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Canadian Journal of Anesthesia, Vol 14, 26-32, Copyright © 1967 by Canadian Anesthesiologists' Society

Changes in Retinal Arterial Blood Pressure During Cyclopropane and Halothane Anaesthesia in Children

OSCAR FARMATI M.D.1, ALFRED FREEMAN M.D.2, and FRANK MOYA M.D.3

1 University of Pittsburgh School of Medicine, and Eye and Ear Hospital, Pittsburgh, Pa
2 University of Miami School of Medicine, and Department of Anesthesia, Variety Children's Hospital, Miami, Florida
3 Department of Anesthesiology, University of Miami School of Medicine, and Jackson Memorial Hospital, Miami, Florida

Ophthalmodynamometric determinations were used for measuring the blood pressure in the central retinal artery during cyclopropane anaesthesia in children. The results were correlated with the systemic blood pressure and later analysed and compared with the results obtained under similar conditions when the maintenance agent was halothane. When evaluated in terms of the difference between systemic and retinal arterial pressures, both systolic and diastolic, the two agents were shown to have similar average effects, i.e. in lowering the retinal arterial blood pressure. It is the progression of the blood pressure change over the various E.E.G. levels which distinguishes the two agents.

Note:

Supported in part by General Research Support Grant NIH-Inst. Fr. 5363-05/1390303.






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Copyright © 1967 by the Canadian Anesthesiologists' Society.