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https://www.readbyqxmd.com/read/29029001/comparative-study-of-bicuspid-vs-tricuspid-aortic-valve-stenosis
#1
Geoffrey D Huntley, Jeremy J Thaden, Said Alsidawi, Hector I Michelena, Joseph J Maleszewski, William D Edwards, Christopher G Scott, Sorin V Pislaru, Patricia A Pellikka, Kevin L Greason, Naser M Ammash, Joseph F Malouf, Maurice Enriquez-Sarano, Vuyisile T Nkomo
Aims: To examine differences and similarities in bicuspid aortic valve (BAV) and tricuspid aortic valve (TAV) stenosis occurring during the same age and whether any differences impact outcomes following aortic valve replacement (AVR). Methods and results: An age-matched cohort of 198 BAV stenosis and 198 TAV stenosis patients was identified from 888 consecutive patients undergoing AVR for severe AS. Mean age 68 ± 6 years; 68% male. Patients with BAV were less likely to have multiple comorbidities, as measured by the Charlson Comorbidity Index (CCI) >2 (3 vs...
October 3, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29026415/two-cases-of-parachute-tricuspid-valve-confirmed-by-three-dimensional-echocardiography
#2
Hedieh Alimi, Afsoon Fazlinezhad
BACKGROUND: Parachute tricuspid valve is a rare congenital malformations explained in the literature. In most cases, this malformation coexists with other congenital defects. The importance of this condition depends on its functional consequences. CASE REPORT: First case was a 52-year-old female patient presented with palpitation. She had a history of paroxysmal supraventricular tachycardia. Transthoracic echocardiography revealed large secundum type atrial septal defect and all the tricuspid valve leaflets appeared to be connected to a single calcified papillary muscle in right ventricle suggestive of parachute tricuspid valve...
March 2017: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/29020232/staging-classification-of-aortic-stenosis-based-on-the-extent-of-cardiac-damage
#3
Philippe Généreux, Philippe Pibarot, Björn Redfors, Michael J Mack, Raj R Makkar, Wael A Jaber, Lars G Svensson, Samir Kapadia, E Murat Tuzcu, Vinod H Thourani, Vasilis Babaliaros, Howard C Herrmann, Wilson Y Szeto, David J Cohen, Brian R Lindman, Thomas McAndrew, Maria C Alu, Pamela S Douglas, Rebecca T Hahn, Susheel K Kodali, Craig R Smith, D Craig Miller, John G Webb, Martin B Leon
Aims: In patients with aortic stenosis (AS), risk stratification for aortic valve replacement (AVR) relies mainly on valve-related factors, symptoms and co-morbidities. We sought to evaluate the prognostic impact of a newly-defined staging classification characterizing the extent of extravalvular (extra-aortic valve) cardiac damage among patients with severe AS undergoing AVR. Methods and results: Patients with severe AS from the PARTNER 2 trials were pooled and classified according to the presence or absence of cardiac damage as detected by echocardiography prior to AVR: no extravalvular cardiac damage (Stage 0), left ventricular damage (Stage 1), left atrial or mitral valve damage (Stage 2), pulmonary vasculature or tricuspid valve damage (Stage 3), or right ventricular damage (Stage 4)...
July 21, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29017405/outcomes-of-transcatheter-aortic-valve-replacement-for-bicuspid-aortic-stenosis-a-systematic-review-of-existing-literature
#4
Samir V Patel, Rajesh Sonani, Vikas Singh, Palak Patel, Apurva Badheka
Patients with bicuspid aortic valve (BAV) have traditionally been excluded from large randomized clinical trials involving transcatheter aortic valve replacements (TAVR). Technical enhancements, availability of new generation devices and improved outcomes have led to a marked increase in TAVR volume across the world including off label use in patients with BAV stenosis. Areas covered: In this manuscript, we have reviewed the currently available data regarding safety, efficacy, and outcomes of TAVR in patients with BAV stenosis...
