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Cleft Mitral valve

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https://www.readbyqxmd.com/read/29385428/decellularized-mitral-valve-in-a-long-term-sheep-model
#1
Pavel Iablonskii, Serghei Cebotari, Anatol Ciubotaru, Samir Sarikouch, Klaus Hoeffler, Andres Hilfiker, Axel Haverich, Igor Tudorache
OBJECTIVES: The objective of this study was to evaluate surgical handling, in vivo hemodynamic performance and morphological characteristics of decellularized mitral valves (DMVs) in a long-term sheep model. METHODS: Ovine mitral valves were decellularized using detergents and β-mercaptoethanol. Orthotopic implantations were performed in 6-month-old sheep (41.3 ± 1.2 kg, n = 11) without annulus reinforcement. Commercially available stented porcine aortic valves [biological mitral valve (BMV), n = 3] were implanted conventionally and used as controls...
January 29, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29370363/second-cross-clamping-after-mitral-valve-repair-for-degenerative-disease-in-contemporary-practice
#2
Michele De Bonis, Elisabetta Lapenna, Ilaria Giambuzzi, Roberta Meneghin, Giovanni Affronti, Federico Pappalardo, Alessandro Castiglioni, Cinzia Trumello, Nicola Buzzatti, Andrea Giacomini, Marcello Raimondi Lucchetti, Ottavio Alfieri
OBJECTIVES: Scanty data are available on 'second cross-clamping' following mitral valve repair in contemporary practice. The aim of this study was to evaluate the incidence, causes and outcomes of this event in patients referred for mitral repair for severe degenerative mitral regurgitation (MR). METHODS: The study population included 2318 patients with severe degenerative MR referred for mitral repair. A second cross-clamping was performed in 94 (4%) patients. Causes of the second cross-clamping, revising repair procedures, immediate echocardiographic outcomes and postoperative course were assessed and compared with the 'single cross-clamping cases' (2224 patients used as control)...
January 22, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29357688/congenital-mitral-regurgitation-with-down-syndrome
#3
Koji Tajima, Kentaro Honda, Mitsuru Yuzaki, Hideki Kunimoto, Yukikatsu Okada, Yoshiharu Nishimura
A 19-year-old man with Down syndrome had congenital mitral regurgitation. He had slight mental retardation and difficulty in performing independent oral drug administration. We planned mitral valve plasty to avoid postoperative anticoagulant therapy. The mitral valve lesions were complicated. A prolapsed anterior mitral leaflet, shortened posterior leaflet, abnormal cleft, abnormal papillary muscle, and enlarged annulus were observed. Successful mitral valve plasty was performed using several techniques. The postoperative course was uneventful, and no significant mitral regurgitation was found...
January 1, 2018: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29334829/rare-combination-of-pathologies-causing-mitral-stenosis-and-mitral-regurgitation-a-case-report
#4
Anupama K Nair, Kuntal Roy Chowdhuri, Sitaraman Radhakrishnan, Krishna S Iyer, Manish Saxena
A supramitral ring is a rare cause of mitral stenosis, while an isolated mitral valve cleft is a rare cause of congenital mitral regurgitation. Fortunately, both the lesions are known to have good outcomes after surgical correction. Although each is known to be associated with a variety of other structural heart defects, their coexistence has not been reported previously. We report a case of a three- and half-year-old boy detected to have a rare combination of supramitral ring producing severe mitral stenosis with a coexisting cleft in the anterior leaflet of mitral valve causing severe mitral regurgitation...
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29304994/the-trileaflet-mitral-valve
#5
REVIEW
Jason Chui, Robert H Anderson, Roberto M Lang, Wendy Tsang
With the advent of 3-dimensional echocardiography, visualization of the mitral valve has greatly improved. Recently, there has been an increase in reporting of a distinct entity called the "trileaflet mitral valve" using 3-dimensional echocardiography. It is controversial whether this is a new entity or an improved visualization of isolated mitral valve clefts or trifoliate left atrioventricular valve in the setting of an atrioventricular septal defect (AVSD) with intact septum. We present a case of a trifoliate valve, interpreting our findings based on a systematic review of previous publication on trileaflet mitral valves, isolated clefts in the mural (posterior) leaflet of the mitral valve, and trifoliate left atrioventricular valves with AVSD and intact septal structures...
November 28, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/29275055/unexpected-mitral-regurgitation-during-coronary-artery-bypass-graft-surgery-the-multidisciplinary-management-of-a-mitral-valve-cleft
#6
Rohesh J Fernando, Sean D Johnson, Prakash A Patel, Jacob T Gutsche, Derek Lauter, Jared W Feinman, Eric Guelaff, Stuart J Weiss, Karl M Richardson, Michael L Boisen, Theresa A Gelzinis, John G Augoustides
No abstract text is available yet for this article.
