Background: Functional capacity assessment is important in patients with chronic obstructive pulmonary disease (COPD). It can be performed by the six-minute walk test (6MWT) on a 30meter track. However, such space is not always available in clinical settings. Objectives: To compare the performance between the 6MWT on a 30-(6MWT 30 ) and 20-meter (6MWT 20 ) track; to evaluate the validity and reliability of the 6MWT 30 and the 6MWT 20 ; and to determine for which patients track length has the greatest impact on performance. Methods: Patients with COPD randomly performed two 6MWT 30 and two 6MWT 20 on two different days and were also assessed using the COPD Assessment Test (CAT) and modified Medical Research Council (mMRC) scale. Results: Thirty patients (23 men; mean ± standard deviation FEV 1 %pred: 45.6 ± 12.1) participated in the study. They walked a greater distance on the 6MWT 30 than on the 6MWT 20 [mean difference: 22.1 m (95% CI: 12, 32 m)]. The longer the 6MWT 30 distance, the greater the difference between the 2 tests (r = 0.51; p = 0.004). The 6MWT 20 showed high reliability [ICC: 0.96 (95% CI: 0.77, 0.99)] and the results were associated with the distance walked on the 6MWT 30 (r = 0.86), CAT (r = −0.53), and mMRC (r = −0.62). Patients who walked ≥430 m in the 6MWT 30 presented a difference between the tests greater than those who walked <430 m (34.5 ± 23.3 m vs. 12.6 ± 24.1 m; respectively; p = 0.01).
The study objective was to determine a cut-off point for the Glittre activities of daily living (ADL)test (TGlittre) to discriminate patients with normal and abnormal functional capacity. Fifty-nine patients with moderate to very severe COPD (45 males; 65 ± 8.84 years; BMI: 26 ± 4.78 kg/m; FEV: 35.3 ± 13.4% pred) were evaluated for spirometry, TGlittre, 6-minute walk test (6 MWT), physical ADL, modified Medical Research Council scale (mMRC), BODE index, Saint George's Respiratory Questionnaire (SGRQ), and COPD Assessment Test (CAT). The receiver operating characteristic (ROC) curve was used to determine the cut-off point for TGlittre in order to discriminate patients with 6 MWT < 82% pred. The ROC curve indicated a cut-off point of 3.5 minutes for the TGlittre (sensitivity = 92%, specificity = 83%, and area under the ROC curve = 0.95 [95% CI: 0.89-0.99]). Patients with abnormal functional capacity had higher mMRC (median difference 1 point), CAT (mean difference: 4.5 points), SGRQ (mean difference: 12.1 points), and BODE (1.37 points) scores, longer time of physical activity <1.5 metabolic equivalent of task (mean difference: 47.9 minutes) and in sitting position (mean difference: 59.4 minutes) and smaller number of steps (mean difference: 1,549 minutes); p < 0.05 for all. In conclusion, the cut-off point of 3.5 minutes in the TGlittre is sensitive and specific to distinguish COPD patients with abnormal and normal functional capacity.
BACKGROUND AND OBJECTIVES:Among locomotor system diseases, pain is the most frequent symptom and, in addition to its high prevalence, it is important because it is present in diseases causing the highest negative impact on quality of life and productivity of affected individuals. This study aimed at investigating relevant topics on the influence of chronic osteoarticular pain on the functional capacity of the elderly. CONTENTS: A bibliographic study was carried out by querying major publications on the subject. Material was identified with the aid of electronic databases Medline, LILACS, Scielo and Pubmed. Keywords used were "chronic pain", "osteoarticular diseases" and "functional capacity". CONCLUSION: Further attention should be given to public policies implementing programs aiming especially at preventing and controlling chronic osteoarticular diseases, promoting functionality and better quality of life for this population. Keywords: Chronic pain, Functional capacity, Osteoarticular diseases. RESUMO JUSTIFICATIVA E OBJETIVOS:No âmbito das afecções do aparelho locomotor, a dor é o sintoma mais frequente e, além da alta prevalência, sua importância decorre por estar presente nas doenças que causam maior impacto negativo na qualidade de vida e na produtividade dos indivíduos acometidos. O objetivo deste estudo foi investigar tópicos relevantes sobre a influência da dor osteoarticular crônica na capacidade funcional no idoso. Influence of chronic pain on functional capacity of the elderly*
Purpose: To describe physiological responses during the 6-min step test (6MST) in patients with chronic obstructive pulmonary disease (COPD), to investigate whether COPD severity and test interruptions could determine different physiological responses, and to test the reproducibility of 6MST performance. Methods: Cross-sectional study. Patients with moderate to very severe COPD underwent lung function assessment and 2 6MSTs, with physiological responses measurement by a gas analyzer and a near-infrared spectroscopy device. Results: Thirty-six patients (29 men; forced expiratory volume in the first second of expiration [FEV1] = 51.1 ± 13.6%pred) participated in the study. Most of the physiological variables stabilized between the second and fourth minutes of the 6MST, except the respiratory rate and heart rate (HR), which stabilized after the fifth minute. The patients who interrupted the 6MST showed higher minute ventilation to maximal voluntary ventilation ratio ( JOURNAL/jcprh/04.03/01273116-202001000-00010/10FSM1/v/2023-09-11T232142Z/r/image-gif e/mvv; all test minutes) and HR (first and second minutes) (P < .05) and worse pulmonary function (FEV1 = 1.37 ± 0.37 L vs 1.82 ± 0.41 L, P = .002, and 47.2 ± 13.2%pred vs 56.6 ± 12.4%pred, P = .04, respectively) than those who did not interrupt the 6MST. However, their performance was similar (P = .11). 6MST performance and physiological variables were reproducible, and there was a learning effect of 6.28%. Conclusions: The 6MST showed a stabilization of the most physiological variables. In addition, interruptions were usually made by patients with a greater impairment of lung function and they presented greater increased ventilatory demand during the 6MST. However, these interruptions do not interfere with 6MST physiological responses. Moreover, the 6MST is a reliable test to evaluate the functional capacity of patients with COPD.
Objective: To determine the cutoff point for the London Chest Activity of Daily Living scale in order to better discriminate functional status. Secondarily, to determine which of the scores (total or %total) is better associated with clinical outcomes of a pulmonary rehabilitation program. Methods: Sixty-one patients with chronic obstructive pulmonary disease performed the following tests: spirometry; Chronic Obstructive Pulmonary Disease Assessment Test; Saint George's Respiratory Questionnaire; modified Medical Research Council, the body-mass index, airflow obstruction, dyspnea, and exercise capacity index; six-minute walk test; physical activity in daily life assessment and London Chest Activity of Daily Living scale. Thirty-eight patients were evaluated pre-and post-pulmonary rehabilitation. The cutoff point was determined using the receiver operating characteristic curve with six-minute walk test (cut-off point: 82%pred), modified Medical Research Council (cut-off point: 2), level of physical (in)activity (cut-off point: 80 min per day in physical activity ≥3 metabolic equivalent of task) and presence/absence of severe physical inactivity (cut-off point: 4580 steps per day) as anchors. Results: A cutoff point found for all anchors was 28%: modified Medical Research Council [sensitivity = 83%; specificity = 72%; area under the curve = 0.80]; level of physical (in)activity [sensitivity = 65%; specificity = 59%; area under the curve = 0.67] and classification of severe physical inactivity [sensitivity = 70%; specificity = 62%; area under the curve = 0.70]. The patients who scored ≤28% in %total score of London Chest Activity of Daily Living had lower modified Medical Research Council , Chronic Obstructive Pulmonary Disease Assessment Test,
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.