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https://www.readbyqxmd.com/read/28203545/robotic-mitral-repair-for-barlow-s-disease-with-bileaflet-prolapse-and-annular-calcification-using-pericardial-patch-technique
#1
REVIEW
Didier F Loulmet, Michael S Koeckert, Peter J Neuburger, Robert Nampiaparampil, Eugene A Grossi
No abstract text is available yet for this article.
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28203538/robotic-mitral-valve-repair-for-degenerative-posterior-leaflet-prolapse
#2
Hoda Javadikasgari, Rakesh M Suri, Bassman Tappuni, Ashley M Lowry, Tomislav Mihaljevic, Stephanie Mick, A Marc Gillinov
BACKGROUND: Robotic mitral valve (MV) repair is the least invasive surgical approach to the MV and provides unparalleled access to the valve. We sought to assess technical aspects and clinical outcomes of robotic MV repair for isolated posterior leaflet prolapse by examining the first 623 such cases performed in a tertiary care center. METHODS: We reviewed the first 623 patients (mean age 56±9.7 years) with isolated posterior leaflet prolapse who underwent robotic primary MV repair from 01/2006 to 11/2013...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28195687/the-adjustable-slipknot-technique-for-implanting-neochordae-in-the-repair-of-mitral-valve-prolapse
#3
Mitsuhiro Yano, Masakazu Matsuyama, Masanori Nishimura, Katsuya Kawagoe
The adjustable slipknot technique is a novel procedure for implanting neochordae. The neochorda acts like a lasso. The procedure facilitates accurate assessment of the length of the neochordae. We performed repairs for 30 of 31 (97.7%) patients using this technique. Less than mild residual regurgitation was observed in all patients at hospital discharge.
December 6, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28155223/evaluation-of-prolonged-qt-interval-structural-heart-disease-mimicking-long-qt-syndrome
#4
Adaya Weissler-Snir, Michael H Gollob, Vijay Chauhan, Melanie Care, Danna A Spears
BACKGROUND: In about 20-25% of patients with congenital long QT syndrome (LQTS) a causative pathogenic mutation is not found. The aim of this study was to explore the prevalence of alternative cardiac diagnoses among patients exhibiting prolongation of QT interval with negative genetic testing for LQTS genes. METHODS: We conducted a retrospective analysis of 239 consecutive patients who were evaluated in the inherited arrhythmia clinic at the Toronto General Hospital between July 2013 and December 2015 for possible LQTS...
February 3, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28149609/transapical-beating-heart-chordae-implantation-in-mitral-regurgitation-a-new-horizon-for-repairing-mitral-valve-prolapse
#5
EDITORIAL
Patrizio Lancellotti, Marc Radermecker, Rodolphe Durieux, Thomas Modine, Cécile Oury, Khalil Fattouch
No abstract text is available yet for this article.
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28149574/ischemic-mitral-valve-prolapse
#6
REVIEW
Francesco Nappi, Spadaccio Cristiano, Antonio Nenna, Massimo Chello
Ischemic mitral prolapse (IMP) is a pathologic entity encountered in about one-third among the patients undergoing surgery for ischemic mitral regurgitation (IMR). IMP is generally the result of a papillary muscle injury consequent to myocardial, but the recent literature is progressively unveiling a more complex pathogenesis. The mechanisms underlying its development regards the impairment of one or more components of the mitral apparatus, which comprises the annulus, the chordae tendineae, the papillary muscle and the left ventricular wall...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28130793/twist-deformation-for-predicting-postoperative-left-ventricular-function-in-patients-with-mitral-regurgitation-a-speckle-tracking-echocardiography-study
#7
Ozkan Candan, Suzan Hatipoglu Akpinar, Cem Dogan, Aykut Demirkıran, Barış Dindar, Zubeyde Bayram, Fatih Yılmaz, Cihangir Kaymaz, Nihal Ozdemir
PURPOSE: Postoperative LV dysfunction is associated with poor prognosis and increased mortality in patient with mitral regurgitation undergoing surgery. With this study, we aimed to investigate the predictive value of classic and speckle tracking echocardiographic (STE) LV deformational parameters for estimating postoperative LV dysfunction. METHODS: Fifty-nine asymptomatic patients with severe mitral regurgitation (MR) due to mitral valve prolapse, who had sinus rhythm and LV ejection fraction (EF) ≥50%, were included...
