Ellison, R.C. , Wagner, H.R., Weidman , W.H., et al.: Congenital valvular aortic stenosis: Clinical detection of small pressure gradient. Am. J. Cardiol. , 37: 757, 1976.
2.
Glancy, D.L. , Epstein, S.E.: Differential diagnosis of type and severity of obstruction to left ventricular outflow. Prog. Cardiovasc. Dis., 14: 153, 1971.
Chiariello, L., Agosti, J., Vlad , P., et al.: Congenital aortic stenosis. Experience with 43 patients. J. Thorac. Cardiovasc. Surg., 72: 182, 1976.
5.
Witham, A.C.: A System of Vectorcardiographic Interpretation. Chicago : Year Book Medical Publishers, 1975, p. 123.
6.
Arani, D.T., Carleton, R.A.: Assessment of aortic valvular stenosis from the aortic pressure pulse . Circulation, 36: 30, 1967.
7.
Hawker, R.E. , Seara, C.A., Krovetz , L.J.: Distalward modification of the arterial pulse wave in children with congenital aortic stenosis. Circulation , 50: 181, 1974.
8.
Bonner, A.J. , Sacks, H.N., Tavel , M.E.: Assessing the severity of aortic stenosis by phonocardiography and external carotid pulse recordings . Circulation, 48: 247, 1973.
9.
Parisi, A.F. , Salzman, S.H., Schechter , E.: Systolic time intervals in severe aortic valve disease. Changes with surgery and hemodynamic correlations . Circulation, 44: 539, 1971.
10.
Aziz KU, van Grondelle A., Paul MH, et al.: Echocardiographic assessment of the relation between left ventricular wall and cavity dimensons and peak systolic pressure in children with aortic stenosis. Am. J. Cardiol., 40: 775, 1977.
11.
Bennett DH, Evans DW, Raj Mvj: Echocardiographic left ventricular dimensions in pressure and volume overload. Their use in assessing aortic stenosis. Br. Heart J., 37: 971, 1975.
12.
Glanz S., Hellenbrand WE, Berman MA, et al.: Echocardiographic assessment of the severity of aortic stenosis in children and adolescents. Am. J. Cardiol., 38: 620, 1976.
13.
Gewitz MH, Werner JC, Kleinman CS, et al.: Role of echocardiography in aortic stenosis. Pre- and postoperative studies. Am. J. Cardiol., 43: 67, 1979.
14.
Weyman AE, Feigenbaum H., Hurwitz RA, et al.: Cross-sectional echocardiographic assessment of the severity of aortic stenosis in children. Circulation, 55: 773, 1977.
15.
Vlad P., Hohn A., Lambert EC: Retrograde arterial catheterization of the left heart. Experience with 500 infants and children. Circulation, 29: 787, 1964.
16.
Aguilar S., Kaulbach MG, Hugenholtz PG: Retrograde arterial catheterization on the left ventricle in 388 patients . N. Engl. J. Med, 274: 312, 1966.
17.
Folger GM, Jr., Khaja F., Anbe DT, et al.: Assessment of congenital aortic stenosis by orifice-view aortography . Pediat. Res., 13: 343, 1979.
18.
Folger Gm , Jr., Sabbah HN, Stein PD: Evaluation of the anatomy of congenitally malformed aortic valves by orifice view aortography. (in press).
19.
El-Said G., Galioto FM, Mullins CE, et al.: Natural hemodynamic history of congenital aortic stenosis in childhood. Am. J. Cardiol., 30: 6, 1972.
20.
Cohen LS, Friedman WF, Braunwald E.: Natural history of mild congenital aortic stenosis elucidated by serial hemodynamic studies. Am. J. Cardiol., 30: 1, 1972.
21.
Hurwitz, R.A. : Valvar aortic stenosis in childhood: Clinical and hemodynamic history. J. Pediatr., 82: 228, 1973.
22.
Mody, M.R., Mody, G.T.: Serial hemodynamic observations in congenital valvular and subvalvular aortic stenosis. Am. Heart J., 89: 137, 1975.
23.
Pomerance, A.: Pathogenesis of aortic stenosis and its relation to age. Br. Heart J., 34: 569, 1972.
24.
Ongley, P.A. , Nadas, A.S., Paul , M.H., et al.: Aortic stenosis in infants and children. Pediatrics, 21: 207, 1958.
25.
Marquis, R.M. , Logan, A.: Congenital aortic stenosis and its surgical treatment. Br. Heart J., 17: 373, 1955.
26.
Glew, R.H., Varghese, P.J., Krovetz, L.J., et al.: Sudden death in congenital aortic stenosis. Am. Heart J., 78: 615, 1969.
27.
Uwaydah, M.M. , Weinberg, A.N.: Bacterial endocarditis—a changing pattern. N. Engl. J. Med., 273: 1231, 1965 .
