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Fadel BM, Mohty D, Kazzi BE, Alamro B, Arshi F, Mustafa M, Echahidi N, Aboyans V. Ultrasound Imaging of the Abdominal Aorta: A Comprehensive Review. J Am Soc Echocardiogr 2021; 34:1119-1136. [PMID: 34224827 DOI: 10.1016/j.echo.2021.06.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/10/2021] [Accepted: 06/10/2021] [Indexed: 11/28/2022]
Abstract
Ultrasound is the imaging modality of choice for the initial evaluation of disorders that involve the abdominal aorta (AA). The diagnostic value of ultrasound resides in its ability to allow assessment of the anatomy and structure of the AA using two- dimensional, three-dimensional, and contrast-enhanced imaging. Moreover, ultrasound permits evaluation of the physiologic and hemodynamic consequences of abnormalities through Doppler interrogation of blood flow, thus enabling the identification and quantification of disorders within the AA and beyond its boundaries. The approach to ultrasound imaging of the AA varies, depending on the purpose of the study and whether it is performed in a radiology or vascular laboratory or in an echocardiography laboratory. The aim of this review is to demonstrate the usefulness of ultrasound imaging for the detection and evaluation of disorders that involve the AA, detail the abnormalities that are detected or further assessed, and outline its value for echocardiographers, sonographers, and radiologists.
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Affiliation(s)
- Bahaa M Fadel
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia; Alfaisal University, Riyadh, Saudi Arabia.
| | - Dania Mohty
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia; Alfaisal University, Riyadh, Saudi Arabia; Department of Cardiology, Dupuytren-2 University Hospital, and Inserm 1094 & IRD, Limoges University, Limoges, France
| | | | - Bandar Alamro
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia; Alfaisal University, Riyadh, Saudi Arabia
| | - Fatima Arshi
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
| | - Manal Mustafa
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
| | - Najmeddine Echahidi
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia; Department of Cardiology, Dupuytren-2 University Hospital, and Inserm 1094 & IRD, Limoges University, Limoges, France
| | - Victor Aboyans
- Department of Cardiology, Dupuytren-2 University Hospital, and Inserm 1094 & IRD, Limoges University, Limoges, France
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Abellán-Huerta J, Bonaque-González JC, Rubio-Patón R, García-Gómez J, Egea-Beneyto S, Soria-Arcos F, Consuegra-Sánchez L, Soto-Ruiz RM, Ramos-Martín JL, Castillo-Moreno JA. Integral Velocidade-Tempo da Insuficiência Aórtica: Um Novo Marcador Ecocardiográfico na Avaliação da Gravidade da Insuficiência Aórtica. Arq Bras Cardiol 2020; 115:253-260. [PMID: 32696853 PMCID: PMC8384281 DOI: 10.36660/abc.20190243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/18/2019] [Indexed: 11/18/2022] Open
Abstract
Fundamento A ecocardiografia é essencial para o diagnóstico e a quantificação da insuficiência aórtica (IA). A integral velocidade-tempo (IVT) do fluxo da IA pode estar relacionada à gravidade da IA. Objetivo Este estudo tem por objetivo avaliar se a IVT é um marcador ecocardiográfico de gravidade da IA. Métodos Foram incluídos todos os pacientes com IA nativa moderada ou grave e ritmo sinusal que visitaram o nosso laboratório de imagem entre janeiro e outubro de 2016. Todos os indivíduos foram submetidos a um ecocardiograma completo com medição da IVT da IA. A associação entre a IVT e a gravidade da IA foi analisada por regressão logística e modelos de regressão multivariada. Valores p<0,05 foram considerados estatisticamente significativos. Resultados Entre os 62 pacientes incluídos (68,5±14,9 anos; 64,5%: IA moderada; 35,5%: IA grave), a IVT foi maior em indivíduos com IA moderada em comparação àqueles com IA grave (2,2±0,5 