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Robert Levine

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Jonathan Beaudoin; Mark D Handschumacher; Judy Hung; Robert A Levine; Eleanor L Morris; Xin Zeng; Ehud Schwammenthal
Mitral valve enlargement in chronic aortic regurgitation as a compensatory mechanism to prevent functional mitral regurgitation in the dilated left ventricle.
Morten O Jensen; Robert A Levine; Yutaka Otsuji; Albert A Hagège
The unsaddled annulus: biomechanical culprit in mitral valve prolapse?
Catherine Szymanski; Bernard Touchot; Alain Bel; Alain Carpentier; Iris Cohen; Michel Desnos; Albert A Hagège; Mark D Handschumacher; Robert A Levine; Philippe Menasché; Emmanuel Messas
Comprehensive annular and subvalvular repair of chronic ischemic mitral regurgitation improves long-term results with the least ventricular remodeling.

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2013: Jonathan Beaudoin; Mark D Handschumacher; Judy Hung; Robert A Levine; Eleanor L Morris; Xin Zeng; Ehud Schwammenthal
Mitral valve enlargement in chronic aortic regurgitation as a compensatory mechanism to prevent functional mitral regurgitation in the dilated left ventricle.
Journal of the American College of Cardiology 2013;61(17):1809-16.
2013: Morten O Jensen; Robert A Levine; Yutaka Otsuji; Albert A Hagège
The unsaddled annulus: biomechanical culprit in mitral valve prolapse?
Circulation 2013;127(7):766-8.
2012: Catherine Szymanski; Bernard Touchot; Alain Bel; Alain Carpentier; Iris Cohen; Michel Desnos; Albert A Hagège; Mark D Handschumacher; Robert A Levine; Philippe Menasché; Emmanuel Messas
Comprehensive annular and subvalvular repair of chronic ischemic mitral regurgitation improves long-term results with the least ventricular remodeling.
Circulation 2012;126(23):2720-7.
2012: Jianwen Wendy Gu; Barbara S Herrmann; Robert A Levine; Jennifer R Melcher
Brainstem auditory evoked potentials suggest a role for the ventral cochlear nucleus in tinnitus.
Journal of the Association for Research in Otolaryngology : JARO 2012;13(6):819-33.
2012: Judy Hung; J Luis Guerrero; Mark D Handschumacher; Jorge Solis; Robert A Levine
Persistence of mitral regurgitation following ring annuloplasty: is the papillary muscle outside or inside the ring?
The Journal of heart valve disease 2012;21(2):218-24.
2011: Catherine Szymanski; Ahmed Tawakol; Christophe Tribouilloy; Hui Zheng; Mark D Handschumacher; Robert A Levine; Judy Hung
Impact of mitral regurgitation on exercise capacity and clinical outcomes in patients with ischemic left ventricular dysfunction.
The American journal of cardiology 2011;108(12):1714-20.
2011: Yahav Oron; Yehudah Roth; Robert A Levine
Sudden brief unilateral tapering tinnitus: prevalence and properties.
Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology 2011;32(9):1409-14.
2011: Xin Zeng; Mary Flaherty; Lanqi Hua; Yuejian Kang; Robert A Levine; Nina V Morgan; Eleanor L Morris; Judy Hung
Diagnostic value of vena contracta area in the quantification of mitral regurgitation severity by color Doppler 3D echocardiography.
Circulation. Cardiovascular imaging 2011;4(5):506-13.
2011: Jill Wylie-Sears; Elena Aikawa; Robert A Levine; Jeong-Hee Yang; Joyce Bischoff
Mitral valve endothelial cells with osteogenic differentiation potential.
Arteriosclerosis, thrombosis, and vascular biology 2011;31(3):598-607.
2010: Jianwen Wendy Gu; Christopher F Halpin; Eui-Cheol Nam; Robert A Levine; Jennifer R Melcher
Tinnitus, diminished sound-level tolerance, and elevated auditory activity in humans with clinically normal hearing sensitivity.
Journal of neurophysiology 2010;104(6):3361-70.
2009: Jorge Solis; David McCarty; Robert A Levine; Mark D Handschumacher; Leticia Fernandez-Friera; Annabel Chen-Tournoux; Luis Mont; Barbara Vidal; Jagmeet P Singh; Josep Brugada; Michael H Picard; Marta Sitges; Judy Hung
Mechanism of decrease in mitral regurgitation after cardiac resynchronization therapy: optimization of the force-balance relationship.
Circulation. Cardiovascular imaging 2009;2(6):444-50.
2009: Jennifer R Melcher; Robert A Levine; Christopher Bergevin; Barbara Norris
The auditory midbrain of people with tinnitus: abnormal sound-evoked activity revisited.
Hearing research 2009;257(1-2):63-74.
2009: Chaim Yosefy; Judy Hung; Sarah Chua; Mordehay Vaturi; Thanh-Thao Ton-Nu; Mark D Handschumacher; Robert A Levine
Direct measurement of vena contracta area by real-time 3-dimensional echocardiography for assessing severity of mitral regurgitation.
The American journal of cardiology 2009;104(7):978-83.
2009: Jacob P Dal-Bianco; Elena Aikawa; Joyce Bischoff; J Luis Guerrero; Mark D Handschumacher; Suzanne Sullivan; Benjamin Johnson; James S Titus; Yoshiko Iwamoto; Jill Wylie-Sears; Robert A Levine; Alain Carpentier
Active adaptation of the tethered mitral valve: insights into a compensatory mechanism for functional mitral regurgitation.
Circulation 2009;120(4):334-42.
2009: Sarah Chua; Robert A Levine; Chaim Yosefy; Mark D Handschumacher; John Chu; Anwer Qureshi; Jennifer Neary; Thanh-Thao Ton-Nu; Morgan Fu; Chiung-Jen Wu; Judy Hung
Assessment of right ventricular function by real-time three-dimensional echocardiography improves accuracy and decreases interobserver variability compared with conventional two-dimensional views.
European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 2009;10(5):619-24.
2008: Judy Hung; Jorge Solis; J Luis Guerrero; Gavin Braithwaite; Orhun K Muratoglu; Miguel Chaput; Leticia Fernandez-Friera; Mark D Handschumacher; Van J Wedeen; Stuart Houser; Gus J Vlahakes; Robert A Levine
A novel approach for reducing ischemic mitral regurgitation by injection of a polymer to reverse remodel and reposition displaced papillary muscles.
