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find Author "梁析" 2 results
  • 第一届肺肿瘤精准诊疗论坛暨肺结节微创手术与精准消融学习班学术亮点

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  • Clinical analysis of 31 lung metastases patients by percutaneous thermal ablation in a single center

    ObjectiveTo explore the factors that affect the accuracy of percutaneous thermal ablation of lung metastases and coping strategies.MethodsWe retrospectively analyzed the clinical data of 31 patients who met the conditions for thermal ablation of lung metastases in Ninth People’s Hospital affiliated to Shanghai Jiao Tong University School of Medicine between October 2019 and December 2020. There were 19 males and 12 females with a mean age of 40-81 (62.8±10.3) years. A total of 33 metastases tumors were thermally ablated, 12 were radiofrequency ablation and 19 were microwave ablation.ResultsOf the 33 metastatic tumors, 5 targets showed significant puncture deviation, 4 of them completed the ablation after adjustment and 1 failed. The result of the univariate logistic regression showed the distance within the lung parenchyma (P=0.043) and the maximum diameter of the tumor (P=0.025) were independent risk factors for the accuracy of percutaneous thermal ablation. In terms of correlation, there was a positive correlation between the accuracy of percutaneous thermal ablation and the distance within the lung parenchyma (P=0.033), and a negative correlation between the maximum diameter of metastases tumor (P=0.004) and hemoptysis (P=0.015). Complete ablation rate was 87.8% (29/33).ConclusionWhen we perform CT-guided percutaneous thermal ablation of lung metastases, we must fully prepare the deviation plan for the small diameter tumor, the long travel distance in the lung parenchyma, and hemoptysis during puncture. Complete ablation can be achieved by fully identifying the anatomical features of the tumor and its surrounding structures, shortening the travel distance in the lung parenchyma and increasing the ablation range.

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