{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T07:30:29Z","timestamp":1787729429200,"version":"build-2784847793"},"reference-count":13,"publisher":"BMJ","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Heart"],"published-print":{"date-parts":[[1969,11,1]]},"DOI":"10.1136\/hrt.31.6.753","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T21:46:00Z","timestamp":1190151960000},"page":"753-761","source":"Crossref","is-referenced-by-count":25,"title":["Analysis of influence of catecholamine and tachycardia during supine exercise in patients with mitral stenosis and sinus rhythm."],"prefix":"10.1136","volume":"31","author":[{"given":"F K","family":"Nakhjavan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M R","family":"Katz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V","family":"Maranhao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H","family":"Goldberg","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","reference":[{"key":"ref_1","first-page":"44","article-title":"An analysis of the cardiac response to exercise","volume":"20","author":"Braunwald, E.; Sonnenblick, E.H.; Ross, J.; Glick, G.; Epstein, S.E.","year":"1967","unstructured":"Braunwald, E., Sonnenblick, E. H., Ross, J., Glick, G., and Epstein, S. E. (1967). An analysis of the cardiac response to exercise. Circulat. Res., 20, Suppl. I, p. 44.","journal-title":"Circulat. Res"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1161\/01.CIR.25.1.15","article-title":"Transseptal left heart catheterization-a review of 450 studies and description of an improved technic","volume":"25","author":"Brockenbrough, E.C.; Braunwald, E.; Ross, Jr, J.","year":"1962","unstructured":"Brockenbrough, E. C., Braunwald, E., and Ross, J., Jr. (1962). Transseptal left heart catheterization-a review of 450 studies and description of an improved technic. Circulation, 25, 15.","journal-title":"Circulation"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"213","DOI":"10.1136\/hrt.26.2.213","article-title":"The haemodynamic effects of f-sympathetic blockade","volume":"26","author":"Chamberlain, D.A.; Howard, J.","year":"1964","unstructured":"Chamberlain, D. A., and Howard, J. (1964). The haemodynamic effects of f-sympathetic blockade. Brit. Heart_J., 26, 213.","journal-title":"Brit. Heart_J"},{"key":"ref_4","first-page":"527","article-title":"Hemodynamic response to exercise after beta-adrenergic blockade with propranolol in patients with mitral valve obstruction","volume":"95","author":"Cumming, G.R.; Carr, W.","year":"1966","unstructured":"Cumming, G. R., and Carr, W. (1966). Hemodynamic response to exercise after beta-adrenergic blockade with propranolol in patients with mitral valve obstruction. Canad. med. Ass. J7., 95, 527.","journal-title":"Canad. med. Ass. J7"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"1745","DOI":"10.1172\/JCI105282","article-title":"Effects of beta-adrenergic blockade on the cardiac response to maximal and submaximal exercise in man","volume":"44","author":"Epstein, S.E.; Robinson, B.F.; Kahler, R.L.; Braunwald, E.","year":"1965","unstructured":"Epstein, S. E., Robinson, B. F., Kahler, R. L., and Braunwald, E. (1965). Effects of beta-adrenergic blockade on the cardiac response to maximal and submaximal exercise in man. J. clin. Invest., 44, 1745.","journal-title":"J. clin. Invest"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"363","DOI":"10.1161\/01.RES.16.4.363","article-title":"Relative roles of the sympathetic and parasympathetic nervous systems in the reflex control of heart rate","volume":"16","author":"Glick, G.; Braunwald, E.","year":"1965","unstructured":"Glick, G., and Braunwald, E. (1965). Relative roles of the sympathetic and parasympathetic nervous systems in the reflex control of heart rate. Circulat. Res., 16, 363.","journal-title":"Circulat. Res"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0002-8703(51)90002-6","article-title":"Hydraulic formula for calculation of the area of the stenotic mitral