October 10, 2017: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/28994682/successful-surgical-osteoplasty-of-the-left-main-coronary-artery-with-concomitant-mitral-valve-replacement-and-tricuspid-annuloplasty
#5
Ujjwal Kumar Chowdhury, Abhinav Singh Chauhan, Poonam Malhotra Kapoor, Suruchi Hasija, Priya Jagia, Pradeep Ramakrishnan
A 50-year-old woman with rheumatic heart disease, mitral stenosis, and critical isolated left main ostial stenosis was successfully treated by mitral valve replacement, tricuspid annuloplasty, and surgery of left main osteoplasty and is reported for its rarity. Notable clinical findings included an intermittently irregular pulse, blood pressure of 100/70 mmHg, cardiomegaly, a diastolic precordial thrill, a mid-diastolic murmur without presystolic accentuation that was loudest at the mitral area. Chest radiograph revealed cardiomegaly with a cardiothoracic ratio of 0...
October 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28978603/percutaneous-balloon-pulmonary-valvuloplasty-pbpv-of-extreme-pulmonary-valve-stenosis-by-the-use-of-accura-balloon
#6
Santosh Kumar Sinha, Vikas Mishra, Mahmadula Razi, Mukesh Jitendra Jha
Transcatheter therapy of valvular pulmonary stenosis is one of first catheter interventions facilitating its application in field of structural heart disease and now treatment of choice for significant pulmonary stenosis. Myriads of balloon catheter have been used for this purpose starting from Diamond (Boston Scientific,Natick, MA USA), Marshal (Medi-Tech,Watertown MAUSA), Innoue balloon, Tyshak I and currently Tyshak II. Diameter and length of balloon depend on size of annulus and age group, respectively...
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28963771/transcatheter-aortic-valve-replacement-for-stenotic-bicuspid-aortic-valves-systematic-review-and-meta-analyses-of-observational-studies
#7
Gautam Reddy, Zhen Wang, Rick A Nishimura, Kevin L Greason, Sung-Han Yoon, Raj R Makkar, David R Holmes
OBJECTIVE: The aim of this study was to perform a systematic review and meta-analyses of observational studies of transcatheter aortic valve replacement (TAVR) for bicuspid aortic valve stenosis (BcAV). BACKGROUND: TAVR for BcAV stenosis has been associated with an increased incidence of paravalvular leaks, valve malposition, pacemaker placement and all-cause mortality. The conclusions drawn have been limited by small sample sizes. The use of TAVR for BcAV stenosis remains controversial...
September 30, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28950334/ascending-aorta-dilatation-rates-in-patients-with-tricuspid-and-bicuspid-aortic-stenosis-the-cofrasa-generac-study
#8
Caroline Kerneis, Nicoletta Pasi, Dimitri Arangalage, Virginia Nguyen, Tiffany Mathieu, Constance Verdonk, Isabelle Codogno, Phalla Ou, Xavier Duval, Sarah Tubiana, Claire Cimadevilla, Alec Vahanian, And David Messika-Zeitoun
Background: Ascending aorta (AA) dilatation is common in aortic valve stenosis (AS) but data regarding AA progression, its determinants and impact of valve anatomy [bicuspid (BAV), or tricuspid (TAV)] are scarce. Methods and Results: Asymptomatic AS patients enrolled in a prospective cohort (COFRASA/GENERAC) with at least 2 years of follow-up were considered in the present analysis. A transthoracic echocardiography (TTE) and a computed tomography (CT) scan were performed at inclusion and yearly thereafter...
July 25, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28942386/the-big-parade-emerging-percutaneous-mitral-and-tricuspid-valve-devices
#9
Dinesh Natarajan, Jubin Joseph, Paolo Denti, Simon Redwood, Bernard Prendergast
Over the last decade, percutaneous intervention for the treatment of aortic stenosis has become commonplace with >300,000 implantations performed worldwide. With this now being an established therapy, focus has shifted to the more intricate challenge of mitral and tricuspid valve disease, where there remains a large population of patients with unmet clinical needs. These complex anatomical structures demand unique approaches to treat a wide range of pathologies involving the valve leaflets, annulus and chordae...
September 24, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28903936/aortic-valve-stenosis-alters-expression-of-regional-aortic-wall-shear-stress-new-insights-from-a-4-dimensional-flow-magnetic-resonance-imaging-study-of-571-subjects
#10
Pim van Ooij, Michael Markl, Jeremy D Collins, James C Carr, Cynthia Rigsby, Robert O Bonow, S Chris Malaisrie, Patrick M McCarthy, Paul W M Fedak, Alex J Barker
BACKGROUND: Wall shear stress (WSS) is a stimulus for vessel wall remodeling. Differences in ascending aorta (AAo) hemodynamics have been reported between bicuspid aortic valve (BAV) and tricuspid aortic valve patients with aortic dilatation, but the confounding impact of aortic valve stenosis (AS) is unknown. METHODS AND RESULTS: Five hundred seventy-one subjects underwent 4-dimensional flow magnetic resonance imaging in the thoracic aorta (210 right-left BAV cusp fusions, 60 right-noncoronary BAV cusp fusions, 245 tricuspid aortic valve patients with aortic dilatation, and 56 healthy controls)...
