• Sabina Antonela Antoniu, Lucian Vasile Boiculese, and Virgiliu Prunoiu.
• Department of Medicine II and L Boiculese, Department of Interdisciplinary Medicine, University of Medicine and Pharmacy Grigore T Popa, 700115 Iasi, Romania.
• Medicina (Kaunas). 2021 May 11; 57 (5).

AbstractBackground and Objectives: In advanced chronic obstructive pulmonary disease (COPD), functional status is significantly impaired mainly as a result of disease related respiratory symptoms such as dyspnea or as a result of fatigue, which is the extra-respiratory symptom the most prevalent in this setting. "Physical" frailty, considered to be an aging phenotype, has defining traits that can also be considered when studying impaired functional status, but little is known about this relationship in advanced COPD. This review discusses the relevance of this type of frailty in advanced COPD and evaluates it utility and its clinical applicability as a potential outcome measure in palliative care for COPD. Materials and Methods: A conceptual review on the functional status as an outcome measure of mortality and morbidity in COPD, and an update on the definition and traits of frailty. Results: Data on the prognostic role of frailty in COPD are rather limited, but individual data on traits of frailty demonstrating their relationship with mortality and morbidity in advanced COPD are available and supportive. Conclusions: Frailty assessment in COPD patients is becoming a relevant issue not only for its potential prognostic value for increased morbidity or for mortality, but also for its potential role as a measure of functional status in palliative care for advanced COPD.

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