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https://www.readbyqxmd.com/read/28431443/-surgical-and-interventional-therapy-of-mitral-valve-regurgitation
#1
Wolfgang Schillinger, Miriam Puls, Bernhard C Danner
Depending from the etiology of mitral valve pathology and surgical risk, mitral valve surgery is the therapy of choice for most degenerative mitral valve diseases. In isolated secondary mitral valve regurgitation, the indication for interventional or conservative therapy becomes more important. In severe left ventricular dysfunction heart transplantation has to be taken into consideration. If relevant coronary artery disease is present and bypass surgery is indicated, mitral valve surgery is mandatory in severe regurgitation and is subject to a benefit-risk evaluation in moderate regurgitation...
April 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28431056/long-term-outcome-of-transvenous-pacemaker-implantation-in-infants-a-retrospective-cohort-study
#2
Laura M Vos, Janneke A E Kammeraad, Matthias W Freund, Andreas C Blank, Johannes M P J Breur
Aim: Evaluation of long-term outcome of transvenous pacemaker (PM) implantation in infants. Methods and Results: A retrospective analysis of all transvenous PM implantations in infants <10 kg between September 1997 and October 2001 was made. Indications for PM implantation, age at implantation, and determinants of long-term outcome including cardiac function, PM function, and PM (system) complications were noted. Seven patients underwent transvenous VVI(R) PM implantation...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430904/catheter-based-tricuspid-valve-replacement-first-experimental-data-of-a-newly-designed-bileaflet-stent-graft-prosthesis%C3%A2
#3
Henning F Lausberg, Rafal Gryszkiewicz, Maximilian Kuetting, Moritz Baumgaertner, Marcos Centola, Hans-Peter Wendel, Martina Nowak-Machen, David Schibilsky, Tobias Kruger, Christian Schlensak
OBJECTIVES: Moderate or severe degree tricuspid valve regurgitation (TVR) is associated with high rates of morbidity and mortality. Surgical correction as the only therapeutic option offers unsatisfactory results. Recently, several interventional procedures have been introduced clinically in a limited cohort. We present our initial experiments with an innovative interventional valved stent graft for treatment of TVR. METHODS: A newly designed porcine pericardium-covered nitinol stent graft with a lateral bicuspid valve was adapted to size in a cadaver study...
April 18, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28429120/the-influence-of-pump-rotation-speed-on-hemodynamics-and-myocardial-oxygen-metabolism-in-left-ventricular-assist-device-support-with-aortic-valve-regurgitation
#4
Kei Iizuka, Tomohiro Nishinaka, Yoshiaki Takewa, Kenji Yamazaki, Eisuke Tatsumi
Aortic valve regurgitation (AR) is a serious complication under left ventricular assist device (LVAD) support. AR causes LVAD-left ventricular (LV) recirculation, which makes it difficult to continue LVAD support. However, the hemodynamics and myocardial oxygen metabolism of LVAD support with AR have not been clarified, especially, how pump rotation speed influences them. An animal model of LVAD with AR was newly developed, and how pump rotation speed influences hemodynamics and myocardial oxygen metabolism was examined in acute animal experiments...