Circulation 2008;118(14 Suppl):S263-9.
2008: John W Chu; Robert A Levine; Sarah Chua; Kian-Keong Poh; Eleanor Morris; Lanqi Hua; Thanh-Thao Ton-Nu; Judy Hung
Assessing mitral valve area and orifice geometry in calcific mitral stenosis: a new solution by real-time three-dimensional echocardiography.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2008;21(9):1006-9.
2008: Thomas Buck; Shawn M Hwang; Björn Plicht; Ronald A Mucci; Peter Hunold; Raimund Erbel; Robert A Levine
Automated flow quantification in valvular heart disease based on backscattered Doppler power analysis: implementation on matrix-array ultrasound imaging systems.
The international journal of cardiovascular imaging 2008;24(5):463-77.
2008: Tomas G Neilan; Thanh-Thao Ton-Nu; Yoshiaki Kawase; Ryuichi Yoneyama; Kozo Hoshino; Federica del Monte; Roger J Hajjar; Michael H Picard; Robert A Levine; Judy Hung
Progressive nature of chronic mitral regurgitation and the role of tissue Doppler-derived indexes.
American journal of physiology. Heart and circulatory physiology 2008;294(5):H2106-11.
2008: Ronen Beeri; Chaim Yosefy; J Luis Guerrero; Francesca Nesta; Suzan Abedat; Miguel Chaput; Federica del Monte; Mark D Handschumacher; Robert Stroud; Suzanne Sullivan; Thea Pugatsch; Dan GILON; Gus J Vlahakes; Francis G Spinale; Roger J Hajjar; Robert A Levine
Mitral regurgitation augments post-myocardial infarction remodeling failure of hypertrophic compensation.
Journal of the American College of Cardiology 2008;51(4):476-86.
2007: Francesca N Delling; Danita Y Sanborn; Robert A Levine; Michael H Picard; Michael A Fifer; Igor F Palacios; Patricia A Lowry; Gus J Vlahakes; Mordehay Vaturi; Judy Hung
Frequency and mechanism of persistent systolic anterior motion and mitral regurgitation after septal ablation in obstructive hypertrophic cardiomyopathy.
The American journal of cardiology 2007;100(11):1691-5.
2007: Chaim Yosefy; Robert A Levine; Michael H Picard; Mordehay Vaturi; Mark D Handschumacher; Eric M Isselbacher
Pseudodyskinesis of the inferior left ventricular wall: recognizing an echocardiographic mimic of myocardial infarction.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2007;20(12):1374-9.
2007: Ronen Beeri; Chaim Yosefy; J Luis Guerrero; Suzan Abedat; Mark D Handschumacher; Robert E Stroud; Suzanne Sullivan; Miguel Chaput; Dan GILON; Gus J Vlahakes; Francis G Spinale; Roger J Hajjar; Robert A Levine
Early repair of moderate ischemic mitral regurgitation reverses left ventricular remodeling: a functional and molecular study.
Circulation 2007;116(11 Suppl):I288-93.
2007: Judy Hung; Miguel Chaput; J Luis Guerrero; Mark D Handschumacher; Lampros Papakostas; Suzanne Sullivan; Jorge Solis; Robert A Levine
Persistent reduction of ischemic mitral regurgitation by papillary muscle repositioning: structural stabilization of the papillary muscle-ventricular wall complex.
Circulation 2007;116(11 Suppl):I259-63.
2007: Ronen Beeri; Scott C Streckenbach; Eric M Isselbacher; Cary W Akins; Gus J Vlahakes; Mark S Adams; Robert A Levine
The crossed swords sign: insights into the dilemma of repair in bileaflet mitral valve prolapse.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2007;20(6):698-702.
2007: Robert A Levine; Susan A Slaugenhaupt
Molecular genetics of mitral valve prolapse.
Current opinion in cardiology 2007;22(3):171-5.
2007: Zeeshan Syed; Daniel Leeds; Dorothy Curtis; Francesca Nesta; Robert A Levine; John Guttag
A framework for the analysis of acoustical cardiac signals.
IEEE transactions on bio-medical engineering 2007;54(4):651-62.
2007: Chaim Yosefy; Robert A Levine; Jorge Solis; Mordehay Vaturi; Mark D Handschumacher; Judy Hung
Proximal flow convergence region as assessed by real-time 3-dimensional echocardiography: challenging the hemispheric assumption.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2007;20(4):389-96.
2006: Thanh-Thao Ton-Nu; Robert A Levine; Mark D Handschumacher; David J Dorer; Chaim Yosefy; Dali Fan; Lanqi Hua; Leng Jiang; Judy Hung
Geometric determinants of functional tricuspid regurgitation: insights from 3-dimensional echocardiography.
Circulation 2006;114(2):143-9.
2006: Eiji Kuwahara; Yutaka Otsuji; Yoshifumi Iguro; Tetsuya Ueno; Fang Zhu; Naoko Mizukami; Kayoko Kubota; Kenichi Nakashiki; Toshinori Yuasa; Bo Yu; Takeshi Uemura; Kunitsugu Takasaki; Masaaki Miyata; Shuichi Hamasaki; Akira Kisanuki; Robert A Levine; Ryuzo Sakata; Chuwa Tei
Mechanism of recurrent/persistent ischemic/functional mitral regurgitation in the chronic phase after surgical annuloplasty: importance of augmented posterior leaflet tethering.
Circulation 2006;114(1 Suppl):I529-34.
2006: Emmanuel Messas; Chaim Yosefy; Miguel Chaput; J Luis Guerrero; Suzanne Sullivan; Philippe Menasché; Alain Carpentier; Michel Desnos; Albert A Hagege; Gus J Vlahakes; Robert A Levine
Chordal cutting does not adversely affect left ventricle contractile function.
Circulation 2006;114(1 Suppl):I524-8.
2006: Emmanuel Messas; Alain Bel; Miguel Cortes Morichetti; Claire Carrion; Mark D Handschumacher; Séverine Peyrard; Jean-Thomas Vilquin; Michel Desnos; Patrick Bruneval; Alain Carpentier; Philippe Menasché; Robert A Levine; Albert A Hagège
Autologous myoblast transplantation for chronic ischemic mitral regurgitation.
