Background: Poor perioperative pain management during pneumothorax\nsurgery leads to respiratory complications in the post-operative period. The\nerector spinae plane (ESP) block technique has been shown to be able to\nblock the thoracic spinal nerves. Therefore,the ESP block may provide effective\nanalgesic during thoracic surgery. We have retrospectively investigated\nthe effectiveness of the ESP block for postoperative pain management in\npneumothorax surgery. Patients and Methods: Patients who underwent\npneumothorax surgery in 2017 were selected for the study. The primary outcome\nwas assessed using the numeric pain rating (NRS) scales until the\nmorning of the second post-operative day. The secondary outcomes were the\ncumulative amount of additional intravenous fentanyl administration until\nthe morning of the second post-operative day. Results: This retrospective\nstudy included 29 patients who underwent pneumothorax surgery. Of these\npatients, 13 patients received only general anaesthesia (control group), while\nthe other 16 patients received the ESP block in addition to general anaesthesia\n(study group). Compared to the control group, the study group did not show\nlower NRS scores at 1, 2, 4, 6, 12, and 24 hours post-surgery (P= 0.09, 0.17,\n0.06, 0.36, 0.47, and 0.71). As for the cumulative amount of additional fentanyl,\nthere were also no significant differences between the both groups.\nConclusions: The ESP block could not provide effective analgesia for the 24\nhours post-surgery period in patients undergoing pneumothorax surgery.
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