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Predictors of late cardiovascular complications in survivors of hematopoietic cell transplantation.

Armenian, Saro H; Sun, Can-Lan; Mills, George; Teh, Jennifer Berano; Francisco, Liton; Durand, Jean-Bernard; Wong, F Lennie; Forman, Stephen J; Bhatia, Smita.
Biol Blood Marrow Transplant ; 16(8): 1138-44, 2010 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-20197101
Long-term survival after hematopoietic cell transplantation (HCT) is now an expected outcome. The growing population of survivors is at risk of developing treatment-related complications, including cardiovascular disease (CVD). A nested case-controlled design was used to identify clinical and treatment-related risk factors for development of late (1+ years after HCT) CVD. Cases were identified from a cohort of 1+-year survivors who underwent transplantation at City of Hope between 1977 and 2006. Controls (HCT survivors without CVD) were matched on age, year of HCT, type of HCT, and duration of follow-up. Sixty-three patients with late CVD were identified, 44 (69.8%) with a coronary artery event and 19 (30.2%) with a cerebrovascular event. Median age at HCT was 49.0 years. Median age at onset of late CVD was 54.0 years; 66.7% of the affected patients had undergone autologous HCT. Multivariate logistic regression analysis showed that the presence of multiple cardiovascular risk factors (2 or more of the following: obesity, dyslipidemia, hypertension, and diabetes) after HCT was associated with a 5.2-fold increased risk of late CVD (P < .01), and that pre-HCT chest radiation exposure was associated with a 9.5-fold greater risk of coronary artery disease (P = .03). Pre-HCT exposure to chest radiation and the presence of comorbidities were primarily responsible for the risk associated with late CVD after HCT. These data form the basis for developing predictive models for identifying high-risk individuals for targeted surveillance and aggressive management of comorbidities.