Individual effect-site concentrations of propofol at return of consciousness are related to the concentrations at loss of consciousness and age in neurosurgical patients

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorNunes, Catarina S.-
Autor(es): dc.creatorFerreira, David A.-
Autor(es): dc.creatorAntunes, Luís-
Autor(es): dc.creatorLobo, Francisco-
Autor(es): dc.creatorSantos, Isabel A.-
Autor(es): dc.creatorAmorim, Pedro-
Data de aceite: dc.date.accessioned2025-08-21T15:19:03Z-
Data de disponibilização: dc.date.available2025-08-21T15:19:03Z-
Data de envio: dc.date.issued2023-05-29-
Data de envio: dc.date.issued2023-05-29-
Data de envio: dc.date.issued2009-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/10400.2/13884-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/10400.2/13884-
Descrição: dc.descriptionStudy Objective: To investigate whether a patient's propofol effect-site concentration at return to consciousness (ROC) was related to the propofol effect-site concentration at loss of consciousness (LOC) and to patients' individual demographic parameters. Design: Prospective study. Setting: Operating room. Patients: 31 ASA physical status I and II neurosurgical patients with Glasgow Coma Score N 15, and scheduled to receive total intravenous anesthesia with effect-site target controlled infusion (TCI) of propofol and remifentanil. Interventions: A constant propofol infusion was administered until LOC. At LOC, remifentanil started with a plasma concentration target of 2.5 ng mL 1 . Main Results: Propofol concentration at LOC was 4.9 ± 1 μg mL 1 . At ROC, propofol and remifentanil concentrations were 1.16 ± 0.3 μg mL 1 and 3.41 ± 1.5 ng mL 1 . Significant correlation was observed between propofol concentrationa at ROC and LOC, between propofol concentration at ROC and patient age (48.7 ± 15 yrs), and between propofol concentrations at ROC and LOC, divided by patient's age. Conclusions: The correlation between propofol concentrations at ROC and LOC was improved by inclusion of patient age data.-
Descrição: dc.descriptioninfo:eu-repo/semantics/publishedVersion-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Publicador: dc.publisherElsevier-
Palavras-chave: dc.subjectConsciousness, loss of-
Palavras-chave: dc.subjectConsciousness, return to-
Palavras-chave: dc.subjectDrug dosages: effect-site concentrations-
Palavras-chave: dc.subjectPropofol, hypnotic dose-
Título: dc.titleIndividual effect-site concentrations of propofol at return of consciousness are related to the concentrations at loss of consciousness and age in neurosurgical patients-
Aparece nas coleções:Repositório Aberto - Universidade Aberta (Portugal)

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