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Differential response to pulmonary rehabilitation in COPD: multidimensional profiling
Martijn A Spruit1, Ingrid M L Augustin2, Lowie E Vanfleteren2
1Dept of Research & Education, CIRO+, Center of Expertise for Chronic Organ Failure, Horn, The Netherlands martijnspruit@ciro-horn.nl.
The European Respiratory Journal
|October 11, 2015
Summary
Pulmonary rehabilitation significantly impacts patients with chronic obstructive pulmonary disease (COPD), but responses vary. Identifying distinct multidimensional response profiles is crucial for understanding treatment efficacy in COPD patients.
Area of Science:
- Pulmonary Medicine
- Rehabilitation Science
- Clinical Outcomes Research
Background:
- Chronic obstructive pulmonary disease (COPD) significantly impacts patients' quality of life.
- Pulmonary rehabilitation (PR) is a key intervention for COPD management.
- Assessing PR efficacy requires a comprehensive, multidimensional approach beyond single outcome measures.
Purpose of the Study:
- To profile the multidimensional response to pulmonary rehabilitation in a large cohort of COPD patients.
- To identify distinct patient clusters based on their response patterns to PR.
- To investigate the characteristics of patients within each response cluster.
Main Methods:
- A cohort of 2068 COPD patients undergoing a 40-session PR program was analyzed.
- Multidimensional responses including dyspnoea, exercise capacity, health status, mood, and daily activities were assessed.
- A novel non-parametric regression technique was used for patient clustering based on response profiles.
Main Results:
- Four distinct multidimensional response profiles were identified: "very good" (18.3%), "good" (35.9%), "moderate" (35.4%), and "poor" (10.5%) responders.
- The "very good responder" group exhibited higher baseline dyspnoea, anxiety, depression, and poorer health status.
- This group also had worse exercise performance and daily activity function, with a higher proportion receiving inpatient PR.
Conclusions:
- A multidimensional assessment is essential for evaluating pulmonary rehabilitation efficacy in COPD.
- Patient responses to PR are heterogeneous, necessitating tailored outcome analysis.
- Understanding these response profiles can inform personalized PR strategies for COPD patients.
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