PMID: 6538380Mar 15, 1984Paper

Two-dimensional echocardiography in discrete subaortic stenosis

The American Journal of Cardiology
M MotroS Rath

Abstract

Thirty-seven patients with discrete subaortic stenosis (DSS) underwent 2-dimensional echocardiography (2-D echo) and cardiac catheterization. The peak systolic pressure gradients ranged from 0 to 150 mm Hg. Thirty-two patients had membranous DSS and 5 had fibromuscular DSS. Of 37 patients with DSS, 2-D echo diagnosed the presence and type in 35; in 2, a membrane was demonstrated by angiography. Of the 35 patients accurately diagnosed by 2-D echo, angiography corroborated the diagnosis in 33, but failed to show the membrane in 2. Subsequent cardiac surgery confirmed the accuracy of the echocardiographic diagnosis in these 2 patients. In all patients with membranous DSS, the anterior insertion of the membrane was demonstrated. In 9 of them the posterior insertion was demonstrated by tilt of the transducer but the anterior insertion disappeared. In 4 patients both insertions were demonstrated simultaneously and in 3 patients the membrane was demonstrated as a continuous line. In 4 of the 5 patients with fibromuscular DSS, both insertions of the lesion were demonstrated simultaneously. However, 2-D echo was unsuccessful in assessing the severity of obstruction. In only 1 patient did demonstration of the whole subaortic membrane as ...Continue Reading

References

Aug 1, 1978·The American Journal of Cardiology·C S SungD A Cooley
Sep 1, 1978·British Heart Journal·J Somerville, L Becú
May 1, 1979·The American Journal of Cardiology·T E BerryM H Paul
Jul 1, 1976·The American Journal of Cardiology·E A NewfeldW L Riker
Mar 4, 1976·The American Journal of Cardiology·A E WeymanS Chang
Feb 1, 1974·Circulation·R L PoppD C Harrison

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Citations

Oct 1, 1991·British Heart Journal·J P GnanapragasamJ C Pollock
Apr 6, 1999·The American Journal of Cardiology·A Dall'AgataA J Bogers
May 23, 2002·Journal of the American Animal Hospital Association·Mark A Oyama, William P Thomas

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