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To the Editor:—
I am writing to protest the editorial in The Journal, July 2, page 1032, entitled "Use of Air Pressure to Speed up Blood Transfusion." Since the editorial is unsigned, I do not know its source, but I would hazard the guess that the writer has never been faced with the problem of the rapid administration of large amounts of bank blood. He comments that he was unaware of the fact that the transfusion of blood under air pressure is still in common use. I am sure there is no institution where radical surgery is performed that does not use blood under air-positive pressure. Also, the author does not seem to understand that there is usually a safety vent trap bottle of saline solution interposed between the blood which is being subjected to the air pressure and the direct line to the patient. The recommendation from such an
William S. Howland. AIR PRESSURE IN BLOOD TRANSFUSIONS. JAMA. 1960;174(13):1754. doi:10.1001/jama.1960.03030130082027
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