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Zoghbi WA, Jone PN, Chamsi-Pasha MA, Chen T, Collins KA, Desai MY, Grayburn P, Groves DW, Hahn RT, Little SH, Kruse E, Sanborn D, Shah SB, Sugeng L, Swaminathan M, Thaden J, Thavendiranathan P, Tsang W, Weir-McCall JR, Gill E. Guidelines for the Evaluation of Prosthetic Valve Function With Cardiovascular Imaging: A Report From the American Society of Echocardiography Developed in Collaboration With the Society for Cardiovascular Magnetic Resonance and the Society of Cardiovascular Computed Tomography. J Am Soc Echocardiogr 2024; 37:2-63. [PMID: 38182282 DOI: 10.1016/j.echo.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
In patients with significant cardiac valvular disease, intervention with either valve repair or valve replacement may be inevitable. Although valve repair is frequently performed, especially for mitral and tricuspid regurgitation, valve replacement remains common, particularly in adults. Diagnostic methods are often needed to assess the function of the prosthesis. Echocardiography is the first-line method for noninvasive evaluation of prosthetic valve function. The transthoracic approach is complemented with two-dimensional and three-dimensional transesophageal echocardiography for further refinement of valve morphology and function when needed. More recently, advances in computed tomography and cardiac magnetic resonance have enhanced their roles in evaluating valvular heart disease. This document offers a review of the echocardiographic techniques used and provides recommendations and general guidelines for evaluation of prosthetic valve function on the basis of the scientific literature and consensus of a panel of experts. This guideline discusses the role of advanced imaging with transesophageal echocardiography, cardiac computed tomography, and cardiac magnetic resonance in evaluating prosthetic valve structure, function, and regurgitation. It replaces the 2009 American Society of Echocardiography guideline on prosthetic valves and complements the 2019 guideline on the evaluation of valvular regurgitation after percutaneous valve repair or replacement.
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Affiliation(s)
- William A Zoghbi
- Houston Methodist Hospital, DeBakey Heart & Vascular Center, Houston, Texas.
| | - Pei-Ni Jone
- Lurie Children's Hospital, Northwestern University, Chicago, Illinois
| | | | - Tiffany Chen
- Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Milind Y Desai
- Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Paul Grayburn
- Baylor Scott & White Health, University of Texas Southwestern, Dallas, Texas
| | - Daniel W Groves
- University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Rebecca T Hahn
- Columbia University Irving Medical Center, New York, New York
| | - Stephen H Little
- Houston Methodist Hospital, DeBakey Heart & Vascular Center, Houston, Texas
| | - Eric Kruse
- University of Chicago Medical Center, Chicago, Illinois
| | | | - Sangeeta B Shah
- VCU Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Lissa Sugeng
- North Shore University Hospital, Manhasset, New York
| | - Madhav Swaminathan
- Cardiothoracic Anesthesiology and Critical Care Medicine, Duke University, Durham, North Carolina
| | | | | | - Wendy Tsang
- University of Toronto, Toronto, Ontario, Canada
| | | | - Edward Gill
- University of Colorado School of Medicine, Aurora, Colorado
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Vogl B, Gadhave R, Wang Z, El Shaer A, Chavez Ponce A, Alkhouli M, Hatoum H. Effect of aortic curvature on bioprosthetic aortic valve performance. J Biomech 2023; 146:111422. [PMID: 36610388 DOI: 10.1016/j.jbiomech.2022.111422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 12/13/2022] [Accepted: 12/23/2022] [Indexed: 12/25/2022]
Abstract
Transvalvular pressure gradient (ΔP) after aortic valve replacement is an important surrogate of aortic bioprostheses performance. Invasive ΔP is often measured after transcatheter aortic valve replacement to exclude patient-prosthetic mismatch. However, invasive aortic pressures are usually recorded in the pressure recovery (PR) zone downstream of the valve, potentially resulting in ΔP underestimation compared to noninvasive measurements. PR was extensively studied in straight ascending aortas. However, the impact of various aortic arch configurations on ΔP has not been explored. PR was assessed in a pulse duplicating simulator at various cardiac conditions of cardiac output, heart rates and pressures. Three different aortic geometries with identical root dimensions but with different aortic arches were used: (1) curvature 1, (2) curvature 2, and (3) straight aortic models. Instantaneous pressure and peak ΔP measurements were recorded incrementally along the models for each cardiac condition. The models with aortic arches produced two distinct PR zones (after the valve and after the aortic arch), whereas the model without an aortic arch produced only one PR zone (after the valve). The trend of the pressure and ΔP curves for each model was independent of the cardiac condition used, but the individually measured pressure magnitudes did change with different conditions. In this study, we illustrated the differences in PR between distinct aortic curvatures and straight aorta. PR affects pressure and ΔP measurements. These effects are clear when recording aortic pressures by catheterization and echocardiography.
