• Molly Touzel and Joshua Shadd.
• 1 Michael G. DeGroote School of Medicine, McMaster University , Kitchener, Ontario, Canada .
• J Palliat Med. 2018 Nov 1; 21 (11): 1627-1635.

BackgroundThe term "palliative approach" has emerged to connote healthcare activities provided consistent with the philosophy of palliative care, but not limited to specialized care providers or settings. A rigorous understanding of the palliative approach requires a conceptual model, which links the philosophy of palliative care to specific actions of practitioners, and is applicable to patients with any life-threatening illness, at any point on the disease trajectory, and provided by any care provider in any setting. This article proposes a conceptual model asserting that a palliative approach exists when care simultaneously addresses whole-person needs, enhances quality of life, and acknowledges mortality.ObjectiveTo test the content validity of the proposed model against definitions of palliative care in existing literature.DesignElectronic and manual literature searches identified definitions of palliative care and palliative approach. Two authors independently conducted thematic analysis to assess congruence with the domains of the proposed conceptual model.ResultsNineteen definitions were identified. The three domains were represented in the majority: whole-person care (17/19), quality-of-life focus (17/19), and mortality acknowledgement (15/19). Published definitions also included other concepts, but only one of these (family within the unit of care) appeared in more than a few definitions.ConclusionsThe content validity of the proposed conceptual model is supported by the consistent presence of the three domains in published definitions. This conceptual model bridges philosophical definitions and clinician behavior and has potential to inform broad implementation of a palliative approach, at both clinic and system levels.

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