Journal of the American College of Cardiology 2006;47(10):2086-93.
2006: Zeeshan Syed; Dorothy Curtis; John Guttag; Francesca Nesta; Robert A Levine
Software enhanced learning of cardiac auscultation.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():6105-8.
2005: Igal A Sebag; John G Morgan; Mark D Handschumacher; Jane E Marshall; Francesca Nesta; Judy Hung; Michael H Picard; Robert A Levine
Usefulness of three-dimensionally guided assessment of mitral stenosis using matrix-array ultrasound.
The American journal of cardiology 2005;96(8):1151-6.
2005: Francesca Nesta; Maire Leyne; Chaim Yosefy; Charles Simpson; Daisy Dai; Jane E Marshall; Judy Hung; Susan A Slaugenhaupt; Robert A Levine
New locus for autosomal dominant mitral valve prolapse on chromosome 13: clinical insights from genetic studies.
Circulation 2005;112(13):2022-30.
2005: Fang Zhu; Yutaka Otsuji; Goichi Yotsumoto; Toshinori Yuasa; Takayuki Ueno; Bo Yu; Chihaya Koriyama; Shuichi Hamasaki; Sadatoshi Biro; Akira Kisanuki; Shinichi Minagoe; Robert A Levine; Ryuzo Sakata; Chuwa Tei
Mechanism of persistent ischemic mitral regurgitation after annuloplasty: importance of augmented posterior mitral leaflet tethering.
Circulation 2005;112(9 Suppl):I396-401.
2005: Robert A Levine; Ehud Schwammenthal
Ischemic mitral regurgitation on the threshold of a solution: from paradoxes to unifying concepts.
Circulation 2005;112(5):745-58.
2005: Takeshi Uemura; Yutaka Otsuji; Kenichi Nakashiki; Shiro Yoshifuku; Yuko Maki; Bo Yu; Naoko Mizukami; Eiji Kuwahara; Shuichi Hamasaki; Sadatoshi Biro; Akira Kisanuki; Shinichi Minagoe; Robert A Levine; Chuwa Tei
Papillary muscle dysfunction attenuates ischemic mitral regurgitation in patients with localized basal inferior left ventricular remodeling: insights from tissue Doppler strain imaging.
Journal of the American College of Cardiology 2005;46(1):113-9.
2005: Mordehay Vaturi; Robert A Levine; Chaim Yosefy; Michael J O'Neil; Michael H Picard; Judy Hung
Usefulness of left atrial emptying fraction to predict exercise capacity in patients with normal systolic left ventricular function and without myocardial ischemia.
The American journal of cardiology 2005;95(8):1014-7.
2005: Thomas Buck; Björn Plicht; Peter Hunold; Ronald A Mucci; Raimund Erbel; Robert A Levine
Broad-beam spectral Doppler sonification of the vena contracta using matrix-array technology: A new solution for semi-automated quantification of mitral regurgitant flow volume and orifice area.
Journal of the American College of Cardiology 2005;45(5):770-9.
2005: Yutaka Otsuji; Eiji Kuwahara; Keiko Yuge; Goichi Yotsumoto; Takayuki Ueno; Kenichi Nakashiki; Shuichi Hamasaki; Sadatoshi Biro; Shinichi Minagoe; Robert A Levine; Ryuzo Sakata; Chuwa Tei
Relation of aneurysmectomy in patients with advanced left ventricular remodeling to postoperative left ventricular filling pressure, redilatation with ischemic mitral regurgitation.
The American journal of cardiology 2005;95(4):517-21.
2004: Robert A Levine; Emmanuel Messas; Nadia S Nathan; Lawrence G Rudski
New understanding of ischemic mitral regurgitation: the marionette and its masters.
European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology 2004;5(5):313-7.
2004: Hunghui Chi; Emmanuel Messas; Robert A Levine; Dana T Graves; Salomon Amar
Interleukin-1 receptor signaling mediates atherosclerosis associated with bacterial exposure and/or a high-fat diet in a murine apolipoprotein E heterozygote model: pharmacotherapeutic implications.
Circulation 2004;110(12):1678-85.
2004: Lawrence G Rudski; Chi-Ming Chow; Robert A Levine
Prosthetic mitral regurgitation can be mimicked by Doppler color flow mapping: avoiding misdiagnosis.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2004;17(8):829-33.
2003: Francesca Nesta; Yutaka Otsuji; Mark D Handschumacher; Emmanuel Messas; Marcia Leavitt; Alain Carpentier; Robert A Levine; Judy Hung
Leaflet concavity: a rapid visual clue to the presence and mechanism of functional mitral regurgitation.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2003;16(12):1301-8.
2003: Emmanuel Messas; Bruno Pouzet; Bernard Touchot; J Luis Guerrero; Gus J Vlahakes; Michel Desnos; Philippe Menasché; Albert A Hagège; Robert A Levine
Efficacy of chordal cutting to relieve chronic persistent ischemic mitral regurgitation.
Circulation 2003;108 Suppl 1():II111-5.
2003: David A Playford; Robert A Levine; Michael H Picard; Mark D Handschumacher
Illusion of contraction from out-of-plane translation: can Doppler tissue velocities resolve it?
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2003;16(8):832-40.
2003: Lisa A Freed; James S Acierno; Daisy Dai; Maire Leyne; Jane E Marshall; Francesca Nesta; Robert A Levine; Susan A Slaugenhaupt
A locus for autosomal dominant mitral valve prolapse on chromosome 11p15.4.
American journal of human genetics 2003;72(6):1551-9.
2003: Ervin R Fox; Michael H Picard; Chi-Ming Chow; Robert A Levine; lee schwamm; Andrew J Kerr
Interatrial septal mobility predicts larger shunts across patent foramen ovales: an analysis with transmitral Doppler scanning.
American heart journal 2003;145(4):730-6.
2003: Toshiro Kumanohoso; Yutaka Otsuji; Shiro Yoshifuku; Keiko Matsukida; Chihaya Koriyama; Akira Kisanuki; Shinichi Minagoe; Robert A Levine; Chuwa Tei
Mechanism of higher incidence of ischemic mitral regurgitation in patients with inferior myocardial infarction: quantitative analysis of left ventricular and mitral valve geometry in 103 patients with prior myocardial infarction.
