The considerable growth in the science and application of pulmonary rehabilitation since 2006 adds further support for its efficacy in a wide range of individuals with chronic respiratory disease.

This document has been developed by an international committee and has been endorsed by both the ATS and the ERS. It places pulmonary rehabilitation within the concept of integrated care. The World Health Organization has defined integrated care as "a concept bringing together inputs, delivery, management and organization of services related to diagnosis, treatment, care, rehabilitation and health promotion" (1). Integration of services improves access, quality, user satisfaction, and efficiency of medical care. As such, pulmonary rehabilitation provides an opportunity to coordinate care and focus on the entire clinical course of an individual's disease.Building on previous statements (2, 3), this document presents recent scientific advances in our understanding of the multisystemic effects of chronic respiratory disease and how pulmonary rehabilitation addresses the resultant functional limitations. It was created as a comprehensive statement, using both a firm evidence-based approach and the clinical expertise of the writing committee. As such, it is complementary to two current documents on pulmonary rehabilitation: the American College of Chest Physicians and American Association of Cardiovascular and Pulmonary Rehabilitation (AACVPR) evidence-based guidelines (4), which formally grade the level of scientific evidence, and the AACVPR Guidelines for Pulmonary Rehabilitation Programs (5), which give practical recommendations.

The ATS and ERS commit to undertake actions that will improve access to and delivery of PR services for suitable patients. They call on their members and other health professional societies, payers, patients, and patient advocacy groups to join in this commitment.

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The aim was to study the overall content and organisational aspects of pulmonary rehabilitation programmes from a global perspective in order to get an initial appraisal on the degree of heterogeneity worldwide.A 12-question survey on content and organisational aspects was completed by representatives of pulmonary rehabilitation programmes that had previously participated in the European Respiratory Society (ERS) COPD Audit. Moreover, all ERS members affiliated with the ERS Rehabilitation and Chronic Care and/or Physiotherapists Scientific Groups, all members of the American Association of Cardiovascular and Pulmonary Rehabilitation, and all American Thoracic Society Pulmonary Rehabilitation Assembly members were asked to complete the survey via multiple e-mailings.The survey has been completed by representatives of 430 centres from 40 countries. The findings demonstrate large differences among pulmonary rehabilitation programmes across continents for all aspects that were surveyed, including the setting, the case mix of individuals with a chronic respiratory disease, composition of the pulmonary rehabilitation team, completion rates, methods of referral and types of reimbursement.The current findings stress the importance of future development of processes and performance metrics to monitor pulmonary rehabilitation programmes, to be able to start international benchmarking, and to provide recommendations for international standards based on evidence and best practice. @ERSpublications Differences in aspects of pulmonary rehabilitation programmes suggest caution in generalisation of research findings