April 20, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28427598/computed-tomography-based-oversizing-degrees-and-incidence-of-paravalvular-regurgitation-of-a-new-generation-transcatheter-heart-valve
#5
Philipp Blanke, Philippe Pibarot, Rebecca Hahn, Neil Weissman, Susheel Kodali, Vinod Thourani, Rupa Parvataneni, Danny Dvir, Christopher Naoum, Bjarne L Nørgaard, Pamela Douglas, Wael Jaber, Omar K Khalique, Hasan Jilaihawi, Michael Mack, Craig Smith, Martin Leon, John Webb, Jonathon Leipsic
OBJECTIVES: The aim of the study was to investigate the influence of the extent of computed tomography (CT)-based area and perimeter oversizing on the incidence and severity of paravalvular aortic regurgitation (PAR) for the Edwards SAPIEN 3 (Edwards Lifesciences, Irvine, California) device, using CT data and echocardiographic outcome data of the PARTNER II (Placement of AoRTic TraNscathetER Valves Trial II) SAPIEN 3 intermediate-risk cohort. BACKGROUND: Transcatheter heart valve (THV) sizing algorithms are device specific, requiring refinements for new valve designs...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28423725/preoperative-assessment-of-mitral-valve-abnormalities-in-left-atrial-myxoma-patients-using-cardiac-ct
#6
Jing Chen, Zhi-Gang Yang, En-Sen Ma, Qin Zhang, Xi Liu, Ying-Kun Guo
BACKGROUND: To retrospectively evaluate mitral valve abnormality in left atrial myxoma patients by using cardiac computed tomography (CT). MATERIAL AND METHODS: Cardiac CT was performed in 56 patients with left atrial myxoma and 50 controls. Tumor and mitral valve characteristics were analyzed. The mitral valve parameters differences were compared between patients with myxoma and controls, myxoma with or without mitral valve obstruction, different obstruction degrees, respectively...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423130/bovine-pericardial-patch-augmentation-of-one-insufficient-aortic-valve-cusp-with-twenty-three-year-positive-clinical-follow-up-independent-of-the-patch-degeneration
#7
Paulo Roberto Barbosa Evora, Lívia Arcêncio, Patrícia Martinez Evora, Antônio Carlos Menardi, Fernando Chahud
Scientific progress shall ultimately boost the current acceptance level for conservative aortic valve surgery. The present text aimed to report the 23-year long-term follow-up of one patient operated with bovine pericardium cusp extension. Growing confidence in the efficacy of the operation will allow a more expeditious indication for surgical treatment, as is already the case in mitral valve repair. This change of attitude will certainly make it possible for patients to be sent for operation in mild aortic valve regurgitation...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28423127/evaluation-of-anomalous-coronary-arteries-from-the-pulmonary-artery
#8
Alper Guzeltas, Erkut Ozturk, Ibrahim Cansaran Tanidir, Taner Kasar, Sertac Haydin
Objective: This study evaluated clinical and diagnostic findings, treatment methods, and follow-up of cases of anomalous coronary arteries from the pulmonary artery. Methods: The study included all cases diagnosed with anomalous coronary arteries from the pulmonary artery between January 2012 and January 2016. Data from patients' demographic characteristics, electrocardiography, echocardiography, angiographic findings, operation, intensive care unit stay, and follow-up were evaluated...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28423126/chronic-atrial-fibrillation-ablation-with-harmonic-scalpel-during-mitral-valve-surgery
#9
Alexandre Visconti Brick, Domingo M Braile
Objective: To evaluate surgical treatment of chronic atrial fibrillation with ultrasound in patients with mitral valve disease, considering preoperative clinical characteristics of patients undergoing surgical procedure and follow-up in the immediate postoperative period, in hospital and up to 60 months after discharge. Methods: We studied 100 patients with chronic atrial fibrillation and mitral valve disease who underwent surgical treatment using ultrasound ablation...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28417048/is-tricuspid-valve-really-tricuspid
#10
Sunita Athavale, Rashmi Deopujari, Urmila Sinha, Rekha Lalwani, Sheetal Kotgirwar
Advancement in imaging techniques and interventional cardiology procedures have generated renewed interest in anatomy of tricuspid valve complex. The purpose of the present study was to characterize the morphology of tricuspid valve leaflets using objective criteria. Thirty-six embalmed cadaveric hearts were utilized for the present study. Leaflet morphology was studied using newly defined criteria. Commissural zones were identified and leaflets were delineated. Presence of scallops was also recorded. Single leaflet was observed in six cases, double in 26 cases, and triple in four cases...
