• Frédéric Pène, Cécile Aubron, Elie Azoulay, François Blot, Guillaume Thiéry, Bruno Raynard, Benoît Schlemmer, Gérard Nitenberg, Agnès Buzyn, Philippe Arnaud, Gérard Socié, and Jean-Paul Mira.
• Medical Intensive Care Unit, Cochin Hospital, AP-HP, Paris, France. frederic.pene@cch.aphp.fr
• J. Clin. Oncol. 2006 Feb 1;24(4):643-9.

PurposeBecause the overall outcome of critically ill hematologic patients has improved, we evaluated the short-term and long-term outcomes of the poor risk subgroup of allogeneic hematopoietic stem-cell transplantation (HSCT) recipients requiring admission to the intensive care unit (ICU).Patients And MethodsThis was a retrospective multicenter study of allogeneic HSCT recipients admitted to the ICU between 1997 and 2003.ResultsTwo hundred nine critically ill allogeneic HSCT recipients were included in the study. Admission in the ICU occurred during the engraftment period (< or = 30 days after transplantation) for 70 of the patients and after the engraftment period for 139 patients. The overall in-ICU, in-hospital, 6-month, and 1-year survival rates were 48.3%, 32.5%, 27.2%, and 21%, respectively. Mechanical ventilation was required in 122 patients and led to a dramatic decrease in survival rates, resulting in in-ICU, in-hospital, 6-month, and 1-year survival rates of 18%, 15.6%, 14%, and 10.6%, respectively. Mechanical ventilation, elevated bilirubin level, and corticosteroid treatment for the indication of active graft-versus-host disease (GVHD) were independent predictors of death in the whole cohort. In the subgroup of patients requiring mechanical ventilation, associated organ failures, such as shock and liver dysfunction, were independent predictors of death. ICU admission during engraftment period was associated with acceptable outcome in mechanically ventilated patients, whereas patients with late complications of HSCT in the setting of active GVHD had a poor outcome.ConclusionExtensive unlimited intensive care support is justified for allogeneic HSCT recipients with complications occurring during the engraftment period. Conversely, initiation or maintenance of mechanical ventilation is questionable in the setting of active GVHD.

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