Transfusion as a palliative strategy

Article indépendant

RAVAL, Jay S.

PURPOSE OF REVIEW: The palliative care population is a complex and heterogeneous one. While transfusion therapy is a readily available intervention for many patients, inadequate knowledge for accurately identifying which patient subsets at end-of-life will benefit from a transfusion, along with an unclear understanding of the magnitude of attendant risks of transfusion in those receiving palliative care, complicates the risk-benefit assessment of this therapy. In this brief review, the current literature surrounding transfusion of red cells and platelets in the palliative care patient population will be reviewed and recommendations provided. RECENT FINDINGS: Benefits of transfusion therapy include subjective relief of fatigue and dyspnea, and improved sense of wellness, amongst other findings. However, these responses are not durable and there are currently no validated, objective metrics that correlate with symptomatic improvements. It is clear that transfusion-associated adverse reactions are underestimated in those receiving palliative care, with reaction rates similar to the general patient population. Additionally, based on the high mortality rates reported soon after transfusion, the impact of these blood components must be considered as an exacerbating or causative factor of mortality when evaluating declining condition or death. Hematinics are rarely assessed in anemic palliative care patients or, when measured, are often not corrected. The decision to transfuse palliative care patients is multifactorial, and benefits, risks, patient wishes, blood component inventories, and alternatives to transfusion should all be considered. There are many unknowns regarding transfusion in palliative care. Critical next steps for optimizing blood component therapy in this population include high-quality trials that help to identify validated measures of objective functional changes that parallel patient-reported outcomes and subsets of patients receiving end-of-life care that will most likely be positively impacted by transfusion therapy.

http://dx.doi.org/10.1007/s11912-019-0832-0

Voir la revue «Current oncology reports, 21»

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