Lumbar spine surgery causes intense post-op pain, peaking within 12 hours and improving by day three. Traditional spinal procedures involve extensive tissue dissection, leading to severe pain and potential complications like delayed mobilization, respiratory issues, and chronic pain. Effective pain management is crucial. Opioid-based relief is standard but comes with side effects (nausea, respiratory depression), increasing hospital stays and costs. Dexmedetomidine (DEX) is an alpha-2 adrenergic receptor agonist that enhances nerve block duration when combined with local anesthetics (LAs). It works by inhibiting sodium and potassium channels, leading to prolonged hyperpolarization. Regional nerve blocks, such as thoracic epidurals and fascial plane blocks, improve postoperative pain management and help reduce opioid use, minimizing complications. Various techniques, including ESP blocks, paravertebral Block (PVB), and Serratus anterior Block (SAB) have been explored for acute pain relief. The Erector Spinae Plane Block (ESPB), initially used for thoracic neuropathic pain, has expanded to thoracic, breast, and abdominal surgeries. The ESP block is done by injecting a local anesthetic between the transverse process and the erector spinae muscle. Ultrasound guidance helps visualize the spread of the anesthetic and the surrounding anatomy. Previous studies indicate that the ESP block can effectively relieve pain after lumbar spine surgery and may reduce postoperative opioid use when local anesthetics are applied to the wound and deep tissues. Based on this, performing the ESP block directly by the surgical team, using a local anesthetic between the erector spinae muscle and transverse process with direct view and free hand, may yield similar results to the ultrasound guided technique. The current study aims to evaluate the analgesic efficacy of Ultrasound-Guided Erector Spinae Plane Block in comparison with surgical Erector Spinae Plane Block using a mixture of bupivacaine and dexmedetomidine in lumbar Spinal fusion Surgeries.
Age range
18 Years
Sex
ALL
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QAQStatic VAS score one hour postoperatively.
Timeframe: one hour after surgery