September 9, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29174590/double-outlet-right-ventricle-with-subpulmonary-ventricular-septal-defect-taussig-bing-anomaly-and-other-complex-congenital-cardiac-malformations-in-an-american-quarter-horse-foal
#7
Rebecca Kohnken, Karsten Schober, Jennifer Godman, Alison Gardner, Tiffany Jenkins, Eric Schroeder, Peter Baker, Laura Dunbar
A 4-week-old American Quarter Horse colt presented with a recent history of diarrhea and decreased activity level. On initial physical examination, the animal was bright and alert and major findings were limited to a loud systolic heart murmur radiating widely over both sides of the thorax. While in the hospital, the clinical condition of the foal warranted further imaging to determine the cause and extent of cardiac disease. A variety of congenital cardiac malformations were identified during echocardiographic examination and autopsy, including a double outlet right ventricle and a subpulmonary interventricular septal defect (Taussig-Bing anomaly), ventricular inversion with atrioventricular discordance, tricuspid valve atresia, a septum primum interatrial septal defect, mitral valve dysplasia with a cleft in the septal mitral valve cusp, aortic, and subaortic stenosis, tubular hypoplasia of the ascending aorta and the aortic arch, a patent ductus arteriosus, an aberrant circumflex coronary artery, and aberrant left and right subclavian arteries...
November 21, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/29149258/edge-to-edge-repair-for-mitral-regurgitation-associated-with-isolated-double-orifice-mitral-valve
#8
Takeshi Oda, Takanori Kono, Keiichi Akaiwa, Katsuhiko Nakamura
We report the case of a patient with severe mitral regurgitation who was diagnosed with double-orifice mitral valve by preoperative transthoracic and transoesophageal echocardiography. During surgery, it was revealed that the mitral valve was divided into 2 orifices, anterolateral and posteromedial, by a fibrous bridging tissue that was supported by the chordae tendineae originating from an accessory middle papillary muscle. The posterior scallop of the anterolateral orifice was prolapsed due to chordal elongation...
November 15, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28992972/atrioventricular-valve-regurgitation-in-patients-undergoing-total-cavopulmonary-connection-impact-of-valve-morphology-and-underlying-mechanisms-on-survival-and-reintervention
#9
Masamichi Ono, Julie Cleuziou, Jelena Pabst von Ohain, Elisabeth Beran, Melchior Burri, Martina Strbad, Alfred Hager, Jürgen Hörer, Christian Schreiber, Rüdiger Lange
OBJECTIVE: The study objective was to determine the mechanisms of atrioventricular valve regurgitation in single-ventricle physiology and their influence on outcomes after total cavopulmonary connection. METHODS: Among 460 patients who underwent a total cavopulmonary connection, 101 (22%) had atrioventricular valve surgery before or coincident with total cavopulmonary connection. RESULTS: Atrioventricular valve morphology showed 2 separated in 33 patients, mitral in 11 patients, tricuspid in 41 patients, and common in 16 patients...
September 15, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28990953/case-image-assessment-of-isolated-cleft-mitral-valve-by-live-real-time-three-dimensional-transesophageal-echocardiography
#10
Begüm Uygur, Aydın Yıldırım
No abstract text is available yet for this article.
October 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28983175/isolated-supravalvular-aortic-stenosis-with-left-ventricular-diverticulum-and-cleft-mitral-valve-surgical-repair-in-adulthood
#11
U M Nagamalesh, Ravi Shankar Shetty, Ravi Narayan, Anil Kumar, Ravi Naik, Sadath Uzma, K C Karthik Naidu
Supravalvular aortic stenosis is an uncommon but well characterized congenital narrowing of the ascending aorta above the level of the coronary arteries. It can be a familial disorder, can occur sporadically, or can be associated with Williams syndrome. We are reporting a very rare presentation of supravalvular aortic stenosis with associated left ventricular diverticulum and cleft mitral valve. Repair consisted of resection of the ascending aorta, patch augmentation of the aortic root, and mitral valve repair...
October 2017: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/28747938/computed-tomography-angiography-for-imaging-results-of-neochordal-mitral-valve-repair
#12
Radosław Zwoliński, Anna Marcinkiewicz, Konrad Szymczyk, Jarosław Drożdż, Ryszard Jaszewski, Bogdan Jegier
INTRODUCTION: Degenerative mitral regurgitation is currently the most frequent indication for mitral valve repair. AIM: To visualize and assess the mid-term results of mitral valve repair with neochordae implantation, using computed tomography angiography (CTA) imaging. MATERIAL AND METHODS: The CTA with ECG gating and without modulation was applied in 10 patients to assess the results of a mitral valve sparing procedure. The results of 3 patients are presented...
June 2017: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28697003/the-respect-rather-than-resect-principle-in-mitral-valve-repair-the-lateral-dislocation-of-the-p2-technique
#13
Marco Zanobini, Gabriella Ricciardi, Francesco Liborio Mammana, Samer Kassem, Paolo Poggio, Alessandro Di Minno, L Cavallotti, Matteo Saccocci
BACKGROUND: Leaflet resection represents the reference standard for surgical treatment of mitral valve (MV) regurgitation. New approaches recently proposed place emphasis on respecting, rather than resecting, the leaflet tissue to avoid the drawbacks of the 'resection' approach. OBJECTIVES: The lateral dislocation of mid portion of mitral posterior leaflet (P2) technique for MV repair is a nonresectional technique in which the prolapsed P2 segment is sutured to normal P1 segment...
