Abstract:Objective To investigate the clinical effect and feasibility of artificial pneumothorax in minimally invasive surgery for primary palmar hyperhidrosis(PPH). Methods The clinical data of 46 patients with PPH treated by thoracoscopic bilateral thoracic sympathectomy from January 2012 to August 2019 were retrospectively analyzed.All the patients were divided into control group (n=12,simple thoracoscopic double lumen endotracheal intubation) and study group (n=34,artificial pneumothorax combined with thoracoscopic single lumen endotracheal intubation) according to different treatment methods.The operation time,total incision length,intraoperative blood loss,postoperative hospital stay,complications and patient satisfaction between the two groups were compared and analyzed. Results The patients of two groups were successfully completed surgery,no conversion to thoracotomy,no serious complications.There was no significant difference in blood loss and complications between the two groups (P>0.05).Compared with control group,the operation time［(40.32±8.74) min vs (55.00±15.37) min］,total incision length ［(8.00±0.00)mm vs (14.42±4.21)mm］ and postoperative hospital stay ［(1.94±0.69) d vs (3.75±1.14) d］ were significantly shorter in study group (all P<0.01).The postoperative satisfaction of patients in the study group was better than that in the control group (P<0.05). Conclusion The application of artificial pneumothorax technology in minimally invasive thoracoscopic surgery for PPH can shorten the operation time, reduce the surgical trauma, accelerate the postoperative rehabilitation and improve the satisfaction of patients.