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51st Annual Regional Anesthesiology and Acute Pain Medicine Meeting
April 16 - 18, 2026 | Phoenix, Arizona
2315966
Continuous Erector Spinae Plane Blocks to Treat Pain Following PCNL: A Randomized, Triple-Masked, Placebo-Controlled Trial
Poster Presenter
Authors
Affiliations
Part of Topic
Scientific Abstracts > Regional Anesthesia
Continuous Erector Spinae Plane Blocks to Treat Pain Following PCNL: A Randomized, Triple-Masked, Placebo-Controlled Trial
Finneran IV J & Bechis S, Sur R, Monga M, Miller K, Alexander B, Abdullah B, Donohue M, Schaar A, Ilfeld B.
INTRO
• PCNL causes significant postoperative pain
• Single-shot ESPB works, but duration may be limited
• Unknown: Does adding continuous infusion improve outcomes?
METHODS
•Randomized, triple-masked, placebo-controlled
•n = 50 adults undergoing ambulatory unilateral PCNL
•All received single-injection ESPB + catheter
•Randomized to:
•Active: Bupivacaine infusion
•Placebo: Saline infusion
•Primary Outcomes: pain scores + opioid use (POD 0-2)
RESULTS
•50 participants enrolled; successful catheter placement in 100%
•Groups well balanced; no covariate adjustment required
Primary Outcomes (POD 0–2)
•No difference in average pain scores
•ACTIVE: 3.5 [2.0–4.5]
•PLACEBO: 3.0 [1.3–4.5]
•p = 0.538
•No difference in cumulative opioid consumption
•ACTIVE: 10 [0–25] mg
•PLACEBO: 15 [0–30] mg
•p = 0.358
Secondary Outcomes
•No differences in:
•Maximum daily pain
•Time to first opioid use
•Opioid avoidance (32% vs 44%)
•Sleep disturbance
•Pain interference (BPI)
•Readmissions (1 per group)
•No catheter dislodgements observed
DISCUSSION
•Adding continuous ESPB to single-injection ESPB did not improve analgesia or reduce opioid consumption
•No signal of benefit across secondary outcomes
•Findings suggest limited value of routine continuous infusion in ambulatory PCNL when single-shot ESPB is used