{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,4,28]],"date-time":"2023-04-28T05:41:42Z","timestamp":1682660502559},"reference-count":28,"publisher":"American Physiological Society","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Physiology"],"published-print":{"date-parts":[[1997,10,1]]},"abstract":"<jats:p>Colin, Patrice, Michel Slama, Alec Vahanian, Yves Lecarpentier, Gilbert Mott\u00e9, and Denis Chemla. Hemodynamic correlates of effective arterial elastance in mitral stenosis before and after balloon valvotomy. J. Appl. Physiol. 83(4): 1083\u20131089, 1997.\u2014This study had the purpose of documenting the hemodynamic correlates of effective arterial elastance (Ea; i.e., an accurate estimate of hydraulic load) in mitral stenosis (MS) patients. The main hypothesis tested was that Ea relates to the total vascular resistance (R)-to-pulse interval duration ( T) ratio (R\/ T) in MS patients both before and after successful balloon mitral valvotomy (BMV). High-fidelity aortic pressure recordings were obtained in 10 patients (40 \u00b1 12 yr) before and 15 min after BMV. Ea value was calculated as the ratio of the steady-state end-systolic aortic pressure (ESAP) to stroke volume (thermodilution). Ea increased after BMV (from 1.55 \u00b1 0.63 to 1.83 \u00b1 0.71 mmHg\/ml; P &lt; 0.05). Throughout the procedure, there was a strong linear relationship between Ea and R\/ T: Ea = 1.09R\/ T \u2212 0.01 mmHg\/ml, r = 0.99, P = 0.0001. This ultimately depended on the powerful link between ESAP and mean aortic pressure [MAP; r = 0.99, 95% confidence interval for the difference (MAP \u2212 ESAP) from \u221218.5 to +4.5 mmHg]. Ea was also related to total arterial compliance (area method) and to wave reflections (augmentation index), although to a lesser extent. After BMV, enhanced and anticipated wave reflections were observed, and this was likely to be explained by decreased arterial compliance. The present study indicated that Ea depended mainly on the steady component of hydraulic load (i.e., R) and on heart period (i.e., T) in MS patients.<\/jats:p>","DOI":"10.1152\/jappl.1997.83.4.1083","type":"journal-article","created":{"date-parts":[[2017,12,22]],"date-time":"2017-12-22T18:35:16Z","timestamp":1513967716000},"page":"1083-1089","source":"Crossref","is-referenced-by-count":5,"title":["Hemodynamic correlates of effective arterial elastance in mitral stenosis before and after balloon valvotomy"],"prefix":"10.1152","volume":"83","author":[{"given":"Patrice","family":"Colin","sequence":"first","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michel","family":"Slama","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alec","family":"Vahanian","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yves","family":"Lecarpentier","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gilbert","family":"Mott\u00e9","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Denis","family":"Chemla","sequence":"additional","affiliation":[{"name":"Service de Cardiologie, H\u00f4pital Antoine-B\u00e9cl\u00e8re, 92141 Clamart; Inserm U451-Loa-Ensta-Ecole Polytechnique, 91125 Palaiseau; Service de Cardiologie, H\u00f4pital Tenon, 75970 Paris; and Service de Physiologie Cardio-Respiratoire, H\u00f4pital de Bic\u00eatre, 94275 Le Kremlin-Bic\u00eatre, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"24","reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1161\/01.RES.65.2.483"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(86)90837-8"},{"issue":"40","key":"B3","first-page":"H1287","volume":"271","author":"Chemla D.","year":"1996","journal-title":"Am. 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