BACKGROUND: Management of pediatric patients with malignant and hematological diseases is frequently associated with pulmonary complications. We assessed pulmonary function at diagnosis and during a 5-year follow-up to identify risk factors associated with pulmonary deterioration. PROCEDURE: Ninety patients (age range 3-20) who were treated at the Pediatric Hematology-Oncology Department, Sheba Medical Center, Israel, were entered into the study. Pulmonary function testing was performed at diagnosis and at least twice during the study period. RESULTS: At diagnosis and thereafter values of spirometry, total lung capacity, functional residual capacity and diffusion capacity were significantly lower than predicted (P < 0.002 for all indices). The ratio between residual volume and total lung capacity (RV/TLC) was significantly higher than normal at diagnosis and throughout the study (P < 0.001). Age and treatment modalities did not show any effect on lung-function during the study. A subgroup of seven patients (8%) developed Bronchiolitis obliterans (BO) after stem cell transplantation and development of graft versus host disease (GVHD). These patients' baseline FEF25-75 values (small airway disease) were significantly lower than FEF25-75 values of controls and other patients while all other parameters were similar. The RV/TLC in the BO patients gradually increased relative to other patients during the 5-year follow-up. CONCLUSION: Lung-function in pediatric hemato-oncological patients at diagnosis is lower than predicted. Abnormal baseline FEF25-75 may be a risk factor for the development of BO in the setting of GVHD after treatment. Careful monitoring, especially of FEF25-75 and RV/TLC at baseline and in the first period after diagnosis. (c) 2008 Wiley-Liss, Inc.
BACKGROUND: Management of pediatric patients with malignant and hematological diseases is frequently associated with pulmonary complications. We assessed pulmonary function at diagnosis and during a 5-year follow-up to identify risk factors associated with pulmonary deterioration. PROCEDURE: Ninety patients (age range 3-20) who were treated at the Pediatric Hematology-Oncology Department, Sheba Medical Center, Israel, were entered into the study. Pulmonary function testing was performed at diagnosis and at least twice during the study period. RESULTS: At diagnosis and thereafter values of spirometry, total lung capacity, functional residual capacity and diffusion capacity were significantly lower than predicted (P < 0.002 for all indices). The ratio between residual volume and total lung capacity (RV/TLC) was significantly higher than normal at diagnosis and throughout the study (P < 0.001). Age and treatment modalities did not show any effect on lung-function during the study. A subgroup of seven patients (8%) developed Bronchiolitis obliterans (BO) after stem cell transplantation and development of graft versus host disease (GVHD). These patients' baseline FEF25-75 values (small airway disease) were significantly lower than FEF25-75 values of controls and other patients while all other parameters were similar. The RV/TLC in the BO patients gradually increased relative to other patients during the 5-year follow-up. CONCLUSION: Lung-function in pediatric hemato-oncological patients at diagnosis is lower than predicted. Abnormal baseline FEF25-75 may be a risk factor for the development of BO in the setting of GVHD after treatment. Careful monitoring, especially of FEF25-75 and RV/TLC at baseline and in the first period after diagnosis. (c) 2008 Wiley-Liss, Inc.
Authors: Anne Stone; Danielle Novetsky Friedman; Brian H Kushner; Suzanne Wolden; Shakeel Modak; Michael P LaQuaglia; Jessica Costello; Xian Wu; Nai-Kong Cheung; Charles A Sklar Journal: Pediatr Blood Cancer Date: 2019-08-12 Impact factor: 3.167
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