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OBJECTIVE: Prior research has shown that cancer survivors often report positive psychological changes from the experience of cancer, or posttraumatic growth (PTG). However, few studies have focused on PTG in cancer patients recovering from hematopoietic cell transplantation (HCT). The present study measured PTG at specific milestones during the year following HCT and investigated psychosocial and treatment-related factors that may hinder or facilitate PTG. METHODS: Participants (N = 430) completed assessments of PTG, social support, and coping pre-transplant. PTG was also assessed at 1, 3, 6, and 12 months post-transplant. Information about treatment regimen and post-transplant complications was abstracted from medical records. Mixed-effects linear regression models were used to evaluate the extent to which pre-transplant social support, coping approaches, treatment intensity, and post-transplant complications predicted PTG. RESULTS: Compared to pre-transplant, PTG scores were significantly higher at 6- and 12-months post-transplant. Greater pre-transplant social support significantly predicted greater PTG across the assessment points. Use of emotional engagement coping strategies also strongly predicted post-transplant PTG. Conversely, coping styles characterized by emotional avoidance generally were not predictive of PTG. No treatment-related factors or post-transplant complications were predictive of PTG. CONCLUSIONS: Findings indicate that supportive social relationships and coping by engaging with difficult emotions may facilitate PTG following HCT. Moreover, these factors were more important than medical characteristics in explaining PTG. Findings may guide the development of interventions to enhance positive psychological outcomes after HCT. |
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