{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T14:57:52Z","timestamp":1790175472620,"version":"4.1.0"},"reference-count":46,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2012,5,1]],"date-time":"2012-05-01T00:00:00Z","timestamp":1335830400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2012,5,1]],"date-time":"2012-05-01T00:00:00Z","timestamp":1335830400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","onlinejase.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of the American Society of Echocardiography"],"published-print":{"date-parts":[[2012,5]]},"DOI":"10.1016\/j.echo.2012.01.009","type":"journal-article","created":{"date-parts":[[2012,2,18]],"date-time":"2012-02-18T11:00:55Z","timestamp":1329562855000},"page":"473-485","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":26,"title":["Persistent Reduction in Left Ventricular Strain Using Two-Dimensional Speckle-Tracking Echocardiography after Balloon Valvuloplasty in Children with Congenital Valvular Aortic Stenosis"],"prefix":"10.1016","volume":"25","author":[{"given":"Karen A.","family":"Marcus","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chris L.","family":"de Korte","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ton","family":"Feuth","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Johan M.","family":"Thijssen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anton M.","family":"van Oort","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald B.","family":"Tanke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Livia","family":"Kapusta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.echo.2012.01.009_bib1","doi-asserted-by":"crossref","first-page":"998","DOI":"10.1253\/circj.67.998","article-title":"Evaluation by contrast-enhanced electron beam computed tomography of myocardial perfusion and tissue characteristics in congenital aortic stenosis","volume":"67","author":"Sugiyama","year":"2003","journal-title":"Circ J"},{"key":"10.1016\/j.echo.2012.01.009_bib2","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1016\/j.amjcard.2008.07.001","article-title":"Left ventricular systolic and diastolic function in asymptomatic patients with moderate aortic stenosis","volume":"102","author":"Steine","year":"2008","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib3","unstructured":"Marcus KA, de Korte CL, Feuth T, Thijssen JM, Kapusta L. Abnormal two-dimensional strain echocardiography findings in children with congenital valvar aortic stenosis. Ultraschall Med. In press."},{"key":"10.1016\/j.echo.2012.01.009_bib4","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1016\/j.ijcard.2008.06.091","article-title":"Echocardiographic strain and strain rate imaging\u2014clinical applications","volume":"132","author":"Dandel","year":"2009","journal-title":"Int J Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib5","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1016\/j.amjcard.2008.03.064","article-title":"Relation between left ventricular regional radial function and radial wall motion abnormalities using two-dimensional speckle tracking in children with idiopathic dilated cardiomyopathy","volume":"102","author":"Friedberg","year":"2008","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib6","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1016\/j.jacc.2005.10.040","article-title":"Noninvasive myocardial strain measurement by speckle tracking echocardiography: validation against sonomicrometry and tagged magnetic resonance imaging","volume":"47","author":"Amundsen","year":"2006","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib7","doi-asserted-by":"crossref","first-page":"1021","DOI":"10.1016\/j.echo.2004.06.019","article-title":"Two-dimensional strain-a novel software for real-time quantitative echocardiographic assessment of myocardial function","volume":"17","author":"Leitman","year":"2004","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib8","doi-asserted-by":"crossref","first-page":"414","DOI":"10.1093\/ejechocard\/jen299","article-title":"Impact of impaired myocardial deformations on exercise tolerance and prognosis in patients with asymptomatic aortic stenosis","volume":"10","author":"Lafitte","year":"2009","journal-title":"Eur J Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib9","doi-asserted-by":"crossref","first-page":"106","DOI":"10.1136\/hrt.2009.172569","article-title":"Myocardial deformation in aortic valve stenosis: relation to left ventricular