Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1590/S0034-70942004000500012
Brazilian Journal of Anesthesiology
Miscellaneous

O plantão noturno em anestesia reduz a latência ao sono

Short sleep latency in residents after a period on duty in anesthesia

Lígia Andrade da Silva Telles Mathias; Christina Morotomi Funatsu Coelho; Elizabeth Pricoli Vilela; Joaquim Edson Vieira; Marcelo Lacava Pagnocca

http://dx.doi.org/10.1590/S0034-70942004000500012 Braz J Anesthesiol, vol.54, n5, p.693-699, 2004
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Resumo

JUSTIFICATIVA E OBJETIVOS: Os médicos em geral, os anestesiologistas em particular, têm jornadas de trabalho prolongadas. Os residentes de Anestesiologia podem apresentar fadiga e estresse significativos. O objetivo deste trabalho foi verificar, em residentes de primeiro e segundo anos a latência do sono em períodos após plantão. MÉTODO: Foram avaliados 11 residentes em situações distintas: às 7 horas da manhã, após noite de sono normal (> 7h), sem plantão nos 3 dias anteriores (M1); às 7 horas da manhã, após 24 horas de trabalho, sem dormir, sem plantão nos 3 dias anteriores (M2); às 13 horas da tarde, após 30 horas de trabalho, sem dormir, sem plantão nos 3 dias anteriores (M3). Em todas essas situações foi realizado eletroencefalograma (EEG) contínuo, em sala apropriada para registro dos sinais de sono, avaliando a latência ao sono (LS). RESULTADOS: Verificou-se redução significativa da LS entre os residentes, após 24 ou 30 horas de plantão sem dormir. Entre os residentes que tiveram noite de sono normal na véspera do exame, 36,4% apresentaram LS em nível considerado patológico. CONCLUSÕES: A jornada de plantão de 24 ou 30 horas leva a valores de LS menores que 5 minutos, considerados patológicos, refletindo a fadiga extrema de residentes de Anestesiologia. Pode ser importante a regulamentação do número de horas de descanso pós-plantão.

Palavras-chave

ANESTESIOLOGISTA, SISTEMA NERVOSO CENTRAL

Abstract

BACKGROUND AND OBJECTIVES: Physicians in general, and anesthesiologists in particular, have long working hours. Residents of Anesthesiology may present significant fatigue and stress. This study aimed at investigating first and second year residents’ sleep latency after a period on duty. METHODS: Participated in this study 11 residents in different situations: at 7:00 am, after a normal night sleep (> 7 h), without on duty period in the last 3 days (M1); at 7:00 am, after 24h of night work, without on duty period in the last 3 days (M2); and at 1:00 pm after 30h of work without on duty period in the last 3 days (M3). Continuous EEG was performed for all situations in adequate room to record sleep signals. Sleep latency (SL) was evaluated. RESULTS: There has been significant shorter SL among residents after 24 or 30 hours without sleep. From residents after a normal night sleep the day before the evaluation, 36.4% presented pathological SL levels. CONCLUSIONS: Periods on duty for 24 or 30 hours lead to SL values below 5 minutes, which are considered pathologic and reflect extreme fatigue of residents of Anesthesiology. It might be important to standardize the number of resting hours after duty periods.

Keywords

ANESTHESIOLOGIST, CENTRAL NERVOUS SYSTEM

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