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1 Associate Professor of Radiology, University of Oregon Medical School, Hospitals and Clinics, Portland, Oregon.
2 Professor and Head, Department of Radiology, University of Oregon Medical School, Hospitals and Clinics, Portland, Oregon.
Vital statistics are an impressive argument for the development of a direct surgical attack upon coronary heart disease. A necessary prerequisite to such an attack is a safe method for clearly and predictably visualizing the coronary arteries prior to surgery.
Considerable experimental work has shown that occlusion aortography, with injection of contrast medium proximal to an occluding balloon within the ascending aorta, meets the above requirements. Used in conjunction with this technic, acetylcholine-induced cardiac arrest may be expected further to improve the results.
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