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Affiliation(s)
- Brennan Vogl
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA
| | - Rajat Gadhave
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA
| | - Zhenyu Wang
- Department of Mechanical Engineering, The Ohio State University, Columbus, OH, USA; Simulation Innovation and Modeling Center, The Ohio State University, Columbus, OH, USA
| | - Ahmed El Shaer
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | | | - Mohamad Alkhouli
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Hoda Hatoum
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, USA; Health Research Institute, Center of Biocomputing and Digital Health and Institute of Computing and Cybernetics, Michigan Technological University, Houghton, MI, USA.
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Hatoum H, Mo XM, Crestanello JA, Dasi LP. Modeling of the Instantaneous Transvalvular Pressure Gradient in Aortic Stenosis. Ann Biomed Eng 2019; 47:1748-1763. [PMID: 31037445 PMCID: PMC6650367 DOI: 10.1007/s10439-019-02275-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 04/22/2019] [Indexed: 11/30/2022]
Abstract
The simplified and modified Bernoulli equations break down in estimating the true pressure gradient across the stenotic aortic valve due to their over simplifying assumptions of steady and inviscid conditions as well as the fundamental nature in which aortic valves are different than idealized orifices. Nevertheless, despite having newer models based on time-dependent momentum balance across an orifice, the simplified and modified Bernoulli continue to be the clinical standard because to date, they remain the only models clinically implementable. The objective of this study is to (1) illustrate the fundamental considerations necessary to accurately model the time-dependent instantaneous pressure gradient across a fixed orifice and (2) propose empirical corrections when applying orifice based models to severely stenotic aortic valves. We introduce a general model to predict the time-dependent instantaneous pressure gradient across an orifice that explicitly model the Reynolds number dependence of both the steady and unsteady terms. The accuracy of this general model is assessed with respect to previous models through pulse duplicator experiments on a round orifice model as well as an explanted stenotic surgical aortic valve both with geometric areas of 0.6 cm2 (less than 1 cm2 which is the threshold for stenosis determination) over cardiac outputs of 3 and 5 L/min and heart rates of 60, 90 and 120 bpm. The model and the raw experimental data corresponding to the orifice showed good agreement over a wide range of cardiac outputs and heart rates (R2 exceeding 0.91). The derived average and peak transvalvular pressure gradients also demonstrated good agreement with no significant differences between the respective peaks (p > 0.09). The new model proposed holds promise with its physical and closed form representation of pressure drop, however accurate modeling of the time-variability of the valve area is necessary for the model to be applied on stenotic valves.
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Affiliation(s)
- Hoda Hatoum
- Department of Biomedical Engineering, The Ohio State University, 473 W 12th Ave, Columbus, OH, 43210, USA
| | - Xiaokui-Molly Mo
- Department of Biomedical Informatics, College of Medicine, The Ohio State University, Columbus, OH, USA
| | | | - Lakshmi Prasad Dasi
- Department of Biomedical Engineering, The Ohio State University, 473 W 12th Ave, Columbus, OH, 43210, USA.
