PVI vs ESP Block for Reducing Bleeding and Postoperative Pain in Lumbar Fusion Surgery.

This randomized controlled trial compares periarticular vasoconstrictor infiltration (PVI) versus erector spinae plane block (ESP) to reduce bleeding and postoperative pain in adults undergoing lumbar fusion surgery (up to 3 levels). Patients are randomly assigned 1:1 to receive ultrasound-guided ropivacaine 0.2% + epinephrine 1:200,000: PVI (150-200mL bilateral in retrolaminar, thoracolumbar fascia, supraspinous ligament, subcutaneous planes) or ESP (20mL/side at transverse processes). Both groups receive standardized general anesthesia (TIVA), multimodal analgesia (dexamethasone, paracetamol, dexketoprofen/metamizole, ketamine, magnesium), and tranexamic acid. Multicenter study: Hospital de la Santa Creu i Sant Pau (Barcelona, 32 patients) and Hospital Quirón Salud Murcia (30 patients). Primary outcome: intraoperative blood loss (surgical aspirate minus irrigation + gravimetric gauze weight). Secondary outcomes: Fromme surgical field scale, pain (NRS at REA discharge/24h/48h), opioid consumption (morphine equivalents), PONV/antiemetic use, drain output, hospital stay, patient satisfaction. N=62 patients (31/arm). Blinded outcome assessment.

This description comes directly from the study's public registry record.

Mireia MD, PhD Rodriguez Prieto, Anesthesiologist  ·  677896054  ·  mrodriguezpr@santpau.cat

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