Palliative care and health care utilization at the end of life.

152 Background: Palliative care’s role in oncology has expanded, but its impact on aggressiveness of care at the end of life has not been characterized at the population level. Methods: This matched retrospective cohort study examined the effect of an encounter with palliative care on healthcare utilization at the end of life among 6,580 Medicare beneficiaries with advanced prostate, breast, lung, or colorectal cancer. We compared healthcare utilization before and after palliative care consultation to a matched non-palliative care cohort. Results: The palliative care cohort had higher rates of healthcare utilization in the 30 days prior to palliative care consult compared to the non-palliative cohort, with higher rates of hospitalization (risk ratio [RR] 3.33; 95% CI 2.87-3.85), invasive procedures (RR 1.75; 95% CI 1.62-1.88), and chemotherapy administration (RR 1.61; 95% CI 1.45-1.78). The opposite pattern emerged in the interval from palliative care consultation through death, where the palliative care ...