m versus 1,9±0,5 m, p=0,01). Pacientes com IA grave apresentaram valores maiores de diâmetro diastólico final do ventrículo esquerdo (DDFVE) (56,1±7,1 mm versus 47,3±9,6 mm, p=0,001), volume diastólico final do ventrículo esquerdo (VDFVE) (171±36,5 mL versus 106±46,6 mL, p<0,001), orifício regurgitante efetivo (0,44±0,1 cm2 versus 0,18±0,1 cm2, p=0,002) e volume regurgitante (71,3±25,7 mL versus 42,5±10,9 mL, p=0,05), assim como menor fração de ejeção do ventrículo esquerdo (FEVE) (54,1±11,2% versus 63,2±13,3%, p=0,012). A IVT mostrou ser um marcador de gravidade da IA, independentemente do DDFVE, VDFVE e FEVE ( odds ratio 0,160, p=0,032) e da frequência cardíaca e pressão arterial diastólica (PAD) ( odds ratio 0,232, p=0,044). Conclusões A IVT do fluxo da IA apresentou associação inversa com a gravidade da IA, independentemente do diâmetro e volume do ventrículo esquerdo, frequência cardíaca, PAD e FEVE. A IVT pode ser um marcador de gravidade da IA em pacientes com IA nativa e ritmo sinusal. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0)
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Pagel PS, Boettcher BT, De Vry DJ, Freed JK, Iqbal Z. Moderate Aortic Valvular Insufficiency Invalidates Vortex Formation Time as an Index of Left Ventricular Filling Efficiency in Patients With Severe Degenerative Calcific Aortic Stenosis Undergoing Aortic Valve Replacement. J Cardiothorac Vasc Anesth 2016; 30:1260-5. [PMID: 27474333 DOI: 10.1053/j.jvca.2016.03.144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Transmitral blood flow produces a vortex ring (quantified using vortex formation time [VFT]) that enhances the efficiency of left ventricular (LV) filling. VFT is attenuated in LV hypertrophy resulting from aortic valve stenosis (AS) versus normal LV geometry. Many patients with AS also have aortic insufficiency (AI). The authors tested the hypothesis that moderate AI falsely elevates VFT by partially inhibiting mitral leaflet opening in patients with AS. DESIGN Observational study. SETTING Veterans Affairs medical center. PARTICIPANTS Patients with AS in the presence or absence of moderate AI (n = 8 per group) undergoing aortic valve replacement (AVR) were studied after institutional review board approval. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Under general anesthesia, peak early LV filling (E) and atrial systole (A) blood flow velocities and their corresponding velocity-time integrals were obtained using pulse-wave Doppler transesophageal echocardiography (TEE) to determine E/A and atrial filling fraction (beta). Mitral valve diameter (D) was calculated as the average of major and minor axis lengths obtained in the midesophageal bicommissural (transcommissural anterior-lateral-posterior medial) and LV long-axis (anterior-posterior) TEE imaging planes, respectively. VFT was calculated as 4·(1-beta)·SV/πD(3), where SV = stroke volume measured using thermodilution. Hemodynamics, diastolic function, and VFT were determined during steady-state conditions before cardiopulmonary bypass. The severity of AS (mean and peak pressure gradients, peak transvalvular jet velocity, aortic valve area) and diastolic function (E/A, beta) were similar between groups. Moderate centrally directed AI was present in 8 patients with AS (ratio of regurgitant jet width to LV outflow tract diameter of 36±6%). Pulse pressure and mean pulmonary artery pressure were elevated in patients with versus without AI, but no other differences in hemodynamics were observed. Mitral valve minor and major axis lengths, diameter, and area were reduced in the presence versus the absence of AI. VFT was increased significantly (5.7±1.7 v 3.2±0.6; p = 0.00108) in patients with AS and AI compared with AS alone. CONCLUSION Moderate AI falsely elevates VFT in patients with severe AS undergoing AVR by partially inhibiting mitral valve opening. VFT may be an unreliable index of LV filling efficiency with competitive diastolic flow into the LV.