March 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/28416589/multimodality-imaging-of-the-tricuspid-valve-with-implication-for-percutaneous-repair-approaches
#11
REVIEW
Francesco Ancona, Stefano Stella, Maurizio Taramasso, Claudia Marini, Azeem Latib, Paolo Denti, Francesco Grigioni, Maurice Enriquez-Sarano, Ottavio Alfieri, Antonio Colombo, Francesco Maisano, Eustachio Agricola
Nowadays some percutaneous options for tricuspid valve (TV) repair are available: Tricinch (4Tech Cardio, Galway, Ireland) mimicking the Kay procedure, Trialign (Mitralign, Boston, MA, USA) aiming to bicuspidise TV, MitraClip (Abbott Vascular, Abbott Park, Illinois, USA) mimicking Alfieri's stitch, direct transcatheter annuloplasty with Cardioband (Valtech Cardio, Or Yehuda, Israel) and transcatheter Forma Repair (Edwards Lifesciences, Irvine, California, USA) providing a surface for leaflet coaptation. A multimodality imaging approach is fundamental for defining the pathophysiology of tricuspid regurgitation (TR), preprocedural planning and intraprocedural monitoring...
April 17, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28415104/p697new-indices-for-a-best-quantification-of-left-ventricular-function-in-heart-valve-diseases
#12
A Hubert, E Galli, G Bouzille, E Samset, E Donal
Aims. The Assessment of left ventricular (LV) function remains a clinical challenge especially in patients with preserved LV ejection fraction (EF) and valvular heart diseases (VHD). Mechanical dispersion is supposed to be a strong predictor of events and, to be related to the extent of fibrosis. Regional cardiac work is a new validated and very promising approach to quantify LV-function. We investigated the differences in mechanical dispersions and global LV work (totW) and wasted work fraction (WWF) in normal subjects and in patients with severe primary mitral regurgitation (MR) and severe aortic stenosis (AS)...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28415082/p210long-term-outcome-of-primary-mitral-valve-prolapse-results-from-a-population-of-250-patients-referred-to-a-tertiary-cardiovascular-center
#13
V Mecarocci, F Mori
Background: Outcome of Mitral Valve Prolapse (MVP) was controversial for long time. Many studies reported great differences in the incidence of cardiovascular events due, above all, to heterogeneous and small studied populations. Most of theme were also published to late '80 of the last century till early '00. Purpose: To make a contemporary survey on the incidence of cardiovascular events in a selected population of patients affected by primary MVP referred to a tertiary cardiovascular center for the medical and surgical care of valvular heart disease...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28414678/what-the-eyes-don-t-see-the-heart-does-grieve-over
#14
M Sciaudone, M Dery
INTRODUCTION: A 71 year old Peruvian woman presented with blurry vision and bilateral eye pain and had evidence of bilateral endophthalmitis on eye examination. Her past medical history was notable for multiple abdominal surgeries within the preceding months, including an incarcerated inguinal hernia repair which required an ileostomy placement, and cholecystitis requiring cholecystostomy tube placement. Over her multiple long hospitalizations, she developed bacteremia and fungemia on several occasions, with organisms including Enterobacter cloacae, Klebsiella pneumoniae, Bacteroides fragilis, Pseudomonas aeruginosa, Enterococcus faecium, and Candida albicans...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414667/the-mysterious-case-of-dyspnea
#15
S Saad, N Turaga, J Grant, N Jain
INTRODUCTION: Dehiscence of a mitral valve annuloplasty ring is a rare occurrence that often manifests as mitral regurgitation and heart failure. We present a case of mitral ring dehiscence which was initially unrecognized by standard 2-dimensional transthoracic echocardiography (2D TTE); and 2-dimensional transesophageal echocardiography (2D TEE);. CASE: A 65-year-old woman was referred to Cardiology clinic for evaluation of dyspnea. Her history included tobacco abuse, atrial fibrillation status post pulmonary vein isolation, nonischemic cardiomyopathy, and prior mitral valve repair with annuloplasty ring for rheumatic valvular disease...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28411753/2016-update-to-the-american-association-for-thoracic-surgery-aats-consensus-guidelines-ischemic-mitral-valve-regurgitation
#16
Irving L Kron, Damien J LaPar, Michael A Acker, David H Adams, Gorav Ailawadi, Steven F Bolling, Judy W Hung, D Scott Lim, Michael J Mack, Patrick T O'Gara, Michael K Parides, John D Puskas
No abstract text is available yet for this article.
