Hakan Tutar1, Fakih Cihat Eravcı2,3, Metin Mercan4,5, Furkan Karaloğlu1,6, Vildan Baştürk Tutar1,7, İrem Yıldırım5, Recep Karamert1. 1. Department of Otorhinolaryngology, Gazi University School of Medicine, Ankara, Turkey. 2. Department of Otorhinolaryngology, Gazi University School of Medicine, Ankara, Turkey. fceravci@gmail.com. 3. Department of Otorhinolaryngology, Meram Medical Faculty, Necmettin Erbakan University, Hocacihan Mah. Abdulhamid Han Cad. No:3, Konya, Turkey. fceravci@gmail.com. 4. Department of Neurology, Dr. Sadi Konuk Research and Training Hospital, Istanbul, Turkey. 5. Department of Neurology, Gazi University School of Medicine, Ankara, Turkey. 6. FK Private Clinic, Otorhinolaryngology, Ankara, Turkey. 7. Private Practice, Otorhinolaryngology, Ankara, Turkey.
Abstract
PURPOSE: To investigate and provide objective documentation of the possible differences in the axonal reinnervation process of facial muscles after hypoglossal-facial nerve anastomosis. Then, to search for the presence of the trigemino-hypoglossal reflex and determine whether it indicates better peripheral recovery. METHODS: Electrophysiological examination performed on 20 patients who had undergone VII-XII anastomosis, with follow-up periods of more than 2 years. RESULTS: The mean follow-up time after surgery was 4.1 ± 1.3 years (range 2-8 years). The degrees of axonal reinnervation for the orbicularis oculi (OOc) and orbicularis oris (OOr) were 46.91 ± 19.77 and 32.65 ± 14.85, respectively. And the difference between these muscles was statistically significant (p = 0.018) in favor of the OOc. In addition, R1 blink reflexes that were not followed by R2 components were observed in 30% of the patients. However, these 6 patients with short-latency potential did not differ from the others in terms of latency, the amplitude of compound muscle action potential (CMAP), and degree of axonal reinnervation (p > 0.05) at both muscles (OOc and OOr). CONCLUSION: The recoveries of the lower face and upper face are different after VII-XII anastomosis, and in our patients the OOc healed better. In addition, R1 blink reflexes that were not followed by R2 components were observed in 30% of the patients. However, the patients with these blink reflexes did not have better peripheral healing in their neuromuscular units, which suggests that the blink reflex is not an indicator for peripheral recovery.
PURPOSE: To investigate and provide objective documentation of the possible differences in the axonal reinnervation process of facial muscles after hypoglossal-facial nerve anastomosis. Then, to search for the presence of the trigemino-hypoglossal reflex and determine whether it indicates better peripheral recovery. METHODS: Electrophysiological examination performed on 20 patients who had undergone VII-XII anastomosis, with follow-up periods of more than 2 years. RESULTS: The mean follow-up time after surgery was 4.1 ± 1.3 years (range 2-8 years). The degrees of axonal reinnervation for the orbicularis oculi (OOc) and orbicularis oris (OOr) were 46.91 ± 19.77 and 32.65 ± 14.85, respectively. And the difference between these muscles was statistically significant (p = 0.018) in favor of the OOc. In addition, R1 blink reflexes that were not followed by R2 components were observed in 30% of the patients. However, these 6 patients with short-latency potential did not differ from the others in terms of latency, the amplitude of compound muscle action potential (CMAP), and degree of axonal reinnervation (p > 0.05) at both muscles (OOc and OOr). CONCLUSION: The recoveries of the lower face and upper face are different after VII-XII anastomosis, and in our patients the OOc healed better. In addition, R1 blink reflexes that were not followed by R2 components were observed in 30% of the patients. However, the patients with these blink reflexes did not have better peripheral healing in their neuromuscular units, which suggests that the blink reflex is not an indicator for peripheral recovery.
Authors: Isabelle Bernat; Elizabeth Vitte; Georges Lamas; Jacques Soudant; Jean Claude Willer; Frédéric Tankéré Journal: Muscle Nerve Date: 2006-03 Impact factor: 3.217
Authors: Sami Tanbouzi Husseini; David Victor Kumar; Giuseppe De Donato; Tamama Almutair; Mario Sanna Journal: Indian J Otolaryngol Head Neck Surg Date: 2012-01-07
Authors: Ingrid J Kleiss; Carien H G Beurskens; Peep F M Stalmeier; Koen J A O Ingels; Henri A M Marres Journal: Eur Arch Otorhinolaryngol Date: 2015-01-28 Impact factor: 2.503
Authors: Zdeněk Fík; Josef Kraus; Zdeněk Čada; Martin Chovanec; Alžběta Fíková; Eduard Zvěřina; Jan Betka; Jan Plzák Journal: Eur Arch Otorhinolaryngol Date: 2021-05-25 Impact factor: 2.503