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Integrative Palliative Care Service Model Improved End-of-Life Care and Overall Survival of Advanced Cancer Patients in Hong Kong: A Review of Ten-Year Territory-Wide Cohort.

Background: Integrated palliative care in oncology service has been widely implemented in Hong Kong since 2006. Aim: The study aimed to review its impact on end-of-life outcomes and overall survival (OS) of cancer patients, as well as its utilization of health care resources in the past 10 years. Design: Cancer deaths of all 43 public hospitals of Hong Kong were screened. Setting/Participants: Randomly selected 2800 cancer deaths formed a representative cohort in all seven service clusters of Hospital Authority at four time points (2006, 2009, 2012, and 2015). Individual patient records were thoroughly reviewed. Propensity score-matched (PSM) analysis was employed to compare the survival of patients. Results: Palliative care provision was associated with improved palliative care outcome, including more prescription of strong opioid, fewer cardiopulmonary resuscitations and intensive care unit admissions, and less futile chemotherapy usage in the end-of-life period (all p < 0.001). In the PSM analysis, the median OS in patients with palliative service (5.10 months, 95% confidence interval [CI] 4.52-5.68 months) was significantly better than those without palliative service (1.96 months, 95% CI 1.66-2.27 months). Patients in the palliative care group had more specialist clinic visits (p < 0.001) and longer hospital stay (p < 0.001) in the last six months of life, although the duration of last admission stay at acute general ward was shortened (p < 0.001). Conclusion: Our results suggested palliative care has played a role in the remarkable improvement in end-of-life outcomes and OS. However, current palliative care model relied heavily on hospital resources. Future work is needed to strengthen community care and to build up quality monitoring systems.