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07-05-2020 | Uitgave 10/2020

Quality of Life Research 10/2020

Early and sustained improvement in fatigue-related quality of life following red blood cell transfusion in outpatients

Tijdschrift:
Quality of Life Research > Uitgave 10/2020
Auteurs:
Roberta Bruhn, Matthew S. Karafin, Joan F. Hilton, Zhanna Kaidarova, Bryan R. Spencer, Lirong Qu, Edward L. Snyder, Rebecca Olin, Edward L. Murphy, Elizabeth St. Lezin, for the NHLBI Recipient Epidemiology and Donor Evaluation Study (REDS)-III Program
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Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s11136-020-02517-2) contains supplementary material, which is available to authorized users.

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Abstract

Purpose

Outpatients with hematologic disease often receive red cell transfusion to treat anemia and fatigue. The effect of transfusion on fatigue-related quality of life and how well this effect is sustained has not been quantified. The study aim was to describe the early and sustained impact over 4 weeks of red cells on patient-reported fatigue in outpatients age ≥ 50 receiving transfusion as routine clinical care.

Methods

FACIT-Fatigue scale scores were measured pre-transfusion and at visits targeting 3, 7, and 28 days post-transfusion. Group-based trajectory modeling of patient fatigue scores by study day was used to identify the number of distinct trajectories (Groups), then longitudinal mixed effects modeling of fatigue scores was used to estimate group-specific mean improvements early after transfusion and between days 3 and 28 post-transfusion.

Results

Four distinct fatigue score trajectory groups were identified and were found to be correlated with baseline fatigue scores (means 12, 26, 34, and 47 points). In the three groups with the lowest fatigue trajectories (indicating greater fatigue), improvements in fatigue early after transfusion achieved the established minimum clinically important difference (≥ 3 points, Group p = 0.0039). In all trajectory groups, mean fatigue levels did not change significantly between 3 and 28 days (± 1 point, Group p = 0.60).

Conclusion

Patient-reported fatigue varies widely among older adult outpatients with hematologic disorders. Nonetheless, trajectory modeling suggests that most anemic patients can expect a noticeable improvement in fatigue in the first few days after transfusion that generally is sustained up to 4 weeks.

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