"Validation of a Novel Landmark-guided Intra-articular Postero-medial S" by Nicolas Piuzzi, Andrew Spitzer et al.
 

Document Type

Article

Publication Date

2-1-2025

Comments

This article is the author's final published version in Arthroplasty Today, Volume 31, 2025, Article number 101619.

The published version is available at https://doi.org/10.1016/j.artd.2025.101619.

Copyright © 2025 The Authors

Abstract

BACKGROUND: This study aimed to define an intra-articular surgeon-administered technique that may be comparable to ultrasound (US)-guided adductor canal block (ACB).

METHODS: Five cadaver lower limbs were examined. An anesthesiologist administered a US-guided ACB using 20 mL of dilute indocyanine dye. An orthopedic surgeon performed a medial parapatellar arthrotomy and introduced an 18-gauge needle 1-2 cm proximal to the palpated adductor tubercle angled posteromedially. Needle position and dye spread were fluoroscopically documented.

RESULTS: This technique consistently reached the infrapatellar branch of the saphenous nerve, nerve to the vastus medialis muscle, and posterior capsule, with minimal proximal dye spread.

CONCLUSIONS: This technique may be an efficient complement to ACB or surgeon infiltration or an alternative to US-guided ACB when it is not available.

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Language

English

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