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Affiliation(s)
- Paul S Pagel
- Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
| | - Brent T Boettcher
- Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI
| | - Derek J De Vry
- Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI
| | - Julie K Freed
- Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI
| | - Zafar Iqbal
- Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI
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Abdelghani M, Soliman OI, Schultz C, Vahanian A, Serruys PW. Adjudicating paravalvular leaks of transcatheter aortic valves: a critical appraisal. Eur Heart J 2016; 37:2627-44. [DOI: 10.1093/eurheartj/ehw115] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 03/01/2016] [Indexed: 12/18/2022] Open
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Affiliation(s)
- Peter von Homeyer
- From the Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington
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Picard FA, Garçon P, Chaudeurge A, Simion C, Cador R. [Planimetric measurement of the regurgitant orifice area using tridimensional transoesophageal echocardiography for aortic regurgitation, reproducibility and feasibility]. Ann Cardiol Angeiol (Paris) 2014; 63:293-299. [PMID: 24953201 DOI: 10.1016/j.ancard.2014.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2014] [Accepted: 05/14/2014] [Indexed: 06/03/2023]
Abstract
BACKGROUND Aortic regurgitation is mainly evaluated by trans-thoracic echocardiography using multi-parametric qualitative and semi quantitative tools. All those parameters can fail to meet expectations, resulting in an imperfect diagnostic reliability and assessment of aortic regurgitation severity can be challenging. OBJECTIVES We sought to evaluate feasibility and intra- and inter-observer reproducibility of aortic regurgitant orifice area measured by planimetry with tridimensional trans-esophageal echocardiography on patients with at least grade 2/4 aortic regurgitation. PATIENTS AND METHODS Consecutive patients with at least grade 2/4 aortic regurgitation measured by trans-thoracic echocardiography and referred for trans-esophageal echocardiography for any reason were included. Planimetric reconstructions of regurgitant orifice area were studied and reproducibility indexes between senior and junior observers were calculated. RESULTS Twenty-three patients were included in this study. Intra- and inter-observer reproducibility were excellent with an ICC of 0.95 [0.88-0.98], P<0.0001 and 0.91 [0.79-0.96], P<0.0001, respectively. Mean length of the measurement was 6.6±0.9min [CI95% 6.23-7.01]. CONCLUSION Planimetric measurement of the aortic regurgitant orifice using tridimensional trans-esophageal echocardiography seems to be feasible and has great intra- and inter-observer reproducibility. Reconstruction durations were compatible with a daily use. There is a need now to investigate the reliability of this measurement as compared with the reference technique.
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Affiliation(s)
- F-A Picard
- Service de cardiologie, groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France.
| | - P Garçon
- Service de cardiologie, groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
| | - A Chaudeurge
- Service de cardiologie, groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
| | - C Simion
- Service de cardiologie, groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
| | - R Cador
- Service de cardiologie, groupe hospitalier Paris Saint-Joseph, 185, rue Raymond-Losserand, 75014 Paris, France
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Fadel BM, Bakarman H, Al-Admawi M, Bech-Hanssen O, Di Salvo G. Pulse-wave Doppler interrogation of the abdominal aorta: a window to the left heart and vasculature. Echocardiography 2014; 31:543-7. [PMID: 24702564 DOI: 10.1111/echo.12531] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Systematic imaging of the abdominal aorta during transthoracic echocardiography is advocated as a useful screening tool for aortic aneurysms. The addition of pulse Doppler interrogation to the two-dimensional imaging can be highly valuable and provides incremental hemodynamic information regarding a wide spectrum of diseases that involve the left heart, aorta, and vasculature. In this manuscript, we review the usefulness of pulse Doppler recording of the abdominal aorta and provide case examples of its value in various disease states.