28.
Robinson, M.J. , Greenberg, J.J., Korn , M., et al.: Infective endocarditis at autopsy: 1965-1969. Am. J. Med., 52: 492, 1972.
29.
Jack, W.D., II, Kelly, D.T.: Long-term follow-up of valvulotomy for congenital aortic stenosis . Am. J. Cardiol., 38: 231, 1976.
30.
Mills, P., Leech, G., Davies, M., et al.: The natural history of a non-stenotic bicuspid aortic valve . Br. Heart J., 40: 951, 1978.
31.
Thomson, N.B. , Fisher, F.C.: Long-term postoperative follow-up in surgery for congenital aortic valvular stenosis. Circulation , 32: 732, 1965.
32.
Popp, R.L., Silverman, J.F., French, J.W., et al.: Echocardiographic findings in discrete subvalvular aortic stenosis . Circulation, 49: 226, 1974.
33.
Krueger, S.K. , French, J.W., Forker , A.D., et al.: Echocardiography in discrete subaortic stenosis. Circulation, 59: 506, 1979.
34.
Berry, T.E. , Aziz, K.U., Paul , M.H.: Echocardiographic assessment of discrete subaortic stenosis in childhood. Am. J. Cardiol., 43: 957, 1979.
35.
Sung, C.S., Price, E.C., Cooley, D.A.: Discrete subaortic stenosis in adults. Am. J. Cardiol. , 42: 283, 1978.
36.
Katz, N.M., Buckley, M.J., Liberthson, R.R.: Discrete membranous subaortic stenosis. Report of 31 patients, review of the literature, and delineation of management. Circulation , 56: 1034, 1977.
37.
Maron, B.J. , Redwood, D.R., Roberts , W.C., et al.: Tunnel subaortic stenosis. Left ventricular outflow tract obstruction produced by fibromuscular tubular narrowingCirculation, 54: 404, 1976.
38.
Teare, D.: Asymmetrical hypertrophy of the heart in young adults. Br. Heart J., 20: 1, 1958.
39.
Folger, G.M. , Jr., Harper, D.T., Mehrizi , A.: Asymmetrical hypertrophy of the heart in childhood. J. Pediatr., 67: 204, 1965.
40.
Moes, C.A.F. , Peckham, G.B., Keith , J.D.: Idiopathic hypertrophy of the interventricular septum causing muscular subaortic stenosis in children . Radiology , 83: 283, 1964.
41.
Maron, B.J. , Edwards, J.E., Henry , W.L., et al.: Asymmetric septal hypertrophy (ASH) in infancy. Circulation, 50: 809, 1974.
42.
Maron, B.J. , Henry, W.L., Clark , C.E., et al.: Asymmetric septal hypertrophy in childhood. Circulation, 53: 9, 1976.
43.
Fiddler GI, Tajik AJ, Weidman WH, et al.: Idiopathic hypertrophic subaortic stenosis in the young. Am. J. Cardiol., 42: 793, 1978.
44.
Braunwald, E., Morrow, A.G., Cornell , W.P., et al.: Idiopathic hypertrophic and subaortic stenosis. Clinical, hemodynamic, and angiographic manifestations. Am. J. Med., 29: 924, 1960.
45.
Clark, C.E. , Henry, W.L., Epstein , S.E.: Familial prevalence and genetic transmission of idiopathic hypertrophic subaortic stenosis. N. Engl. J. Med., 289: 709, 1973.
46.
Henry, W.L. , Clark, C.E., Epstein , S.E.: Asymmetric septal hypertrophy. Echocardiographic identification of the pathognomonic abnormality of IHSS. Circulation, 47: 225, 1973.
47.
Maron, B.J. , Roberts, W.C., Edwards , J.E., et al.: Sudden death in patients with hypertrophic cardiomyopathy: Characterization of 26 patients without functional limitation . Am. J. Cardiol., 41: 803, 1978.
48.
Nghiem, Q.X. , Toledo, J.R., Schreiber, M.H., et al.: Congenital idiopathic hypertrophic subaortic stenosis associated with a phenotypic Turner's syndrome. Am. J. Cardiol., 30: 683, 1972.
49.
Phornphutkul, C., Rosenthal, A., Nadas , A.S.: Cardiomyopathy in Noonan's syndrome. Report of 3 cases. Br. Heart J., 35: 99, 1973.
50.
Hirsch, H.D. , Gelband, H., Garcia , O., et al.: Rapidly progressive obstructive cardiomyopathy in infants with Noonan's syndrome. Report of two cases. Circulation , 52: 1161, 1975.
51.
Somerville, J., Bonham-Carter, R.E.: The heart in lentiginosis. Br. Heart J., 34: 58, 1972.