September 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28890987/impact-of-patient-specific-inflow-velocity-profile-on-hemodynamics-of-the-thoracic-aorta
#11
Pouya Youssefi, Alberto Gomez, Christopher Arthurs, Rajan Sharma, Marjan Jahangiri, Alberto Figueroa
Background-Computational fluid dynamics (CFD) provides a non-invasive method to functionally assess aortic hemodynamics. The thoracic aorta has an anatomically complex inlet comprising of the aortic valve, which is highly prone to different morphologies and pathologies. We investigated the effect of using patient-specific inflow velocity profiles compared to idealised profiles based on the patient's flow waveform. Methods-A healthy 31yo with a normally functioning tricuspid aortic valve (subject A), and a 52yo with a bicuspid aortic valve, aortic valvular stenosis and dilated ascending aorta (subject B) were studied...
September 11, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28886853/comparison-of-efficacy-and-safety-of-transcatheter-aortic-valve-implantation-in-patients-with-bicuspid-versus-tricuspid-aortic-valves
#12
Anna Sannino, Ari Cedars, Robert C Stoler, Molly Szerlip, Michael J Mack, Paul A Grayburn
Bicuspid aortic valve (BAV) stenosis has been considered a contraindication to transcatheter aortic valve implantation (TAVI). The aim of this study is to compare the efficacy and safety of TAVI in patients with BAV with those with tricuspid aortic valve (TAV) using balloon-expandable and self-expanding transcatheter heart valves. This retrospective study included 823 consecutive patients with severe, symptomatic aortic valve stenosis undergoing TAVI in 2 institutions, Baylor Heart and Vascular Hospital (Dallas, TX) and The Heart Hospital Baylor Plano (Plano, TX), from January 2012 to February 2016...
November 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28855450/clinical-implication-of-transaortic-mitral-pannus-removal-during-repeat-cardiac-surgery-for-patients-with-mechanical-mitral-valve
#13
Byungjoon Park, Kiick Sung, Pyo Won Park
BACKGROUND: This study aimed to evaluate the safety and feasibility of transaortic mitral pannus removal (TMPR).Methods and Results:Between 2004 and 2016, 34 patients (median age, 57 years; 30 women) with rheumatic disease underwent pannus removal on the ventricular side of a mechanical mitral valve through the aortic valve during reoperation. The median time interval from the previous surgery was 14 years. TMPR was performed after removal of the mechanical aortic valve (n=21) or diseased native aortic valve (n=11)...
August 31, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28838514/primary-cardiac-leiomyoma-causing-right-ventricular-obstruction-and-tricuspid-regurgitation
#14
Lucio Careddu, Alberto Foà, Ornella Leone, Valentina Agostini, Gaetano Domenico Gargiulo, Claudio Rapezzi, Roberto Di Bartolomeo, Davide Pacini
We report the unique case of a primary cardiac leiomyoma originating from the right ventricle and involving the tricuspid valve in a 43-year-old woman. Echocardiography showed a giant mass causing severe pulmonary stenosis and tricuspid valve regurgitation. The patient underwent surgical excision and histologic examination revealed a primary cardiac leiomyoma. To the best of our knowledge only three cases of primary cardiac leiomyoma have so far been reported, and this is the first case of primary cardiac leiomyoma involving the tricuspid valve apparatus...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28829498/concomitant-mitral-valve-replacement-and-tricuspid-valvuloplasty-for-severe-mitral-stenosis
#15
X-D Hou, F Ding, X-K Wang, X-G Liu, K Yi, P Zhang, T You
OBJECTIVE: The purpose of this work is to analyze the clinical results of treating severe mitral stenosis (MS) with mild to moderate functional tricuspid regurgitation (FTR) with mitral valve replacement (MVR) alone or together with two different methods of tricuspid valvuloplasty (TVP). PATIENTS AND METHODS: We split 132 patients into three groups: simple MVR with 47 cases (control group), MVR+ TVP (De Vega loop reduction) with 45 cases (observation group 1) and MVR+ TVP (Edwards MC3 tricuspid forming ring implantation) with 40 cases (observation group 2)...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28828046/modern-use-of-echocardiography-in-transcatheter-aortic-valve-replacement-an-up-date
#16
Cristina Caldararu, Serban Balanescu
Echocardiography is the cornerstone in the diagnosis of any valvular heart disease. The accurate diagnosis of aortic stenosis, the left ventricle function and the other heart valves evaluation are currently done by ultrasound alone. Prosthetic valve choice and dimensions prior to implantation can be done solely by proper use of echocardiography. The emergence of new methods to cure aortic stenosis such as trans-catheter aortic valve replacement (TAVR) emphasized the diagnostic value of cardiac ultrasound. The usefulness of echocardiography in TAVR can be divided in the baseline assessment (common to patients treated by conventional surgery), intra-procedural guidance of valve deployment and post-procedural follow-up...