The Journal of thoracic and cardiovascular surgery 2003;125(1):135-43.
2002: Judy Hung; J Luis Guerrero; Mark D Handschumacher; Gregory Supple; Suzanne Sullivan; Robert A Levine
Reverse ventricular remodeling reduces ischemic mitral regurgitation: echo-guided device application in the beating heart.
Circulation 2002;106(20):2594-600.
2002: Dan GILON; Edward G Cape; Mark D Handschumacher; Jae Kwan Song; Joan Solheim; Michael VanAuker; Mary Etta E King; Robert A Levine
Effect of three-dimensional valve shape on the hemodynamics of aortic stenosis: three-dimensional echocardiographic stereolithography and patient studies.
Journal of the American College of Cardiology 2002;40(8):1479-86.
2002: Ronen Beeri; J Luis Guerrero; Gregory Supple; Suzanne Sullivan; Robert A Levine; Roger J Hajjar
New efficient catheter-based system for myocardial gene delivery.
Circulation 2002;106(14):1756-9.
2002: Yutaka Otsuji; Toshiro Kumanohoso; Shiro Yoshifuku; Keiko Matsukida; Chihaya Koriyama; Akira Kisanuki; Shinichi Minagoe; Robert A Levine; Chuwa Tei
Isolated annular dilation does not usually cause important functional mitral regurgitation: comparison between patients with lone atrial fibrillation and those with idiopathic or ischemic cardiomyopathy.
Journal of the American College of Cardiology 2002;39(10):1651-6.
2002: Robert A Levine; Judy Hung; Yutaka Otsuji; Emmanuel Messas; Noah Liel-Cohen; Nadia Nathan; Mark D Handschumacher; J Luis Guerrero; Shengqiu He; Ajit P Yoganathan; Gus J Vlahakes
Mechanistic insights into functional mitral regurgitation.
Current cardiology reports 2002;4(2):125-9.
2002: Li Li; Emmanuel Messas; Eraldo L Batista; Robert A Levine; Salomon Amar
Porphyromonas gingivalis infection accelerates the progression of atherosclerosis in a heterozygous apolipoprotein E-deficient murine model.
Circulation 2002;105(7):861-7.
2002: Uwe Klima; Myung-Yong Lee; J Luis Guerrero; Paul J Laraia; Robert A Levine; Gus J Vlahakes
Determinants of maximal right ventricular function: role of septal shift.
The Journal of thoracic and cardiovascular surgery 2002;123(1):72-80.
2001: Emmanuel Messas; J Luis Guerrero; Mark D Handschumacher; C Conrad; Chi-Ming Chow; Suzanne Sullivan; Ajit P Yoganathan; Robert A Levine
Chordal cutting: a new therapeutic approach for ischemic mitral regurgitation.
Circulation 2001;104(16):1958-63.
2001: Emmanuel Messas; J Luis Guerrero; Mark D Handschumacher; Chi-Ming Chow; Suzanne Sullivan; Ehud Schwammenthal; Robert A Levine
Paradoxic decrease in ischemic mitral regurgitation with papillary muscle dysfunction: insights from three-dimensional and contrast echocardiography with strain rate measurement.
Circulation 2001;104(16):1952-7.
2001: Andrew J Kerr; K K Chia; Thomas Buck; S J Fry; P M Myron; Lawrence G Rudski; Chi-Ming Chow; Ronald A Mucci; Michael H Picard; Robert A Levine
Bed tilt as an effort-independent maneuver to improve patent foramen ovale assessment by transthoracic contrast echocardiography.
The American journal of cardiology 2001;88(1):A8, 94-8.
2001: Yutaka Otsuji; Mark D Handschumacher; Noah Liel-Cohen; H Tanabe; L Jiang; Ehud Schwammenthal; J Luis Guerrero; L A Nicholls; Gus J Vlahakes; Robert A Levine
Mechanism of ischemic mitral regurgitation with segmental left ventricular dysfunction: three-dimensional echocardiographic studies in models of acute and chronic progressive regurgitation.
Journal of the American College of Cardiology 2001;37(2):641-8.
2001: MO Jensen; Jack Lemmon; V C Gessaghi; C P Conrad; Robert A Levine; Ajit P Yoganathan
Harvested porcine mitral xenograft fixation: impact on fluid dynamic performance.
The Journal of heart valve disease 2001;10(1):111-24.
2000: Andrew J Kerr; Thomas Buck; K Chia; Chi-Ming Chow; E Fox; Robert A Levine; Michael H Picard
Transmitral Doppler: a new transthoracic contrast method for patent foramen ovale detection and quantification.
Journal of the American College of Cardiology 2000;36(6):1959-66.
2000: H D Movsowitz; Robert A Levine; Alan D Hilgenberg; Eric M Isselbacher
Transesophageal echocardiographic description of the mechanisms of aortic regurgitation in acute type A aortic dissection: implications for aortic valve repair.
Journal of the American College of Cardiology 2000;36(3):884-90.
2000: Thomas Buck; Ronald A Mucci; J Luis Guerrero; Godtfred Holmvang; Mark D Handschumacher; Robert A Levine
The power-velocity integral at the vena contracta: A new method for direct quantification of regurgitant volume flow.
Circulation 2000;102(9):1053-61.
2000: S He; Matthew Weston; Jack Lemmon; M Jensen; Robert A Levine; Ajit P Yoganathan
Geometric distribution of chordae tendineae: an important anatomic feature in mitral valve function.
The Journal of heart valve disease 2000;9(4):495-501; discussion 502-3.
2000: Noah Liel-Cohen; J Luis Guerrero; Yutaka Otsuji; Mark D Handschumacher; L G Rudski; Patrick Hunziker; H Tanabe; Marielle Scherrer-Crosbie; Suzanne Sullivan; Robert A Levine
Design of a new surgical approach for ventricular remodeling to relieve ischemic mitral regurgitation: insights from 3-dimensional echocardiography.
Circulation 2000;101(23):2756-63.
