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Comparative Study on the Efficacy and Safety of Microwave Ablation and Lobectomy in the Treatment of Ground Glass Nodules Located in the Pulmonary Hilar Region
Sponsor: RenJi Hospital
Summary
GGO is a characteristic focus of early lung cancer. Due to the abundant peripheral blood vessels and bronchial tissues around the GGO lesions located in pulmonary hilar, only lobectomy could be used for the surgical treat of hilar GGO lesions which will make the significantly decline of the pulmonary function after surgery and affect the quality of life to a great extent. Our previous study has reported a new blunt-tip MWA electrode (MTC-3CA-II3, Vison Medical Inc.) for the treatment of GGO lesions. The blunt-tip MWA electrode could improve the safety of GGO ablation, significantly reduce the occurrence of bleeding and hemoptysis, which made it possible to ablate GGO in the hilar region safely. In this study, the blunt-tip MWA electrode was used in the treatment of patients with hilar GGO lesions, and the efficacy and safety of microwave ablation and lobectomy in the treatment of ground glass nodules located in the pulmonary hilar region were evaluated and compared.
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
100
Start Date
2022-10-01
Completion Date
2026-12-31
Last Updated
2022-08-11
Healthy Volunteers
No
Interventions
microwave ablation
MWA procedures were performed under local anesthesia and CT guidance (GE Discovery CT750 HD) was used for the guidance. Using the coaxial system, MWA was performed by the combining of a 17G sharp-tip guide trocar needle and a 15-cm cooled-shaft electrode (18-gauge) with a 1.5-cm expandable blunt-tip (MTC-3CA-II3, Vison Medical Inc.). Firstly, the sharp-tip guide trocar needle was used to puncture through the pleura and then the blunt-tip MWA electrode was advanced into the GGO lesion through the guide needle lumen. Once the target was reached, ablation was performed at a power of 40 watts. Once the lesion was covered by the ablation zone, the ablation completed.
lobectomy
lobectomy for GGOs located in hilar regions