January 28, 2017: Echocardiography
https://www.readbyqxmd.com/read/28124513/a-systematic-review-and-meta-analysis-of-chordal-replacement-versus-leaflet-resection-for-isolated-posterior-mitral-valve-prolapse
#8
Christos G Mihos, Evin Yucel, Orlando Santana
INTRODUCTION: Chordal replacement (Chord MVr) for isolated posterior mitral valve prolapse allows for preservation of the native mitral valve apparatus. The potential benefits of this approach, as compared with leaflet resection (Resection), are not clearly defined. EVIDENCE ACQUISITION: A systematic review and meta-analysis was conducted on operative, clinical, and echocardiographic outcomes. Risk ratios (RR) were calculated by the Mantel-Haenszel method under a fixed or random effects model, as appropriate...
January 25, 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28106962/the-adjustable-slipknot-technique-for-implanting-neochordae-in-the-repair-of-mitral-valve-prolapse
#9
Mitsuhiro Yano, Masakazu Matsuyama, Masanori Nishimura, Katsuya Kawagoe
The adjustable slipknot technique is a novel procedure for implanting neochordae. The neochorda acts like a lasso. The procedure facilitates accurate assessment of the length of the neochordae. We performed repairs for 30 of 31 (97.7%) patients using this technique. Less than mild residual regurgitation was observed in all patients at hospital discharge.
December 6, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28106961/optimal-surgical-mitral-valve-repair-in-barlow-s-disease-the-concept-of-functional-prolapse
#10
Rjm Klautz, A Tomi, M Palmen, T J van Brakel, Patrick Perier
Barlow's disease presents the most severe form of degenerative mitral valve disease as it normally affects various valvular structures and segments. We discuss the technical aspects of mitral valve repair in this setting. Furthermore, the concept of "functional prolapse" of the mitral valve is discussed as well as recommendations on when to proceed with surgical correction of anterior leaflet prolapse.
December 6, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28104197/simplified-mitral-valve-repair-in-pediatric-patients-with-connective-tissue-disorders
#11
Luca A Vricella, William A Ravekes, Eloisa Arbustini, Robert D B Jaquiss, Constantine Mavroudis, Harry C Dietz, Marshall L Jacobs, Narutoshi Hibino, Duke E Cameron
BACKGROUND: In pediatric patients with connective tissue disorders (CTDs), early cardiac presentation often involves severe mitral regurgitation (MR) associated with severe bileaflet prolapse and, less frequently, aortic root enlargement. We adopted a simplified repair to address MR and prevent systolic anterior motion (SAM) in this unique group of patients. MATERIALS AND METHODS: Retrospective review of clinical and echocardiographic data of all pediatric patients (age < 18 years) with CTD and MR undergoing simplified repair at 3 institutions (2000-2014)...
February 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28038944/numerical-simulation-of-mitral-valve-prolapse-considering-the-effect-of-left-ventricle
#12
Seyedvahid Khodaei, Nasser Fatouraee, Malikeh Nabaei
Heart failure is one of the most important issues that has been investigated in recent research studies. Variations that occur in apparatus of mitral valve, such as chordae tendineaea rupture, can affect the valve function during ventricular contraction and lead to regurgitation from the left ventricle into the left atrium. One method for understanding mitral valve function in such conditions is computational analysis. In this paper, we develop a finite element model of mitral valve prolapse, considering the direct effect of left ventricular motion on blood flow interacting with the mitral valve...
December 28, 2016: Mathematical Biosciences
https://www.readbyqxmd.com/read/28031650/endovascular-repair-of-bilateral-internal-mammary-artery-aneurysms-in-a-patient-with-marfan-syndrome-a-case-report
#13
Hazem Alhawasli, Amir Darki, Bruce E Lewis
Marfan syndrome (MFS) is an autosomal dominant condition that is caused by abnormal synthesis of connective tissue. The syndrome classically affects the ocular, musculoskeletal, and cardiovascular systems. The most common cardiovascular manifestations include mitral valve prolapse/regurgitation and aortic aneurysms at high risk of rupture and dissection. However, internal mammary artery (IMA) true aneurysms are rarely reported. In this case report, we describe a 43-year-old male patient with MFS and three previous thoracotomies referred for endovascular repair of bilateral IMA true aneurysms...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28009965/chordal-shortening-for-anterior-mitral-leaflet-prolapse-and-the-maze-procedure-for-persistent-atrial-fibrillation
#14
Jong Hun Kim, Kyung Hwa Kim, Jong Bum Choi, Ja Hong Kuh
Letter to the Editor We read with great interest the report by Inoue et al. (Cusp-level chordal shortening for non-rheumatic mitralanterior leaflet prolapse in a patient with persistent atrial fibrillation. J Heart Valve Dis 2015;24:586-589) that described their mitral valve repair technique for anterior leaflet prolapse (ALP) and perioperative adaptive servo-ventilation (ASV) therapy for preventing the recurrence of atrial fibrillation after the maze procedure. Latent recurrence of atrial fibrillation after the maze procedure is caused by many factors...