2000: Marielle Scherrer-Crosbie; Noah Liel-Cohen; Yutaka Otsuji; J Luis Guerrero; S Sullivan; Robert A Levine; Michael H Picard
Myocardial perfusion and wall motion in infarction border zone: assessment by myocardial contrast echocardiography.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2000;13(5):353-7.
1999: Dan GILON; Ferdinando S Buonanno; M M Joffe; Marcia Leavitt; Jane E Marshall; J Philip Kistler; Robert A Levine
Lack of evidence of an association between mitral-valve prolapse and stroke in young patients.
The New England journal of medicine 1999;341(1):8-13.
1999: PW Wilkerson; Robert A Levine; Ajit P Yoganathan
Quantification of mitral regurgitation using corrected Doppler measurements.
Journal of biomechanical engineering 1999;121(3):273-80.
1999: S He; Jack Lemmon; Matthew Weston; MO Jensen; Robert A Levine; Ajit P Yoganathan
Mitral valve compensation for annular dilatation: in vitro study into the mechanisms of functional mitral regurgitation with an adjustable annulus model.
The Journal of heart valve disease 1999;8(3):294-302.
1999: LR Padial; V M Abascal; Pedro R Moreno; Arthur E Weyman; Robert A Levine; Igor F Palacios
Echocardiography can predict the development of severe mitral regurgitation after percutaneous mitral valvuloplasty by the Inoue technique.
The American journal of cardiology 1999;83(8):1210-3.
1999: Judy Hung; Yutaka Otsuji; Mark D Handschumacher; Ehud Schwammenthal; Robert A Levine
Mechanism of dynamic regurgitant orifice area variation in functional mitral regurgitation: physiologic insights from the proximal flow convergence technique.
Journal of the American College of Cardiology 1999;33(2):538-45.
1998: Judy Hung; Todd M Koelling; Marc J Semigran; G William Dec; Robert A Levine; Thomas Di Salvo
Usefulness of echocardiographic determined tricuspid regurgitation in predicting event-free survival in severe heart failure secondary to idiopathic-dilated cardiomyopathy or to ischemic cardiomyopathy.
The American journal of cardiology 1998;82(10):1301-3, A10.
1998: Yutaka Otsuji; Mark D Handschumacher; Akira Kisanuki; C Tei; Robert A Levine
Functional mitral regurgitation.
Cardiologia (Rome, Italy) 1998;43(10):1011-6.
1998: Ehud Schwammenthal; S Nakatani; S He; J Hopmeyer; A Sagie; Arthur E Weyman; H M Lever; Ajit P Yoganathan; James David Thomas; Robert A Levine
Mechanism of mitral regurgitation in hypertrophic cardiomyopathy: mismatch of posterior to anterior leaflet length and mobility.
Circulation 1998;98(9):856-65.
1998: Yutaka Otsuji; Dan GILON; L Jiang; S He; Marcia Leavitt; Michael Roy; M J Birmingham; Robert A Levine
Restricted diastolic opening of the mitral leaflets in patients with left ventricular dysfunction: evidence for increased valve tethering.
Journal of the American College of Cardiology 1998;32(2):398-404.
1998: J Hopmeyer; PW Wilkerson; K M Thorvig; Robert A Levine; Ajit P Yoganathan
Pulsatile flow computational simulations of mitral regurgitation.
Journal of biomechanical engineering 1998;120(2):245-54.
1998: J Hopmeyer; S He; K M Thorvig; E McNeil; PW Wilkerson; Robert A Levine; Ajit P Yoganathan
Estimation of mitral regurgitation with a hemielliptic curve-fitting algorithm: in vitro experiments with native mitral valves.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1998;11(4):322-31.
1997: LR Padial; A Oliver; A Sagie; Arthur E Weyman; Mary Etta E King; Robert A Levine
Two-dimensional echocardiographic assessment of the progression of aortic root size in 127 patients with chronic aortic regurgitation: role of the supraaortic ridge and relation to the progression of the lesion.
American heart journal 1997;134(5 Pt 1):814-21.
1997: S R Hashim; A Fontaine; S He; Robert A Levine; Ajit P Yoganathan
A three-component force vector cell for in vitro quantification of the force exerted by the papillary muscle on the left ventricular wall.
Journal of biomechanics 1997;30(10):1071-5.
1997: Yutaka Otsuji; Mark D Handschumacher; Ehud Schwammenthal; L Jiang; J K Song; J Luis Guerrero; Gus J Vlahakes; Robert A Levine
Insights from three-dimensional echocardiography into the mechanism of functional mitral regurgitation: direct in vivo demonstration of altered leaflet tethering geometry.
Circulation 1997;96(6):1999-2008.
1997: S He; AA Fontaine; Ehud Schwammenthal; Ajit P Yoganathan; Robert A Levine
Integrated mechanism for functional mitral regurgitation: leaflet restriction versus coapting force: in vitro studies.
Circulation 1997;96(6):1826-34.
1997: LR Padial; A Oliver; M Vivaldi; A Sagie; N Freitas; Arthur E Weyman; Robert A Levine
Doppler echocardiographic assessment of progression of aortic regurgitation.
The American journal of cardiology 1997;80(3):306-14.
1997: Uwe Klima; J Luis Guerrero; Robert A Levine; Gus J Vlahakes
A new, biventricular working heterotopic heart transplant model: anatomic and physiologic considerations.
Transplantation 1997;64(2):215-22.
1997: S He; J Hopmeyer; X P Lefebvre; Ehud Schwammenthal; Ajit P Yoganathan; Robert A Levine
Importance of leaflet elongation in causing systolic anterior motion of the mitral valve.
The Journal of heart valve disease 1997;6(2):149-59.
1997: A Sagie; N Freitas; M H Chen; J E Marshall; Arthur E Weyman; Robert A Levine
Echocardiographic assessment of mitral stenosis and its associated valvular lesions in 205 patients and lack of association with mitral valve prolapse.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1997;10(2):141-8.
1996: R Y Grimes; G A Pulido; Robert A Levine; Ajit P Yoganathan
Quasisteady behavior of pulsatile, confined, counterflowing jets: implications for the assessment of mitral and tricuspid regurgitation.
Journal of biomechanical engineering 1996;118(4):498-505.
1996: R S Heinrich; A A Fontaine; R Y Grimes; A Sidhaye; S Yang; K E Moore; Robert A Levine; Ajit P Yoganathan
Experimental analysis of fluid mechanical energy losses in aortic valve stenosis: importance of pressure recovery.
