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https://www.readbyqxmd.com/read/28535185/fifteen-years-experience-with-the-use-of-artificial-chords-for-valve-reconstruction-in-children%C3%A2
#1
Jolanda Kluin, Vladimir Sojak, David R Koolbergen, Rody Boon, Regina Bökenkamp, Mark G Hazekamp
OBJECTIVES: To retrospectively review our experience with artificial chords in mitral and tricuspid reconstructive surgery in children. METHODS: All consecutive paediatric (<18 years) patients who underwent mitral or tricuspid valve reconstruction with the use of artificial chords in our centre in the past 15 years were retrospectively analysed. RESULTS: Thirty-nine patients (age 3 days to 17 years) underwent reconstruction of the mitral ( n  = 27) or tricuspid ( n  = 12) valve using artificial chords...
May 23, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28517030/gerbode-defect-and-multivalvular-dysfunction-complex-complications-in-adult-congenital-heart-disease
#2
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...
May 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28471059/long-or-redundant-leaflet-complicating-transcatheter-mitral-valve-replacement-case-vignettes-that-advocate-for-removal-or-reduction-of-the-anterior-mitral-leaflet
#3
Adam B Greenbaum, Jose F Condado, Marvin Eng, Stamatios Lerakis, Dee Dee Wang, Dennis W Kim, Robert J Lederman, Gaetano Paone, William W O Neill, Vinod H Thourani, Vasilis C Babaliaros
Transcatheter mitral valve replacement (TMVR) procedures can be an alternative to surgical valve replacement for high surgical risk patients with bioprosthetic mitral valves, annuloplasty rings, or severe mitral annular calcification (MAC). TMVR can trigger acute left ventricular outflow tract (LVOT) obstruction from permanent displacement of the native anterior mitral leaflet toward the left ventricular septum, more often among patients undergoing valve-in-ring and valve-in-MAC procedures. Although acute LVOT obstruction is well described in the literature, there are important additional complications of TMVR related to the length and/or redundancy of the anterior mitral valve that have been recognized after mitral valve surgery and have not been previously reported in the setting of TMVR...
May 4, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28458379/long-term-outcomes-of-suture-vs-ring-tricuspid-annuloplasty-for-functional-tricuspid-regurgitation
#4
Hiroki Hata, Tomoyuki Fujita, Sayaka Miura, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Kizuku Yamashita, Junjiro Kobayashi
BACKGROUND: Whether there is a significant difference in the long-term surgical outcomes between suture annuloplasty and ring annuloplasty for the treatment of functional tricuspid regurgitation (TR) is still controversial. We compared the long-term outcomes of tricuspid annuloplasty (TAP) with and without an annuloplasty ring.Methods and Results:From January 1996 to December 2015, we consecutively enrolled 684 patients (mean age, 65.5 years; 60% women) undergoing TAP for functional TR: 312 underwent conventional suture annuloplasty (Group S) and 372 underwent ring annuloplasty (Group R)...
April 29, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28444177/single-centre-experience-with-transapical-transcatheter-mitral-valve-implantation%C3%A2
#5
Gry Dahle, Kjell-Arne Rein, Arnt E Fiane
OBJECTIVES: A transcatheter heart valve technique can be used in failed mitral valve repairs with annuloplasty rings, deterioriated bioprostheses and in mitral annular calcification, all serving as 'docking stations' for balloon-expandable valves. Specially designed transcatheter mitral valve platforms are used in ongoing studies for native mitral valve regurgitation. We present our single centre experience with transcatheter mitral valve implantation-transapical approach procedures in eleven patients...
April 21, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28429161/on-the-in-vivo-function-of-the-mitral-heart-valve-leaflet-insights-into-tissue-interstitial-cell-biomechanical-coupling
#6
Chung-Hao Lee, Will Zhang, Kristen Feaver, Robert C Gorman, Joseph H Gorman, Michael S Sacks
There continues to be a critical need for developing data-informed computational modeling techniques that enable systematic evaluations of mitral valve (MV) function. This is important for a better understanding of MV organ-level biomechanical performance, in vivo functional tissue stresses, and the biosynthetic responses of MV interstitial cells (MVICs) in the normal, pathophysiological, and surgically repaired states. In the present study, we utilized extant ovine MV population-averaged 3D fiducial marker data to quantify the MV anterior leaflet (MVAL) deformations in various kinematic states...
