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Mitral Valve Insufficiency

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https://www.readbyqxmd.com/read/29623557/late-right-ventricular-performance-after-mitral-valve-repair-assessed-by-exercise-echocardiography
#1
Sigurdur Ragnarsson, Johan Sjögren, Martin Stagmo, Per Wierup, Shahab Nozohoor
OBJECTIVES: The aim of the study was to evaluate the right ventricular (RV) performance during exercise in patients who underwent mitral valve repair for chronic mitral valve insufficiency relative to healthy individuals and to assess exercise capacity using a semisupine ergometer. METHODS: We studied 56 patients who underwent mitral valve repair for degenerative posterior mitral leaflet prolapse between 2005 and 2014 and a control group of 13 healthy individuals...
April 5, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29617977/aortic-sarcoidosis-complicated-by-a-pulmonary-artery-aneurysm
#2
Wataru Uchida, Yoshiyuki Tokuda, Masato Mutsuga, Akihiko Usui
A 76-year-old woman, who had a history of ocular sarcoidosis, was incidentally found to have a huge pulmonary artery aneurysm, along with aortic, mitral and tricuspid valve insufficiency. She underwent pulmonary artery plication along with surgeries for 3 valves. A specimen of the slightly enlarged ascending aorta revealed the involvement of sarcoidosis in the aortic wall. The systemic granulomatous inflammation process of sarcoidosis possibly affected the valvular and vascular pathology. Herein, we report a rare case of aortic sarcoidosis complicated by a pulmonary artery aneurysm...
March 29, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29605416/lyme-endocarditis
#3
Ana C Paim, Larry M Baddour, Bobbi S Pritt, Audrey N Schuetz, John W Wilson
PURPOSE: We describe a case of Lyme endocarditis which, to our knowledge, is the first reported case confirmed by molecular diagnostics in the United States. BACKGROUND: Valvular involvement as a manifestation of Lyme carditis is rare4 . The first case describing a possible association between Lyme disease and cardiac valvular disease in the United States was published in 19935 . Since that time, there have been 2 cases of Lyme endocarditis confirmed by Borrelia positive 16S rRNA polymerase chain reaction (PCR) and sequencing from valvular tissue8,10 and reported from Europe...
March 29, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29575435/implication-of-pulmonary-hypertension-in-patients-undergoing-mitraclip-therapy-results-from-the-german-transcatheter-mitral-valve-interventions-trami-registry
#4
Eike Tigges, Stefan Blankenberg, R Stephan von Bardeleben, Christine Zürn, Raffi Bekeredjian, Taoufik Ouarrak, Horst Sievert, Georg Nickenig, Peter Boekstegers, Jochen Senges, Wolfgang Schillinger, Edith Lubos
AIMS: We sought to evaluate the impact of pulmonary hypertension on outcomes following MitraClip therapy. METHODS AND RESULTS: The 643 patients in the TRAnscatheter Mitral valve Interventions (TRAMI) registry were divided into three groups according to echocardiographically graded systolic pulmonary artery pressure (sPAP) (Group 1: patients with sPAP of ≤36 mmHg; Group 2: patients with sPAP of 37-50 mmHg; Group 3: patients with sPAP of >50 mmHg) and followed for 1 year...
March 2018: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29507739/normal-function-of-a-43-year-old-braunwald-cutter-heart-valve
#5
Gian Manuel Jiménez-Rodríguez, Sergio Criales-Vera, Mario Adrian Juárez-Peñaloza, Luis Alonso González-Tapia, Mariana Chaire-Hernández
We present the case of a 72-year-old woman diagnosed with rheumatic fever at the age of 6. In 1972, she was diagnosed with mitral valve insufficiency and mitral valve stenosis, then in 1974, a decision was made to perform mitral valve replacement surgery with a 32-mm Braunwald-Cutter ball cage prosthesis. An echocardiogram performed in 2014 revealed normal biventricular systolic function, mechanical prosthesis in mitral position with maximum speed of 1.9 m/s, maximum gradient of 15 mmHg, mean gradient of 6 mmHg, severe tricuspid valve insufficiency, inferior vena cava measuring 15 mm with more than 50% collapse and pulmonary artery systolic pressure of 40 mmHg...
