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Title: Sequential Organ Failure Assessment Score and the Need for Organ Support Predict Mortality in Allogeneic Stem Cell Transplant Patients Admitted to the Intensive Care Unit.
Author: Díaz-Lagares C, Fox L, García-Roche A, Santafe M, Romera I, Barba P, Pacheco A, Roldán E, Plata-Menchaca E, Roca O, Pérez M, Valcarcel D, Ferrer R.
Journal: Transplant Cell Ther; 2021 Oct; 27(10):865.e1-865.e7. PubMed ID: 34217846.
Abstract:
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an effective therapy resulting in increased definitive cure rates or extended disease-free survival in various malignant and nonmalignant hematologic diseases. However, because of the high risk of severe complications of this therapy, up to 50% of patients may require being admitted to the intensive care unit (ICU) to manage life-threatening conditions. We aimed to evaluate the in-hospital mortality of allo-HSCT recipients admitted to the ICU and to identify those variables associated with in-hospital mortality. A 10-year (January 2010 to December 2019), single-center, retrospective study was conducted in Vall d´Hebron University Hospital, Barcelona. We included all consecutive allo-HSCT patients who required admission to the ICU. Baseline and disease-related characteristics were registered. Severity scores and the need for organ support were also assessed on days 1, 3, and 5 of ICU admission. In-hospital mortality-associated independent variables were identified using the Cox proportional hazards regression model. Three hundred twenty-three patients underwent allo-HSCT during the study period, of whom 82 (25%) were admitted to the ICU; 53 (65%) male, with a median age of 51 (38-59) years. Most patients received allo-HSCT for the treatment of lymphoma (20 patients [24%]) or acute leukemia (44 patients [54%]). The median Acute Physiology And Chronic Health Evaluation II score was 23 (17-28), and the median Sequential Organ Failure Assessment (SOFA) score on admission was 9 (7-11). Forty-nine (60%) patients died in the ICU, and 11 (13%) died in the hospital after being discharged from the ICU. Disease-related characteristics were not associated with mortality. Yet, SOFA score on day 1 (hazard ratio [HR]: 1.11 [95% confidence interval {CI}: 1.04-1.02]; P = .002), the need for vasopressors on day 3 (HR: 2.35 [95% CI: 1.27-4.36]; P = .007), and a nondecreasing SOFA score on day 5 (HR: 2.13 [95% CI: 1.03-4.39]; P = .04), were independently associated with in-hospital mortality. Mortality in allo-HSCT patients who require ICU admission remains high. In the present study, SOFA score, the need for vasopressors on day 3, and a nondecreasing SOFA score on day 5 predicted in-hospital mortality.

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