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Published in last 50 years
Clinical implications of effects of thoracic epidural anesthesia on endocardial/epicardial flow distribution ratio are not justified.
The cardio-respiratory effects of an epidural anaesthetic given to 13 subjects pre-operatively are reported. They were fasting, unpremedicated and supine. A sensory block up to the 4th thoracic segment was not followed by any significant change in frc, fev1, vc, A-aDo2, Qs/Qt or cardiac output.