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Physical activity is the strongest predictor of all-cause mortality in patients with COPD: a prospective cohort study.

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TLDR
In this paper, the authors determined the prognostic value of objectively measured physical activity in comparison with established predictors of mortality and evaluated the prognosis value of noninvasive assessments of cardiovascular status, biomarkers of systemic inflammation, and adipokines.
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This article is published in Chest.The article was published on 2011-08-01. It has received 733 citations till now. The article focuses on the topics: Prospective cohort study & Cohort.

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Citations
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The concept of detection of dynamic lung hyperinflation using cardiopulmonary exercise testing

TL;DR: In this paper , the difference between the inspiratory tidal volume (TV I) and expiratory tidal volumes (TV E) per breath was calculated from the breath-by-breath data of each CPET and plotted it against the time axis.
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Endoscopic Lung Volume Reduction in COPD: The Impact of Coil Implantation on Patients' Physical Activity.

TL;DR: A clinically relevant improvement in patients’ physical activity after LVRC, measured as daily step count and mean daily active energy expenditure is shown, possibly associated with a positive effect on Patients’ morbidity and mortality.
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Tri-Axial Accelerometer-Based Recognition of Daily Activities Causing Shortness of Breath in COPD Patients

TL;DR: In this article , the authors evaluated the accuracy of the accelerometers in recognizing nine activities: changing clothes, standing, lying in a supine position, brushing teeth, moving luggage, going up/down the stairs, running, and walking.
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Activités physiques et réadaptation respiratoire

TL;DR: In this article, the authors evaluated different strategies exposees dans cette revue and leur impact socioeconomique on the performance of readaptation respiratoire (RR).
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Effects of home-based telehealth on the physical condition and psychological status of patients with chronic obstructive pulmonary disease: A systematic review and meta-analysis.

TL;DR: Low quality evidence showed that home-based telehealth interventions reduce symptom burden and increase walking distance to a clinically meaningful extent in patients with COPD, however, no effects on depression and anxiety were observed.
References
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Journal ArticleDOI

Lung volumes and forced ventilatory flows

TL;DR: Assessing the total lung capacity is indispensable in establishing a restrictive ventilatory defect or in diagnosing abnormal lung distensibility, as may occur in patients …
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The Body-Mass Index, Airflow Obstruction, Dyspnea, and Exercise Capacity Index in Chronic Obstructive Pulmonary Disease

TL;DR: The BODE index, a simple multidimensional grading system, is better than the FEV1 at predicting the risk of death from any cause and from respiratory causes among patients with COPD.
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Salmeterol and fluticasone propionate and survival in chronic obstructive pulmonary disease.

TL;DR: The reduction in death from all causes among patients with COPD in the combination-therapy group did not reach the predetermined level of statistical significance, and there were significant benefits in all other outcomes among these patients.
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