Dyspnea during exercise and voluntary hyperpnea in women with obesity.
Dyspnea during exercise and voluntary hyperpnea in women with obesity.
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DOI：
10.1016/j.resp.2021.103638
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发表时间：
2021-05
影响因子：
2.3
通讯作者：
Babb TG
中科院分区：
文献类型：
--
作者：
Spencer MD;Balmain BN;Bernhardt V;Wilhite DP;Babb TG
研究了肥胖女性在恒定负荷和递增负荷运动以及自主呼吸过度（EVH）过程中呼吸急促（RBP）的时间反应。在6分钟的恒定负荷（60 W）循环后，34名女性评定RPB≥4（+DOE），22名女性评定RPB≤2（−DOE）。两组均以40和60 L/min的速度完成递增循环试验和EVH试验;每分钟递增循环和每次EVH试验结束时评估RPB。在恒定负荷（+DOE：R2=0.86; −DOE：R2=0.82）和增量（+DOE：R2=0.91; −DOE：R2 =0.92）运动中，RPB随通气而增加，但+DOE的y轴截距大于−DOE（60 W：-0.16 ±1.53 vs-0.73 ±0.55;增量：-0.50 ±1.40 vs-1.71 ±0.84）。尽管通气匹配，但+DOE组的RPB在基线（0.97±1.14 vs 0.14±0.28）、EVH期间40 L/min（2.50±1.43 vs 0.98±0.91）和60 L/min（3.94±2.19 vs 2.07±1.32）时更大。这些结果表明，尽管RPB和运动期间的通气和自主呼吸过度之间存在线性相关性，但与−DOE相比，+DOE中给定呼吸需求下的呼吸急促感知增强。
Temporal responses of ratings of perceived breathlessness (RBP) during constant-load and incremental exercise, and during voluntary hyperpnea (EVH) were examined in obese women. Following 6min of constant-load (60W) cycling, 34 women rated RPB≥4 (+DOE) and 22 women rated RPB≤2 (−DOE). Both groups completed an incremental cycling test and an EVH test at 40 and 60L/min; RPB was assessed each minute of incremental cycling and at the end of each EVH trial. RPB increased with ventilation during constant-load (+DOE: R2=0.86; −DOE: R2=0.82) and incremental (+DOE: R2=0.91; −DOE: R2=0.92) exercise, but +DOE had a greater y-intercept than −DOE (60W: −0.16±1.53 vs −0.73±0.55; incremental: −0.50±1.40 vs −1.71±0.84). Despite matching ventilation, RPB was greater in +DOE at baseline (0.97±1.14 vs 0.14±0.28), 40L/min (2.50±1.43 vs 0.98±0.91), and 60L/min (3.94±2.19 vs 2.07±1.32) during EVH. These findings show that despite linear associations between RPB and ventilation during exercise and voluntary hyperpnea, breathlessness perception at a given ventilatory demand is heightened in +DOE compared with −DOE.
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影响因子：
4.9
作者：
DeLorey, DS;Wyrick, BL;Babb, TG
通讯作者：
Babb, TG
DOI：
10.1249/00005768-198205000-00012
发表时间：
1982-01-01
期刊：
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
影响因子：
--
作者：
BORG, GAV
通讯作者：
BORG, GAV
影响因子：
9.6
作者：
Lorenzo, Santiago;Babb, Tony G.
通讯作者：
Babb, Tony G.
影响因子：
3.3
作者：
Moosavi, SH;Banzett, RB;Butler, JP
通讯作者：
Butler, JP
影响因子：
3
作者：
Garet, M;Boudet, G;Chamoux, A
通讯作者：
Chamoux, A