Anaesthetic modification of regional myocardial functional adjustments during myocardial ischaemia: Halothane VS fentanyl

Y. D. Kim, M. Danchek, A. K. Myers, T. A. Burke, A. Analouei, D. L. Miller, S. Moore, Steven Scott Coughlin, M. S. Visner

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

During myocardial ischaemia, functional compensation occurs by non-ischaemic regions of the left ventricle (LV). Anaesthetics may affect compensation by altering contractility, metabolism and perfusion. This was studied in dogs anaesthetized with fentanyl (150 ng kg-1 loading dose and 100 fig kg-1h-1) or 0.75% and 1.5% halothane and subjected to left anterior descending artery (LAD) occlusion. After 15 min of anterior wall ischaemia, cardiac output, mean arterial pressure and LV maximum dP/dt were diminished in the 1.5% halothane but not in the 0.75% halothane or fentanyl groups. In all groups, stroke volume decreased, LV end-diastolic pressure increased and anterior wall function deteriorated (measured as systolic shortening, peak systolic intramyocardial pressure (IMP), regional wall stroke work (RSW) and slope of preload recruitable stroke work curve (Mw)) with ischaemia. Functional changes in the lateral (non-ischaemic) wall were different between groups. Regional function during occlusion in this area improved with fentanyl (mean (SEM) IMP, RSW and Mw increased by 23 (2)%, 37 (3)% and 69 (7)%, respectively), was relatively well-maintained with 0.75% halothane and diminished with 1.5% halothane.

Original languageEnglish (US)
Pages (from-to)286-292
Number of pages7
JournalBritish Journal of Anaesthesia
Volume68
Issue number3
DOIs
StatePublished - Mar 1992

Fingerprint

Fentanyl
Halothane
Myocardial Ischemia
Anesthetics
Heart Ventricles
Stroke
Ischemia
Blood Pressure
Ficus
Cardiac Output
Stroke Volume
Arterial Pressure
Arteries
Perfusion
Dogs
Pressure

Keywords

  • Anaesthesia, volatile: halothane
  • Analgesics: fentanyl
  • Heart: regional myocardial ischaemia

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Kim, Y. D., Danchek, M., Myers, A. K., Burke, T. A., Analouei, A., Miller, D. L., ... Visner, M. S. (1992). Anaesthetic modification of regional myocardial functional adjustments during myocardial ischaemia: Halothane VS fentanyl. British Journal of Anaesthesia, 68(3), 286-292. https://doi.org/10.1093/bja/68.3.286

Anaesthetic modification of regional myocardial functional adjustments during myocardial ischaemia : Halothane VS fentanyl. / Kim, Y. D.; Danchek, M.; Myers, A. K.; Burke, T. A.; Analouei, A.; Miller, D. L.; Moore, S.; Coughlin, Steven Scott; Visner, M. S.

In: British Journal of Anaesthesia, Vol. 68, No. 3, 03.1992, p. 286-292.

Research output: Contribution to journalArticle

Kim, Y. D. ; Danchek, M. ; Myers, A. K. ; Burke, T. A. ; Analouei, A. ; Miller, D. L. ; Moore, S. ; Coughlin, Steven Scott ; Visner, M. S. / Anaesthetic modification of regional myocardial functional adjustments during myocardial ischaemia : Halothane VS fentanyl. In: British Journal of Anaesthesia. 1992 ; Vol. 68, No. 3. pp. 286-292.
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