valve, other cardiac valves, and central circulatory shunts","volume":"41","author":"Gorlin, R.; Gorlin, S.G.","year":"1951","unstructured":"Gorlin, R., and Gorlin, S. G. (1951). Hydraulic formula for calculation of the area of the stenotic mitral valve, other cardiac valves, and central circulatory shunts. Amer. Heart_J., 41, 1.","journal-title":"Amer. Heart_J"},{"key":"ref_8","first-page":"417","article-title":"The effect of pronethalol in mitral stenosis","volume":"28","author":"Howitt, G.; Tinker, J.; Wade, E.G.","year":"1965","unstructured":"Howitt, G., Tinker, J., and Wade, E. G. (1965). The effect of pronethalol in mitral stenosis. Clin. Sci., 28, 417.","journal-title":"Clin. Sci"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"659","DOI":"10.1016\/0002-9149(69)90026-5","article-title":"Hemodynamic effects of exercise, catecholamine stimulation and tachycardia in mitral stenosis and sinus rhythm at comparable heart rates","volume":"23","author":"Nakhjavan, F.K.; Katz, M.R.; Schedrovilzky, H.; Maranhao, V.; Goldberg, H.","year":"1969","unstructured":"Nakhjavan, F. K., Katz, M. R., Schedrovilzky, H., Maranhao, V., and Goldberg, H. (1969). Hemodynamic effects of exercise, catecholamine stimulation and tachycardia in mitral stenosis and sinus rhythm at comparable heart rates. Amer. J. Cardiol., 23, 659.","journal-title":"Amer. J. Cardiol"},{"key":"ref_10","article-title":"Statistical Methods","author":"Snedecor, G.W.","year":"1956","unstructured":"Snedecor, G. W. (1956). Statistical Methods, 5th ed. Iowa State College Press, Ames, Iowa.","edition":"5th ed"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"2051","DOI":"10.1172\/JCI105312","article-title":"Effects of exercise on myocardial force-velocity relations in intact unanesthetized man: relative roles of changes in heart rate, sympathetic activity, and ventricular dimensions. j. clin","volume":"44","author":"Sonnenblick, E.H.; Braunwald, E.; Williams, Jr., J.F.; Glick, G.","year":"1965","unstructured":"Sonnenblick, E. H., Braunwald, E., Williams, J. F., Jr., and Glick, G. (1965). Effects of exercise on myocardial force-velocity relations in intact unanesthetized man: relative roles of changes in heart rate, sympathetic activity, and ventricular dimensions. j. clin. Invest., 44, 2051.","journal-title":"Invest"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"416","DOI":"10.1016\/S0140-6736(65)90762-2","article-title":"Effect of a beta-adrenergic-blocking agent on the pulmonary circulation in mitral stenosis","volume":"2","author":"Tsolakas, T.C.; Davies, J.P.H.; Oram, S.","year":"1965","unstructured":"Tsolakas, T. C., Davies, J. P. H., and Oram, S. (1965). Effect of a beta-adrenergic-blocking agent on the pulmonary circulation in mitral stenosis. Lancet, 2, 416.","journal-title":"Lancet"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"512","DOI":"10.1161\/01.CIR.27.4.512","article-title":"Hemodynamic effects of isoproterenol infusion in patients with normal and diseased mitral valves","volume":"27","author":"Whalen, R.E.; Cohen, A.I.; Sumner, R.G.; McIntosh, H.D.","year":"1963","unstructured":"Whalen, R. E., Cohen, A. I., Sumner, R. G., and McIntosh, H. D. (1963). Hemodynamic effects of isoproterenol infusion in patients with normal and diseased mitral valves. Circulation, 27, 512.","journal-title":"Circulation"}],"container-title":["Heart"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/hrt.31.6.753","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,26]],"date-time":"2020-09-26T00:38:33Z","timestamp":1601080713000},"score":1,"resource":{"primary":{"URL":"https:\/\/heart.bmj.com\/lookup\/doi\/10.1136\/hrt.31.6.753"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1969,11,1]]},"references-count":13,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1969,11,1]]}},"URL":"https:\/\/doi.org\/10.1136\/hrt.31.6.753","relation":{},"ISSN":["1355-6037"],"issn-type":[{"value":"1355-6037","type":"print"}],"subject":[],"published":{"date-parts":[[1969,11,1]]}}}