Lisboa B Carmen, Barría P Paulina, Yáñez V Jorge, Aguirre Z Marcia, Díaz P Orlando
Departamento de Enfermedades Cardiovasculares, Pontificia Universidad Católica de Chile, Santiago, Chile.
Rev Med Chil. 2008 Aug;136(8):1056-64. Epub 2008 Oct 7.
Exercise capacity can be evaluated in patients with chronic obstructive pulmonary disease (COPD), measuring the distance that patients are able to walk in 6 minutes (six-minute walk distance test; 6WDT). This test is simple to perform, inexpensive, reproducible and safe. It has been frequently employed for the assessment of COPD patients due to its high prognostic value of mortality and its usefulness to evaluate long-term of therapeutic interventions. In severe stages of the disease, the declining results of the best are useful to detect worsening. This review describes the method, standardization and reference values for the 6WDY and the results obtained with different therapeutic interventions, based on data from the literature and from the authors' experience. We also review its predictive value for mortality and its value in the assessment of patients with more severe COPD.
慢性阻塞性肺疾病（COPD）患者的运动能力可通过测量患者在6分钟内能够行走的距离（六分钟步行距离测试；6WDT）来评估。该测试操作简单、成本低廉、可重复且安全。由于其对死亡率具有较高的预后价值以及对评估长期治疗干预措施有用，它已被频繁用于评估COPD患者。在疾病的严重阶段，最佳结果的下降有助于检测病情恶化。本综述基于文献数据和作者经验，描述了6WDY的方法、标准化和参考值以及不同治疗干预措施所获得的结果。我们还综述了其对死亡率的预测价值及其在评估更严重COPD患者中的价值。