February 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29470257/dynamic-patient-specific-three-dimensional-simulation-of-mitral-repair-can-we-practice-mitral-repair-preoperatively
#6
Olivia K Ginty, John M Moore, Yuanwei Xu, Wenyao Xia, Satoru Fujii, Daniel Bainbridge, Terry M Peters, Bob B Kiaii, Michael W A Chu
OBJECTIVE: Planned mitral repair strategies are generally established from preoperative echocardiography; however, specific details of the repair are often determined intraoperatively. We propose that three-dimensional printed, patient-specific, dynamic mitral valve models may help surgeons plan and trial all the details of a specific patient's mitral repair preoperatively. METHODS: Using preoperative echocardiography, segmentation, modeling software, and three-dimensional printing, we created dynamic, high-fidelity, patient-specific mitral valve models including the subvalvular apparatus...
January 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29466170/-phenomenological-regularities-of-assessment-of-left-ventricle-function-in-mitral-valve-insufficiency
#7
V A Sandrikov, T Y Kulagina, V A Ivanov, A S Krylov, A M Yatchenko, D R Кhadzhieva, A V Tsyganov, A V Gavrilov, I V Arkhipov
OBJECTIVE: to examine relationship between anatomical changes of the left ventricle (LV), dynamics of velocity of its volume modification, and blood flows in the LV in patients with mitral regurgitation (MR) before and after surgical treatment. MATERIALS AND METHODS: We included into this study 58 patients with severe 3-4 degree MR (38 men, 20 women aged 24-69 [mean age 51±9] years) in sinus rhythm (96 %) or atrial fibrillation (4 %). The control group included 86 healthy volunteers, mean age 39±7 years...
January 2018: Kardiologiia
https://www.readbyqxmd.com/read/29425524/repair-techniques-for-mitral-valve-insufficiency-in-children
#8
REVIEW
Vladimiro L Vida, Lorenza Zanotto, Massimiliano Carrozzini, Massimo A Padalino, Giovanni Stellin
Congenital mitral valve (MV) dysplasia is a relatively rare and highly complex cardiac disease. We sought to provide a comprehensive analysis of the current surgical techniques for treating mitral valve insufficiency and the results of mitral valve repair at our institution. Between 1972 and 2017, 104 consecutive patients underwent surgical repair of congenital MV dysplasia-insufficiency at our institution. Among these, 59 patients presented with MV insufficiency (or prevalent MV insufficiency) and were part of the study...
March 2018: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
https://www.readbyqxmd.com/read/29416208/gigantic-thrombus-of-the-left-atrium-in-mitral-stenosis
#9
Enisa Hodzic, Nermir Granov
Introduction: Excess dilatation of the left atrium >65 mm is known in the literature as gigantic atrium. This dilation is most commonly encountered in the mitral insufficiency of rheumatic etiology, but also in severe prolapses of the mitral valve, permanent atrial fibrillation, and at the left right shunt with cardiac insufficiency. Case report: In this paper is presented a case study of echocardiographically verified giant thrombus in left atrium in a 50 years old female patient aged 50 hospitalized because of tiredness, choking, heartburn and urinary tract symptoms...
December 2017: Medical Archives
https://www.readbyqxmd.com/read/29408404/initial-experience-with-a-new-mitral-ring-designed-to-simplify-length-determination-of-neochords
#10
Anatol Prinzing, Sabine Bleiziffer, Markus Krane, Ruediger Lange
BACKGROUND: Artificial chord implantation has become one of the most applied techniques for mitral valve repair (MVR). Many techniques have been described with the goal of optimizing neochord implantation. A new annuloplasty device designed to simplify the determination of appropriate neochord length has been recently introduced. We will describe our initial experience with this new device. METHODS: The semirigid device is equipped with removable loops on the posterior aspect of the ring...
February 3, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29397472/gastrointestinal-bleeding-in-native-and-prosthetic-valve-disease
#11
REVIEW
Joseph L Blackshear
Gastrointestinal bleeding with severe aortic stenosis was originally described in the 1950s by Heyde, although for years, the association was debated. Further discovery of mechanisms and the ubiquity and severity of acquired von Willebrand syndrome in the left ventricular assist device therapy have removed any doubts. At this time, gastrointestinal bleeding from intestinal angiodysplasia in patients with turbulence-related proteolysis of the highest molecular weight multimers of von Willebrand factor is now known to occur in patients with aortic stenosis, and also subaortic obstruction and associated mitral insufficiency in hypertrophic cardiomyopathy, isolated mitral and aortic insufficiency, endocarditis, and in patients with prosthetic valve dysfunction, either from stenosis or insufficiency...
