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  • Title: Pulmonary function abnormalities in childhood cancer survivors treated with bleomycin.
    Author: De A, Guryev I, LaRiviere A, Kato R, Wee CP, Mascarenhas L, Keens TG, Venkatramani R.
    Journal: Pediatr Blood Cancer; 2014 Sep; 61(9):1679-84. PubMed ID: 24789770.
    Abstract:
    BACKGROUND: Bleomycin is associated with pulmonary toxic side effects including pneumonitis and pulmonary fibrosis. We evaluated the prevalence of long-term pulmonary function abnormalities in children receiving bleomycin therapy in the context of current chemotherapeutic regimens. METHODS: A retrospective review of patients who received bleomycin between January 1999 and December 2011 was conducted. Abnormalities in the most recent pulmonary function test (PFT) at least 1 year after diagnosis were analyzed. RESULTS: Two-hundred and seven patients had received bleomycin. The results of PFT performed at least 1 year from diagnosis were available for 80 patients. Median time of follow up was 3.9 years (range 1.1-11.76 years). Median cumulative dose of bleomycin was 65 IU/m(2) (range 10-120). The most common diagnoses were Hodgkin lymphoma and germ cell tumor. At least one pulmonary function abnormality was present in 42 (52.5%) patients. When classified in groups, 22.5% patients had obstructive lung disease, 7.5% had restrictive lung disease, 28.8% had hyperinflation and 14% of patients had non-uniform distribution of ventilation. Non-Hispanic patients (OR 2.81) and children younger than 8 years (OR 4.14) had higher odds of having an abnormal PFT parameter. Very few patients had pulmonary symptoms. CONCLUSIONS: More than half the patients who received bleomycin had subclinical pulmonary dysfunction as evidenced by abnormalities in pulmonary function tests, although the incidence of clinical symptoms was low.
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