• Natasha Lovell, Simon N Etkind, Sabrina Bajwah, Matthew Maddocks, and Irene J Higginson.
• Cicely Saunders Institute of Palliative Care, Policy and Rehabilitation, King's College London, London, United Kingdom. Electronic address: natasha.lovell@kcl.ac.uk.
• J Pain Symptom Manage. 2019 Jan 1; 57 (1): 140-155.e2.

ContextBreathlessness is common and distressing in advanced illness. It is a challenge to assess, with few effective treatment options. To evaluate new treatments, appropriate outcome measures that reflect the concerns of people experiencing breathlessness are needed.ObjectivesThe objective of this study was to systematically review and synthesize the main concerns of people with advanced illness experiencing breathlessness to guide comprehensive clinical assessment and inform future outcome measurement in clinical practice and research.MethodsThis is a systematic review following Preferred Reporting Items for Systematic Reviews and Meta-Analyses methodology. MEDLINE (1946-2017), PsycINFO (1806-2017), and EMBASE (1974-2017), as well as key journals, gray literature, reference lists, and citation searches, identified qualitative studies exploring the concerns of people living with breathlessness. Included studies were quality-assessed using the Critical Appraisal Skills Program checklist and analyzed using thematic synthesis.ResultsWe included 38 studies with 672 participants. Concerns were identified across six domains of "total" breathlessness: physical, emotional, spiritual, social, control, and context (chronic and episodic breathlessness). Four of these have been previously identified in the concept of "total dyspnea." Control and context have been newly identified as important, particularly in their influence on coping and help-seeking behavior. The importance of social participation, impact on relationships, and loss of perceived role within social and spiritual domains also emerged as being significant to individuals.ConclusionPeople with advanced illness living with breathlessness have concerns in multiple domains, supporting a concept of "total breathlessness." This adapted model can help to guide comprehensive clinical assessment and inform future outcome measurement in clinical practice and research.Copyright © 2018 The Authors. Published by Elsevier Inc. All rights reserved.

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