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[Laryngeal reinnervation].

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Vocal cord paralysis surgery options include re-innervation, offering lasting vocal recovery. Selective bilateral reinnervation may improve breathing without harming voice quality.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Speech and Language Pathology

Background:

  • Vocal cord paralysis management varies based on severity, recovery potential, patient age, and vocal needs.
  • Static procedures like medialization and thyroplasty are common but may not preserve vocal cord properties.
  • Re-innervation surgeries present an alternative to static procedures, aiming for more natural vocal function.

Purpose of the Study:

  • To evaluate standardized re-innervation surgeries as alternatives to static procedures for vocal cord paralysis.
  • To assess the efficacy of neurorraphy of the ansa cervicalis loop to the recurrent laryngeal nerve.
  • To explore the potential of selective bilateral reinnervation for respiratory and vocal function.

Main Methods:

  • Surgical management strategies including unilateral non-selective and bilateral selective re-innervation.
  • Neurorraphy of the ansa cervicalis loop to the recurrent laryngeal nerve.
  • Prospective evaluation of re-innervation techniques compared to static procedures.

Main Results:

  • Neurorraphy offers lasting vocal recovery, potentially outperforming medialization and thyroplasty by preserving vocal cord visco-elasticity and preventing atrophy.
  • Selective bilateral reinnervation shows promise for restoring inspiratory abduction, enhancing respiratory function.
  • Vocal quality is maintained or improved with selective bilateral reinnervation, without deterioration.

Conclusions:

  • Re-innervation surgeries, particularly neurorraphy, provide a viable and potentially superior approach to managing vocal cord paralysis.
  • Selective bilateral reinnervation holds significant potential for improving respiratory function in patients with vocal cord paralysis.
  • These advanced surgical techniques offer hope for better functional outcomes and vocal preservation.