Pulmonary toxicity of hypo-fractionated chest wall irradiation in breast cancer patients post mastectomy | ||||
| SVU-International Journal of Medical Sciences | ||||
| Article 34, Volume 6, Issue 1, January 2023, Page 329-336 PDF (201.76 K) | ||||
| Document Type: Original research articles | ||||
| DOI: 10.21608/svuijm.2022.159895.1401 | ||||
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| Authors | ||||
Eptehal Mohammed Dongol1; Ahmed Okasha Mohamed 2; Aya Elnoby Khodary  3; Mohammed M. Wahman3
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| 1Chest Diseases and Tuberculosis Department, Faculty of Medicine, South Valley University,Qena, Egypt | ||||
| 2Diagnostic Radiology Department, Faculty of Medicine, South Valley University,Qena, Egypt | ||||
| 3Clinical Oncology and Nuclear Medicine, Faculty of Medicine, South Valley University, Qena, Egypt | ||||
| Abstract | ||||
| Background: Patients' chances of surviving breast cancer have increased thanks to multimodal therapy. After breast-conserving surgery, hypofractionated radiation (RT) is quickly becoming one of the alternatives for breast cancer patients (BCS). Objectives: The present study aimed to assess the thoracic radiotherapy's effects on patients with breast cancer's ability to breathe normally and engage in physical activity. Patients and methods: This was a prospective study which was carried out at Oncology Department & Chest Department of Qena University Hospitals. Spirometry was performed to all included patients to assess their lung function. Results: The mean and range of spirometer values 3 months after radiotherapy. The mean FEV1 was 65 % predicted, the mean FVC was 62.7 % predicted, the mean FEV1/FVC was 83.7% and the mean FEF25%-75% was 70.27 % predicted. Conclusion: In radiotherapy, the lung is a major organ at risk because of the risk of radiation-induced lung injury. Silent radiation pneumonitis is a common side effect of radiotherapy. FEV1 and FVC parameters are decreased after radiotherapy due to acute radiation-induced lung injury. Spirometry can be used in assessing lung functions after radiotherapy. N3 stage showed significant decrease in FEV1 and FVC compared to other lower N stages. Max. lung dose was found to be the best predictor of the occurrence of radiation pneumonitis. | ||||
| Keywords | ||||
| Radiotherapy; Breast cancer; Radiation pneumonitis; Respiratory function; Pulmonary toxicity | ||||
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