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Abushaban L, Vel MT, Rathinasamy J, Sharma PN. Normal reference ranges for cardiac valve cross-sectional areas in preterm infants. Ann Pediatr Cardiol 2018; 11:17-27. [PMID: 29440826 PMCID: PMC5803972 DOI: 10.4103/apc.apc_76_17] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Objective: To establish normal reference ranges for cardiac valve crosssectional areas (CSAs) in preterm infants and their correlation with gestational age, body weight, and chronological age. Materials and Methods: In a prospective study, 268 preterm babies fulfilling the criteria for inclusion were examined. Echocardiograms were performed to measure aortic, pulmonary, mitral, and tricuspid valve CSAs on 0–6 day (s) of life and at weekly intervals until they reached 36 weeks. Gestational age was divided into three groups, 24–27, 28–31, and 32–35 weeks, and body weight was divided into five groups, ≤999, 1000–1499, 1500–1999, 2000–2499, and ≥2500 g. Overall group differences were compared for each period of life: 0–6 days and 1–2, 3–4, and ≥5 weeks. Results: The mean gestational age was 29.8 (±2.38 standard deviation [SD]) weeks, ranging between 24 and 35 weeks, and the mean body weight was 1479 (±413 SD) g, ranging between 588 and 3380 g. All cardiac valve CSAs correlated well with body weight. A significant gradual increase was observed in all valve CSAs with body weight during each period of life. Overall, a progressive and significant increase in all valve CSAs was observed during the first 9 weeks of life. Conclusions: Cardiac valve CSAs were found to be significantly correlated with body weight. The study also provides reference data, which can be used as a normal reference tool for valve CSAs in preterm infants against gestational age, body weight, and chronological age.
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Affiliation(s)
- Lulu Abushaban
- Department of Pediatric Cardiology, Chest Diseases Hospital, Ministry of Health, Faculty of Medicine, Kuwait University, Kuwait
| | - Mariappa Thinakar Vel
- Department of Pediatric Cardiology, Chest Diseases Hospital, Ministry of Health, Kuwait University, Kuwait
| | - Jebaraj Rathinasamy
- Department of Pediatric Cardiology, Chest Diseases Hospital, Ministry of Health, Kuwait University, Kuwait
| | - Prem N Sharma
- Department of Biostatistics, Faculty of Medicine, Kuwait University, Kuwait
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Chapron J, Aguib H, Theodoropoulos S, Kalantzi M, Yacoub M, Torii R. Quantitative assessment of right ventricular structure and flow dynamics in pulmonary homograft obstruction. Glob Cardiol Sci Pract 2014; 2014:350-3. [PMID: 25763381 PMCID: PMC4352686 DOI: 10.5339/gcsp.2014.47] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Accepted: 09/18/2014] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | | | | | | | - Ryo Torii
- University College London, London, UK
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Abbas AE, Franey LM, Lester S, Raff G, Gallagher MJ, Hanzel G, Safian RD, Pibarot P. The Role of Jet Eccentricity in Generating Disproportionately Elevated Transaortic Pressure Gradients in Patients with Aortic Stenosis. Echocardiography 2014; 32:372-82. [DOI: 10.1111/echo.12712] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Affiliation(s)
- Amr E. Abbas
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - Laura M. Franey
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - Steven Lester
- Department of Internal Medicine; Division of Cardiovascular Diseases; Mayo Clinic; Scottsdale Arizona
| | - Gilbert Raff
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - Michael J. Gallagher
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - George Hanzel
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - Robert D. Safian
- Department of Cardiovascular Medicine; Beaumont Health Systems; Royal Oak Michigan
| | - Philippe Pibarot
- Department of Medicine; Laval University & Québec Heart and Lung Institute; Quebec Canada
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Vernick WJ. Con: patient-prosthesis mismatch now is not an important consideration in the majority of patients after aortic valve replacement. J Cardiothorac Vasc Anesth 2013; 28:184-188. [PMID: 24183317 DOI: 10.1053/j.jvca.2013.06.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2013] [Indexed: 11/11/2022]
Affiliation(s)
- William J Vernick
- Department of Anesthesia and Critical Care, Hospital of the University of Pennsylvania, Philadelphia, PA.