April 20, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28427597/intentional-percutaneous-laceration-of%C3%A2-the%C3%A2-anterior-mitral-leaflet-to-prevent%C3%A2-outflow%C3%A2-obstruction-during-transcatheter-mitral-valve-replacement-first-in-human%C3%A2-experience
#7
Vasilis C Babaliaros, Adam B Greenbaum, Jaffar M Khan, Toby Rogers, Dee Dee Wang, Marvin H Eng, William W O'Neill, Gaetano Paone, Vinod H Thourani, Stamatios Lerakis, Dennis W Kim, Marcus Y Chen, Robert J Lederman
OBJECTIVES: This study sought to use a new catheter technique to split the anterior mitral valve leaflet (AML) and prevent iatrogenic left ventricular outflow tract (LVOT) obstruction immediately before transcatheter mitral valve replacement (TMVR). BACKGROUND: LVOT obstruction is a life-threatening complication of TMVR, caused by septal displacement of the AML. METHODS: The procedure was used in patients with severe mitral valve disease and prohibitive surgical risk...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28414667/the-mysterious-case-of-dyspnea
#8
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/28342841/use-of-a-parallel-stiff-wire-to-facilitate-percutaneous-impella-rp-ventricular-assist-device-positioning
#9
Francesco Giannini, Matteo Montorfano, Richard J Jabbour, Azeem Latib, Neil Ruparelia, Lorenzo Azzalini, Valeria Magni, Vittorio Romano, Michele De Bonis, Federico Pappalardo, Antonio Colombo
Despite optimal medical management, some patients with severe right ventricular failure fail to respond and may benefit from additional support with the implantation of a RV assist device. Experience to date with Impella RP is limited. We report a case of percutaneous Impella RP implantation, using a parallel stiff wire to reduce anatomical tortuosity by acting as a buddy-wire to facilitate device implantation and reduce the risk of tricuspid ring damage in a patient recently treated with tricuspid ring annuloplasty...
March 15, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28329369/long-term-results-up-to-14-years-of-the-clover-technique-for-the-treatment-of-complex-tricuspid-valve-regurgitation%C3%A2
#10
Michele De Bonis, Elisabetta Lapenna, Stefania Di Sanzo, Benedetto Del Forno, Federico Pappalardo, Alessandro Castiglioni, Luca Vicentini, Alberto Pozzoli, Ilaria Giambuzzi, Azeem Latib, Davide Schiavi, Giovanni La Canna, Ottavio Alfieri
OBJECTIVES: To report the long-term results of the clover technique for the treatment of complex forms of tricuspid regurgitation (TR). METHODS: Ninety-six consecutive patients (mean age 60 ± 16.4, left ventricular ejection fraction 58 ± 8.8%) with severe or moderately-severe TR due to important leaflets prolapse/flail (81 patients), tethering (13 patients) or mixed (2 patients) lesions underwent clover repair combined with annuloplasty. The aetiology of TR was degenerative in 74 cases (77...
February 23, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28329364/the-effect-of-different-mitral-annuloplasty-rings-on-valve-geometry-and-annular-stress-distribution%C3%A2
#11
Søren Nielsen Skov, Diana Mathilde Røpcke, Marcell Juan Tjørnild, Christine Ilkjær, Jonas Rasmussen, Hans Nygaard, Morten Olgaard Jensen, Sten Lyager Nielsen
OBJECTIVES: To characterize the remodelling effects and deformational forces of normosized rigid, semirigid and flexible mitral annuloplasty rings after implantation in healthy pigs. METHODS: Measurements were performed in vivo with 80-kg porcine animals. Twenty-eight animals were randomized into a no ring group, a flexible ring group (Duran AnCore Ring, Medtronic, Minneapolis, MN, USA), a rigid ring group (Carpentier-Edwards Classic annuloplasty ring, Edwards Lifesciences, Irvine, CA, USA) and a semirigid ring group (Carpentier-Edwards Physio I annuloplasty ring, Edwards Lifesciences)...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329295/flow-dynamics-assessment-of-mitral-valve-surgery-by-intraoperative-vector-flow-mapping
#12
Koichi Akiyama, Naotoshi Nakamura, Keiichi Itatani, Yoshifumi Naito, Mao Kinoshita, Masaru Shimizu, Saeko Hamaoka, Hideya Kato, Hiroaki Yasumoto, Yasufumi Nakajima, Toshiki Mizobe, Satoshi Numata, Hitoshi Yaku, Teiji Sawa
OBJECTIVES: We assessed vortex patterns and energy loss in left ventricular flow in patients who underwent mitral valve repair or replacement with bioprosthetic valves. METHODS: Vector flow mapping was performed before and after the procedure in 15 and 17 patients who underwent repair and replacement, respectively. The preprocedure mitral-septal angle was measured in all patients. Relationships between vortex patterns or energy loss change (ELC) and annuloplasty ring or bioprosthetic valve sizes or the effect of mitral leaflet resection in the repair group were statistically analysed...
February 22, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329156/medtronic-duran-ancore-versus-edwards-mc3-rings-for-tricuspid-annuloplasty
#13
Seok In Lee, Ho Jin Kim, Joon Bum Kim, Sung-Ho Jung, Suk Jung Choo, Cheol Hyun Chung, Jae Won Lee
OBJECTIVES: Ring annuloplasty is now regarded as the standard surgical technique for the correction of tricuspid regurgitation (TR). However, comparative research on the durability of commercially available annuloplasty rings is limited. We reviewed early and late surgical results of tricuspid annuloplasty using the Duran AnCore and Edwards MC3 rings. METHODS: From our institutional prospective cardiac surgical database, we identified 581 adult patients (55.9 ± 12...
