• World Neurosurg · Oct 2020

    "Relationship between the bilateral removal of the middle nasal turbinate and the olfactory function in endoscopic skull base surgery".

    • Dolci Ricardo L L RLL Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa Casa of SP, , de Carvalho Ana Carolina Mayor ACM Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa, Rickli Jeniffer Cristina Kozechen JCK Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Sa, de Souza Jamile Lopes JL Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa Casa of S, Williams Escalante Encinas, Dolci José Eduardo Lutaif JEL Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa Casa, Dos Santos Américo Rubens Leite ARL Discipline of Neurosurgery, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa , and Paulo Roberto Lazarini.
    • Department of Otolaryngology, Department of Surgery at Santa Casa de Misericórdia of São Paulo and College of Medical Sciences at Santa Casa of SP, São Paulo, Brazil; Skull Base Surgery Center, Santa Casa de São Paulo, São Paulo, Brazil. Electronic address: landini37@hotmail.com.
    • World Neurosurg. 2020 Oct 1; 142: e337-e343.

    ObjectiveTo determine the impact of endonasal endoscopic access to the skull base on the olfaction sense, involving the harvest of a nasoseptal flap, with the removal of the middle nasal turbinate.MethodsA study was performed on a prospective cohort of 50 patients who underwent transnasal endoscopic surgery of the anterior skull base, with the harvest of a nasoseptal and reverse flap. The patients were divided into 2 groups: partial unilateral removal of the middle nasal turbinate and bilateral removal. Connecticut Chemosensory Clinical Research Center tests were administered before surgery and in months 1, 3, and 6 after surgery.ResultsThere was no difference in the olfactory sense, when comparing the partial removal of the middle nasal turbinate and the bilateral removal, as well as when comparing the side without the middle nasal turbinate and the side with this structure preserved. There was a worsening in olfaction (P < 0.001) in months 1 and 3 after surgery, returning to baseline in month 6 (P > 0.05).ConclusionsBilateral removal of the middle nasal turbinate, compared with unilateral resection, showed no impact on the olfactory function 6 months after surgery. In both groups, there was a transitory decrease in the first month, but this normalized by the sixth postoperative month.Copyright © 2020 Elsevier Inc. All rights reserved.

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