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Updated: May 28, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
Published on: December 1, 2023
Incidence, Risk Factors, and Outcomes of Recurrent Laryngeal Nerve Injury and Dysphonia Following Anterior Cervical
Adam A Abu-Gameh1, Jonathan E J Koch2, David Schleifer2
1Department of Orthopedics, Soroka Medical Center, Be'er-Sheva, ISR.
Abstract:
Anterior cervical spine surgery (ACSS) is an effective treatment for various cervical spine conditions but carries a risk of recurrent laryngeal nerve (RLN) injury and dysphonia. This systematic review and meta-analysis aimed to evaluate the incidence of these complications and their associated risk factors. An analysis of 17 studies involving 5,706 patients revealed a pooled RLN injury incidence of 3.41% and a dysphonia incidence of 2.5%. Prolonged surgeries exceeding two hours and multilevel procedures were associated with higher risks, while implant material demonstrated minimal impact. These findings highlight the importance of surgical planning to mitigate RLN injury risk and improve patient outcomes in ACSS.
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