Abstract
BackgroundEarly integration of Specialist Palliative Care (SPC) with oncological care improves quality of life (QOL) of patients with advanced cancer; however, patients tend to access SPC late in their disease trajectory, if at all. Routine referral of all patients to SPC would quickly overwhelm available resources, suggesting a need for widespread accessibility of generalist PC competencies. This has been increasingly facilitated by dedicated palliative radiotherapy (PRT) clinics, such as the multidisciplinary Palliative Radiation Oncology (PRO) program at the Cross Cancer Institute (CCI). Our objectives were to estimate the proportion of patients dying with breast cancer seen in consultation for PRT, and the interaction between PRT delivery and SPC referral. MethodsThis secondary analysis of routinely collected health data examined female adults with breast cancer who died between 04/01/2013 and 03/31/2014, and had advanced disease while under the care of a CCI oncologist. Alberta Cancer Registry, electronic medical records, and Edmonton Zone Palliative Care Program data were linked. During the study period, referrals for SPC, and setting of assessment for PRT, were at the attending physicians’ discretion. Clinical data were abstracted including summaries of intervals between PRT and SPC consultations, as well as from consults to death. Kaplan-Meier survival estimates, independent samples median tests, t tests of proportions, independent t tests and Chi-square tests compared groups. ResultsOf 194 patients, median age at cancer diagnosis was 59 years (range 24-95yrs), median one-way distance from the CCI was 18.8km, and overall median survival (MS) was 4.4 years. 130/194 (67.0%) and 110/194 (56.7%) were assessed for PRT and by SPC respectively; 22/194 (11.3%) saw neither prior to death. Median time between first PRT consultation and death was 11.7 months (interquartile range 3.7-22.2 mos). Median time between first SPC consult and death was 2.9 mos (IQR 1-6.2 mos). 65.6% of those who never had PRT ultimately required SPC involvement, versus 52.3% of those receiving PRT. Of the 68/130 who had both, 91.2% were seen for PRT first, a median of 7.9 mos prior to seeing SPC. Patients who had SPC consultation without previous PRT were seen by PC a median 1.5 mos prior to death (IQR 0.6-4.9 mos). Patients seen for PRT outside of the PRO clinic had SPC consultation a median of 3.3 mos before death (IQR 1.2-6.2 mos), versus those seen by the PRO clinic team, who were referred a median of 6.2 mos prior (IQR 2.4-8.1 mos). ConclusionsFewer advanced breast cancer patients who received PRT ultimately required SPC consultation, but those who did were referred earlier in their disease course, especially if PRT assessment and delivery had taken place in the setting of a dedicated multidisciplinary team.
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