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ABBAS AMRE, FRANEY LAURAM, GOLDSTEIN JAMES, LESTER STEVEN. Aortic Valve Stenosis: To the Gradient and Beyond-The Mismatch Between Area and Gradient Severity. J Interv Cardiol 2012; 26:183-94. [DOI: 10.1111/joic.12004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- AMR E. ABBAS
- Department of Cardiology, William Beaumont Hospital; Royal Oak Michigan
| | - LAURA M. FRANEY
- Department of Cardiology, William Beaumont Hospital; Royal Oak Michigan
| | - JAMES GOLDSTEIN
- Department of Cardiology, William Beaumont Hospital; Royal Oak Michigan
| | - STEVEN LESTER
- Department of Internal Medicine, Division of Cardiovascular Diseases, Mayo Clinic; Scottsdale Arizona
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Where is the common sense in aortic valve replacement? A review of hemodynamics and sizing of stented tissue valves. J Thorac Cardiovasc Surg 2011; 142:1180-7. [DOI: 10.1016/j.jtcvs.2011.05.007] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Revised: 04/13/2011] [Accepted: 05/05/2011] [Indexed: 11/22/2022]
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Giardini A, Tacy TA. Pressure Recovery Explains Doppler Overestimation of Invasive Pressure Gradient across Segmental Vascular Stenosis. Echocardiography 2010; 27:21-31. [DOI: 10.1111/j.1540-8175.2009.00983.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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11
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Zoghbi WA, Chambers JB, Dumesnil JG, Foster E, Gottdiener JS, Grayburn PA, Khandheria BK, Levine RA, Marx GR, Miller FA, Nakatani S, Quiñones MA, Rakowski H, Rodriguez LL, Swaminathan M, Waggoner AD, Weissman NJ, Zabalgoitia M. Recommendations for evaluation of prosthetic valves with echocardiography and doppler ultrasound: a report From the American Society of Echocardiography's Guidelines and Standards Committee and the Task Force on Prosthetic Valves, developed in conjunction with the American College of Cardiology Cardiovascular Imaging Committee, Cardiac Imaging Committee of the American Heart Association, the European Association of Echocardiography, a registered branch of the European Society of Cardiology, the Japanese Society of Echocardiography and the Canadian Society of Echocardiography, endorsed by the American College of Cardiology Foundation, American Heart Association, European Association of Echocardiography, a registered branch of the European Society of Cardiology, the Japanese Society of Echocardiography, and Canadian Society of Echocardiography. J Am Soc Echocardiogr 2009; 22:975-1014; quiz 1082-4. [PMID: 19733789 DOI: 10.1016/j.echo.2009.07.013] [Citation(s) in RCA: 924] [Impact Index Per Article: 61.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- William A Zoghbi
- Methodist DeBakey Heart and Vascular Center, Houston, Texas, USA
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12
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Mahmood F, Fritsch M, Maslow A. Unanticipated mild-to-moderate aortic stenosis during coronary artery bypass graft surgery: scope of the problem and its echocardiographic evaluation. J Cardiothorac Vasc Anesth 2009; 23:869-77. [PMID: 19589698 DOI: 10.1053/j.jvca.2009.03.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2008] [Indexed: 11/11/2022]
Affiliation(s)
- Feroze Mahmood
- Department of Anesthesia and Critical Care, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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13
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14
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Clinical utility of Doppler echocardiography in assessing aortic stenosis severity and predicting need for intervention in children. Pediatr Cardiol 2008; 29:507-14. [PMID: 18080153 DOI: 10.1007/s00246-007-9169-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2007] [Revised: 11/04/2007] [Accepted: 11/17/2007] [Indexed: 10/22/2022]
Abstract
