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Items from 1 to 20 out of 970 results

article

Mitral valve three‐dimensional anatomic assessment for predicting systolic anterior motion during dobutamine stress echocardiography: Where are we now?

Luca Dell'Angela, Gian Luigi Nicolosi

Echocardiography > 41 > 8 > n/a - n/a

article

Three‐dimensional anatomic features of the mitral valve that predict systolic anterior motion occurring during dobutamine stress echocardiography

Patrick Meimoun, Vanessa Kacy, Agathe Vernier, Valentin Stracchi, more

Echocardiography > 41 > 8 > n/a - n/a

Background/Aim Left ventricular outflow tract obstruction related to systolic anterior motion (SAM) of the mitral valve is a common complication of dobutamine stress echocardiography (DSE). However, the mechanisms underlying SAM have not been fully characterized. The objective of the present study was to use three‐dimensional echocardiography to identify anatomic features of the mitral valve that...

article

Revisiting the anatomy of the left ventricle in the light of knowledge of its development

Adrian Crucean, Diane E. Spicer, Justin T. Tretter, Timothy J. Mohun, more

Journal of Anatomy > 245 > 2 > 201 - 216

Despite centuries of investigation, certain aspects of left ventricular anatomy remain either controversial or uncertain. We make no claims to have resolved these issues, but our review, based on our current knowledge of development, hopefully identifies the issues requiring further investigation. When first formed, the left ventricle had only inlet and apical components. With the expansion of the...

article

Editing of 3D images in echocardiographic evaluation of mitral valve: Is there any correlation with photography?

Sergio Suma

Echocardiography > 41 > 3 > n/a - n/a

Editing of 3D raw images acquired during transesophageal echocardiography could be similar to the post processing of raw images with digital software used in photography. 3D image editing in echocardiography is often underestimated in clinical practice, and people are satisfied with the first 3D image they are able to obtain during transesophageal examination. In fact, it is often believed to represent...

article

Left ventricular assist device implantation and concomitant mitral valve surgery: A systematic review and meta‐analysis

Arian Arjomandi Rad, Ben Fleet, Alina Zubarevich, Sukanya Nanchahal, more

Artificial Organs > 48 > 1 > 16 - 27

Background The management of concomitant valvular lesions in patients undergoing left ventricular assist device (LVAD) implantation remains a topic of debate. This systematic review and meta‐analysis aimed to evaluate the existing evidence on postoperative outcomes following LVAD implantation, with and without concomitant MV surgery. Methods A systematic database search was conducted as per PRISMA...

article

Generic framework for quantifying the influence of the mitral valve on ventricular blood flow

Jan‐Niklas Thiel, Ulrich Steinseifer, Michael Neidlin

International Journal for Numerical Methods in Biomedical Engineering > 39 > 11 > n/a - n/a

Blood flow within the left ventricle provides important information regarding cardiac function in health and disease. The mitral valve strongly influences the formation of flow structures and there exist various approaches for the representation of the valve in numerical models of left ventricular blood flow. However, a systematic comparison of the various mitral valve models is missing, making a...

article

Balloon‐assisted leaflet modification: Gaining momentum with innovative approaches

James M. McCabe, Tarek Helmy

Catheterization and Cardiovascular Interventions > 102 > 5 > 962 - 963

article

Comparative anatomy of the mitral valve in four species (human, ovine, porcine and canine): A pre‐clinical perspective

Morlet Alexis, Fiette Laurence, Genain Marie‐Aude, Latrémouille Christian, more

Anatomia, Histologia, Embryologia > 52 > 6 > 927 - 935

This study aimed to provide comparative anatomical data on the mitral valve and to substantiate the choice between large species for pre‐clinical testing of cardiac devices. Different anatomical parameters of the anterior and posterior leaflets, chordae and papillary muscles were measured to characterize the anatomy of the mitral valve in 10 individuals for each four species. Ratios were calculated...

article

Structural properties in ruptured mitral chordae tendineae measured by synchrotron‐based X‐ray phase computed tomography