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Affiliation(s)
- Bahaa M Fadel
- King Faisal Specialist Hospital & Research Center, Riyadh, Saudi Arabia
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Bijuklic K, Tuebler T, Reichenspurner H, Treede H, Wandler A, Harreld JH, Low RI, Schofer J. Midterm stability and hemodynamic performance of a transfemorally implantable nonmetallic, retrievable, and repositionable aortic valve in patients with severe aortic stenosis. Up to 2-year follow-up of the direct-flow medical valve: a pilot study. Circ Cardiovasc Interv 2011; 4:595-601. [PMID: 22128202 DOI: 10.1161/circinterventions.111.964072] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Misplacement during percutaneous aortic valve implantation can be associated with severe complications. The direct flow medical (DFM) valve is repositionable and retrievable; however, the nonmetallic inflatable and conformable design of the valve results in less radial force, which may have an impact on stability and valve function over time. We, therefore, analyzed the midterm stability of the position, shape, and hemodynamic performance of the DFM percutaneous aortic valve. METHODS AND RESULTS Sixteen symptomatic high-risk for surgery patients with aortic stenosis and a logistic EuroSCORE >20 underwent implantation and were the subject of this analysis. Clinical, echocardiographic, and dual-source multislice computed tomography data were obtained during 2-year follow-up. The 1- and 2-year survival rates were 81% and 69%, respectively. The dual-source multislice computed tomography follow-up indicated no changes in position, diameter, and orifice area of the DFM valve over time. Echocardiography revealed a significant decrease of the mean gradient from baseline (50.1±11.3 mm Hg) to 30 days (19.6±5.7 mm Hg, P<0.001), which remained stable over 2 years. The aortic valve area increased from 0.57±0.15 cm(2) at baseline to 1.47±0.35 cm(2) at 30 days (P<0.001) and did not significantly change during 2-year follow-up. Of the patients, 73% had no aortic regurgitation (AR) and 27% had minimal AR. CONCLUSIONS In this preliminary series, the 2-year follow-up data of patients, in whom the nonmetallic, repositionable, and retrievable DFM valve was successfully implanted, show stability of the position, shape, and hemodynamic performance, with no AR in most patients.
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Affiliation(s)
- Klaudija Bijuklic
- Medical Care Center Prof Mathey, Prof Schofer, Hamburg University Cardiovascular Center, Hamburg University Heart Center, and Radiologische Allianz, Hamburg, Germany
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Goda A, Nakao S, Yuba M, Shimizu M, Otsuka M, Sakoda T, Ohyanagi M, Lee M, Tsujino T, Masuyama T. Assessment of Aortic Regurgitation by Analyzing Intensity of Continuous-Wave Doppler Signals. J Echocardiogr 2005. [DOI: 10.2303/jecho.3.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Chen M, Luo H, Miyamoto T, Atar S, Kobal S, Rahban M, Brasch AV, Makkar R, Neuman Y, Naqvi TZ, Tolstrup K, Siegel RJ. Correlation of echo-Doppler aortic valve regurgitation index with angiographic aortic regurgitation severity. Am J Cardiol 2003; 92:634-5. [PMID: 12943896 DOI: 10.1016/s0002-9149(03)00743-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We assessed aortic regurgitation (AR) severity by utilizing multiple echo-Doppler variables in comparison with AR severity by aortic root angiography. Patients were divided into 3 groups: mild, moderate, and severe. An AR index (ARI) was developed, comprising 5 echocardiographic parameters: ratio of color AR jet height to left ventricular outlet flow diameter, AR signal density from continuous-wave Doppler, pressure half-time, left ventricular end-diastolic diameter, and aortic root diameter. There was a strong correlation between AR severity by angiography and the calculated echo-Doppler ARI (r = 0.84, p = 0.0001). As validated by aortic angiography, the ARI is an accurate reflection of AR severity.
