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Short term olfactory memory and olfactory function after inhalation anesthetic agents: a randomized clinical trial / Memória olfativa de curta duração e função olfativa após anestésicos inalatórios: estudo clínico randomizado
Sari, Huseyin; Atar, Yavuz; Mingir, Tarkan; Kumral, Tolgar Lutfi; Akgun, Muhammed Fatih; Ahmed, Esmail Abdulahi; Aydogdu, Imran; Salturk, Ziya; Berkiten, Guler; Uyar, Yavuz.
  • Sari, Huseyin; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Atar, Yavuz; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Mingir, Tarkan; Okmeydanı Training and Research Hospital. Department of Anesthesiology. Istanbul. TR
  • Kumral, Tolgar Lutfi; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Akgun, Muhammed Fatih; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Ahmed, Esmail Abdulahi; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Aydogdu, Imran; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Salturk, Ziya; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Berkiten, Guler; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
  • Uyar, Yavuz; Okmeydanı Training and Research Hospital. Department of Otorhinolaryngology-Head and Neck Surgery. Istanbul. TR
Rev. bras. anestesiol ; 70(1): 36-41, Jan.-Feb. 2020. tab
Article in English, Portuguese | LILACS | ID: biblio-1137146
ABSTRACT
Abstract Background and

objectives:

This clinical trial aimed to evaluate the effects of two different inhalation anesthetic agents on postoperative olfactory memory and olfactory function in patients who underwent micro laryngeal surgery.

Methods:

This randomized prospective controlled study consisted of 102 consecutive patients with a voice disorder. The patients underwent micro laryngeal surgery for voice disorders under general anesthesia. Patients who did not meet inclusion criteria and/or declined to participate (n = 34) were excluded from the study. Patients were divided into two groups. Four patients from Group 1 and four patients from Group 2 were lost to follow-up. Group 1 (n = 30) received sevoflurane, and Group 2 (n = 30) received desflurane during anesthesia. We compared the results by performing the pre-op and post-op Connecticut Chemosensory Clinical Research Center Olfactory test.

Results:

Thirty-three patients (55%) were male and 27 (45%) were female. The mean age was 48.18 ± 13.88 years (range 19‒70 years). Preoperative and postoperative olfactory functions did not show a significant difference within the groups postoperatively (p > 0.05). Preoperative and postoperative olfactory memory showed a significant decrease 3 hours after the surgery (p < 0.05).

Conclusions:

Olfactory functions and memory were not affected by desflurane in the early postoperative period. Although sevoflurane did not affect olfactory functions, it had a temporary negative effect on olfactory memory in the early postoperative period.
RESUMO
Resumo Introdução e

objetivos:

O estudo avaliou o efeito pós-operatório de dois agentes anestésicos inalatórios distintos na memória olfativa de curta duração e na função olfativa em pacientes submetidos à microcirurgia de laringe.

Método:

O estudo prospectivo controlado randomizado avaliou, consecutivamente, 102 pacientes com alteração vocal submetidos à microcirurgia de laringe sob anestesia geral. Trinta e quatro pacientes não obedeceram aos critérios de inclusão e/ou não aceitaram participar do estudo e foram excluídos. Os pacientes foram divididos em dois grupos. Quatro pacientes do Grupo 1 e quatro do Grupo 2 foram perdidos durante o seguimento. O Grupo 1 (n = 30) recebeu sevoflurano durante a anestesia e o Grupo 2 (n = 30), desflurano. Comparamos resultados pré e pós-operatórios de memória olfativa e funções olfativas, realizando o Connecticut Chemosensory Clinical Research Center Olfactory test.

Resultados:

Foram incluídos um total de 33 (55%) homens e 27 (45%) mulheres. A idade média foi 48,18 ± 13,88 anos (variação 19-70 anos). As funções olfativas pré e pós-operatórias não apresentaram diferença estatisticamente significante dentro dos grupos no pós-operatório (p > 0,05). A memória olfativa pré e pós-operatória não mostrou diminuição estatisticamente significante quando avaliada três horas após a cirurgia (p< 0,05).

Conclusões:

Memória e funções olfativas não foram alteradas pelo desflurano no pós-operatório imediato. Embora o sevoflurano não tenha alterado as funções olfativas, causou efeito temporário negativo na memória olfativa no pós-operatório imediato.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Smell / Anesthetics, Inhalation / Sevoflurane / Desflurane / Memory, Short-Term Type of study: Controlled clinical trial / Observational study Limits: Adult / Aged / Female / Humans / Male Language: English / Portuguese Journal: Rev. bras. anestesiol Journal subject: Anesthesiology Year: 2020 Type: Article Affiliation country: Turkey Institution/Affiliation country: Okmeydan&#305; Training and Research Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Smell / Anesthetics, Inhalation / Sevoflurane / Desflurane / Memory, Short-Term Type of study: Controlled clinical trial / Observational study Limits: Adult / Aged / Female / Humans / Male Language: English / Portuguese Journal: Rev. bras. anestesiol Journal subject: Anesthesiology Year: 2020 Type: Article Affiliation country: Turkey Institution/Affiliation country: Okmeydan&#305; Training and Research Hospital/TR