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Effects of Electronic Bronchoscopy-Guided Stent Placement on Blood Gas Indexes Shortness of Breath and Pulmonary Function in Patients with Malignant Airway Stenosis |
LUO Yukun, LIU Xin, GAO Liyu, et al |
Suining Central Hospital, Sichuan Suining 629000, China |
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Abstract Objective: To observe the effects of electronic bronchoscopy-guided stent placement on blood gas indexes, shortness of breath, and pulmonary function in patients with malignant airway stenosis. Methods: A total of 120 patients with malignant airway stenosis who were treated with electronic bronchoscopy-guided stent placement were included in this study. The success rate of one-time placement, complications and 6-month postoperative survival were observed. Blood gas indexes [partial pressure of oxygen (PaO2), partial pressure of carbon dioxide (PaCO2) and oxygen saturation (SaO2)], classification of shortness of breath, pulmonary function indicators [forced expiratory volume in 1s (FEV1), forced vital capacity (FVC) and peak expiratory flow (PEF)], and ECOG score were compared before and after treatment. Results: The success rate of one-time placement was 96.67%. After operation, there were 3 patients with obvious bloody phlegm, 9 patients with a little blood in sputum, and 8 patients with mild substernal pain, which all disappeared after symptomatic treatment. After treatment, dyspnea in all patients was relieved significantly. 21 (17.5%) patients died from the primary disease in 6 months after operation. After treatment, PaO2 and SaO2 increased significantly (P<0.05), and PaCO2 decreased significantly (P<0.05). Shortness of breath was significantly improved (P<0.05). FEV1, FVC and PEF increased significantly (P<0.05), and ECOG score decreased significantly (P<0.05). Conclusion: Electronic bronchoscopy-guided stent placement is safe and effective in the treatment of malignant airway stenosis. It can significantly improve blood gas indexes, shortness of breath and pulmonary function.
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