Abstract
Renal cell carcinoma is one of the major endobronchial metastases, and it occasionally causes life-threatening airway obstruction. Rigid bronchoscopy is useful as a palliative intervention; however, its utility for metastatic renal cell carcinoma has not been elucidated. The purpose of this study was to evaluate the safety and efficacy of rigid bronchoscopic treatment for endobronchial metastasis of renal cell carcinoma. Among 550 patients who underwent rigid bronchoscopic intervention at a single center from January 2005 to June 2015, 9 with metastatic renal cell carcinoma were retrospectively reviewed. Procedures were performed with rigid and flexible bronchoscopes under general anesthesia. In total, 20 procedures were performed on 9 patients who underwent stent implantation. Bleeding was observed in 12 (60%) procedures while severe hypoxia was observed in 2 (10%). The required amount of supplemental oxygen successfully decreased after all the 10 procedures (100%) in patients who previously needed it. Median survival after the first procedure was of 260 days (range, 63-913 days). Rigid bronchoscopic intervention for endobronchial metastasis of renal cell carcinoma is feasible with safety and effectiveness for palliation of airway obstruction, if one prepares sufficiently for massive intraoperative bleeding.
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