Transcranial Doppler ultrasonography with induction of anesthesia and neuromuscular blockade in surgical patients

W. Andrew Kofke, Natalie Shaheen, Julie McWhorter, Elizabeth H. Sinz, Gerald Hobbs

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Study Objectives: To evaluate the cerebral vascular effects of cis-atracurium and rocuronium given after thiopental induction of anesthesia. Design: Randomized, single-blinded study. Setting: University-affiliated hospitalPatients: 39 adult ASA physical status I and II patients undergoing nonintracranial procedures. Interventions: Patients received intravenously (IV), either saline placebo, cis-atracurium, or rocuronium after induction of general anesthesia with thiopental sodium. Measurements: The right middle cerebral artery was insonated using a pulsed-wave range-gated transcranial Doppler, and data were recorded at preinduction, immediately postinduction, at injection of the study drug, and at 15-second intervals for 3 minutes thereafter. The variables recorded for each subject included the systolic, diastolic, and mean flow velocity, as well as pulsality index, systolic, diastolic, and mean arterial blood pressure (MAP), and end-tidal carbon dioxide concentration. Main Results: No significant differences between the groups were present in the postanesthetic induction maximal or minimal mean flow velocity.Conclusions: cis-Atracurium and rocuronium, administered after thiopental, do not produce clinically relevant changes in cerebral blood flow velocity.

Original languageEnglish (US)
Pages (from-to)335-338
Number of pages4
JournalJournal of Clinical Anesthesia
Volume13
Issue number5
DOIs
StatePublished - Aug 18 2001

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Atracurium
Doppler Transcranial Ultrasonography
Neuromuscular Blockade
Thiopental
Anesthesia
Cerebrovascular Circulation
Arterial Pressure
Blood Flow Velocity
Middle Cerebral Artery
Carbon Dioxide
General Anesthesia
Blood Vessels
Placebos
Injections
Pharmaceutical Preparations
rocuronium

All Science Journal Classification (ASJC) codes

  • Anesthesiology and Pain Medicine

Cite this

Kofke, W. Andrew ; Shaheen, Natalie ; McWhorter, Julie ; Sinz, Elizabeth H. ; Hobbs, Gerald. / Transcranial Doppler ultrasonography with induction of anesthesia and neuromuscular blockade in surgical patients. In: Journal of Clinical Anesthesia. 2001 ; Vol. 13, No. 5. pp. 335-338.
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Transcranial Doppler ultrasonography with induction of anesthesia and neuromuscular blockade in surgical patients. / Kofke, W. Andrew; Shaheen, Natalie; McWhorter, Julie; Sinz, Elizabeth H.; Hobbs, Gerald.

In: Journal of Clinical Anesthesia, Vol. 13, No. 5, 18.08.2001, p. 335-338.

Research output: Contribution to journalArticle

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