Implementation of a Cryoablation-based Pain Management Protocol for Pectus Excavatum.

J Pediatr Surg

Division of Pediatric General and Thoracic Surgery, Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA; Department of Surgery, University of Washington, Box 356410, 1959 NE Pacific St, Seattle, WA, 98195, USA.

Published: July 2023

Introduction: The Nuss repair for pectus excavatum is associated with significant postoperative pain. Our institution developed protocols to standardize pain management for pectus excavatum patients in the immediate postoperative period. We present our experience with protocol implementation and patient outcomes.

Methods: We standardized regional anesthesia with a 0.25% bupivacaine incisional soaker catheter (post-implementation 1, PI1) before transitioning to intercostal nerve cryoablation (INC) (post-implementation 2, PI2). Patient outcomes were tracked using statistical process control charts in AdaptX™ OR Advisor and run charts in Tableau. Chi-squared tests assessed demographic differences between cohorts.

Results: 244 patients were included: 78 pre-implementation, 108 PI1, and 58 PI2. Average age was 15.9-16.5 years. Patients were majority male, non-Hispanic white, and English speaking. Hospital length of stay decreased 4.1-2.4 days. INC increased surgery time (99-125 min) but decreased PACU time (112-78 min). Maximum pain scores improved in PACU (7.7-6.0) and 0-24 h postoperatively (8.3-6.8) but were not different 24-48 h postoperatively (5.4-5.8). Average opioid dosing decreased 0-48 h from 1.9 to 0.8 mg/kg morphine milliequivalents and was associated with reduction in post-operative nausea and constipation. There were no 30-day readmissions.

Conclusion: An institution-wide pain management protocol using INC for pectus excavatum patients was implemented. Intercostal nerve cryoablation was found to be superior to bupivacaine incisional soaker catheters and reduced hospital length of stay, immediate postoperative pain scores, morphine milliequivalent opioid dosing, postoperative nausea, and constipation.

Level Of Evidence: Level IV.

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http://dx.doi.org/10.1016/j.jpedsurg.2023.01.059DOI Listing

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