May 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28410946/right-atrial-dysfunction-in-the-fetus-with-severely-regurgitant-tricuspid-valve-disease-a-potential-source-of-cardiovascular-compromise
#17
Lisa W Howley, Nee Scze Khoo, Anita J Moon-Grady, Sonali S Patel, Fayeza Alrais, Wayne Tworetzky, Timothy Colen, Paul Brooks, Jean Trines, Tiina Ojala, Lisa K Hornberger
BACKGROUND: In severe right heart obstruction (RHO), redistribution of cardiac output to the left ventricle (LV) is well tolerated by the fetal circulation. Although the same should be true of severely regurgitant tricuspid valve disease (rTVD) with reduced or no output from the right ventricle, affected fetuses more frequently develop hydrops or suffer intrauterine demise. We hypothesized that right atrium (RA) function is altered in rTVD but not in RHO, which could contribute to differences in outcomes...
April 11, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28405096/cardiac-rehabilitation-for-a-skydiver-after-aortic-valve-replacement-for-pure-aortic-regurgitation-and-resection-of-the-ascending-aorta-complicated-by-active-infective-endocarditis-and-heart-block-requiring-a-pacemaker
#18
Tonja R Solomon, Sandra DeJong, Tim Bilbrey, Pasquale Carbone, Mark Campbell, Robert D Parker, Alessandra Lira, Diogo Amarante, Jeffrey M Schussler, Jenny Adams
A professional skydiver underwent aortic valve and ascending aorta replacement complicated by infective endocarditis with root abscess and pacemaker implantation. He then enrolled in the Baylor Heart and Vascular Hospital cardiac rehabilitation (CR) program as part of its specificity of testing and exercise training facility. He performed specific skydiving cardiovascular and muscular strength tests at the beginning and the end of the CR program. His pacemaker was interrogated to ascertain any arrhythmias or lead displacement over the course of the CR program...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28401865/the-effect-of-mitral-valve-surgery-on-ventricular-arrhythmia-in-patients-with-bileaflet-mitral-valve-prolapse
#19
Niyada Naksuk, Faisal F Syed, Chayakrit Krittanawong, Mark J Anderson, Elisa Ebrille, Christopher V DeSimone, Vaibhav R Vaidya, Shiva P Ponamgi, Rakesh M Suri, Michael J Ackerman, Vuyisile T Nkomo, Samuel J Asirvatham, Peter A Noseworthy
BACKGROUND: Bileaflet mitral valve prolapse (biMVP) is associated with frequent ventricular ectopy (VE) and malignant ventricular arrhythmia. We examined the effect of mitral valve (MV) surgery on VE burden in biMVP patients. METHODS: We included 32 consecutive patients undergoing MV surgery for mitral regurgitation secondary to biMVP between 1993 and 2012 at Mayo Clinic who had available pre- and post-operative Holter monitoring data. Characteristics of patients with a significant reduction in postoperative VE (group A, defined as >10% reduction in VE burden compared to baseline) were compared with the rest of study patients (group B)...
November 2016: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/28400934/quadricuspid-aortic-valve-complicated-with-severe-aortic-regurgitation-and-left-sided-inferior-vena-cava
#20
Jun Shiraishi, Kazunari Okawa, Kohei Muguruma, Daisuke Ito, Masayoshi Kimura, Eigo Kishita, Yusuke Nakagawa, Masayuki Hyogo, Akiyuki Takahashi, Takahisa Sawada
No abstract text is available yet for this article.
March 2017: Journal of Cardiovascular Ultrasound
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