Images in Clinical Medicine

Kim Eagle, M.D., Editor

Percutaneous Balloon Pulmonary Valvuloplasty

David Keane, M.R.C.P.I., and Graham Jackson, F.R.C.P.

N Engl J Med 1994; 331:846September 29, 1994

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Article

Figure 1 Percutaneous Balloon Pulmonary Valvuloplasty.

A 49-year-old woman with symptomatic pulmonary stenosis underwent percutaneous balloon valvuloplasty. In Panel A a guide wire has been advanced into the left pulmonary artery, and a contrast-filled, catheter-mounted balloon straddles the stenotic pulmonary valve. In Panel B the 25-mm balloon is fully inflated to a pressure of 3 atmospheres, with dilatation of the pulmonary valve, as evidenced by the disappearance of the balloon waist. The transvalvular pressure gradient was reduced from 65 to 32 mm Hg.

Kim Eagle, M.D.

David Keane, M.R.C.P.I.
Graham Jackson, F.R.C.P.
Guy's Hospital, London SE1 9RT, United Kingdom

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