February 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28327156/mycobacterium-goodii-endocarditis-following-mitral-valve-ring-annuloplasty
#14
Rohan B Parikh, Matthew Grant
BACKGROUND: Mycobacterium goodii is an infrequent human pathogen which has been implicated in prosthesis related infections and penetrating injuries. It is often initially misidentified as a gram-positive rod by clinical microbiologic laboratories and should be considered in the differential diagnosis. CASE PRESENTATION: We describe here the second reported case of M. goodii endocarditis. Species level identification was performed by 16S rDNA (ribosomal deoxyribonucleic acid) gene sequencing...
March 21, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28297697/evaluation-of-infection-resistance-of-biodegradable-versus-conventional-annuloplasty-rings-in-an-in-vivo-rat-subcutaneous-model
#15
Ilhan Ozgol, Burak Can Depboylu, Aybala Tongut, Sinem Ozdemir, Yasar Bagdatlı, Sanaz Ainechi, Buge Oz, Jean-Claude Pache, Selim Erenturk, Afksendiyos Kalangos, Ali Can Hatemi, Mustafa Cikirikcioglu
BACKGROUND: Biodegradable atrioventricular annuloplasty rings are theoretically more infection resistant due to their intra-annular implantation technique and nonporous structures (monofilament of poly-1,4-dioxanone). The aim of this study was to investigate the infection resistance of a biodegradable annuloplasty ring (Kalangos-Bioring®) in a rat subcutaneous implantation model and to compare it with a commonly used conventional annuloplasty ring (Edwards Physio II®). METHODS: This study included 32 Wistar albino rats which were divided into 2 groups according to the implantation of sterile or infected annuloplasty rings as control and study groups...
2017: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/28290168/early-results-of-rheumatic-mitral-valve-repair
#16
Giuseppe Petrone, Panagiotis Theodoropoulos, Prakash P Punjabi
BACKGROUND: Mitral valve repair (MVr) in rheumatic heart disease (RHD) remains challenging. The present authors' surgical experience of MVr in 56 patients with RHD operated in between January 2011 and September 2014 is reported. METHODS: Among the patients (mean age 32 ± 11 years), 11 were in NYHA functional class II, 32 in class III, and seven in class IV. An adequate or oversized autologous pericardial patch was sutured to extend the coaptating edge of both the anterior leaflet (in 18 patients) and the posterior leaflet (in 30 patients)...
November 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28273682/determinants-of-recurrent-tricuspid-regurgitation-following-tricuspid-valve-annuloplasty-during-mitral-valve-surgery
#17
Hisato Ito, Toru Mizumoto, Yasuhiro Sawada, Kazuya Fujinaga, Hironori Tempaku, Hideto Shimpo
BACKGROUND: The purpose of this study was to determine risk predictors for recurrent tricuspid regurgitation (TR) following tricuspid valve annuloplasty during mitral valve surgery. METHODS: Ninety-eight consecutive patients underwent tricuspid valve annuloplasty concomitant with mitral valve repair (71 patients), replacement (16 patients), or other procedures over a 10-year period. Fifty-seven patients underwent surgery with a flexible band and 41 with a rigid ring...
April 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28238123/challenging-mitral-valve-repair-for-double-orifice-mitral-valve-with-noncompaction-of-left-ventricular-myocardium
#18
Manabu Yamasaki, Hiroyasu Misumi, Kohei Abe, Kohei Kawazoe
Double-orifice mitral valve (DOMV) is a relatively rare cardiac anomaly. Although usually associated with various cardiac anomalies, co-presence of DOMV and noncompaction of left ventricular myocardium (NCLVM) is extremely rare. Here, we present a 24-year-old male who underwent mitral valve repair using artificial chordae and annuloplasty at the posterior commissure for severe mitral regurgitation (MR), resulting from flail anterior leaflet of the larger postero-medial orifice and dilatation of left ventricle with NCLVM...
February 25, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28236633/repair-or-replacement-for-isolated-tricuspid-valve-pathology-insights-from-a-surgical-analysis-on-long-term-survival
#19
Mina Farag, Rawa Arif, Anton Sabashnikov, Mohamed Zeriouh, Aron-Frederik Popov, Arjang Ruhparwar, Bastian Schmack, Pascal M Dohmen, Gábor Szabó, Matthias Karck, Alexander Weymann
BACKGROUND Long-term follow-up data concerning isolated tricuspid valve pathology after replacement or reconstruction is limited. Current American Heart Association guidelines equally recommend repair and replacement when surgical intervention is indicated. Our aim was to investigate and compare operative mortality and long-term survival in patients undergoing isolated tricuspid valve repair surgery versus replacement. MATERIAL AND METHODS Between 1995 and 2011, 109 consecutive patients underwent surgical correction of tricuspid valve pathology at our institution for varying structural pathologies...
February 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28211352/chronic-urticaria-after-implantation-of-a-mitral-annuloplasty-ring-in-a-nickel-allergic-patient
#20
M A Díaz Palacios, R López-Salgueiro, G Mencía Sanchez, A Martínez Romero, A Morales-Rubio, D Hernández Fernández de Rojas
No abstract text is available yet for this article.
2017: Journal of Investigational Allergology & Clinical Immunology
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