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  • Title: High-dose-rate brachytherapy in symptom palliation due to malignant endobronchial obstruction: a quantitative assessment.
    Author: de Aquino Gorayeb MM, Gregório MG, de Oliveira EQ, Aisen S, Carvalho Hde A.
    Journal: Brachytherapy; 2013; 12(5):471-8. PubMed ID: 23541114.
    Abstract:
    PURPOSE: This study was performed to objectively evaluate the effect of high-dose-rate endobronchial brachytherapy (HDREB) in symptom palliation of patients with malignant airway obstruction and treatment-related toxicity. METHODS AND MATERIALS: Seventy-eight patients were treated with palliative intent according to a prospective observational protocol. HDREB was delivered in three fractions of 7.5 Gy at weekly or fortnightly intervals, associated or not with external beam irradiation. Most patients presented with lung cancer primaries and were treated because of lesions located in the trachea and/or main bronchi. Performance status, degree of obstruction, and symptom palliation were graded according to an objective score index, defined before and after HDREB at the last followup visit. Survival was considered from the end of HDREB for at least 3 years or until death. RESULTS: Overall, there was a 70% improvement, with migration of patients from lower to higher performance status. Bronchial obstruction was improved in 73.4% of the patients. The symptom that presented the better response was hemoptysis (100% complete relief) followed by postobstructive pneumonia (80%), dyspnea (57.4%), and cough (33.9%). Median survival was 6 months and improved in patients with complete response at bronchoscopy (9 months). There were two (2.6%) cases of bronchial fistulae and eight cases (10.2%) of fatal hemoptysis. CONCLUSIONS: HDREB is an excellent modality for palliating malignant airway obstruction resulting in quality of life improvement, with a good tolerance, patient compliance, and low rate of complications.
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