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A simple semipaced 3-minute chair rise test for routine exercise tolerance testing in COPD.

ABSTRACT: The functional work capacity of chronic obstructive pulmonary disease (COPD) patients is usually assessed with walk tests such as the 6-minute walk test (6MWT) or the shuttle test. Because these exercise modalities require a controlled environment which limits their use by pulmonologists and severely restricts their use among general practitioners, different modalities of a short (1 minute or less) sit-to-stand test were recently proposed. In this study, we evaluated a new modality of a semipaced 3-minute chair rise test (3CRT) in 40 patients with COPD, and compared the reproducibility of physiological responses and symptoms during the 3CRT and their interchangeability with the 6MWT. The results demonstrate that physiological variables, heart rate, pulse oxygen saturation, work done, and symptoms (Borg dyspnea and fatigue scores), during the 3CRT were highly reproducible, and that the physiological responses and symptoms obtained during the 3CRT and the 6MWT were interchangeable for most patients. Moreover, these preliminary data suggest that patients able to perform more than 50 rises during 3 minutes had no significant disability. The simplicity and ease of execution of the 3CRT will facilitate the assessment of exercise symptoms and disability in COPD patients during routine consultations with pulmonologists and general practitioners, and will thus contribute to the improved management of COPD patients.

SUBMITTER: Aguilaniu B

PROVIDER: S-EPMC4181548 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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A simple semipaced 3-minute chair rise test for routine exercise tolerance testing in COPD.

Aguilaniu Bernard B Roth Hubert H Gonzalez-Bermejo Jesus J Jondot Marie M Maitre Jocelyne J Denis François F Similowski Thomas T

International journal of chronic obstructive pulmonary disease 20140923

The functional work capacity of chronic obstructive pulmonary disease (COPD) patients is usually assessed with walk tests such as the 6-minute walk test (6MWT) or the shuttle test. Because these exercise modalities require a controlled environment which limits their use by pulmonologists and severely restricts their use among general practitioners, different modalities of a short (1 minute or less) sit-to-stand test were recently proposed. In this study, we evaluated a new modality of a semipace ...[more]

PMID: 25285001

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Project description:BackgroundPeak oxygen uptake ( V˙O2peak ) measured by a cardiopulmonary exercise test (CPX) is the gold-standard for predicting surgical risk in patients with non-small cell lung cancer (NSCLC). The 3-minute chair rise test (3CRT) is a simple test requiring minimal resources. This study aimed to determine the ability of 3CRT to predict V˙O2peak in patients with NSCLC.MethodsRetrospective data from CPX and 3CRT carried out in 36 patients with NSCLC between March 2018 and February 2019 were included. A multivariate analysis was undertaken to derive a predictive V˙O2peak equation based on performance on the 3CRT. In addition, sensitivity-specificity analysis was carried out to estimate a threshold 3CRT value for the prediction of V˙O2peak ≥ 15 mL/kg/minute.ResultsThe following equation was obtained: V˙O2peak predicted = (0.04765 × FEV1) - (0.207 59 × BMI) - (0.115 89 × age) + (0.386 09 × vertical distance) + 16.628 69; r2 = 0.75, P < 0.01. The bias between the V˙O2peak values predicted and measured during CPX was 0.0 ± 1.7 mL/kg/minute (95% limits of agreement [-3.5 to 3.5]). A performance ≥49 chair rises predicted V˙O2peak ≥ 15 mL/kg/minute with a sensitivity of 0.75 and a specificity of 0.81.ConclusionsThe level of error in the prediction of V˙O2peak from 3CRT performance was too great to recommend that 3CRT should replace CPX as the sole measurement of V˙O2peak . Nevertheless, the 3CRT could help to identify those patients that require CPX prior to lung resection surgery for NSCLC, larger prospective study is needed to confirm this hypothesis.Key pointsSIGNIFICANT FINDINGS OF THE STUDY: Cardiopulmonary exercise tests can stratify the surgical risk. Prediction of the peak oxygen uptake ( V˙O2peak ) value from the 3CRT yields an unacceptable level of error. However, a performance of 49 chair rises or more during the 3CRT could indicate a V˙O2peak ≥ 15 mL / kg / minute.What this study addsThe 3CRT is a useful screening tool to determine the necessity for a comprehensive cardiopulmonary exercise test, whose access is limited in clinical practice. It could also allow early screening of patients requiring specific prehabilitation programs.

Project description:Background and objectivesField exercise tests (eg, 6-minute walk test [6MWT]) are important measures of functional exercise capacity in people with COPD. Shorter tests such as the 2-minute walk test (2MWT) may offer advantages in some populations but lack information about responsiveness to change. This study examined responsiveness, minimal important difference (MID), test-retest reliability, and construct validity of the 2MWT in people with stable COPD attending outpatient pulmonary rehabilitation (PR).MethodsAt pre-PR assessment, study participants completed a 2MWT twice in addition to usual measures (6MWT and Chronic Respiratory Questionnaire). At post-PR assessment following a standard PR program, measures were repeated and global rating of change scores obtained (patient and therapist). Pre-post program change scores were examined for correlations with change in 2-minute walk distance (2MWD) and used (where r≥0.3) to estimate the MID through anchor-based methods. Distribution-based estimates based on standard error of measurement were examined. Test-retest reliability (intraclass correlation coefficient [ICC] and Bland-Altman agreement) and validity (Pearson correlation with 6-minute walk distance [6MWD]) were reported.ResultsFifty-nine people (28 men) with stable COPD, mean age 68 years (SD 10 years), and percentage predicted forced expiratory volume in 1 second 48% (SD 20%) attended pre-PR assessment. Test-retest ICC for same-session 2MWD was 0.985. A mean difference of 2.4 m (95% confidence interval [CI] 0.7-4.0 m, P=0.006) occurred between the first and second trials. 2MWD and 6MWD were highly correlated (r=0.87, P<0.001). Forty-one participants completed PR and were included in responsiveness and MID analysis. Mean 2MWD improved significantly post-PR (8.8 m, 95% CI 3.6-14 m, P=0.001). The MID in 2MWD, anchored against clinically meaningful change in 6MWD, was 5.5 m (area under curve =0.81, P=0.001). Distribution-based methods estimated an MID of 4 m.ConclusionChange in 2MWD of at least 5.5 m following a PR program corresponded to a clinically meaningful change. A practice test is recommended due to learning effects.

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A simple semipaced 3-minute chair rise test for routine exercise tolerance testing in COPD.

Publications

A simple semipaced 3-minute chair rise test for routine exercise tolerance testing in COPD.

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