July 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28007267/off-pump-neochord-mitral-valve-repair-to-simultaneously-treat-posterior-leaflet-prolapse-and-systolic-anterior-motion
#15
Stefano Salizzoni, Matteo Marro, Chiara Rovera, Giovanni Speziali, Mauro Rinaldi
This case represents the first report of complete elimination of systolic anterior motion by beating-heart implantation of artificial chordae tendineae on a prolapsing and redundant posterior leaflet.
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28007259/a-standardized-loop-technique-for-mitral-valve-repair
#16
Ilir Hysi, Olivier Rebet, Laurence Gautier, Olivier Fabre
The loop technique is widely used for mitral valve repair. However, estimation of the correct loops' length remains challenging. We describe a standardized technique with implantation of standardized 15- and 25-mm loops for posterior and anterior mitral prolapses. The number of loops and the site of their implantation are decided after a careful surgical valve analysis. This has shown reliable results in our initial experience in eight patients both, in sternotomy and minimally invasive surgery repairs, but needs further long-term evaluation...
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27989065/repair-of-anterior-mitral-leaflet-prolapse-comparison-of-mid-term-outcomes-with-chordal-transposition-and-chordal-replacement-techniques
#17
Thierry Bourguignon, Amine Mazine, Charles Laurin, Denis Bouchard, Phillippe Demers, Michel Pellerin
BACKGROUND: The repair of anterior mitral leaflet prolapse is known to be challenging. Hence, the study aim was to compare the mid-term results of anterior leaflet prolapse (ALP) using chordal transposition with results obtained using chordal replacement with expanded polytetrafluoroethylene (ePTFE) sutures. METHODS: Between 1999 and 2012, a total of 96 consecutive patients (mean age 62 years) with ALP underwent mitral valve repair at the authors' institution. Surgery involved either chordal transposition from the posterior to the anterior leaflet (n = 67), or chordal replacement using ePTFE sutures (n = 29)...
March 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27989043/distant-position-of-chordae-from-coaptation-causes-mitral-regurgitation-in-patients-with-atrial-fibrillation
#18
Yuji Itabashi, Hirotsugu Mihara, Javier Berdejo, Hiroto Utsunomiya, Takahiro Shiota
BACKGROUND: The study aim was to investigate the mechanism of mitral regurgitation (MR) in lone atrial fibrillation (AF) patients using three-dimensional (3D) transesophageal echocardiography (TEE). METHODS: A retrospective analysis was conducted of 64 patients with AF and a normal left ventricle, and without prolapse of the mitral valve. Among these patients, significant MR was not identified in 33 cases (AF+MR- group) but was present in 31 cases (AF+MR+ group)...
May 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27970234/tct-842-mitraclamp-a-new-promising-device-for-transcatheter-treatment-of-mitral-valve-prolapse
#19
Rachid Zegdi
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27942491/technical-aspects-of-robotic-posterior-mitral-valve-leaflet-repair
#20
REVIEW
Hoda Javadikasgari, Rakesh M Suri, Tomislav Mihaljevic, Stephanie Mick, A Marc Gillinov
Posterior mitral valve leaflet repair is safe, effective and durable and can be performed through conventional sternotomy or by using minimally invasive thoracoscopic or robotic-assisted approaches. Triangular resection with ventricularization, quadrangular resection with sliding or folding leaflet reconstruction, neochordae implantation and edge-to-edge leaflet repair are different techniques for eliminating the prolapsing mitral leaflet segment and restoring normal leaflet coaptation. Recent studies have demonstrated that minimally invasive approaches are associated with a reduced risk of postoperative complications, shorter hospital stay and improved cosmetic outcomes when compared to conventional sternotomy...
November 2016: Annals of Cardiothoracic Surgery
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