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Affiliation(s)
- Ming Chen
- Division of Cardiology, Cedars-Sinai Medical Center, Los Angeles, California 90048, USA
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Gill EA, Pittenger B, Otto CM. Evaluación de la severidad y decisiones quirúrgicas en las valvulopatías. Rev Esp Cardiol 2003; 56:900-14. [PMID: 14519278 DOI: 10.1016/s0300-8932(03)76979-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
A better knowledge of the natural history of valvular disease and the advances in surgical techniques are allowing to improve the prognosis of patients with valvular heart disease. At present, imaging techniques, particularly Doppler-echocardiography, is the main tool to determine the diagnosis and prognosis of patients with valvular heart disease. Consequently, decision making in valvular heart disease is now days based on a combination of symptomatic status and echocardiographic findings. The main applications of Doppler-echocardiography with this purpose are summarized in this article. Therapeutic algorithms for patients with valvular heart disease are proposed, as well as the potential application of new imaging modalities appeared in the last years. The state of the art of clinical practice guidelines are also reviewed.
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Affiliation(s)
- Edward A Gill
- Division of Cardiology. Department of Medicine. University of Washington. Seattle, Washington 98104-2499, USA.
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Cioffi G, Stefenelli C. Comparison of left ventricular geometry and left atrial size and function in patients with aortic stenosis versus those with pure aortic regurgitation. Am J Cardiol 2002; 90:601-6. [PMID: 12231084 DOI: 10.1016/s0002-9149(02)02563-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Chronic aortic valve disease can result in distinct adaptive left ventricular (LV) geometric patterns, which has different effects on LV function and left atrial (LA) performance. In this study we assessed the effect of LV geometry on LA size and function, and we verified the relation between LA size and LV mass in patients with distinct LV overload subsets. We analyzed 183 patients with aortic valve disease who underwent a complete echocardiographic evaluation. Based on the type of valvular dysfunction, patients were classified into 2 groups: 141 patients with aortic stenosis (group AS) and 42 patients with pure aortic regurgitation (group AR). Each of these 2 groups were then divided into those with a concentric LV pattern and those with an eccentric pattern. Both LA size and LA ejection force were significantly greater in group AS than group AR, particularly in patients with a concentric LV pattern. The degree of LA enlargement depended on LV mass in the patients with a concentric LV pattern (group AS r = 0.61, p <0.00001; group AR r = 0.38, p = 0.04). In contrast, no relation was found between LA size and LV mass in the patients with an eccentric pattern, independently of the type of valve dysfunction. Our results indicate that the influence of LV geometry on LA size and function in patients with aortic valve disease is relevant. A concentric LV pattern is associated with greater LA size and higher ejection than an eccentric pattern, suggesting that chronic LV pressure overload more than volume overload has a greater effect on stimulating increases in LA performance. The degree of LA enlargement depends on LV mass in patients with a concentric LV pattern, whereas it was unpredictable in those with an eccentric LV pattern.
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Affiliation(s)
- Giovanni Cioffi
- Department of Cardiology, Villa Bianca Hospital, Trento, Italy.
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Abstract
Echocardiography is a reliable and reproducible method for evaluation of aortic insufficiency (AI). AI has a variety of etiologies, including congenital or acquired, and may present as an acute situation or as a chronic condition. Regardless of the clinical presentation, patient symptoms and physical signs may not be present unless the AI has progressed to a moderate or severe degree. As the severity of AI increases, there are changes in the pathophysiology of the heart, including an increase in left ventricle dimensions and chamber compliance. Echocardiographic methods to evaluate AI include two-dimensional, m-mode, color flow imaging, and pulsed wave and continuous wave Doppler. The combined use of multiple techniques provides more thorough and accurate quantification, both during follow-up of the disease process and after surgical correction.
