In this study, our iÅŸ to compare effect of erector spinae plan block(ESP), paravertebral block(PVB) and mid-point transverse process to pleura block(MTP) on perioperative pain measured with analgesia nociceptive index monitor on video-assisted thoracoscopic surgery.
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Effective analgesia control in patients with Analgesia Nociception Index(ANI)
Timeframe: intraoperative