February 3, 2018: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29334508/practical-valvular-issues-in-patients-requiring-ventricular-assist-devices
#12
Mitesh Badiwala, Terrence Yau
PURPOSE OF REVIEW: As ventricular assist device (VAD) therapy in patients with advanced heart failure continues to grow, experience with concomitant valvular diseases present either before or after VAD implantation continues to accrue. In this review, we discuss recent data and current practice as it pertains to the subject of concomitant valvular disease in patients requiring VADs. RECENT FINDINGS: Persistent aortic valve closure has been identified as a potential contributor to aortic valve 'disuse atrophy' resulting in valve degeneration...
March 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29325846/hospital-outcome-and-risk-indices-of-mortality-after-redo-mitral-valve-surgery-in-potential-candidates-for-transcatheter-procedures-results-from-a-european-registry
#13
Francesco Onorati, Giovanni Mariscalco, Daniel Reichart, Andrea Perrotti, Giuseppe Gatti, Marisa De Feo, Antonio Rubino, Giuseppe Santarpino, Fausto Biancari, Christian Detter, Francesco Santini, Giuseppe Faggian
OBJECTIVE: Transcatheter mitral valve-in-valve/valve-in-ring procedures (TM-VIVoR) are increasing. The authors aimed to identify independent predictors for hospital mortality in redo mitral valve surgery as possible future selection criteria for TM-VIVoR. DESIGN: Retrospective multicenter registry. SETTING: Tertiary university and community hospitals. PARTICIPANTS: Two-hundred and sixty patients (out of 920 enrolled) who are potentially candidates for TM-VIVoR undergoing redo-surgery...
April 2018: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29321434/tricuspid-and-mitral-valve-regurgitation-with-bi-fascicular-block-following-a-horse-kick
#14
Tomoki Kokubun, Masayoshi Oikawa, Yasuhiro Ichijo, Yoshiyuki Matsumoto, Tetsuro Yokokawa, Kazuhiko Nakazato, Yoshiyuki Sato, Shinya Takase, Hiroharu Shinjo, Hitoshi Yokoyama, Hitoshi Suzuki, Shu-Ichi Saitoh, Yasuchika Takeishi
A 40-year-old man was transferred to our hospital following an isolated horse kick injury to the anterior chest wall. The case showed bi-fascicular block, severe tricuspid valve regurgitation due to ruptured chordae tendineae of the anterior leaflet, moderate mitral valve regurgitation due to prolapse of mitral anterior leaflet, and hypokinetic motion of the inferior septal wall. Both tricuspid and mitral insufficiency were completely repaired by a surgical operation. Fortunately, these injuries were not fatal in this case, but the comprehensive assessment of cardiac damage and careful observation are important for managing patients with cardiac injury...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29275952/late-onset-of-atrial-fibrillation-in-patients-undergoing-mitral-valve-repair-for-type-ii-dysfunction
#15
Naonori Kawamoto, Tomoyuki Fujita, Satsuki Fukushima, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Kizuku Yamashita, Junjiro Kobayashi
BACKGROUND: There are few reports regarding factors related to late-onset of atrial fibrillation (Af) after mitral valve repair, which can compromise long-term outcome. We analyzed the risk factors for late Af after mitral valve repair. METHODS AND RESULTS: Between 2001 and 2015, 318 patients (214 males; median, 57.7 years) underwent mitral valve repair for degenerative mitral insufficiency (MI) without concomitant aortic valve disease in our institute. Patients with a history of paroxysmal or chronic Af preoperatively were excluded...
