Browsing by Author "Mahadeo, K.M."

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    Acute respiratory failure and the kinetics of neutrophil recovery in pediatric hematopoietic cell transplantation: a multicenter study
    (Springer Nature, 2020-02) Moffet, J.R.; Mahadeo, K.M.; McArthur, J.; Hsing, D.D.; Gertz, S.J.; Smith, L.S.; Loomis, A.; Fitzgerald, J.C.; Nitu, M.E.; Duncan, C.N.; Hall, M.W.; Pinos, E.L.; Tamburro, R.F.; Simmons, R.A.; Troy, J.; Cheifetz, I.M.; Rowan, C.M.; Pediatrics, School of Medicine
    In this multicenter study, we investigated the kinetics of neutrophil recovery in relation to acuity and survival among 125 children undergoing allogeneic hematopoietic cell transplantation (allo-HCT) who required invasive mechanical ventilation (IMV). Recovery of neutrophils, whether prior to or after initiation of IMV, was associated with a significantly decreased risk of death relative to never achieving neutrophil recovery. A transient increase in acuity (by oxygenation index and vasopressor requirements) occurred among a subset of the patients who achieved neutrophil recovery after initiation of IMV; 61.5% of these patients survived to discharge from the intensive care unit (ICU). Improved survival among patients who subsequently achieved neutrophil recovery on IMV was not limited to those with peri-engraftment respiratory distress syndrome. The presence of a respiratory pathogen did not affect the risk of death while on IMV but was associated with an increased length of IMV (p < 0.01). Among patients undergoing HCT who develop respiratory failure and require advanced therapeutic support, neutrophil recovery at time of IMV and/or presence of a respiratory pathogen should not be used as determining factors when counseling families about survival.