• Ching-Feng Wu, Ming-Ju Hsieh, Hung-Pin Liu, Diego Gonzalez-Rivas, Yun-Hen Liu, Yi-Cheng Wu, Yin-Kai Chao, and Ching-Yang Wu.
• 1 Chang Gung University, Division of Thoracic and Cardiovascular Surgery, Department of Surgery, Chang Gung Memorial Hospital, Linkou, Taiwan ; 2 Chang Gung University, Department of Anesthesia, Chang Gung Memorial Hospital, Linkou, Taiwan ; 3 Department of Thoracic Surgery, Coruña University Hospital; Minimally Invasive Thoracic Surgery Unit (UCTMI), Coruña, Spain.
• J Thorac Dis. 2016 Jun 1; 8 (6): 1087-93.

BackgroundThe establishment of a golden standard for post-operative analgesia after thoracic surgery remains an unresolved issue. Benefiting from the rapid development of single port video-assisted thoracoscopic surgery (VATS), a good candidate for the alleviation of patients' pain is the placement of an intercostal catheter (ICC) safely after uniport VATS. We hypothesized that continual infusion through ICC could provide effective analgesia for patients with only one wound and we evaluate its postoperative analgesic function in uniport VATS patients with or without intercostal nerve blockade.MethodsSince March 2014, 235 patients received various kinds of single port VATS. We identified 50 patients who received single port VATS with intercostal nerve blockade and retrospectively compared them with a group of patients who had received single port VATS without intercostal nerve blockade. The operative time, post operation day 0, 1, 2, 3 and discharge day pain score, narcotic requirements, drainage duration and post-operative hospital stay were collected. In order to establish a well-balanced cohort study, we also used propensity scores matching (1:1) to compare the short term clinical outcome in two groups.ResultsNo operative deaths occurred in this study. The uniport VATS with intercostal nerve blockade group was associated with less post operation day 0 and day 1 pain score, and narcotic requirements in our cohort study (P<0.001, <0.001, and 0.003). After propensity scores matching, there were 50 patients in each group. Mean day 0 and day 1, day 2, day 3 pain score, drainage duration, post-operative hospital stay, and narcotic requirements were smaller in uniport VATS with intercostal nerve blockade (P<0.001, <0.001, 0.038, 0.007, 0.02, 0.042, and 0.003).ConclusionsIn conclusion, in patients post single port VATS, continual intercostal nerve block with levobupivacaine infusion appears to be a safe, effective and promising technique in our study, associated with a shorter hospital stay and less post-operative pain. Further prospective trials are needed to determine the long term outcomes.

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