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Neurotization of the superficial sensory branch of ulnar nerve by the distal posterior interosseous nerve: cadaveric feasibility study

Laumonerie, Pierre and Decaestecker, Laurent and Delclaux, Stépahnie and Apredoaei, Costel and Tibbo, Meagan E. and Courtade-Saïdi, Monique and Mansat, Pierre Neurotization of the superficial sensory branch of ulnar nerve by the distal posterior interosseous nerve: cadaveric feasibility study. (2017) Journal of Reconstructive Microsurgery, 33 (09). 636-640. ISSN 0743-684X

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Official URL: https://doi.org/10.1055/s-0037-1605365

Abstract

Background: In 2014, Delclaux et al described a case wherein the Battiston and Lanzetta's technique, modified by utilization of the posterior interosseus nerve (PIN), was used to perform double neurotization of the ulnar nerve (UN). This study evaluates the feasibility of transfer of proprioceptive fascicles of the PIN to the superficial sensory branch of the UN (SSBUN). Methods: The surgeries were performed on 16 fresh cadaveric wrist specimens. PIN transfer was performed through the interosseous membrane and sutured to the SSBUN. The diameter for each nerve, number of fascicles, and the percentage of fascicles without axons, under ×10, ×40, and ×100 magnifications were performed by two observers. Results: Neurotization of the SSBUN by the PIN was successful in all cases. The median diameter of the SSBUN and PIN was 3.5 (3–4) and 2.3 mm (1.6–3), respectively. The SSBUN contained 5.5 fascicles (4–7), while the PIN contained 2 fascicles (0–4). The 16 PIN had limited (10 cases) or no axonal reserve (6 cases). Conclusion: This study supports the surgical and anatomical feasibility of neurotization of the SSBUN by the PIN. However, the PIN's limited axonal reserve may partially or totally compromise recovery.

Item Type:Article
HAL Id:hal-02135139
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Centre Hospitalier Universitaire de Toulouse - CHU Toulouse (FRANCE)
Other partners > Mayo Clinic (USA)
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Deposited By: Pascal SWIDER
Deposited On:27 Mar 2019 12:40

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