Annals of biomedical engineering 1996;24(6):685-94.
1996: J Hopmeyer; E Whitney; D A Papp; M S Navathe; Robert A Levine; Y H Kim; Ajit P Yoganathan
Computational simulations of mitral regurgitation quantification using the flow convergence method: comparison of hemispheric and hemielliptic formulae.
Annals of biomedical engineering 1996;24(5):561-72.
1996: A Sagie; N Freitas; L R Padial; M Leavitt; E Morris; Arthur E Weyman; Robert A Levine
Doppler echocardiographic assessment of long-term progression of mitral stenosis in 103 patients: valve area and right heart disease.
Journal of the American College of Cardiology 1996;28(2):472-9.
1996: Dan Gilon; EG Cape; Mark D Handschumacher; L Jiang; C Sears; J Solheim; E Morris; J T Strobel; S M Miller-Jones; Arthur E Weyman; Robert A Levine
Insights from three-dimensional echocardiographic laser stereolithography. Effect of leaflet funnel geometry on the coefficient of orifice contraction, pressure loss, and the Gorlin formula in mitral stenosis.
Circulation 1996;94(3):452-9.
1996: R Y Grimes; J Hopmeyer; EG Cape; Robert A Levine; Ajit P Yoganathan
How sensitive are jet centerline velocities to an opposing flow? Implications for using the centerline method to quantify regurgitant jet flow.
Journal of biomechanics 1996;29(7):967-71.
1996: L Jiang; J A de Prada; M Y Lee; J He; L R Padial; J T Fallon; M E King; Igor F Palacios; Arthur E Weyman; Robert A Levine
Quantitative assessment of stenotic aortic valve area by using intracardiac echocardiography: in vitro validation and initial in vivo illustration.
American heart journal 1996;132(1 Pt 1):137-44.
1996: L R Padial; N Freitas; A Sagie; J B Newell; Arthur E Weyman; Robert A Levine; Igor F Palacios
Echocardiography can predict which patients will develop severe mitral regurgitation after percutaneous mitral valvulotomy.
Journal of the American College of Cardiology 1996;27(5):1225-31.
1996: S C Siu; J M Rivera; Mark D Handschumacher; Arthur E Weyman; Robert A Levine; Michael H Picard
Three-dimensional echocardiography: the influence of number of component images on accuracy of left ventricular volume quantitation.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1996;9(2):147-55.
1996: A A Fontaine; S He; R Stadter; JT Ellis; Robert A Levine; Ajit P Yoganathan
In vitro assessment of prosthetic valve function in mitral valve replacement with chordal preservation techniques.
The Journal of heart valve disease 1996;5(2):186-98.
1996: L Jiang; R Morrissey; Mark D Handschumacher; J A Vazquez de Prada; J He; Michael H Picard; Arthur E Weyman; Robert A Levine
Quantitative three-dimensional reconstruction of left ventricular volume with complete borders detected by acoustic quantification underestimates volume.
American heart journal 1996;131(3):553-9.
1996: J A Vazquez de Prada; M H Chen; J Luis Guerrero; L R Padial; L Jiang; Ehud Schwammenthal; A Sagie; Arthur E Weyman; Robert A Levine; C Chen
Intracardiac echocardiography: in vitro and in vivo validation for right ventricular volume and function.
American heart journal 1996;131(2):320-8.
1996: S Nakatani; Ehud Schwammenthal; H M Lever; Robert A Levine; Bruce W Lytle; James David Thomas
New insights into the reduction of mitral valve systolic anterior motion after ventricular septal myectomy in hypertrophic obstructive cardiomyopathy.
American heart journal 1996;131(2):294-300.
1996: A G Burleson; Robert A Levine; Ajit P Yoganathan
A model based on dimensional analysis for non-invasive quantification of valvular regurgitation under confined and impinging conditions.
Journal of biomechanics 1996;29(1):99-102.
1996: J Hopmeyer; A A Fontaine; S Yang; Robert A Levine; Ajit P Yoganathan
The effect of aortic outflow on the quantification of mitral regurgitation by the flow convergence method.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1996;9(1):44-57.
1996: Ehud Schwammenthal; C Chen; M Giesler; A Sagie; J Luis Guerrero; J A Vazquez de Prada; V Hombach; Arthur E Weyman; Robert A Levine
New method for accurate calculation of regurgitant flow rate based on analysis of Doppler color flow maps of the proximal flow field. Validation in a canine model of mitral regurgitation with initial application in patients.
Journal of the American College of Cardiology 1996;27(1):161-72.
1995: S C Siu; Robert A Levine; J M Rivera; S W Xie; J P Lethor; Mark D Handschumacher; Arthur E Weyman; Michael H Picard
Three-dimensional echocardiography improves noninvasive assessment of left ventricular volume and performance.
American heart journal 1995;130(4):812-22.
1995: R Y Grimes; Robert A Levine; PG Walker; Ajit P Yoganathan
Dynamics of systolic pulmonary venous flow in mitral regurgitation: mathematical modeling of the pulmonary venous system and atrium.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1995;8(5 Pt 1):631-42.
1995: R J Hajjar; G A Rose; Joren C Madsen; Robert A Levine; R W DeSanctis
Extrapericardial cardiac tamponade after blunt chest trauma.
American heart journal 1995;130(3 Pt 1):620-1.
1995: J A Vazquez de Prada; L Jiang; M H Chen; L R Padial; J Luis Guerrero; Ehud Schwammenthal; M E King; Arthur E Weyman; C Chen; Robert A Levine
Intracardiac ultrasonographic assessment of atrial septal defect area: in vitro validation and technical considerations.
American heart journal 1995;130(2):302-6.
1995: X P Lefebvre; S He; Robert A Levine; Ajit P Yoganathan
Systolic anterior motion of the mitral valve in hypertrophic cardiomyopathy: an in vitro pulsatile flow study.
The Journal of heart valve disease 1995;4(4):422-38.
1995: Robert A Levine; Gus J Vlahakes; X Lefebvre; J Luis Guerrero; EG Cape; Ajit P Yoganathan; Arthur E Weyman
Papillary muscle displacement causes systolic anterior motion of the mitral valve. Experimental validation and insights into the mechanism of subaortic obstruction.