September 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28517030/gerbode-defect-and-multivalvular-dysfunction-complex-complications-in-adult-congenital-heart-disease
#14
Catarina Ruivo, Joana Guardado, Fernando Montenegro Sá, Fátima Saraiva, Alexandre Antunes, Joana Correia, João Morais
We report a clinical case of a 40-year-old male with surgically corrected congenital heart disease (CHD) 10 years earlier: closure of ostium primum, mitral annuloplasty, and aortic valve and root surgery. The patient was admitted with acute heart failure. Transesophageal echocardiography (TEE) revealed a dysmorphic and severely incompetent aortic valve, a partial tear of the mitral valve cleft repair and annuloplasty ring dehiscence. A true left ventricular-to-right atrial shunt confirmed a direct Gerbode defect...
July 2017: Echocardiography
https://www.readbyqxmd.com/read/28515127/a-retrospective-analysis-of-mitral-valve-pathology-in-the-setting-of-bicuspid-aortic-valves
#15
Annari van Rensburg, Philip Herbst, Anton Doubell
The therapeutic implications of bicuspid aortic valve associations have come under scrutiny in the transcatheter aortic valve implantation era. We evaluate the spectrum of mitral valve disease in patients with bicuspid aortic valves to determine the need for closer echocardiographic scrutiny/follow-up of the mitral valve. A retrospective analysis of echocardiograms done at a referral hospital over five years was conducted in patients with bicuspid aortic valves with special attention to congenital abnormalities of the mitral valve...
June 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28203419/diagnosis-of-mitral-valve-cleft-using-real-time-3-dimensional-echocardiography
#16
Xinchun Yuan, Aiyun Zhou, Li Chen, Cheng Zhang, Yan Zhang, Pan Xu
BACKGROUND: Mitral valve cleft (MVC) is the most common cause of congenital mitral insufficiency, and MVC may occur alone or in association with other congenital heart lesions. Direct suture and valvuloplasty are the major and effective treatments for mitral regurgitation (MR) caused by MVC. Therefore, it is important to determine the location and magnitude of the pathological damage due to MVC when selecting a surgical procedure for treatment. This study explored the application value of transthoracic real-time 3-dimensional (3D) echocardiography (RT-3DE) in the diagnosis of MVC...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28167462/a2-p3-oblique-clipping-for-the-treatment-of-severe-mitral-regurgitation-in-the-presence-of-mitral-valve-cleft-and-flail
#17
Giuseppe Tarantini, Giulia Masiero, Umberto Cucchini, Luca Nai Fovino
No abstract text is available yet for this article.
February 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28045423/case-images-cleft-posterior-mitral-valve-leaflet-an-unsuspected-case-of-mitral-regurgitation
#18
Alejandro Quijada-Fumero, Celestino Hernández-García, Antonio Trugeda-Padilla
No abstract text is available yet for this article.
December 2016: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/27956709/surgical-repair-of-congenital-left-atrial-aneurysm-and-mitral-valve-insufficiency-in-a-four-year-old-child
#19
C Tayyar Sarioglu, Yasemin Turkekul, Ahmet Arnaz, Emrah Sisli, Yusuf Kenan Yalcinbas, Ayse Sarioglu
Left atrial aneurysm is an extremely rare anomaly, which can be associated with supraventricular arrhythmia, compression of coronary arteries, intracardiac thrombus, life-threatening systemic embolization, pulmonary venous obstruction, mitral valve insufficiency, and congestive heart failure. Herein, we report a four-year-old boy who had a giant aneurysm of the left atrium and severe mitral regurgitation. The aneurysm and mitral valve cleft causing severe mitral regurgitation were successfully repaired.
December 12, 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27814918/four-tiered-echocardiographic-analysis-approach-for-congenital-mitral-valve-malformations-four-years-of-experience
#20
Feifei Sun, Yixin Chen, Weidong Ren, Ying Zhang, Dan Wu, Xin Chen, Chunyan Ma, Dongyu Li
BACKGROUND: Traditional methods of describing and classifying congenital mitral valve malformations (CMVMs) often lack specificity and scientificity. Thus, documentation is incomplete, especially in terms of ultrasound findings. METHODS: Data were collected from 436 patients (mean age, 36.6±26.8years; male 47.9%), each subjected to echocardiographic evaluation of CMVM. Valvar characteristics were studied and analyzed via a four-tiered echocardiographic analysis (FTEA) approach: (1) supravalvular region and annulus, (2) valvar leaflets and commissures, (3) chordae tendineae, and (4) papillary muscles...
January 15, 2017: International Journal of Cardiology
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