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Showing 2 results for Pulmonary Complication

Dr Abdolhamid Jafari Nodoshan, Dr Hadi Zare-Zardini, Dr Minoo Mosavvan, Dr Azam Hashemi, Dr Alireza Jenabzadeh,
Volume 14, Issue 3 (7-2024)
Abstract

Background: This study aimed to investigate the pulmonary side effects of chemotherapy drugs in children with Acute Lymphocytic Leukemia (ALL) three years after treatment. The results could be of great help in managing lung complications in pediatric oncology patients.
Materials and Methods: This cross-sectional descriptive study included 50 patients (22 males and 28 females) with ALL. Data were collected from patients' files, including age, sex, duration of illness, last dose of chemotherapy, and medications such as PEG.Asparginas, Cyclophosphamid, thioguanine, Dexamethason, cytarabin, cytosin.arabinosid, vincristine, mercaptopurine, and methotrexate. Pulmonary function tests (Forced Vital Capacity (FVC), FEV1 (Forced Expiratory Volume in the first second)) were assessed by spirometry.
Results: Out of 50 patients, 47 (94%) did not have pulmonary disorders, while 3 (6%) had pulmonary dysfunction. Forty-seven patients (94%) did not have respiratory symptoms. FVC results showed that 45 patients were normal, and 5 were abnormal. Similarly, 45 patients had normal FEV1, and 5 had abnormal results. Spirometry results were normal in 45 patients and abnormal in 5. A significant relationship was found between the use of these drugs in different doses and spirometry results, recurrence rate, and pulmonary complications (P <0.05). No significant relationship was observed between pulmonary dysfunction and other drugs (P> 0.05). No correlation was found between pulmonary complications due to chemotherapy with duration of chemotherapy, patient age, and patient gender (P> 0.05).
Conclusion: Pulmonary dysfunction and respiratory syndrome were observed in 6% of patients receiving chemotherapy. A significant relationship was found between the frequency of pulmonary and respiratory complications with some chemotherapy drugs in children with ALL. Further research is needed to optimize treatment strategies and minimize lung complications in pediatric oncology patients.

Dr Seyed Ahmad Tabatabaei, Dr Mahsa Ghadrdan, Dr Bibi Shahin Shmasian,
Volume 14, Issue 4 (10-2024)
Abstract

Background: Pulmonary complications are important enough to notice in hematopoietic stem cell transplantation (HSCT). The patients undergoing HSCT might have infectious and non-infectious problems associated with morbidity and mortality. The pulmonary complications of HSCT are well-recognized in adults; however, studies on children are limited, especially in Iran. This study was done to evaluate the infectious and non-infectious pulmonary complications and the corresponding factors in children who underwent HSCT.
Materials and Methods: This retrospective cohort study included the patients who underwent HSCT in Mofid Children’s Hospital in Tehran, Iran, during the years 2015 -2021. Overall, 144 medical files were evaluated, out of which 128 had undergone HSCT. The extracted data were about underlying diseases, age at transplant, sex,  type of HSCT, donor type, cell source, conditioning regimen, graft versus host disease (GVHD) prophylaxis, infectious and non-infectious pulmonary complications, and associated factors. The data analysis was done by the SPSS software version 26. Chi-square, Fisher exact test and regression were also used for the analysis.
Results: Infectious and non-infectious pulmonary complications were reported in 26 people (20.3%) and 11 people (8.6%), respectively. Positive coronavirus disease 2019 (COVID-19) PCR was detected only in two patients. Infectious complications were significantly lower in patients with neuroblastoma compared to other underlying diseases (2.7% vs. 27.5%, P = 0.002). These complications were significantly more frequent among those with other HSCT complications compared to those without such complications (34.6% vs. 16.7%, P=0.042). Non-infectious pulmonary complications were significantly higher in boys (13.5%) than in girls (1.9%) (P = 0.024).
Conclusion: Due to the high rate of pulmonary infections in bone marrow transplant patients, clear differential diagnosis and diagnostic work are essential.


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