Ten Cate, F.J. , Hughenholtz, P.G., Roelandt , J.: Ultrasound study of dynamic behaviour of left ventricle in genetic asymmetric septal hypertrophy . Br. Heart J., 39: 627, 1977.
59.
Wigle, E.D. , Auger, P., Marquis , Y.: Muscular subaortic stenosis. The direct relation between the intraventricular pressure difference and the left ventricular ejection time. Circulation, 36: 36, 1967.
60.
Estes, E.H. , Whalen, R.E., Roberts , S.R., et al.: The electrocardiographic and vectorcardiographic findings in idiopathic hypertrophic subaortic stenosis . Am. Heart J., 65: 155, 1963.
61.
Savage, D.D. , Seides, S.F., Clark , C.E., et al.: Electrocardiographic fmdings in patients with obstructive and nonobstructive hypertrophic cardiomyopathy . Circulation, 58: 402, 1978.
62.
Chahine, R.A. , Raizner, A.E., Ishimori , T., et al.: Echocardiographic, haemodynamic, and angiographic correlations in hypertrophic cardiomyopathy . Br. Heart J., 39: 945, 1977.
63.
Schapira, J.N. , Stemple, D.R., Martin , R.P., et al.: Single and two-dimensional echocardiographic visualization of the effects of septal myectomy in idiopathic hypertrophic subaortic stenosis. Circulation , 58: 850, 1978.
64.
Shah, P.M., Gramiak, R., Adelman, A.G., et al.: Echocardiographic assessment of the effects of surgery and propranolol on the dynamics of outflow obstruction in hypertrophic subaortic stenosis. Circulation, 45: 516, 1972.
65.
Stein, P.D. , Sabbah, H.N., Anbe , D., et al.: Intracardiac phonocardiography in subaortic stenosis. Henry FordHospital Med. J., 26: 35, 1978.
66.
Ferrans, V.J. , Morrow, A.G., Roberts , W.C.: Myocardial ultrastructure in idiopathic hypertrophic subaortic stenosis. A study of operatively excised left ventricular outflow tract muscle in 14 patients. Circulation , 45: 769, 1972.
67.
Wigle, E.D. , Silver, M.D.: Myocardial fiber disarray and ventricular septal hypertrophy in asymmetrical hypertrophy of the heart. Circulation, 58: 398, 1978.
68.
Hutchins, G.M. , Bulkley, B.H.: Catenoid shape of the interventricular septum: Possible cause of idiopathic hypertrophic subaortic stenosis. Circulation, 58: 392, 1978.
69.
Bentall, H.H. : The place of surgery in hypertrophic obstructive cardiomyopathy (idiopathic hypertrophic subaortic stenosis). J. Thorac. Cardiovasc. Surg., 51: 49, 1966.
70.
Morrow, A.G. , Reitz, B.A., Epstein , S.E., et al.: Operative treatment in hypertrophic subaortic stenosis. Techniques, and the results of pre and postoperative assessments in 83 patients. Circulation , 52: 88, 1975.
71.
Morrow, A.G. : Hypertrophic subaortic stenosis. Operative methods utilized to relieve left ventricular outflow obstruction. J. Thorac. Cardiovasc. Surg., 76: 423, 1978.
Jue, K.L., Noren, G.R., Anderson, R.C.: The syndrome of idiopathic hypercalcemia of infancy with associated congenital heart disease. J. Pediatr.67: 1130, 1965 .
74.
Jones, K.L., Smith, D.W.: The Williams elfin facies syndrome. J. Pediatr., 86: 718, 1975.
75.
Garcia, R.E. , Friedman, W.F., Kaback, M.M., et al.: Idiopathic hypercalcemia and supravalvular aortic stenosis . N. Engl. J. Med., 271: 117, 1964 .
76.
Friedman, W.F. , Roberts, W.C.: Vitamin D and the supravalvular aortic stenosis syndrome. The transplacental effects of Vitamin D on the aorta of the rabbit. Circulation, 34: 77, 1966.
77.
Friedman, W.F. , Mills, L.F.: The relationship between vitamin D and the craniofacial and dental anomalies of the supravalvular aortic stenosis syndrome. Pediatrics, 43: 12, 1969.
78.
Folger GM, Jr.: Further observations on the syndrome of idiopathic infantile hypercalcemia associated with supravalvular aortic stenosis. Am. Heart J. , 93: 455, 1977.
79.
McCue, C.M. , Spicuzza, T.J., Robertson , L.W., et al.: Familial supravalvular aortic stenosis . J. Pediatr., 73: 889, 1968.
80.
Underhill, W.L., Tredway, J.B., D'Angelo , G.J., et al.: Familial supravalvular aortic stenosis. Comments on the mechanisms of angina pectoris . Am. J. Cardiol. , 27: 560, 1971.