Effective postoperative pain control is a core component of enhanced recovery after surgery (ERAS) pathways in colorectal surgery; however, postoperative pain following minimally invasive left-sided colectomy remains a persistent clinical challenge. Standard multimodal analgesic strategies primarily target somatic pain pathways and may inadequately address visceral postoperative pain, which is mediated through autonomic afferent neural pathways. Residual visceral pain is associated with increased opioid consumption, postoperative nausea and vomiting, delayed recovery, and prolonged length of stay. This prospective, multicenter observational registry evaluates the feasibility and real-world outcomes of an intraoperative autonomic neural field block targeting the superior hypogastric and inferior mesenteric plexuses during minimally invasive left-sided colectomy. The technique is performed under direct visualization as an adjunct to standard ERAS-based analgesic care. The primary outcome is postoperative opioid consumption within the first 24 hours after surgery. Secondary outcomes include opioid use through 48 hours, postoperative nausea and vomiting, antiemetic use, pain scores, length of stay, and readiness for discharge. Data from this registry will inform future comparative studies and help define the role of autonomic neural modulation in perioperative pain management for colorectal surgery.
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Opiod consumption
Timeframe: 24 hours