Yojiro Koda, Takuro Tsukube, Masato Hoshino, Naoto Yagi, more

Journal of Synchrotron Radiation > 30 > 5 > 995 - 1002

The link between the structural properties and the rupturing of chordae tendineae in the mitral valve complex is still unclear. Synchrotron‐radiation‐based X‐ray phase computed tomography (SR‐XPCT) imaging is an innovative way to quantitatively analyze three‐dimensional morphology. XPCT has been employed in this study to evaluate the chordae tendineae from patients with mitral regurgitation and to...

article

CarpNet: Transformer for mitral valve disease classification in echocardiographic videos

Majid Vafaeezadeh, Hamid Behnam, Ali Hosseinsabet, Parisa Gifani

International Journal of Imaging Systems and Technology > 33 > 5 > 1505 - 1514

Mitral valve (MV) diseases constitute one of the etiologies of cardiovascular mortality and morbidity. MV pathologies need evaluating and classifying via echocardiographic videos. Transformers have significantly advanced video analytics. MV motion is divided by Carpentier functional classification into four types: normal, increased, restricted, and restricted only during systole. This paper introduces...

article

Prognostic value of mitral regurgitation in patients undergoing left ventricular assist device deployment: A systematic review and meta‐analysis

Arian Arjomandi Rad, Alina Zubarevich, Viraj Shah, Ogulcan Yilmaz, more

Artificial Organs > 47 > 8 > 1250 - 1261

Background Left ventricular assist devices (LVADs) represent an important therapeutic option for patients progressing to end‐stage heart failure. LVAD has previously been shown to have a promising role in improving mitral regurgitation (MR). Nevertheless, the prognostic value of preoperative uncorrected MR in this population remains unclear. Methods A systematic database search with meta‐analysis...

article

Regional geometric differences between regurgitant and non‐regurgitant mitral valves in patients with coronary artery disease

Aidan Sharkey, Feroze Mahmood, Ting Hai, Arash Khamooshian, more

Echocardiography > 40 > 8 > 750 - 759

Objective Demonstrate that regional geometric differences exist between regurgitant and non‐regurgitant mitral valves (MV's) in patients with coronary artery disease and due to the heterogenous and regional nature of ischemic remodeling in patients with coronary artery disease (CAD), that the available anatomical reserve and likelihood of developing mitral regurgitation (MR) is variable in non‐regurgitant...

article

Williams‐Beuren syndrome associated with hammock mitral valve: First case report

Kevin Velarde‐Acosta, Roberto Baltodano‐Arellano, Angela Cachicatari‐Beltran, José M. Medina‐Maguiña, more

Echocardiography > 40 > 3 > 285 - 288

Williams‐Beuren syndrome (WBS) is a multisystem congenital disorder, whose cardiovascular defects are the leading cause of death. We present the case of a 38‐year‐old man with features of heart failure. The imaging studies showed a typical supravalvular aortic stenosis and a hammock mitral valve, this last, being a rare congenital disease. This is the first case reported of a hammock mitral valve...

article

Three‐dimensional cardiac computed tomography compared with autopsied material for the assessment of the mitral valve

Agata Krawczyk‐Ożóg, Mateusz K. Hołda, Jakub Batko, Stanisław Bartuś, more

Clinical Anatomy > 36 > 2 > 250 - 255

To compare the morphometrical features of non‐diseased mitral valves imaged in three‐dimensional (3D) cardiac computed tomography with those analyzed macroscopically in autopsied healthy human hearts. A total of 51 cardiac computed tomography scans and 120 adult autopsied human hearts without cardiovascular disease were examined. The 3D reconstruction and visualization software (Mimics Innovation...

article

Mitral valve repair for endocarditis

Silvia Solari, Emiliano Navarra, Laurent Kerchove, Gebrine El Khoury

Journal of Cardiac Surgery > 37 > 12 > 4097 - 4102

Many authors have reported their results of mitral valve (MV) repair (MVr) in acute and healed endocarditis. However, the results published by different authors highlight the fact that the reparability rate for this indication remains low. Over the last three decades, our group has adopted an early and repair‐oriented approach to infective endocarditis with the objective to improve the repair rate...

article

Early mortality and neurologic outcomes following mitral valve surgery in the very elderly

