May 1958, Vol 76, No. 5 >

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ARTICLE | May 1958

Determination of the End-Diastolic Pressure Gradient Across the Mitral Valve at Mitral Commissurotomy

RUSSELL M. NELSON, M.D., Ph.D.; HANS H. HECHT, M.D.; ROBERT P. CARLISLE

AMA Arch Surg. 1958;76(5):830-834. doi:10.1001/archsurg.1958.01280230170026.

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The attempted quantitation of mitral valvular obstruction from data obtained by right-heart catheterization¹ has been extended and refined by techniques designed to record pressures directly from the left atrium and left ventricle^2-6 and by the use of simultaneous right- and left-heart catheterization and central arterial pulse forms for the estimation of flow and pressures in the cardiovascular system.^7-11 These procedures have made possible a reasonably accurate assessment of mitral-valve obstruction prior to surgery and have allowed an estimation of the degree of relief obtained by surgical intervention.^12,13 The recent reports of "restenosis"^14-20 raise the question whether these diagnostic adjuncts may not be of value in evaluating the surgical procedure itself.

This report concerns the application of the principles of left-heart catheterization to the operation of mitral commissurotomy, with a twofold purpose in mind: First, an accurate quantitation of the degree of mitral stenosis might be

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NELSON RM, HECHT HH, CARLISLE RP. Determination of the End-Diastolic Pressure Gradient Across the Mitral Valve at Mitral Commissurotomy. AMA Arch Surg. 1958;76(5):830-834. doi:10.1001/archsurg.1958.01280230170026.

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Determination of the End-Diastolic Pressure Gradient Across the Mitral Valve at Mitral Commissurotomy

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