Abstract
Complications following allogeneic hematopoietic cell transplantation (alloHCT) continue to be a significant challenge that often result in significant morbidity/mortality and increased healthcare utilization and cost. In this study, we analyzed the impact of post-alloHCT complications on healthcare utilization and cost during first year post-transplant. We analyzed data on 240 pediatric patients. Complications analyzed included kidney injury, liver injury, lung injury, viral infections, bacterial infections, fungal infections, and acute graft-versus-host disease (GVHD). Patients were divided into three groups based on the number of complications (0-1, 2-3, and >3). Cost was estimated from charges recorded in the Pediatric Health Information System database and hospital accounting records. Patients with >3 complications had higher healthcare utilization and cost, primarily driven by inpatient hospitalization and intensive care unit admissions. Multivariable analysis of risk factors identified bacteremia ($90,166, SE = 26,636, p < 0.001), lung injury ($108,529, SE = 28,196, p < 0.001), liver injury ($90,805, SE = 28,660, p = 0.002), and grade II-IV aGVHD ($137,866, SE = 28,472, p < 0.001) as associated with significantly increased cost. Our study highlights the significant impact complications have on the overall cost of alloHCT. The identification that complications associated with high morbidity (aGVHD, pulmonary disease) are also associated with the highest financial burden emphasizes the need for future research in these areas to expand management options and improve outcomes for our patients.
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