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  • Oras, Jonatan,1978Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care (author)

Early treatment with isoflurane attenuates left ventricular dysfunction and improves survival in experimental Takotsubo

  • Article/chapterEnglish2017

Publisher, publication year, extent ...

  • 2017-02-10
  • Wiley,2017

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  • LIBRIS-ID:oai:gup.ub.gu.se/253695
  • https://gup.ub.gu.se/publication/253695URI
  • https://doi.org/10.1111/aas.12861DOI

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  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • BackgroundTakotsubo syndrome (TS) is an acute cardiac condition, often triggered by critical illness, for which no specific treatment exists. Previously, we showed that isoflurane can prevent experimental TS. The aim of this study was to evaluate the potential treatment effects of isoflurane. Our primary hypothesis was that early treatment with isoflurane attenuates left ventricular akinesia in experimental TS. MethodIn propofol-sedated animals, TS was induced by an intraperitoneal bolus of isoprenaline (50 mg/kg). Animals were randomized to one of six groups (n = 15 in each group), and 1% isoflurane was administered for 90 min in all groups. Isoflurane treatment was started at 0, 10, 30 (early treatment) or 120 (late treatment) minutes after isoprenaline injection. One additional late treatment group received isoflurane 0.5% for 180 min. A control group did not receive isoflurane. Left ventricular (LV) echocardiographic examination was performed at 90 min and 48 h after isoprenaline. Mortality was assessed at 48 h. ResultsMedian degree of LV akinesia at 90 min was 24% in the control group and 0% in the early treatment groups (P < 0.001). Stroke volume, cardiac output and LV ejection fraction were higher in the early treatment groups vs. controls (P < 0.01). Mortality was lower in the early treatment groups (24%) vs. controls (86%) (P < 0.001). Mortality did not differ between the late treatment groups and controls. ConclusionEarly treatment with isoflurane attenuates the LV akinesia and improves survival in experimental TS. Isoflurane sedation in patients at risk of developing Takotsubo syndrome could be a subject for future studies.

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  • Redfors, BjörnGothenburg University,Göteborgs universitet,Center for Cardiovascular and Metabolic Research (CMR),Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Institute of Medicine, Department of Molecular and Clinical Medicine(Swepub:gu)xredbj (author)
  • Gasim Elsied, Anwar AliGothenburg University,Göteborgs universitet,Wallenberglaboratoriet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Wallenberg Laboratory,Institute of Medicine, Department of Molecular and Clinical Medicine(Swepub:gu)xgasan (author)
  • Alkhoury, Jessica,1988Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för molekylär och klinisk medicin,Wallenberglaboratoriet,Institute of Medicine, Department of Molecular and Clinical Medicine,Wallenberg Laboratory(Swepub:gu)xalkdj (author)
  • Seeman-Lodding, Heléne,1957Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care(Swepub:gu)xseehe (author)
  • Omerovic, Elmir,1968Gothenburg University,Göteborgs universitet,Wallenberglaboratoriet,Center for Cardiovascular and Metabolic Research (CMR),Wallenberg Laboratory(Swepub:gu)xomeel (author)
  • Ricksten, Sven-Erik,1953Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård,Institute of Clinical Sciences, Department of Anesthesiology and Intensive care(Swepub:gu)xricsv (author)
  • Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för anestesiologi och intensivvård (creator_code:org_t)

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  • In:Acta Anaesthesiologica Scandinavica: Wiley61:4, s. 399-4070001-5172

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