Circulation 1995;91(4):1189-95.
1995: D Mele; Pieter Vandervoort; I Palacios; J M Rivera; R E Dinsmore; Ehud Schwammenthal; J E Marshall; Arthur E Weyman; Robert A Levine
Proximal jet size by Doppler color flow mapping predicts severity of mitral regurgitation. Clinical studies.
Circulation 1995;91(3):746-54.
1995: Ajit P Yoganathan; J D Lemmon; Y H Kim; Robert A Levine; C C Vesier
A three-dimensional computational investigation of intraventricular fluid dynamics: examination into the initiation of systolic anterior motion of the mitral valve leaflets.
Journal of biomechanical engineering 1995;117(1):94-102.
1995: L Jiang; J A Vazquez de Prada; Mark D Handschumacher; C Vuille; J L Guererro; Michael H Picard; J T Joziatis; J T Fallon; Arthur E Weyman; Robert A Levine
Quantitative three-dimensional reconstruction of aneurysmal left ventricles. In vitro and in vivo validation.
Circulation 1995;91(1):222-30.
1995: R Y Grimes; S J Nyarko; G A Pulido; S Yang; PG Walker; Robert A Levine; Ajit P Yoganathan
Atrial inflow can alter regurgitant jet size: in vitro studies.
Ultrasound in medicine & biology 1995;21(4):459-69.
1995: A C Burleson; T N'Guyen; A Fontaine; Robert A Levine; Ajit P Yoganathan
A model based on dimensional analysis for noninvasive quantification of valvular regurgitation under confined and impinging conditions: in vitro pulsatile flow validation.
Ultrasound in medicine & biology 1995;21(7):899-911.
1994: A Sagie; Ehud Schwammenthal; Igor F Palacios; M E King; M Leavitt; N Freitas; Arthur E Weyman; Robert A Levine
Significant tricuspid regurgitation does not resolve after percutaneous balloon mitral valvotomy.
The Journal of thoracic and cardiovascular surgery 1994;108(4):727-35.
1994: A Sagie; Ehud Schwammenthal; J B Newell; Lari C Harrell; T B Joziatis; Arthur E Weyman; Robert A Levine; Igor F Palacios
Significant tricuspid regurgitation is a marker for adverse outcome in patients undergoing percutaneous balloon mitral valvuloplasty.
Journal of the American College of Cardiology 1994;24(3):696-702.
1994: A Sagie; Ehud Schwammenthal; L R Padial; J A Vazquez de Prada; Arthur E Weyman; Robert A Levine
Determinants of functional tricuspid regurgitation in incomplete tricuspid valve closure: Doppler color flow study of 109 patients.
Journal of the American College of Cardiology 1994;24(2):446-53.
1994: Ajit P Yoganathan; J D Lemmon; Y H Kim; PG Walker; Robert A Levine; C C Vesier
A computational study of a thin-walled three-dimensional left ventricle during early systole.
Journal of biomechanical engineering 1994;116(3):307-14.
1994: J A Vazquez de Prada; L Jiang; Mark D Handschumacher; S W Xie; J M Rivera; Ehud Schwammenthal; J Luis Guerrero; Arthur E Weyman; Robert A Levine; Michael H Picard
Quantification of pericardial effusions by three-dimensional echocardiography.
Journal of the American College of Cardiology 1994;24(1):254-9.
1994: L Jiang; J A Vazquez de Prada; Mark D Handschumacher; J L Guererro; Gus J Vlahakes; M E King; Arthur E Weyman; Robert A Levine
Three-dimensional echocardiography: in vivo validation for right ventricular free wall mass as an index of hypertrophy.
Journal of the American College of Cardiology 1994;23(7):1715-22.
1994: R Y Grimes; A Burleson; Robert A Levine; Ajit P Yoganathan
Quantification of cardiac jets: theory and limitations.
Echocardiography (Mount Kisco, N.Y.) 1994;11(3):267-80.
1994: L Jiang; S C Siu; Mark D Handschumacher; J Luis Guererro; J A Vazquez de Prada; M E King; Michael H Picard; Arthur E Weyman; Robert A Levine
Three-dimensional echocardiography. In vivo validation for right ventricular volume and function.
Circulation 1994;89(5):2342-50.
1994: C Chen; L Rodriguez; J P Lethor; Robert A Levine; Marc J Semigran; M A Fifer; Arthur E Weyman; James David Thomas
Continuous wave Doppler echocardiography for noninvasive assessment of left ventricular dP/dt and relaxation time constant from mitral regurgitant spectra in patients.
Journal of the American College of Cardiology 1994;23(4):970-6.
1994: L Jiang; Mark D Handschumacher; M G Hibberd; S C Siu; M E King; Arthur E Weyman; Robert A Levine
Three-dimensional echocardiographic reconstruction of right ventricular volume: in vitro comparison with two-dimensional methods.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1994;7(2):150-8.
1994: J M Rivera; S C Siu; Mark D Handschumacher; J P Lethor; J Luis Guerrero; Gus J Vlahakes; J D Mitchell; Arthur E Weyman; M E King; Robert A Levine
Three-dimensional reconstruction of ventricular septal defects: validation studies and in vivo feasibility.
Journal of the American College of Cardiology 1994;23(1):201-8.
1993: EG Cape; Y H Kim; R S Heinrich; R Y Grimes; E Muralidharan; J D Broder; E Schwammenthal; Ajit P Yoganathan; Robert A Levine
Cardiac motion can alter proximal isovelocity surface area calculations of regurgitant flow.
Journal of the American College of Cardiology 1993;22(6):1730-7.
1993: S C Siu; J M Rivera; J Luis Guerrero; Mark D Handschumacher; J P Lethor; Arthur E Weyman; Robert A Levine; Michael H Picard
Three-dimensional echocardiography. In vivo validation for left ventricular volume and function.
Circulation 1993;88(4 Pt 1):1715-23.
1993: L Rodriguez; James David Thomas; V Monterroso; Arthur E Weyman; P Harrigan; L N Mueller; Robert A Levine
Validation of the proximal flow convergence method. Calculation of orifice area in patients with mitral stenosis.
Circulation 1993;88(3):1157-65.