December 2016: Mædica
https://www.readbyqxmd.com/read/28801688/-tricuspid-valve-regurgitation-indications-and-operative-techniques
#17
R Lange, N Piazza, T Günther
Functional tricuspid valve (TV) regurgitation secondary to left heart disease (e.g. mitral insufficiency and stenosis) is observed in 75% of the patients with TV regurgitation and is thus the most common etiology; therefore, the majority of patients who require TV surgery, undergo concomitant mitral and/or aortic valve surgery. Uncorrected moderate and severe TV regurgitation may persist or even worsen after mitral valve surgery, leading to progressive heart failure and death. Patients with moderate to severe TV regurgitation show a 3-year survival rate of 40%...
August 11, 2017: Herz
https://www.readbyqxmd.com/read/28780662/bicuspid-aortic-valvulopathy-and-associated-aortopathy-a-review-of-contemporary-studies-relevant-to-clinical-decision-making
#18
REVIEW
Michael H Kwon, Thoralf M Sundt
The bicuspid aortic valve (BAV) phenotype is becoming increasingly recognized as a complex and heterogeneous clinical entity, with some but not all patients developing accelerated degrees of both aortic insufficiency (AI) and aortic stenosis (AS) in comparison to patients with tricuspid aortic valves (TAV). In addition, there remains a well-established association between the BAV phenotype and aortic enlargement independent of valve function as well as progression among some to ascending aortic aneurysm and the attendant concern over risk of aortic dissection...
September 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28780580/net-atrioventricular-compliance-is-an-independent-predictor-of-cardiovascular-death-in-mitral-stenosis
#19
Maria Carmo Pereira Nunes, Timothy C Tan, Sammy Elmariah, Lucas Lodi-Junqueira, Bruno Ramos Nascimento, Rodrigo do Lago, Jose Luiz Padilha da Silva, Rodrigo Citton Padilha Reis, Xin Zeng, Igor F Palacios, Judy Hung, Robert A Levine
OBJECTIVES: Rheumatic mitral stenosis (MS) is a progressive disease, and risk of death may persist despite relief of the obstruction. Net atrioventricular compliance (Cn) modulates the overall haemodynamic burden of the MS and may be useful in predicting cardiovascular death after percutaneous mitral valvuloplasty (PMV). METHODS: A total of 427 patients (mean age 50±16 years, 84% female) with severe MS undergoing PMV were enrolled. Doppler-derived Cn was estimated at baseline using a previously validated equation...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28776135/importance-of-non-invasive-right-and-left-ventricular%C3%A2-variables-on-exercise-capacity-in-patients-with-tetralogy-of-fallot-hemodynamics
#20
Christian Meierhofer, Timon Tavakkoli, Andreas Kühn, Kurt Ulm, Alfred Hager, Jan Müller, Stefan Martinoff, Peter Ewert, Heiko Stern
Good quality of life correlates with a good exercise capacity in daily life in patients with tetralogy of Fallot (ToF). Patients after correction of ToF usually develop residual defects such as pulmonary regurgitation or stenosis of variable severity. However, the importance of different hemodynamic parameters and their impact on exercise capacity is unclear. We investigated several hemodynamic parameters measured by cardiovascular magnetic resonance (CMR) and echocardiography and evaluated which parameter has the most pronounced effect on maximal exercise capacity determined by cardiopulmonary exercise testing (CPET)...
August 3, 2017: Pediatric Cardiology
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