How international experts would define advance care planning: a content analysis

Planning for future medical treatment, and care, referred to as advance care planning (ACP), has evolved to a focus on conversations that explore values and preferences in a broad sense. Given diverse practices internationally, we examined how international experts would define ACP themselves and whether this differs by medical profession. In an explorative study embedded in a Delphi study on ACP in dementia, experts in ACP in persons with dementia and other diseases reported at baseline how they would define ACP "in one sentence, off the top of your head". We analyzed the text of the reported definitions with content analysis, created codes to identify small definition elements, then merged them into categories. We assessed phrasing from a patient, healthcare professional, or neutral perspective. Almost half (45%) of 87 experts from 30 countries phrased ACP from a patient perspective (29% neutral, 26% professional). Codes (n=131) were merged into 19 categories. Five categories appeared in more than half of the definitions: 'Choosing between options', 'Care and treatment', 'Planning for the future', 'Individual person' and 'Having conversations'. Other categories, including 'End of life' and 'Documentation' were mentioned by a minority of experts. The categories and perspectives did not appreciably differ between physicians and other professionals. In conclusion, international experts from 30 countries typically defined ACP as person-centered conversations to choose future care and treatment, without focusing on end of life or documentation. Future research should evaluate the extent to which such conceptualization of ACP is present within clinical programs and practice recommendations and our work may serve as a starting point to monitor changes over time. Registration: World Health Organization Clinical Trial Registry Platform (NL9720).