April 2018: Journal of Cardiology
https://www.readbyqxmd.com/read/29248661/mitral-valve-adaptation-to-isolated-annular-dilation-insights-into-the-mechanism-of-atrial-functional-mitral-regurgitation
#16
Dae-Hee Kim, Ran Heo, Mark D Handschumacher, Sahmin Lee, Yun-Sil Choi, Kyu-Ri Kim, Yewon Shin, Hong-Kyung Park, Joyce Bischoff, Elena Aikawa, Jong-Min Song, Duk-Hyun Kang, Robert A Levine, Jae-Kwan Song
OBJECTIVES: This study hypothesized that compensatory mitral leaflet area (MLA) adaptation occurs in patients with persistent atrial fibrillation (AF) without left ventricular (LV) dysfunction but has limitations that augment mitral regurgitation (MR). The study also explored whether asymmetrical annular dilation is matched by relative leaflet enlargement. BACKGROUND: Functional MR occurs in patients with AF and isolated annular dilation, but the relationship of MLA adaptation with annular area (AA) is unknown...
December 8, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29237465/mid-term-results-of-mitral-valve-repair-using-flexible-bands-versus-complete-rings-in-patients-with-degenerative-mitral-valve-disease-a-prospective-randomized-study
#17
Alexandr V Bogachev-Prokophiev, Alexandr V Afanasyev, Sergei I Zheleznev, Vladimir M Nazarov, Ravil M Sharifulin, Alexandr M Karaskov
BACKGROUND: We aimed to compare the outcomes of mitral valve repair with flexible band (FB) versus complete semirigid ring (SR) in degenerative mitral valve disease patients. METHODS: From September 2011 to 2014, 171 patients were randomized and underwent successful mitral valve repair using a SR (n = 85) or FB (n = 86). There were no significant between-group differences at baseline. RESULTS: There were no early mortalities. The mean follow up was 24...
December 13, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29137910/tamponade-hemodynamic-and-echocardiographic-diagnosis
#18
REVIEW
Mark J Kearns, Keith R Walley
Cardiac tamponade is a medical emergency that can be readily reversed with timely recognition and appropriate intervention. The clinical diagnosis of cardiac tamponade requires synthesis of a constellation of otherwise nonspecific features based on an understanding of the underlying pathophysiological characteristics. Although echocardiographic examination is a central component of diagnosis, alone it is insufficient to establish the physiological diagnosis of hemodynamically significant cardiac tamponade. The hemodynamic diagnosis of cardiac tamponade requires clinical evidence of low cardiac output and stroke volume in the setting of elevated cardiac filling pressures, with evidence of increased sympathetic tone (eg, tachycardia, peripheral vasoconstriction), and exclusion of other causes of shock as the primary problem (particularly cardiogenic shock)...
November 11, 2017: Chest
https://www.readbyqxmd.com/read/29134238/a-comparison-of-anterograde-versus-retrograde-approaches-for-neonatal-balloon-aortic-valvuloplasty
#19
Namrita Mozumdar, Edmund Burke, Melissa Schweizer, Matthew J Gillespie, Yoav Dori, Hari K Narayan, Jonathan J Rome, Andrew C Glatz
In neonates requiring balloon aortic valvuloplasty, both anterograde and retrograde approaches are feasible. A recent comparison of these two approaches is lacking. A retrospective cohort study of neonates at a single center undergoing BAV from 9/00 to 7/14 was performed. Records were reviewed including pre- and post-intervention echocardiograms and catheterization data. Comparisons of acute efficacy and procedural safety were made based on type of approach utilized. Forty-two neonates underwent BAV. Eleven cases utilized exclusively an anterograde approach, while 31 included a retrograde approach (including 4 with both approaches used)...
November 13, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29110936/right-versus-left-apical-transvenous-pacing-for-bradycardia-results-of-the-rivela-randomized-study
#20
Haran Burri, Hajo Müller, Richard Kobza, Christian Sticherling, Peter Ammann, Heiko Zerlik, Carine Stettler, Catherine Klersy, Frits Prinzen, Angelo Auricchio
AIMS: To compare cardiac function when pacing from the right or left ventricular apex in patients with preserved left ventricular systolic function, at 1-year follow-up. METHODS: Prospective, multicentre centre randomizing conventional right ventricular apical (RVA) versus left ventricular apical (LVA) pacing using a coronary sinus lead in patients requiring ventricular pacing for bradycardia. Follow-up was performed using 3D-echocardiography at 6 and 12 months...
October 27, 2017: Indian Pacing and Electrophysiology Journal
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