This present study aims is to compare the effects of ultrasound-guided paravertebral block, intertransverse process block, and erector spinae plane block on postoperative opioid consumption, and pain scores in patients undergoing VATS.
aged 18-75 years
American Society of Anaesthesiology (ASA) score I-III
body mass index (BMI) <35kg/m2
scheduled for elective VATS
ASA score ≥4
BMI ≥35 kg/m2
declining to give written informed consent
controendications for block application
It is planned to include ASA score I-III adult patients who are planned to undergo elective VATS
Case-control
Prospective
Paravertebral block group
Other interventionBefore the surgery, ultrasoud-guided paravertebral block will be performed before the surgery under standart anaesthesia monitoring
İntertransverse process block group
Other interventionBefore the surgery, ultrasoud-guided intertransverse process block will be performed before the surgery under standart anaesthesia monitoring
Erector spinae plane block group
Other interventionBefore the surgery, ultrasoud-guided erector spinae plane block will be performed before the surgery under standart anaesthesia monitoring
Postoperative opioid consumption
All patients will receive a standard patient analgesia (PCA) protocol after operation. The postoperative opioid consumption will only be recorded.
Postoperative Numerical Rating Scale (NRS) pain scores
The postoperative pain intensity will be assessed with the Numerical Rating Scale (NRS) score (0=no pain; 10=most severe pain).
Chronic pain
Patients will be telephoned 3 months after the surgery and the presence, localization, intensity of the pain , its character, and its relation with rest and/or activity will be recorded by asking only verbally.
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