective: Peak oxygen consumption (VO2peak), anaerobic threshold, walking economy, and cardiovascular responses during walking are used to guide and monitor walking training in patients with peripheral artery disease and intermittent claudication. Women with peripheral artery disease and intermittent claudication present greater impairments than men, and evaluating training markers according to sex for decisions regarding walking prescription in this population is important. This study aimed to compare VO2peak, walking economy, anaerobic threshold, and cardiovascular responses during walking in men and women with peripheral artery disease and intermittent claudication.

Methods: Forty patients (20 men and 20 women with similar baseline characteristics) underwent a cardiopulmonary treadmill test (3.2km/h and 2% increase in slope every 2 minutes until maximal leg pain). The VO2 and rate-pressure product were assessed. Data from men and women were compared using t-tests.

Results: There were no significant differences between men and women (VO2peak: 15.0±4.8 versus 13.9±2.9mL∙kg-1∙min-1, p=0.38; walking economy: 9.6±2.7 versus 8.4±1.6mL∙kg-1∙min-1, p=0.09; anaerobic threshold: 10.5±3.2 versus 10.5±2.2mL∙kg-1∙min-1, p=0.98; rate pressure product at 1st stage: 13,465± 2,910 versus 14,445±4,379bpm∙mmHg, p=0.41; and rate pressure product at anaerobic threshold:13,673±3,100 versus 16,390±5,870bpm∙mmHg, p=0.08 and rate pressure product at peak exercise: 21,253±6,141 versus 21,923±7,414bpm∙mmHg, p=0.76, respectively).

Conclusion: Men and women with peripheral artery disease and similar baseline characteristics presented similar responses to walking, suggesting that decisions regarding walking prescription and monitoring can be made regardless of sex in this specific population.

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Einstein-Sao Paulo
Einstein-Sao Paulo MEDICINE, GENERAL & INTERNAL-
CiteScore
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210
审稿时长
38 weeks
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