1993: Pieter Vandervoort; J M Rivera; D Mele; I F Palacios; R E Dinsmore; Arthur E Weyman; Robert A Levine; James David Thomas
Application of color Doppler flow mapping to calculate effective regurgitant orifice area. An in vitro study and initial clinical observations.
Circulation 1993;88(3):1150-6.
1993: Pieter Vandervoort; D H Thoreau; J M Rivera; Robert A Levine; Arthur E Weyman; James David Thomas
Automated flow rate calculations based on digital analysis of flow convergence proximal to regurgitant orifices.
Journal of the American College of Cardiology 1993;22(2):535-41.
1993: EG Cape; Ajit P Yoganathan; Robert A Levine
Increased heart rate can cause underestimation of regurgitant jet size by Doppler color flow mapping.
Journal of the American College of Cardiology 1993;21(4):1029-37.
1993: Mark D Handschumacher; J P Lethor; S C Siu; D Mele; J M Rivera; Michael H Picard; Arthur E Weyman; Robert A Levine
A new integrated system for three-dimensional echocardiographic reconstruction: development and validation for ventricular volume with application in human subjects.
Journal of the American College of Cardiology 1993;21(3):743-53.
1993: J R Aragam; J Main; J Luis Guerrero; Gus J Vlahakes; J F Southern; M S Adams; Arthur E Weyman; Robert A Levine
Doppler color flow mapping of epicardial coronary arteries: initial observations.
Journal of the American College of Cardiology 1993;21(2):478-87.
1992: James David Thomas; F A Flachskampf; C Chen; J L Guererro; Michael H Picard; Robert A Levine; Arthur E Weyman
Isovolumic relaxation time varies predictably with its time constant and aortic and left atrial pressures: implications for the noninvasive evaluation of ventricular relaxation.
American heart journal 1992;124(5):1305-13.
1992: J M Rivera; Pieter Vandervoort; D H Thoreau; Robert A Levine; Arthur E Weyman; James David Thomas
Quantification of mitral regurgitation with the proximal flow convergence method: a clinical study.
American heart journal 1992;124(5):1289-96.
1992: C Chen; L Rodriguez; Robert A Levine; Arthur E Weyman; James David Thomas
Noninvasive measurement of the time constant of left ventricular relaxation using the continuous-wave Doppler velocity profile of mitral regurgitation.
Circulation 1992;86(1):272-8.
1992: A Cagniot; E G Cape; PG Walker; Ajit P Yoganathan; Robert A Levine
Effect of heart rate on centerline velocities of pulsatile intracardiac jets: an in vitro study with laser Doppler anemometry and pulsed Doppler ultrasound.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 1992;5(4):393-404.
1992: Robert A Levine; Arthur E Weyman; Mark D Handschumacher
Three-dimensional echocardiography: techniques and applications.
The American journal of cardiology 1992;69(20):121H-130H; discussion 131H-134H.
1992: A J Sanfilippo; P Harrigan; Aleksandra Popovic; Arthur E Weyman; Robert A Levine
Papillary muscle traction in mitral valve prolapse: quantitation by two-dimensional echocardiography.
Journal of the American College of Cardiology 1992;19(3):564-71.
1991: C Chen; L Rodriguez; J Luis Guerrero; S Marshall; Robert A Levine; Arthur E Weyman; James David Thomas
Noninvasive estimation of the instantaneous first derivative of left ventricular pressure using continuous-wave Doppler echocardiography.
Circulation 1991;83(6):2101-10.
1991: J P O'Shea; J F Southern; MN D'Ambra; C Magro; J L Guerrero; J E Marshall; G V Vlahakes; Robert A Levine; Arthur E Weyman
Effects of prolonged transesophageal echocardiographic imaging and probe manipulation on the esophagus--an echocardiographic-pathologic study.
Journal of the American College of Cardiology 1991;17(6):1426-9.
1991: EG Cape; Ajit P Yoganathan; Arthur E Weyman; Robert A Levine
Adjacent solid boundaries alter the size of regurgitant jets on Doppler color flow maps.
Journal of the American College of Cardiology 1991;17(5):1094-102.
1990: P Okunieff; Anthony L Zietman; J Kahn; Samuel Singer; L J Neuringer; Robert A Levine; F E Evans
Lack of efficacy of water-suppressed proton nuclear magnetic resonance spectroscopy of plasma for the detection of malignant tumors.
The New England journal of medicine 1990;322(14):953-8.
1990: EG Cape; Ajit P Yoganathan; Robert A Levine
A new theoretical model for noninvasive quantification of mitral regurgitation.
Journal of biomechanics 1990;23(1):27-33.
1989: Robert A Levine; James David Thomas
Insights into the physiologic significance of the mitral inflow velocity pattern.
Journal of the American College of Cardiology 1989;14(7):1718-20.
1989: Robert A Levine; Mark D Handschumacher; A J Sanfilippo; A A Hagege; P Harrigan; J E Marshall; Arthur E Weyman
Three-dimensional echocardiographic reconstruction of the mitral valve, with implications for the diagnosis of mitral valve prolapse.
Circulation 1989;80(3):589-98.
1989: EG Cape; E G Skoufis; Arthur E Weyman; Ajit P Yoganathan; Robert A Levine
A new method for noninvasive quantification of valvular regurgitation based on conservation of momentum. In vitro validation.
Circulation 1989;79(6):1343-53.
1989: EG Cape; D Simons; A Jimoh; Arthur E Weyman; Ajit P Yoganathan; Robert A Levine
Chordal geometry determines the shape and extent of systolic anterior mitral motion: in vitro studies.
Journal of the American College of Cardiology 1989;13(6):1438-48.
1989: Robert A Levine; A Jimoh; EG Cape; S McMillan; Ajit P Yoganathan; Arthur E Weyman
Pressure recovery distal to a stenosis: potential cause of gradient "overestimation" by Doppler echocardiography.
Journal of the American College of Cardiology 1989;13(3):706-15.
1989: C Y Choong; V M Abascal; J Weyman; Robert A Levine; F Gentile; James David Thomas; Arthur E Weyman
Prevalence of valvular regurgitation by Doppler echocardiography in patients with structurally normal hearts by two-dimensional echocardiography.
American heart journal 1989;117(3):636-42.