Geneva, May 4 -- International Clinical Trials Registry received information related to the study (ChiCTR2600123009) titled 'Effects of Norepinephrine and Phenylephrine on Coagulation Function and Stress Indicators Postoperatively in Patients Undergoing VATS Lung Cancer Radical Resection under General Anesthesia Combined with Paravertebral Block' on April 21.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Xiangya Hospital of Central South University

Condition: None

Intervention: Norepinephrine Group:Norepinephrine was prepared at a concentration of 8 µg/mL. Starting from the beginning of maintenance anesthesia, patients in the norepinephrine group received an initial infusion rate of 0.01-0.02 µ...