geometry","volume":"96","author":"Cramariuc","year":"2010","journal-title":"Heart"},{"key":"10.1016\/j.echo.2012.01.009_bib10","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1016\/j.ahj.2009.07.008","article-title":"Differential effects of afterload on left ventricular long- and short-axis function: insights from a clinical model of patients with aortic valve stenosis undergoing aortic valve replacement","volume":"158","author":"Carasso","year":"2009","journal-title":"Am Heart J"},{"key":"10.1016\/j.echo.2012.01.009_bib11","doi-asserted-by":"crossref","first-page":"577","DOI":"10.1161\/CIRCULATIONAHA.108.847772","article-title":"Impact of myocardial fibrosis in patients with symptomatic severe aortic stenosis","volume":"120","author":"Weidemann","year":"2009","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib12","doi-asserted-by":"crossref","first-page":"1493","DOI":"10.1016\/j.amjcard.2008.01.026","article-title":"Functional differences of left ventricular hypertrophy induced by either arterial hypertension or aortic valve stenosis","volume":"101","author":"Strotmann","year":"2008","journal-title":"Am J Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib13","doi-asserted-by":"crossref","first-page":"1473","DOI":"10.1161\/01.CIR.0000134961.36773.D6","article-title":"Acute improvement in global and regional left ventricular systolic function after percutaneous heart valve implantation in patients with symptomatic aortic stenosis","volume":"110","author":"Bauer","year":"2004","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib14","first-page":"e84","article-title":"ACC\/AHA 2006 Guidelines for the management of patients with valvular heart disease","volume":"144","author":"Bonow","year":"2006","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib15","first-page":"513","article-title":"Effect of general anesthesia on measurement of pressure gradient across stenotic valves","volume":"20","author":"Mori","year":"2004","journal-title":"Pediatr Cardiol Card Surg"},{"key":"10.1016\/j.echo.2012.01.009_bib16","doi-asserted-by":"crossref","first-page":"777","DOI":"10.1016\/S0894-7317(03)00335-3","article-title":"Recommendations for evaluation of the severity of native valvular regurgitation with two-dimensional and Doppler echocardiography","volume":"16","author":"Zoghbi","year":"2003","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib17","doi-asserted-by":"crossref","first-page":"335","DOI":"10.1007\/s11936-999-0028-2","article-title":"Congenital valvar aortic stenosis","volume":"1","author":"Hsu","year":"1999","journal-title":"Curr Treat Options Cardiovasc Med"},{"key":"10.1016\/j.echo.2012.01.009_bib18","doi-asserted-by":"crossref","first-page":"1440","DOI":"10.1016\/j.echo.2005.10.005","volume":"18","author":"Lang","year":"2005","journal-title":"J\u00a0Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib19","doi-asserted-by":"crossref","first-page":"697","DOI":"10.1016\/j.ultrasmedbio.2008.09.026","article-title":"Interobserver, intraobserver and intrapatient reliability scores of myocardial strain imaging with two-dimensional echocardiography in patients treated with anthracyclines","volume":"35","author":"Mavinkurve-Groothuis","year":"2009","journal-title":"Ultrasound Med Biol"},{"key":"10.1016\/j.echo.2012.01.009_bib20","first-page":"357","article-title":"New index of combined systolic and diastolic myocardial performance: a simple and reproducible measure of cardiac function\u2014a study in normals and dilated cardiomyopathy","volume":"26","author":"Tei","year":"1995","journal-title":"J Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib21","doi-asserted-by":"crossref","first-page":"715","DOI":"10.1016\/S0735-1097(84)80397-6","article-title":"Left ventricular end-systolic wall stress-velocity of fiber shortening relation: a load-independent index of myocardial contractility","volume":"4","author":"Colan","year":"1984","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib22","doi-asserted-by":"crossref","first-page":"613","DOI":"10.1161\/01.CIR.55.4.613","article-title":"Echocardiographic determination of left ventricular mass in man. Anatomic validation of the method","volume":"55","author":"Devereux","year":"1977","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib23","doi-asserted-by":"crossref","first-page":"2769","DOI":"10.1161\/CIRCULATIONAHA.107.741157","article-title":"A novel method of expressing left ventricular mass relative to body size in children","volume":"117","author":"Foster","year":"2008","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib24","doi-asserted-by":"crossref","first-page":"709","DOI":"10.1016\/j.echo.2009.03.003","article-title":"Age-specific