Source: Annual Congress 2010 - Exercise training: new groups, new methods and outcomes
Disease area: Airway diseases

Abstract

Pulmonary rehabilitation is a well established treatment in COPD patients.However,new methods to enhance the long term maintenence of the physiological benefits of training are needed.Moreover,we aim at enhancing adherence to pulmonary rehabilitation programs even without direct supervision.To this end,the current study explores both applicability and physiological effects of nordic walking(NW)in COPD patients.A potential final outcome may be the use of NW as part of patient‘s self-management to enhance sustainability of training effects.
7 clinically stable COPD patients with with normal body mass composition(65±9 years,FEV₁ 53±17%,BMI 26±3 Kg/m²)were studied using 4 different types of exercise protocols:6min walk test(6MWT),NW during 6min(NW6),NW6 on sand(NW6S)and incremental shuttle test(IST).Physiological responses were monitored during each exercise protocol using a portable gas analyzer.
The 3 endurance exercise protocols showed a VO₂ plateau after the 3rd min of exercise.However, the tests showed significant differences between the principal physiological variables(as a % of the peak achieved in the IST).

	VO2 fin (%)§	VE fin (%)§	HR fin (%)§	Δ Borg_dyspnea	Δ Borg_fatigue
6MWT	88.4±15†	81.7±11.1‡	101.6±12.9	1.7±1.1*	1.7±1.1
NW6	105.2±15.6†	100.6±8.8‡	109.7±10	3.8±1.6*	2±2.3
NW6S	112.9±20.2†	109.6±19.6‡	115.2±13	4.7±2.4*	3±2.2

†‡*ANOVA(p≤0.05)§expressed as a percentage of the maximum achieved in the IST

We conclude that NW can be applicable for non-supervised training in moderate to severe COPD patients achieving higher intensity of exercise than during 6MWT.
Sponsored by:Col·legi de Fisioterapeutes de Catalunya R02-2007;SEPAR 0123/09;FIS PI061510.

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Citations should be made in the following way:
A. Barberán, A. Arbillaga, E. Gimeno, Y. Torralba, D. A. Rodríguez, J. Roca, J. Vilaró (Barcelona, Spain). Analysis of physiological responses to nordic walking in COPD patients. Eur Respir J 2010; 36: Suppl. 54, 4873

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