The optimal echocardiographic methodology for predicting need for intervention in children with valvar aortic stenosis (VAS) is not known. We reviewed echocardiograms and catheterization reports of 79 children (aged 9.5 +/- 5.9 years) with isolated VAS. The maximum and mean Doppler-predicted gradients from the apical (MIGAP), MEGAP)) and the suprasternal or right parasternal (MIGHP), MEGHP)) windows were measured. The peak-to-peak catheterization gradient and the intervention (if any) were recorded. All sites and methods of Doppler estimation of VAS gradient correlated in a linear fashion with the invasive gradient (R2 = 0.34-0.50) and with one another (R2 = 0.48-0.86). MIGAP and MIGHP overestimated the invasive gradient in 60% and 86% of patients, whereas MEGAP and MEGHP underestimated the invasive gradient in 94% and 83% of patients, respectively. Age and diameter of the ascending aorta had small but significant effects on the level of agreement. A MIGHP < or = 55 mm Hg predicted no intervention with 100% accuracy, whereas the specificities of a MIGHP > 90 mm Hg, a MEGAP > 50 mm Hg, and a (MIGAP + MIGHP)/2 > 70 mm Hg for intervention were 94%, 100%, and 92%, respectively. The magnitude of overestimation was significantly lower from the apical window. In children with VAS, the best prediction of the catheterization gradient could be based on the average of MIGAP and MIGHP.
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Garcia D, Pibarot P, Durand LG. Analytical modeling of the instantaneous pressure gradient across the aortic valve. J Biomech 2005; 38:1303-11. [PMID: 15863115 DOI: 10.1016/j.jbiomech.2004.06.018] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2003] [Revised: 05/26/2004] [Accepted: 06/20/2004] [Indexed: 10/26/2022]
Abstract
Aortic stenosis is the most frequent valvular heart disease. The mean systolic value of the transvalvular pressure gradient (TPG) is commonly utilized during clinical examination to evaluate its severity and it can be determined either by cardiac catheterization or by Doppler echocardiography. TPG is highly time-dependent over systole and is known to depend upon the transvalvular flow rate, the effective orifice area (EOA) of the aortic valve and the cross-sectional area of the ascending aorta. However it is still unclear how these parameters modify the TPG waveform. We thus derived a simple analytical model from the energy loss concept to describe the instantaneous TPG across the aortic valve during systole. This theoretical model was validated with orifice plates and bioprosthetic heart valves in an in vitro aortic flow model. Instantaneous TPG was measured by catheter and its waveform was compared with the one determined from the transvalvular flow rate, the valvular EOA and the aortic cross-sectional area, using the derived equation. Our results showed a very good concordance between the measured and predicted instantaneous TPG. The analytical model proposed and validated in this study provides a comprehensive description of the aortic valve hemodynamics that can be used to accurately predict the instantaneous transvalvular pressure gradient in native and bioprosthetic aortic valves. The consideration of this model suggests that: (1) TPG waveform is exclusively dependent upon transvalvular flow rate and flow geometry, (2) the frequently applied simplified Bernoulli equation may overestimate mean TPG by more than 30% and (3) the measurement of ejection time by cardiac catheterization may underestimate the actual ejection time, especially in patients with mild/moderate aortic stenosis and low cardiac output.
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Affiliation(s)
- Damien Garcia
- Biomedical Engineering Laboratory, Clinical Research Institute of Montreal, Montreal, QC, Canada.
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Affiliation(s)
- Arthur E Weyman
- Cardiac Ultrasound Laboratory, Res. Echocardiography, Boston, Massachusetts 02114, USA.
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