• Zhaohua Xia, Lieven Depypere, Yanzheng Song, Mingfeng Liao, Qinlang Shi, Mingfei Ma, Haijiang Wang, Xinzhong Ning, Pilai Huang, Guohuan Wen, and Kun Qiao.
• The Second Affiliated Hospital, Southern University of Science and Technology, Shenzhen, China.
• Surg Innov. 2020 Aug 1; 27 (4): 358-365.

AbstractBackground. Regional analgesia for tubeless, uniport, thoracoscopic wedge resection of benign peripheral nodules is generally performed by intercostal nerve block (INB). We examined the effectiveness of thoracic paravertebral block (PVB), in comparison to the traditional intercostal blocks, for the procedure. Methods. Between July 2016 and December 2016, 20 consecutive patients with solitary benign peripheral lung nodules underwent tubeless uniport thoracoscopic wedge resection using thoracic PVB (PVB group). The clinical outcomes were compared with those of 20 other consecutive patients who underwent the same procedure under the conventional INB, between January 2016 and July 2016 (INB group). In both groups, the procedures were performed without endotracheal intubation, urinary catheterization, or chest tube drainage. Results. The clinical data of patients in both groups were comparable in terms of demographic and baseline characteristics, operative and anesthetic characteristics, puncture-related complications, and postoperative anesthetic adverse events. No puncture-related complications occurred during the perioperative period in either group. The threshold values for mechanical pain at postoperative hours 4 and 8 were significantly higher in the PVB group than in the INB group. Furthermore, the incidence of nausea or vomiting in the PVB group was significantly less than that in the INB group. None of the patients required reintervention or readmission to our hospital. Conclusions. Tubeless uniportal thoracoscopic wedge resection for solitary benign peripheral lung nodules using thoracic PVB for regional analgesia is a feasible and safe procedure. Moreover, we found that thoracic PVB is less painful than INB.

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