reference intervals for indexed left ventricular mass in children","volume":"22","author":"Khoury","year":"2009","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib25","first-page":"539","article-title":"Standardized myocardial segmentation and nomenclature for tomographic imaging of the heart. A statement for healthcare professionals from the Cardiac Imaging Committee of the Council on Clinical Cardiology of the American Heart Association","volume":"18","author":"Cerqueira","year":"2002","journal-title":"Int J Cardiovasc Imaging"},{"key":"10.1016\/j.echo.2012.01.009_bib26","doi-asserted-by":"crossref","first-page":"625","DOI":"10.1016\/j.echo.2011.01.021","article-title":"Reference values for myocardial two dimensional strain echocardiography in a healthy pediatric and young adult cohort","volume":"24","author":"Marcus","year":"2011","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib27","doi-asserted-by":"crossref","first-page":"661","DOI":"10.1007\/s00246-006-1415-z","article-title":"Aortic stenosis: the spectrum of practice","volume":"27","author":"Khalid","year":"2006","journal-title":"Pediatr Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib28","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1016\/S0735-1097(98)00187-9","article-title":"A population-based prospective evaluation of risk of sudden cardiac death after operation for common congenital heart defects","volume":"32","author":"Silka","year":"1998","journal-title":"J Am Coll Cardiol"},{"key":"10.1016\/j.echo.2012.01.009_bib29","doi-asserted-by":"crossref","first-page":"1224","DOI":"10.1016\/j.ultrasmedbio.2007.02.008","article-title":"Assessment of severity in aortic stenosis-incremental value of endocardial function parameters compared with standard indexes","volume":"33","author":"Vitarelli","year":"2007","journal-title":"Ultrasound Med Biol"},{"key":"10.1016\/j.echo.2012.01.009_bib30","doi-asserted-by":"crossref","first-page":"1085","DOI":"10.1016\/S0301-5629(03)00058-9","article-title":"One-dimensional ultrasonic strain and strain rate imaging: a new approach to the quantitation of regional myocardial function in patients with aortic stenosis","volume":"29","author":"Kowalski","year":"2003","journal-title":"Ultrasound Med Biol"},{"key":"10.1016\/j.echo.2012.01.009_bib31","doi-asserted-by":"crossref","first-page":"696","DOI":"10.1016\/j.ahj.2004.03.049","article-title":"Tissue Doppler Imaging in patients with moderate to severe aortic stenosis: clinical usefulness and diagnostic accuracy","volume":"148","author":"Bruch","year":"2004","journal-title":"Am Heart J"},{"key":"10.1016\/j.echo.2012.01.009_bib32","doi-asserted-by":"crossref","first-page":"976","DOI":"10.1016\/j.echo.2011.05.003","article-title":"Deterioration of myocardial function in paradoxical low-flow severe aortic stenosis: two-dimensional strain analysis","volume":"24","author":"Lee","year":"2011","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib33","doi-asserted-by":"crossref","first-page":"1440","DOI":"10.1136\/hrt.2007.121442","article-title":"Preoperative tissue Doppler imaging differentiates beneficial from detrimental left ventricular hypertrophy in patients with surgical aortic stenosis. A postoperative morbidity study","volume":"94","author":"Bauer","year":"2008","journal-title":"Heart"},{"key":"10.1016\/j.echo.2012.01.009_bib34","doi-asserted-by":"crossref","first-page":"1238","DOI":"10.1016\/j.echo.2006.04.041","article-title":"Acute improvement in myocardial strain and strain rate after aortic valve replacement for aortic stenosis","volume":"19","author":"Iwahashi","year":"2006","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib35","doi-asserted-by":"crossref","first-page":"1364","DOI":"10.1136\/hrt.2009.190942","article-title":"Risk stratification in asymptomatic moderate to severe aortic stenosis: the importance of the valvular, arterial and ventricular interplay","volume":"96","author":"Lancellotti","year":"2010","journal-title":"Heart"},{"key":"10.1016\/j.echo.2012.01.009_bib36","doi-asserted-by":"crossref","first-page":"681","DOI":"10.1016\/j.echo.2006.11.003","article-title":"Impact of left ventricular loading conditions on myocardial deformation parameters: analysis of early and late changes of myocardial deformation parameters after aortic valve replacement","volume":"20","author":"Becker","year":"2007","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib37","doi-asserted-by":"crossref","first-page":"1602","DOI":"10.1161\/01.CIR.0000012943.91101.D7","article-title":"Tissue