Perioperative Monitoring of the Function of Head Nerves in Otorhinolaryngology, Neurootology and Surgery of Cranial Base at the Clinic of ORL and Head Surgery LF UPJŠ a UN L. Pasteur (2000 – 2010)
Authors:
L. Kaliarik; J. Kovaľ
Authors‘ workplace:
Klinika otorinolaryngológie a chirurgie hlavy a krku LF UPJŠ a UN L. Pasteura, Košice, prednosta prof. MUDr. J. Kovaľ, CSc.
Published in:
Otorinolaryngol Foniatr, 60, 2011, No. 3, pp. 139-144.
Category:
Original Article
Overview
Most of surgical procedures in head and neck region are dangerous because of cranial and peripheral nerve damage possibility. Mechanical trauma and ischemia are responsible for damage of nerves. Pain, functional disorders even cosmetic alteration of face can be observed after surgery. Intraoperative nerve monitoring presents information about position and functional status of the nerve in operating field and allow to minimize nerve damage during surgery. We present retrospective analysis and our findings in group of patients underwent surgery in head and neck region. Surgery was conducted under intraoperative monitoring of cranial nerves. Group of 122 patient underwent surgery in region of cerebellopontine angle (CPA) via translabyrinthine approach, 22 patients underwent surgery via retrosigmoid approach, 20 patients underwent surgery because of congenital malformations of external or middle ear, 5 patients underwent surgery via Fisch infratemporal approach A with transposition of facial nerve because of glomus tumor. 144 patients underwent surgery because of parotid gland tumor and 12 patients underwent surgery because of malignant thyroid gland tumor or revision surgery in this region. Relation of CPA tumor with amount till 2 cm to Berges formula average was confirmed as most significant (p< 0,001). Relation of early postoperative n.VII function with stimulation threshold 0,05 mA to early postoperative n. VII function with threshold over 0,1 mA was confirmed as significant (p< 0,001) and also relation of late postoperative n.VII function with stimulation threshold 0,05 mA to late postoperative n. VII function with threshold over 0,1 mA was confirmed as significant (p< 0,001).
Key words:
intraoperative cranial nerve monitoring.
Sources
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Audiology Paediatric ENT ENT (Otorhinolaryngology)Article was published in
Otorhinolaryngology and Phoniatrics
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