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Palliative care and coping in patients with acute myeloid leukemia: Mediation analysis of data from a randomized clinical trial
Background It has been shown previously that integrated palliative care for patients with acute myeloid leukemia (AML) during intensive chemotherapy leads to improvements in quality of life (QOL) and mood. Coping has been shown to mediate palliative care interventions in advanced cancer; the mechani...
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Published in: | Cancer 2021-12, Vol.127 (24), p.4702-4710 |
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Main Authors: | , , , , , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Background
It has been shown previously that integrated palliative care for patients with acute myeloid leukemia (AML) during intensive chemotherapy leads to improvements in quality of life (QOL) and mood. Coping has been shown to mediate palliative care interventions in advanced cancer; the mechanisms by which improvements occur among patients with AML remain unexplained.
Methods
The authors conducted a secondary analysis of data from a multisite randomized trial of integrated palliative and oncology care (IPC; n = 86) versus usual care (n = 74) for hospitalized patients with AML undergoing intensive chemotherapy. IPC patients met with palliative care at least twice weekly during their initial and subsequent hospitalizations. Patients completed the Functional Assessment of Cancer Therapy–Leukemia, the Hospital Anxiety and Depression Scale, and the Brief Coping Orientation to Problems Experienced Inventory to assess QOL, mood, and coping at the baseline and at weeks 2, 4, 12, and 24. Linear regression models were used to assess the effect of IPC on coping. Causal mediation regression models were used to examine whether changes in coping mediated intervention effects on patient‐reported outcomes at week 2.
Results
One hundred sixty eligible patients (68.1%) were enrolled. Those randomized to IPC reported improvements in approach‐oriented coping (P < .01) and reductions in avoidant coping (P < .05). These changes in coping mediated the intervention effects on QOL (95% CI, 2.14‐13.63), depression (95% CI, –2.05 to –0.27), and anxiety symptoms (95% CI, –1.25 to –0.04). Changes in approach‐oriented and avoidant coping accounted for 78% of the total palliative care intervention effect on QOL, for 66% of the effect on depression, and for 35% of the effect on anxiety symptoms.
Conclusions
Palliative care integrated during intensive chemotherapy for patients with AML facilitates coping strategy use. Improvement in coping skills accounts for a substantial proportion of the effect from a palliative care intervention on patient‐reported outcomes.
In a secondary analysis of integrated palliative and oncology care versus usual care for patients with acute myeloid leukemia receiving intensive chemotherapy, patients who receive specialty palliative care experience positive changes in coping that mediate the effects of the palliative care intervention on quality of life and mood symptoms. Findings highlight the need for supportive care interventions to optimize the quality |
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ISSN: | 0008-543X 1097-0142 |
DOI: | 10.1002/cncr.33886 |