Daniel J. P. Burns, Gianni D. Angelini, Umberto Benedetto, Massimo Caputo, more

Journal of Cardiac Surgery > 37 > 12 > 4510 - 4516

Objectives Valve repair is the gold standard for treatment of degenerative mitral valve disease. As the population ages, patients undergoing valve degeneration and therefore considered for mitral valve surgery will naturally be getting older. We sought to evaluate whether mitral repair retained a survival advantage over replacement in patients ≥80 years old. Methods A retrospective cohort study...

article

Anomalous papillary muscle insertion into mitral valve leaflet: Autopsy study and implications

Aleksa Leković, Vladimir Živković, Slobodan Nikolić

Journal of Forensic Sciences > 68 > 1 > 176 - 184

Anomalous papillary muscle (APM) insertion into the anterior mitral valve leaflet is often associated with hypertrophic cardiomyopathy (HCM) but is reported in other cases as a rare finding. Mere presence does not strictly imply hemodynamic disturbance, and several types exist, with various impacts on left ventricular outflow tract (LVOT) obstruction. The interpretation of isolated anomaly is challenging...

article

Transcatheter therapies for severe aortic and mitral stenosis: To stage or not to stage?

Amer Abdulla, Hani Jneid

Catheterization and Cardiovascular Interventions > 100 > 5 > 901 - 902

article

Commentary to: “Comparing midterm outcomes” of Cox‐Maze procedure and pulmonary vein isolation for atrial fibrillation after concomitant mitral valve surgery: A “systematic review”

Marco Moscarelli, Khalil Fattouch

Journal of Cardiac Surgery > 37 > 11 > 3811 - 3812

There is no solid evidence from the literature that compare Cox‐Maze with pulmonary vein isolation techniques for atrial fibrillation in the context of concomitant mitral valve surgery. Although the first is perhaps more effective and linked to higher freedom from atrial fibrillation, it is more invasive compared to the pulmonary isolation.

article

Minimally invasive mitral valve surgery with or without robotics: Examining the evidence

Hiroto Kitahara, Husam H. Balkhy

Journal of Cardiac Surgery > 37 > 10 > 3276 - 3278

Minimally invasive mitral valve surgery can be performed with or without robotic assistance. In this issue of the journal, Zheng et al. compare between these two approaches in a propensity‐matched study over a 5‐year period and show that the two techniques have similar successful short and mid‐term outcomes. Although we are proponents of the robotic approach, we agree with their conclusions and discuss...

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AGING (6)
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Search results

Mitral valve three‐dimensional anatomic assessment for predicting systolic anterior motion during dobutamine stress echocardiography: Where are we now?

Three‐dimensional anatomic features of the mitral valve that predict systolic anterior motion occurring during dobutamine stress echocardiography

Revisiting the anatomy of the left ventricle in the light of knowledge of its development

Editing of 3D images in echocardiographic evaluation of mitral valve: Is there any correlation with photography?

Left ventricular assist device implantation and concomitant mitral valve surgery: A systematic review and meta‐analysis

Generic framework for quantifying the influence of the mitral valve on ventricular blood flow

Balloon‐assisted leaflet modification: Gaining momentum with innovative approaches

Comparative anatomy of the mitral valve in four species (human, ovine, porcine and canine): A pre‐clinical perspective

Structural properties in ruptured mitral chordae tendineae measured by synchrotron‐based X‐ray phase computed tomography

CarpNet: Transformer for mitral valve disease classification in echocardiographic videos

Prognostic value of mitral regurgitation in patients undergoing left ventricular assist device deployment: A systematic review and meta‐analysis

Regional geometric differences between regurgitant and non‐regurgitant mitral valves in patients with coronary artery disease

Williams‐Beuren syndrome associated with hammock mitral valve: First case report

Three‐dimensional cardiac computed tomography compared with autopsied material for the assessment of the mitral valve

Mitral valve repair for endocarditis

Early mortality and neurologic outcomes following mitral valve surgery in the very elderly

Anomalous papillary muscle insertion into mitral valve leaflet: Autopsy study and implications

Transcatheter therapies for severe aortic and mitral stenosis: To stage or not to stage?

Commentary to: “Comparing midterm outcomes” of Cox‐Maze procedure and pulmonary vein isolation for atrial fibrillation after concomitant mitral valve surgery: A “systematic review”

Minimally invasive mitral valve surgery with or without robotics: Examining the evidence

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