Video-assisted thoracic surgery (VATS) has recently been evaluated as the standard surgical procedure for lung surgery. Although VATS is less painful than thoracotomy, patients may feel severe pain during the first hours of the postoperative period. Analgesia management is very important for these patients in the postoperative period since insufficient analgesia can cause pulmonary complications such as atelectasis, pneumonia, and increased oxygen consumption. Ultrasound (US) guided serratus posterior superior block (SPSPB) is a new interfacial plane block defined by Tulgar et al in 2023. It is based on injection on the serratus posterior superior muscle at the level of the 2nd or 3rd rib. This block provides analgesia in conditions such as interscapular pain, chronic myofascial pain syndromes, scapulocostal syndrome, and shoulder pain. The SPS muscle is located at the C7-T2 level. It attaches to the lateral edges of the second and fifth ribs. It is innervated by the lower cervical and upper intercostal nerves. With the SPS block, these nerves are blocked and analgesia is provided. It has been reported that SPSIPB provides effective analgesia after VATS. US-guided serratus anterior plane (SAP) block provides effective analgesia in the thorax's anterior, posterior, and lateral dermatomes. It has been reported that SAP block provides effective postoperative pain management following thoracotomy, breast surgery and VATS. There is no clinical randomized study in the literature evaluating the efficacy of SPSIPB and SAP block following VATS.
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Opioid consumption (Fentanyl PCA)
Timeframe: Changes from baseline opioid consumption at postoperative 1, 2, 4, 8, 16 and 24 hours.