University of Calgary, Calgary, AB, Canada
Aynharan Sinnarajah , Madalene Earp , Pin Cai , Andrew Fong , Kelly Blacklaws , Safiya Karim , Winson Y. Cheung , Marc Kerba
Background: More patients are experiencing aggressive end-of-life (EOL) care. This is concerning as aggressive EOL care, on a population level, is associated with poor quality care. Specialist palliative care (PC) has been shown to help relieve EOL symptoms, improve patient quality of life, and reduce aggressive EOL care. This study aimed to estimate the impact of the timing of specialist PC, specifically PC delivered at least 3 months prior to death, on a colorectal cancer (CRC) patient’s risk experiencing aggressive care in the last 30 days of life. Methods: A population-based retrospective cohort study of adult patients who died from CRC in Alberta, Canada from 2011-2015. The Alberta Cancer Registry was used to identify the cohort, which was linked to healthcare resource use data in local, provincial, and national databases. Individuals who died < 30 days from CRC diagnosis were excluded. Patients who accessed any of the provinces specialist PC services were deemed exposed to specialist PC (includes PC consult team, intensive PC unit, palliative home care, hospice). Aggressive EOL care was defined as having experienced at least one of: hospital death, > 1 emergency department visit, > 1 hospital admission, > 14 days of hospitalization, ≥1 intensive care unit admission, ≥1 new chemotherapy program (or any treatment in the last 14 days of life). Logistic regression was used to model factors (specialist PC timing and clinical characteristics) associated with aggressive EOL care. Results: The cohort comprised 2979 patients. Most patients received specialist PC before death (58%); 60% had ≥1 indicator of aggressive EOL care. Relative to patients who received specialist PC > 3 months before death, patients who received specialist PC < 3 months before death were 1.5 times more likely to experience aggressive EOL care (CI: 1.2-1.9). Patients who received no specialist PC were 2.1 times more likely to experience aggressive EOL care (CI: 1.7-2.8). Short disease duration ( < 1 year from diagnosis to death), younger age at death, living in a rural area, and male sex, were also associated with higher odds of experiencing aggressive EOL care. Conclusions: Specialist PC delivered > 3 months before death reduces a CRC patient’s risk of experiencing aggressive EOL care over PC delivered < 3 months before death.
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