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  • Title: Blood pressure and body composition in long-term survivors of childhood acute lymphoblastic leukemia.
    Author: Veringa SJ, van Dulmen-den Broeder E, Kaspers GJ, Veening MA.
    Journal: Pediatr Blood Cancer; 2012 Feb; 58(2):278-82. PubMed ID: 21793179.
    Abstract:
    BACKGROUND: Long-term survivors of acute lymphoblastic leukemia (ALL) in childhood are at increased risk of late effects of cancer treatment, among which are cardiovascular sequelae. Purpose of this study was to assess blood pressure and body composition in childhood ALL survivors and compare data to reference values from the general population. PROCEDURE: This single-center retrospective study included 68 survivors of childhood ALL with a median age of 25 years (range 16.4-39.5) and a median follow-up of 16.0 years (range 5.3-30.4). Data on previous treatment, blood pressure and measurements of weight and height at diagnosis and at long-term follow-up (from which body mass index (BMI) was calculated) were obtained from medical records. All data were converted to control-referenced standard deviation scores. RESULTS: Of the ALL survivors 48½% were prehypertensive and 22.1% were hypertensive. Both the mean systolic (mean SDS 0.736, P < 0.001) and diastolic blood pressure (mean SDS 0.409, P < 0.001) of survivors was significantly higher compared to reference control values. Based on BMI values, 38.2% of the survivors were considered overweight/obese and females, in contrast to males had a significantly higher BMI (mean SDS 1.355, P < 0.001) compared to reference values. In addition, females who had received cranial radiotherapy (mean SDS 2.078) had a significantly higher BMI than females who had not (mean SDS 0.512) (P = 0.009). CONCLUSIONS: Both diastolic and systolic blood pressure are significantly increased in survivors of childhood ALL. Female survivors treated with cranial radiation therapy have the highest prevalence and greatest risk of overweight/obesity. Therefore, survivors of childhood ALL are likely to be at an increased risk of cardiovascular disease later in life, which stresses the need for follow-up and adequate medical and/or life style interventions.
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