Acta ortopedica brasileira · 2025
ANTERIOR INTEROSSEOUS NERVE TRANSFERS FOR THE TREATMENT OF RADIAL NERVE INJURIES.
СтатьяНазвание и аннотация: Перевод в очереди
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Caetano Edie Benedito, Vieira Luiz Angelo, Bueno Vinicius Santos, Volpiani Túlio Stefanin, Torres Victor Hugo Monfrin, Giraldo Andrea Elisa Donovan
Аннотация
OBJECTIVES: evaluate the anatomical characteristics and variations of the anterior interosseous nerve (AIN) and define the feasibility of transferring the pronator quadratus branch (PQB) to the posterior interosseous nerve (PIN) without tension.
MATERIALS AND METHODS: Fifty upper limbs of 25 male adult cadavers were dissected, 20 were prepared and five were fresh cadavers.
RESULTS: The AIN originated from the median nerve in an average of 5.2 cm distal to the intercondylar line. In 29 limbs, it originated from the posterior fascicles of the median nerve, while in 21 specimens, from the posterolateral fascicles. In 2 specimens, two branches for the AIN were present. The PIN was studied in 30 limbs, we identified its origin in the radial nerve in all limbs. In 23 limbs, the branches to the supinator muscle originated from the PIN proximally to the Fröhse arcade, in 7 members distally.
CONCLUSION: The PQB was reliably present in all dissected forearms and presented variations only in its diameter. The PQB could be transferred to PIN without tension in all specimens even with full range of motion of the forearm. Level of Evidence IV; Case Series.
MATERIALS AND METHODS: Fifty upper limbs of 25 male adult cadavers were dissected, 20 were prepared and five were fresh cadavers.
RESULTS: The AIN originated from the median nerve in an average of 5.2 cm distal to the intercondylar line. In 29 limbs, it originated from the posterior fascicles of the median nerve, while in 21 specimens, from the posterolateral fascicles. In 2 specimens, two branches for the AIN were present. The PIN was studied in 30 limbs, we identified its origin in the radial nerve in all limbs. In 23 limbs, the branches to the supinator muscle originated from the PIN proximally to the Fröhse arcade, in 7 members distally.
CONCLUSION: The PQB was reliably present in all dissected forearms and presented variations only in its diameter. The PQB could be transferred to PIN without tension in all specimens even with full range of motion of the forearm. Level of Evidence IV; Case Series.