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Analysis of frontal sharp transients in 32 neonatal polysomnography in healthy fullterm newborns
Crippa, Ana Chrystina; Silvado, Carlos Eduardo; Paola, Luciano de; Scola, Rosana H; Fernandes, Regina Maria; Werneck, Lineu César.
  • Crippa, Ana Chrystina; University Federal of Paraná. Hospital de Clínicas. Internal Medicine Department. Neurology Division. Curitiba. BR
  • Silvado, Carlos Eduardo; University Federal of Paraná. Hospital de Clínicas. Internal Medicine Department. Neurology Division. Curitiba. BR
  • Paola, Luciano de; University Federal of Paraná. Hospital de Clínicas. Internal Medicine Department. Neurology Division. Curitiba. BR
  • Scola, Rosana H; University Federal of Paraná. Hospital de Clínicas. Internal Medicine Department. Neurology Division. Curitiba. BR
  • Fernandes, Regina Maria; University of São Paulo. Ribeirão Preto School of Medicine. Department of Neurology, Psychiatry and Clinical Psychology. Ribeirão Preto. BR
  • Werneck, Lineu César; UFPR. Hospital de Clínicas. Head of the Neurology Service. Curitiba. BR
Arq. neuropsiquiatr ; 65(2A): 222-227, jun. 2007.
Article in English | LILACS | ID: lil-453916
ABSTRACT

OBJECTIVE:

To identify and quantify frontal sharp transients found in neonatal polysomnography of healthy full term newborns in each stage of the sleep-wake cycle within the first 48 hours of life.

METHOD:

The EEG from healthy term 32 newborns, legal age of two days and with adequate monitoring during pregnancy. Frontal sharp transients (FST) were quantified, according to synchronous or asynchronous, in each stage of the sleep-wake cycle. The results were compared by Kruskal-Wallis-test.

RESULTS:

FST were counted individually in each sleep phase, being present during quiet sleep (QS) in all tracings. FST bilateral and synchronous and lateralized FST were more frequent during QS (p<0.05).

CONCLUSION:

Lateralized FST were found mostly during quiet sleep. FST asynchronous in healthy full term newborns were normal and depended of FST density. FST unilateral appearance should not necessarily be considered abnormal as well.
RESUMO

OBJETIVO:

Identificar e quantificar transientes agudos frontais encontrados em EEG neonatal de recém-nascidos a termo saudáveis em cada estágio do ciclo de sono-vigília nas primeiras 48 horas de vida.

MÉTODO:

Foram estudados os EEG de 32 recém-nascidos saudáveis, com até 2 dias de vida e adequada monitorização durante a gestação. Transientes agudos frontais (TAF) foram quantificados como síncronos ou assíncronos, em cada estágio do ciclo de sono-vigília. Os resultados foram comparados pelo teste de Kruskal-Wallis.

RESULTADOS:

TAF foram contados em cada fase do sono, estando presente no sono quieto de todos os traçados. TAF bilateral e síncrono ou lateralizado predominou durante o sono quieto (p<0,05).

CONCLUSÃO:

TAF lateralizados foram encontrados predominantemente durante o sono quieto. TAF assíncrono em recém-nascidos saudáveis a termo foi normal dependendo da densidade de incidência. TAF unilateral pode não ser considerado anormal.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Sleep / Infant, Newborn / Polysomnography / Electroencephalography / Frontal Lobe Type of study: Diagnostic study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPR/BR / University Federal of Paraná/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Sleep / Infant, Newborn / Polysomnography / Electroencephalography / Frontal Lobe Type of study: Diagnostic study / Prognostic study Limits: Female / Humans / Male Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UFPR/BR / University Federal of Paraná/BR / University of São Paulo/BR