305 Background: Palliative care has proven benefits in elderly patients with advanced cancer; however, the objective benefits of palliative care in younger patients with cancer remain under-studied. We sought to examine the impact of inpatient palliative care consultation on end-of-life (EOL) care among hospitalized patients with early-onset colorectal cancer (EO-CRC). Methods: This study analyzed all admissions in the National Inpatient Sample (NIS) between 2016 and 2020 for patients younger than 50 years old with a diagnosis of CRC and death during the admission. Patients with CRC were identified utilizing ICD-10 codes C18.x, C19.x, and C20.x. Patient cohorts were made based on if they received inpatient palliative care consultation (ICD-10 code Z515). We assessed these encounters for patient demographics, Charlson comorbidity index (CCI), utilization of mechanical ventilation, vasopressors or blood transfusion, and presence of a Do Not Resuscitate (DNR) order. Results: Among 4,060 patients with EOCRC, 2,425 (59.7%) received inpatient palliative care consultation. There was no significant difference in age or length of stay between groups. The cohort of patients who received palliative care consultation had more female patients (44.3% vs 39.8%, p=0.004) and had higher comorbidity burden measured by the CCI (8.6 vs 8.3, p<.001). Patients receiving inpatient palliative care consultation at EOL were significantly more likely to have a DNR order (83.3% vs 44.6%, p<.001) in place and less likely to receive aggressive interventions, including mechanical ventilation (20.4% vs 43.4%, p<.001), blood transfusion (14.8% vs 22.6%, p<.001), vasopressor use (6.2% vs 8.6%, p=.004), and surgical intervention (3.0% vs 7.3%, p<.001). There was no difference in chemotherapy use between cohorts (2.8% vs 2.9%, p=0.8). Admissions including palliative care consultation were also associated with significantly lower average hospital charges ($99,387 vs $131,993, p<.001). Conclusions: Inpatient palliative care consultation at EOL among patients with EOCRC was associated with lesser use of aggressive interventions and higher rates of DNR code status. We also noted significantly lower costs of hospitalization among patients receiving inpatient palliative care consultation at EOL. These results underscore the importance of integration of inpatient palliative care consultation among patients with EOCRC at EOL. No PalliativeN=1635 PalliativeN=2425 p-value Age (in years) 41.9 ± 6.1 42.1 ± 6.5 .28 CCI 8.3 ± 2.6 8.6 ± 2.3 <.001 Total Charges 131993 ± 206404 99387 ± 151864 <.001 DNR 730 (44.6%) 2020 (83.3%) <.001 Blood transfusion 370 (22.6%) 360 (14.8%) <.001 Mechanical ventilation 710 (43.4%) 495 (20.4%) <.001 Vasopressor 140 (8.6%) 150 (6.2%) .004 Chemotherapy 45 (2.8%) 70 (2.9%) .800 Surgery 125 (7.3%) 75 (3.0%) <.001
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