Effectiveness of Ultrasound-guided Scalp Block for Supratentorial Craniotomy
Trial Parameters
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Brief Summary
Pain management in patients undergoing neurosurgery is a very important issue. The effectiveness of USG-guided scalp blocks for pain management in craniotomy surgery is currently not known. The purpose of this clinical trial is to evaluate the effectiveness of ultrasound-guided scalp block when performed in patients who undergo supratentorial craniotomies.
Eligibility Criteria
Inclusion Criteria: * All American Society of Anesthesia class I to III patients undergoing elective supratentorial craniotomies under general anaesthesia. Exclusion Criteria: 1. Refusal to participate in the study 2. Contraindications to the performance of scalp block, such as local infections 3. Allergy to ropivacaine hydrochloride 4. Age \< 18 years old 5. Undergoing emergency craniotomies, posterior fossa surgery, or burr holes surgery 6. Pre-existing chronic pain (defined as persistent or recurrent pain lasting \> 3 months) 7. History of drug addiction (illicit substances and opioids use) or chronic alcohol abuse 8. Presence of uncontrolled systemic arterial hypertension, severe cardiovascular disease, severe kidney or severe liver diseases 9. Predicted to require postoperative ventilation in the intensive care unit 10. Psychiatric disorders, serious neurological diseases, or reduced consciousness GCS \< 14