Perception of breathlessness during exercise in patients with respiratory disease

Mahler, Donald A.; Horowitz, Mitchell

doi:10.1249/00005768-199409000-00002

Cited by 69 publications

(53 citation statements)

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“…They also reported that a majority of the perceptual responses estimated during a multistage progressive exercise test fell outside the "normal" perceptual zone that was generated from healthy adolescents. Mahler and Horowitz (1994) used perceptual discriminate function analysis in the evaluation of patients with mild to moderate (FEV1 2 50% of predicted) and severe (FEV1<50% of predicted) chronic obstructive pulmonary disease. They reported that the slope corresponding to the relationship between dyspnea and power output was greater in the patients with severe disease when compared to the mild to moderate disease group.…”

Section: Metabolic Equivalentsmentioning

confidence: 99%

A Normative Zone of Rpe Ratings for Use during Graded Exercise Testing

et al. 2007

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The purposes of this investigation were to identify a zone of normality for ratings of perceived exertion (RPE) and to compare the RPE responses in patients with coronary artery disease to this zone. The zone was generated from RPE estimated during the last minute of each stage of a Bruce treadmill test in 44 normal adult men. RPE were regressed against the corresponding MET level for each exercise stage. The zone was established as the 95% confidence interval (CI) spanning the average RPE vs MET regression line. RPE estimated during the last 1.0 min. of a Bruce or Modified Balke treadmill test administered to adult men (n=37) with coronary artery disease were compared to the 95% CI zone. A total of 19 (51%) of the coronary artery disease patients estimated RPE during a progressively incremented treadmill test that were above the zone, indicating a comparatively greater than normal perception of strain for a given metabolic stress. The presently generated zone provides a practical use of RPE in the interpretation of clinical exercise tests.

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Section: Metabolic Equivalentsmentioning

confidence: 99%

A Normative Zone of Rpe Ratings for Use during Graded Exercise Testing

et al. 2007

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“…Patients are asked to rate their baseline dyspnea using Borg dyspneascale ( Table 2). The Borg scale is based on the modified CR 10 categorical scale with scores form 0 to 10, where 0 (as a measure of dyspnea) corresponds to sensation of normal breathing with no dyspnea and 10 corresponds to subject's maximum possible sensation of dyspnea [16]. The same scale was used to assess post exercise dyspnea in each 6 MWT.…”

Section: Methodsmentioning

confidence: 99%

Correlation of Self-Reported Breathlessness with Post Exercise Dyspnea in Obesity

Agustin¹,

Chang²,

Unterborn³

et al. 2017

OJRD

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Background: Dyspnea in obesity is common and dyspnea questionnaires are mostly validated for chronic respiratory diseases. The study aims to assess how modified Medical Research Council (mMRC) dyspnea scale correlates with post exercise dyspnea Borg scale in 6-minute walk test of the obese population. Methods: We performed a retrospective observational study on 342 obese patients with 6 MWT tests from February 2008 to November 2014 at a single tertiary hospital. Linear regression analysis was used to assess the relationship between mMRC and Borg dyspnea score. Fractional polynomial regression was used to analyze the relationship of mMRC and Borg scores with BMI. Results: MMRC dyspnea score was a strong predictor of post exercise dyspnea Borg score in the obese population in a univariate regression model (coefficient = 0.764, p ≤ 0.001). When adjusted to age, BMI, 6 MWT distance and PFT parameters in a multivariate regression model, the relationship remained statistically significant (coefficient = 0.587, p ≤ 0.001). The relationship was stronger in obese group with no airflow obstruction. Conclusion: In obese population, pre-exercise mMRC dyspnea score correlates significantly with post exercise dyspnea Borg score regardless of airflow obstruction. This is the first validity study regarding mMRC scale in assessing dyspnea in the obese population.

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“…In all patients, the change in distance covered during 6MWT (Δ6MWD) after PR was recorded. Before and immediately after the 6MWT, patients rated the magnitude of their perceived breathlessness and of their leg fatigue using a modified Borg scale (0-10 points) [21] .…”

Section: Walking Capacitymentioning

confidence: 99%

Effects of Pulmonary Rehabilitation in Patients with Non-Cystic Fibrosis Bronchiectasis: A Retrospective Analysis of Clinical and Functional Predictors of Efficacy

et al. 2015

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sures after PR was assessed. Both univariate and multiple logistic analyses were performed to evaluate the presence of independent predictors of the efficacy of PR. Results: One hundred and eight patients [49 males, mean age 71 years, mean forced expiratory volume in 1 s (FEV 1 ) 76% predicted] were included. After PR, there was a significant improvement in 6MWD, TDI, and EQ-VAS score (p < 0.001). Changes in 6MWD and EQ-VAS score correlated with baseline FEV 1 , FEV 1 /vital capacity (VC), residual volume, transfer factor of the lung for carbon monoxide, and the number of exacerbations in the previous year. Both univariate and multivariate logistic regression analyses showed that male gender, baseline FEV 1 /VC <70%, and >2 exacerbations in the previous year were independent predictors of PR efficacy in terms of an improvement in 6MWD. Conclusions: Our study supports the inclusion of patients with bronchiectasis in PR programs. Clinical and functional baseline findings partially predict the response to PR in terms of exercise tolerance. Further prospective, randomized, controlled trials are needed. © 2015 S. Karger AG, Basel Key Words Bronchiectasis · Pulmonary rehabilitation · Predictors of efficacy Abstract Background:International guidelines recommend the inclusion of patients with bronchiectasis in pulmonary rehabilitation (PR) to improve exercise capacity and health-related quality of life (HRQoL). At present, the effect of PR in these patients has been poorly investigated. Objective: The aim of our retrospective analysis was to evaluate the effects and predictors of success for a PR program in patients with bronchiectasis not related to cystic fibrosis (non-CF bronchiectasis). Methods: One hundred and thirty-five non-CF bronchiectasis inpatients, allocated to a 3-week PR program, were retrospectively evaluated. Exercise capacity (6-min walk distance, 6MWD), dyspnea (Baseline/Transition Dyspnea Index, BDI/TDI), and HRQoL [EuroQol visual analogue scale (EQ-VAS)] were assessed before and after PR. The relationship between baseline parameters and changes in outcome mea-

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Perception of breathlessness during exercise in patients with respiratory disease

Cited by 69 publications

References 0 publications

A Normative Zone of Rpe Ratings for Use during Graded Exercise Testing

A Normative Zone of Rpe Ratings for Use during Graded Exercise Testing

Correlation of Self-Reported Breathlessness with Post Exercise Dyspnea in Obesity

Effects of Pulmonary Rehabilitation in Patients with Non-Cystic Fibrosis Bronchiectasis: A Retrospective Analysis of Clinical and Functional Predictors of Efficacy

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