Affiliation:
1. From the Albert Einstein College of Medicine, Bronx, New York.
Abstract
A dual-chambered balloon mounted on a single-lumen catheter is described, consisting of a distal spherical occluding balloon and a narrower cylindrical pumping balloon. This balloon, in contrast to the conventional single-chambered balloon, pumps blood unidirectionally toward the aortic root in diastole, effecting a 66 to 100% greater increase in coronary blood flow. The implications of this concept are discussed, with particular reference to cardiogenic shock. Significant improvement in all measurable indices of ventricular work are demonstrated both clinically and experimentally. Results in patients are summarized.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Physiology (medical),Cardiology and Cardiovascular Medicine
Cited by
4 articles.
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