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Affiliation(s)
- S. Michelle Bierig
- Echocardiography Laboratory, St. Louis University Health Science Center, Department of Cardiology, 14th Fl., 3635 Vista Ave at Grand, St. Louis, MO 63110
| | - Alan D. Waggoner
- Cardiovascular Imaging and Clinical Research Core Laboratory, Barnes-Jewish Hospitals and Washington University School of Medicine, St. Louis, Missouri
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Evangelista A, del Castillo HG, Calvo F, Permanyer-Miralda G, Brotons C, Angel J, González-Alujas T, Tornos P, Soler-Soler J. Strategy for optimal aortic regurgitation quantification by Doppler echocardiography: agreement among different methods. Am Heart J 2000; 139:773-81. [PMID: 10783209 DOI: 10.1016/s0002-8703(00)90007-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND Although different Doppler methods have been validated for aortic regurgitation quantification, the benefit of combining information from different methods has not been defined. METHODS Our study included 2 phases. In the initial phase (60 patients), Doppler parameters (jet width, short-axis jet area, apical jet area, regurgitant fraction from pulmonary and mitral flow, and deceleration slope) were correlated with angiography; range values for each severity grade were defined and intraobserver and interobserver and intermachine variability were studied. In the validation phase (158 patients), defined value ranges were prospectively tested and a strategy based on considering as the definitive severity grade that in which the two best methods agreed was tested. RESULTS Jet width had the best correlation with angiography (r = 0.91), and its ratio with the left ventricular outflow diameter did not improve the correlation (r = 0.85) and decreased reproducibility. Apical jet area and regurgitant fraction from pulmonary flow permitted acceptable quantification (r = 0.87 and 0.86, respectively) but with worse reproducibility. The other methods were not assessable in 20% to 30% of studies. Concordance with angiography decreased in jet width when the jet was eccentric (90% vs 77%, P <.01), in apical jet area when mitral valve disease was present (84% vs 65%, P <.02), and in short-axis jet area and regurgitant fraction from pulmonary flow with concomitant aortic stenosis (77% vs 44%, P <.002 and 77% vs 53%, P <.02, respectively). Agreement with angiography was very high (94 [95%] of 99) when severity grade coincided in both jet width and apical jet area. In 59 cases without concordance, regurgitant fraction from pulmonary flow was used as a third method. Overall, this strategy permitted concordance with angiography in 146 patients (92%). CONCLUSIONS Jet width is the best predictor in aortic regurgitation quantification by Doppler echocardiography. However, better results were obtained when a strategy based on concordance between jet width and another Doppler method was established, particularly when the jet was eccentric.
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Affiliation(s)
- A Evangelista
- Servei de Cardiologia, Hospital General Universitari Vall D'Hebron, Barcelona, Spain.
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Mizushige K, Nozaki S, Ohmori K, Matsuo H. Evaluation of effective aortic regurgitant orifice area and its effect on aortic regurgitant volume with Doppler echocardiography. Angiology 2000; 51:241-6. [PMID: 10744012 DOI: 10.1177/000331970005100308] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The authors measured the aortic regurgitant orifice area (ROA) using Doppler echocardiography and attempted to clarify how important the ROA is in determining the regurgitant volume (RV) in 22 patients with chronic aortic regurgitation (AR). The RV was calculated from the difference between the left ventricular ejection flow volume and transmitral inflow volume as measured by Doppler echocardiography. The ROA was obtained by two methods: RV/time velocity integral of AR jet measured by continuous wave Doppler (calculation method) and manual tracing of minimum cross-sectional area of short-axis color Doppler. The RV ranged from 10 to 90 mL/beat and the ROA by calculation method was from 0.05 to 0.35 cm2, which showed a strong correlation (r = 0.93, p < 0.001). The time velocity integral of aortic regurgitant jet showed a poor correlation with the RV (r = 0.45, p < 0.05). The values of ROA by the two methods showed a good correlation (r = 0.93, p < 0.001). Thus, the authors conclude that the ROA is a basic determinant of the RV in AR and that color Doppler can be employed to precisely assess the ROA.
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Affiliation(s)
- K Mizushige
- Second Department of Internal Medicine, Kagawa Medical University, Japan.
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