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ARTICLE |

Angiographic Estimation of the Size of the Aortic Valve Annulus

Noel H. Fishman, MD; Hugo G. Bogren, MD; Erik S. Carlsson, MD
Arch Surg. 1970;101(6):717-720. doi:10.1001/archsurg.1970.01340300073013.
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ABSTRACT

The aortic annular diameter as measured on the posteroanterior projection of left ventricular cineangiograms was found to correlate well with the size of the sewing ring used to replace the diseased aortic valve in 22 consecutive patients. The exact size of the prosthesis which was used could be predicted in 73% of the patients. The average error between radiographic measurement of the annular diameter and the outer diameter of the sewing ring actually used was less than 1 mm when adjusted for the presence of heavy, annular calcification and concomitant mitral valve implantation.

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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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