The effects of bispectral index monitoring on end-tidal desflurane concentration and desflurane consumption

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dc.contributor.authorKaymak, Çetin
dc.contributor.authorTakmaz, Suna Akin
dc.contributor.authorÖzcan, Ayşe Ongun
dc.contributor.authorGülhan, Yusuf
dc.contributor.authorDikmen, Bayazit
dc.date.accessioned2025-01-21T16:28:43Z
dc.date.available2025-01-21T16:28:43Z
dc.date.issued2008
dc.departmentKırıkkale Üniversitesi
dc.description.abstractAim: The aim of the study is to assess whether the concentration of end-tidal desflurane decreases or not with the use of bispectral index (BIS) monitoring to standard anesthetic practice. Materials and Methods: In all patients anesthesia was induced with thiopental sodium 5 mg kg-1 and fentanyl 1 ?g kg-1. The trachea was intubated using vecuronium 0.1mg kg-1. Anesthesia was maintained with desflurane, in a mixture of nitrous oxide 1 L min-1 and oxygen 1 L min-1. Desflurane with 4-6 % concentration was administered to patients for 5 min after tracheal intubation. Additional fentanyl 1 ?g kg-1 was given before skin insicion and no more was given. The desflurane concentration was then changed as follows: In Group I; if the patients displayed clinical signs consistent with inadequate anesthesia, the inspired desflurane concentration was increased or decreased by 1 %. In Group II, the anesthesiologist adjusted the concentration of desflurane to achieve a target BIS in the range of 50±5. Results: The mean BIS value was 35.98±2.3 and 45.68±5.3 in Group I and II, respectively. BIS levels in Group I were significantly lower during surgery (p=0.001). The end tidal desflurane concentrations in Group I were significantly higher than Group II (Group I: 4.61±0.48, Group II: 3.92±0.61) (p=0.007). The desflurane consumption was total 917.84±14.08 mL and 838.02±11.73 mL in Group I and II, respectively. Conclusion: These findings indicate that the use of BIS, as it decreases the end-tidal concentration of desflurane and desflurane consumption, has become a technique which determines the depth of anesthesia safely.
dc.identifier.endpage152
dc.identifier.issn1304-0871
dc.identifier.issue3
dc.identifier.scopus2-s2.0-49949117535
dc.identifier.scopusqualityN/A
dc.identifier.startpage147
dc.identifier.urihttps://hdl.handle.net/20.500.12587/23620
dc.identifier.volume36
dc.indekslendigikaynakScopus
dc.language.isotr
dc.relation.ispartofTurk Anesteziyoloji ve Reanimasyon Dernegi Dergisi
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241229
dc.subjectBispectral index; Desflurane; General anesthesia; Inhalational anesthetics; Monitoring
dc.titleThe effects of bispectral index monitoring on end-tidal desflurane concentration and desflurane consumption
dc.title.alternativeBispektral i?ndeks monitorizasyonunun end-tidal desfluran konsantrasyonu ve desfluran tüketimi üzerine etkisi
dc.typeArticle

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