Doppler imaging differentiates physiological from pathological pressure-overload left ventricular hypertrophy in rats","volume":"105","author":"Derumeaux","year":"2002","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib38","doi-asserted-by":"crossref","first-page":"744","DOI":"10.1161\/01.CIR.79.4.744","article-title":"Left ventricular myocardial structure in aortic valve disease before, intermediate, and late after aortic valve replacement","volume":"79","author":"Krayenbuehl","year":"1989","journal-title":"Circulation"},{"key":"10.1016\/j.echo.2012.01.009_bib39","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1016\/S0301-5629(02)00791-3","article-title":"Left ventricular myocardial function in congenital valvar aortic stenosis assessed by ultrasound tissue-velocity and strain-rate techniques","volume":"29","author":"Kiraly","year":"2003","journal-title":"Ultrasound Med Biol"},{"key":"10.1016\/j.echo.2012.01.009_bib40","series-title":"Heart disease in infants, children and adolescents","year":"1995"},{"key":"10.1016\/j.echo.2012.01.009_bib41","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1016\/0002-8703(85)90519-8","article-title":"Estimation of regional stress in the left ventricular septum and free wall: an echocardiographic study suggesting a mechanism for asymmetric septal hypertrophy","volume":"110","author":"Heng","year":"1985","journal-title":"Am Heart J"},{"key":"10.1016\/j.echo.2012.01.009_bib42","doi-asserted-by":"crossref","first-page":"914","DOI":"10.1093\/ejechocard\/jep095","article-title":"Influence of afterload on left ventricular radial and longitudinal systolic functions: a two-dimensional strain imaging study","volume":"10","author":"Donal","year":"2009","journal-title":"Eur J Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib43","doi-asserted-by":"crossref","first-page":"214","DOI":"10.1067\/mje.2003.10","article-title":"Left ventricular remodelling, mechanics, and tissue characterization in congenital aortic stenosis","volume":"16","author":"Pacileo","year":"2003","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib44","doi-asserted-by":"crossref","first-page":"192","DOI":"10.1016\/j.echo.2010.10.020","article-title":"Left ventricular hypertrophy causes different changes in longitudinal, radial, circumferential mechanics in patients with hypertension: a two-dimensional tracking study","volume":"24","author":"Kouzo","year":"2011","journal-title":"J Am Soc Echocardiogr"},{"key":"10.1016\/j.echo.2012.01.009_bib45","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1136\/hrt.2003.029702","article-title":"Relation between plasma amino-terminal propeptide of procollagen type III and left ventricular longitudinal strain in essential hypertension","volume":"91","author":"Poulsen","year":"2005","journal-title":"Heart"},{"key":"10.1016\/j.echo.2012.01.009_bib46","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/j.echo.2011.01.015","article-title":"Current and evolving echocardiographic techniques for the quantitative evaluation of cardiac mechanics: ASE\/EAE consensus statement on methodology and indications","volume":"24","author":"Mor-Avi","year":"2011","journal-title":"J Am Soc Echocardiogr"}],"container-title":["Journal of the American Society of Echocardiography"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0894731712000843?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0894731712000843?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:48:51Z","timestamp":1760244531000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0894731712000843"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,5]]},"references-count":46,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2012,5]]}},"alternative-id":["S0894731712000843"],"URL":"https:\/\/doi.org\/10.1016\/j.echo.2012.01.009","relation":{},"ISSN":["0894-7317"],"issn-type":[{"value":"0894-7317","type":"print"}],"subject":[],"published":{"date-parts":[[2012,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Persistent Reduction in Left Ventricular Strain Using Two-Dimensional Speckle-Tracking Echocardiography after Balloon Valvuloplasty in Children with Congenital Valvular Aortic Stenosis","name":"articletitle","label":"Article Title"},{"value":"Journal of the American Society of Echocardiography","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.echo.2012.01.009","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2012 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}