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| Analysis of the Effect of Bronchoscopic Cryotherapy and High Frequency Electrocautery on Airway Stenosis Caused by Central Lung Cancer |
| HU Ying, CHEN Xiaoxia, LI Wangping, et al |
| Tangdu Hospital of Air Force Military Medical University, Shaanxi Xi'an 710028, China |
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Abstract Objective: To investigate the efficacy of transbronchoscopic cryotherapy and high-frequency electrocautery in treatment of airway stenosis caused by central lung cancer. Methods: 90 patients with airway stenosis caused by central lung cancer were divided into the high-frequency electrocautery group (30 cases treated with transbronchoscopic high-frequency electrocautery). The cryotherapy group (30 cases treated with transbronchoscopic cryotherapy) and the combined group (30 cases treated with transbronchoscopic cryotherapy and high-frequency electrocautery). The clinical effect, shortness of breath score, pulmonary function (FVC, FEV1, MVV) of the three groups were observed. Results: The total treatment effective rate of the combined group was significantly higher than that of high-frequency electrocautery group or the cryotherapy group (P<0.05). After treatment, shortness of breath scores were decreased significantly while FVC, FEV1 and MVV were increased significantly, and changes were the most obvious in the combined group, followed by high-frequency electrocautery group and changes were the smallest in cryotherapy group (P<0.05). Conclusion: The short-term effects of transbronchoscopic cryotherapy and high-frequency electrocautery are similar in treatment of airway stenosis caused by central lung cancer. The combined use can effectively improve the clinical efficacy, significantly relieve shortness of breath and improve lung function.
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2019, Vol. 25 
