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To the Editor:
—So many conflicting statements have been attributed to my remarks in regard to the therapeutic use of spinal anesthesia for the emergency relief of certain types of hypertension (Combined Meeting of the New York Society of Anesthetists and American Society of Regional Anesthesia, Misericordia Hospital, New York, April 11) that I have considered it advisable to make this brief statement preliminary to a series of cases treated by this method which will be reported in detail rather shortly.The depressor phenomenon of spinal anesthesia, so far as it relates to clinical blood pressure, has long been known to surgeons; in fact, the sudden drop in blood pressure accompanying this type of anesthesia led many surgeons to abandon its use in the early days of its employment.In a study of some 3,000 spinal anesthesia records made in 1931, several striking and interesting facts were demonstrated; from these,
Hyman AS. SPINAL ANESTHESIA IN HYPERTENSION. JAMA. 1933;101(18):1410–1411. doi:10.1001/jama.1933.02740430056030
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