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Predictors of physical outcomes in pediatric bone marrow transplantation
P L Dobkin1, R M Poirier, P Robaey
1The Montreal General Hospital Research Institute and McGill University, Department of Medicine, QC, Canada.
Insights
Physician-rated prognosis is the strongest predictor of survival in pediatric bone marrow transplants (BMT). Clinical factors, not family dynamics, are critical for physical outcomes in pediatric BMT patients.
Area of Science:
- Pediatric Hematology/Oncology
- Stem Cell Transplantation
- Clinical Outcomes Research
Background:
- Pediatric bone marrow transplantation (BMT) is a complex procedure with significant physical and psychosocial implications for young patients.
- Understanding factors influencing physical outcomes is crucial for improving survival rates and quality of life in pediatric BMT recipients.
Purpose of the Study:
- To investigate the association between family factors and clinical factors with physical outcomes in pediatric bone marrow transplantation (BMT).
- To identify key predictors of mortality in pediatric BMT patients.
Main Methods:
- Prospective study of 68 pediatric patients undergoing BMT over 6.5 years.
- Physician-rated initial prognosis (diagnosis, risk factors, donor type) and parent-reported family well-being/marital satisfaction were assessed.
- Cox proportional hazards survival analyses were used to determine predictors of death.
Main Results:
- Physician-estimated initial prognosis was the strongest predictor of survival (RR = 0.62, 95% CI = 0.40, 0.97).
- Family factors, including marital satisfaction and family stress, did not emerge as significant predictors of survival in this cohort.
- Mortality rate was 44% among the studied pediatric BMT patients.
Conclusions:
- Initial clinical factors, particularly physician-assessed prognosis, are critically important for determining physical outcomes in pediatric BMT.
- While family well-being is important, it did not significantly predict survival in this study.
- Further research may explore nuanced interactions or different outcome measures in pediatric BMT.
Abstract:
The purpose of the present study was to investigate the hypothesis that family factors, in conjunction with clinical factors, are associated with physical outcomes in pediatric BMT. A prospective study of 68 pediatric patients (mean age = 7.5 years; ranging from 4 months to 18 years) undergoing BMT was carried out over a 6.5 year period. Physicians rated initial prognosis on a (0-5) scale which incorporated the child's diagnosis, known risk factors, and type of donor. Both parents individually completed two psychometrically sound questionnaires assessing family well-being and marital satisfaction. Cox proportional hazards survival analyses were performed to determine predictors of death (44% of the patients died). Potential predictor variables included were: initial prognosis, type of transplant, patient's age, socioeconomic status, marital satisfaction and family status, and family stress. Initial prognosis, as estimated by the physician, (RR = 0.62, 95% CI = 0.40, 0.97) was the best predictor of survival. Initial clinical factors are clearly critical in outcomes for pediatric BMT patients.