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Is pulmonary function test insensitive to possible pulmonary complications after tangential radiotherapy of breast cancer?

Khoshbin Khoshnazar, A. and Banikarimi, A. and Hatami, A. and Badeleh, M.T. (2010) Is pulmonary function test insensitive to possible pulmonary complications after tangential radiotherapy of breast cancer? Iranian Journal of Cancer Prevention, 3 (1). pp. 48-52.

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Abstract

Background: Pulmonary complications of radiation to breast are inevitable, while its incidence and severity are not clear. One of the methods to assess pulmonary complications is spirometry. The influence of radiotherapy on pulmonary function test and the factors affecting it have been assessed in this study. Methods: Breast cancer patients with stage II and III (based on TNM staging), underwent six courses of chemotherapy, and the total mastectomy was included in this study. Smokers, chronic pulmonary patients, cardiac patients, and those who suffered from anatomic chest malformations were excluded. Sample size was 75 and data collection was conducted by the spirometer device. The total tumor dose varied between 4800 to 5040 cGy with fraction of 180 or 200 cGy. Spirometry was performed before and 3 months after radiotherapy; the patients were examined at the same time by a specialist for respiratory complications. The measured parameters were FEV 1(Forced Expiratory Volume in 1 second) and FVC (Forced Vital capacity) which were normalized by age and sex. Results: The average age of the patients was 45.6±7.92.Average length and widths of tangential fields were determined 18.2±1.8 and 6.7±1.37 respectively. Average central lung distance was measured 2 ±1.07 cm. The mean of FEV1% prior to and following radiotherapy was measured 74.9 ±15.59 and 78.86±12.55 respectively (p=0.09).The mean of FVC% before and after radiation treatment was measured 72.17±14.26 and 74.6±11.36 (p=0.07). No abnormal signs were observed in the patients after radiotherapy. Conclusion: It seems that three months is a short period for appearance of pulmonary changes after radiotherapy with cobalt machine. Moreover, minimizing CLD through planning might lower the probability of pneumonitis due to radiation.

Item Type: Article
Additional Information: Unmapped bibliographic data: LA - English [Field not mapped to EPrints] J2 - Iran. J. Cancer Prev. [Field not mapped to EPrints] AD - Department of Medical Physics and Biochemistry, Faculty of Medicine, Golestan University of Medical sciences, Gorgan, Iran [Field not mapped to EPrints] AD - Internal Medicine Department, 5th Azar Hospital, Golestan University of Medical sciences, Gorgan, Iran [Field not mapped to EPrints] AD - Radiotherapy Department, 5th Azar Hospital, Golestan University of Medical sciences, Gorgan, Iran [Field not mapped to EPrints] AD - Anaesthesia Department, Faculty of Paramedicine, Golestan University of Medical sciences, Gorgan, Iran [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Uncontrolled Keywords: Breast cancer, Pulmonary complications, Spirometry, Tangential radiotherapy, antineoplastic agent, adult, article, breast cancer, cancer radiotherapy, cancer staging, controlled study, female, forced expiratory volume, forced vital capacity, human, lung complication, lung function test, lung volume, major clinical study, mastectomy, multiple cycle treatment, radiation dose, sensitivity analysis, spirometry, treatment duration
Subjects: مقالات نمایه شده محققین دانشگاه در سایت ,Web of Science ,Scopus
Divisions: معاونت تحقیقات و فناوری
Depositing User: GOUMS
Date Deposited: 18 Apr 2015 06:11
Last Modified: 15 Jun 2015 05:50
URI: http://eprints.goums.ac.ir/id/eprint/2214

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