Validation of a Novel Landmark-guided Intra-articular Postero-medial Surgeon-administered Injection Technique.

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 efficien

SUBMITTER: Piuzzi NS 

PROVIDER: S-EPMC11803215 | biostudies-literature | 2025 Feb

REPOSITORIES: biostudies-literature