Postoperative Outcomes and Recovery Trajectory Among Patients with Gastrointestinal Cancer Undergoing Emergency General Surgery.
retrospective_cohort · Level III
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- Also identified by DOI 10.1097/XCS.0000000000002008.
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Abstract
For older adults with gastrointestinal cancer undergoing emergency general surgery, perioperative metrics do not capture prolonged institutional dependence after operation. We characterized 12-month days elsewhere than home (DEH) recovery trajectories and identified factors associated with protracted recovery (PR) and sustained high DEH (SH-DEH). We performed a retrospective cohort study using SEER-Medicare (2005-2019) of beneficiaries aged ≥66 years with gastrointestinal cancer undergoing emergency general surgery. Monthly DEH over 12 postoperative months was modeled using group-based trajectory modeling. Modified Poisson regression identified preoperative and postoperative factors associated with PR and SH-DEH. Among 15,398 patients, 6,852 were male, 8,546 were female, and 11,917 (77.4%) were White. Four trajectories were identified: routine recovery, 42.5% (n=6,543); chronically dependent, 37.1% (n=5,719); PR, 7.2% (n=1,109); and SH-DEH, 13.2% (n=2,027). SH-DEH was associated with stage IV disease (aRR 2.39, 95% CI 2.07-2.76), frailty (aRR 2.58, 95% CI 2.09-3.19), Charlson Comorbidity Index >2 (aRR 1.37, 95% CI 1.24-1.53), and intrahepatic cholangiocarcinoma (aRR 3.52, 95% CI 2.58-4.82). PR was associated with stage IV disease (aRR 1.92, 95% CI 1.59-2.32), Charlson Comorbidity Index >2 (aRR 1.79, 95% CI 1.55-2.08), claims-based frailty risk (aRR 4.50, 95% CI 3.68-5.52), and pancreatic cancer (aRR 2.52, 95% CI 2.09-3.04) (all p<0.001). Major postoperative complications, prolonged length of stay, and ICU admission increased likelihood of both PR and SH-DEH. Model discrimination ranged from 0.74 to 0.84. Older adults with gastrointestinal cancer undergoing emergency general surgery demonstrated distinct DEH recovery trajectories. Frailty, advanced disease, comorbidity, and postoperative complications identified patients at risk for prolonged recovery or sustained institutional dependence.