A Simplified Technic for the Detection of Patent Ductus Arteriosus and of Other Left-to-Right Shunts Originating from the Aorta | Zendy

Eugene Braunwald | Zendy; William P. Cornell | Zendy

Open Access

A Simplified Technic for the Detection of Patent Ductus Arteriosus and of Other Left-to-Right Shunts Originating from the Aorta

Author(s) -

Eugene Braunwald,

William P. Cornell

Publication year - 1961

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/01.cir.23.2.279

Subject(s) - medicine , shunt (medical) , ductus arteriosus , aorta , aortic arch , aortic root , left pulmonary artery , catheter , aortography , descending aorta , cardiology , surgery , pulmonary artery

A simplified technic for the detection of left-to-right shunts originating from the aorta is described. A thin, radiopaque catheter is introduced into the aortic arch through a Cournand needle placed in the femoral artery, and injections of a solution of Kr85 are made. In the presence of a shunt the injected Kr85 is rapidly detected in the expired air but in the absence of a shunt the appearance time of Kr85 in the expired air is delayed. When an aortic shunt is present it may be localized by means of injections of cardiogreen dye at various points in the aorta by sampling the blood from the right brachial artery. The value of these technics is illustrated by descriptions of their application in five patients with various forms of congenital or acquired heart disease.

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