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Mitral valve surgery

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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/28532777/predictive-value-of-age-adjusted-charlson-co-morbidity-index-for-1-3-and-5-year-mortality-in-patients-requiring-transcatheter-mitral-valve-repair
#2
Mike Saji, Marc R Katz, Gorav Ailawadi, Dale E Fowler, Michael Ragosta, D Scott Lim
Co-morbidities increase markedly with aging, and they often negatively affect its prognosis. Although mortality with transcatheter mitral valve repair (TMVr) is significantly less than for open mitral valve surgery in patients at high surgical risk, it remains a concern to identify which patients will benefit from this treatment. Some prognostic metrics have been reported to guide better patient selection; however, universal risk stratification measures have not been established. This study aimed to determine if age-adjusted Charlson co-morbidity index (CCI) could predict mortality in patients who underwent TMVr and to assess its discriminatory performance in long-term outcomes...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28531333/the-flaws-in-the-detail-of-an-observational-study-on-transcatheter-aortic-valve-implantation-versus-surgical-aortic-valve-replacement-in-intermediate-risks-patients
#3
Fabio Barili, Nick Freemantle, Thierry Folliguet, Claudio Muneretto, Michele De Bonis, Martin Czerny, Jean Francois Obadia, Nawwar Al-Attar, Nikolaos Bonaros, Jolanda Kluin, Roberto Lorusso, Prakash Punjabi, Rafael Sadaba, Piotr Suwalski, Umberto Benedetto, Andreas Böning, Volkmar Falk, Miguel Sousa-Uva, Pieter A Kappetein, Lorenzo Menicanti
The PARTNER group recently published a comparison between the latest generation SAPIEN 3 transcatheter aortic valve implantation (TAVI) system (Edwards Lifesciences, Irvine, CA, USA) and surgical aortic valve replacement (SAVR) in intermediate-risk patients, apparently demonstrating superiority of the TAVI and suggesting that TAVI might be the preferred treatment method in this risk class of patients. Nonetheless, assessment of the non-randomized methodology used in this comparison reveals challenges that should be addressed in order to elucidate the validity of the results...
June 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28524029/-predictive-value-of-left-ventricular-diastolic-dysfunction-on-mechanical-ventilation-weaning
#4
Hui Wang, Ming Ma, Desheng Chen, Gang Li, Shupeng Wang, Jingen Xia, Jun Duan
OBJECTIVE: To investigate the predictive value of left ventricular diastolic function on mechanical ventilation weaning in patients with left ventricular ejection fraction (LVEF) > 0.50. METHODS: A retrospective case control study was conducted. Sixty-five patients with LVEF > 0.50 undergoing mechanical ventilation for more than 48 hours admitted to surgery intensive care unit (ICU) of China-Japan Friendship Hospital from June 2014 to December 2016 were enrolled...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28523174/rupture-of-gore-tex-neochordae-10-years-after-mitral-valve-repair
#5
Makoto Mori, Philip Y K Pang, Sabet W Hashim
The current non-resectional paradigm in mitral valve (MV) repair emphasizes the use of polytetrafluoroethylene (PTFE) for artificial chordal replacement. While excellent long-term durability of repair using PTFE neochordae has been established, there have been rare reports of neochordal rupture at various times after surgery. We report a case of artificial chordal rupture 10 years after anterior mitral leaflet repair, necessitating reoperation. This complication may have been precipitated by maldistributed intracardiac tensile forces as a consequence of a malpositioned annuloplasty band...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28523023/surgical-repair-of-partial-atrioventricular-septal-defect
#6
Tariq Waqar, Muhammad Usman Riaz, Muhammad Shuaib
OBJECTIVE: To review the results of surgical correction of partial atrioventricular septal defect and associated cardiac comorbidities. METHODS: Retrospective case analysis of electronic database of department of paediatrics cardiac surgery, CPEIC, Multan was done. Forty consecutive patients operated for partial atrioventricular septal defect repair from September 2011 to October 2016 were included. Mean age was 14.67±7.96 years. 60% (24) patients were male. Regarding echocardiographic findings, pre-operatively 40% (n=16) had mild, 47...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28520541/outcomes-and-prognostic-factors-for-adult-patients-with-congenital-heart-disease-undergoing-primary-or-reoperative-systemic-atrioventricular-valve-surgery
#7
Elizabeth H Stephens, Jiho Han, Jonathan Ginns, Marlon Rosenbaum, Paul Chai, Emile Bacha, David Kalfa
BACKGROUND: Adults with congenital heart disease (ACHD) undergoing systemic atrioventricular valve (SAVV) surgery are a complex, understudied population. We assessed midterm outcomes and prognostic factors in ACHD undergoing SAVV surgery. METHODS: We performed retrospective evaluation of ACHD undergoing SAVV surgery from January 2005 to February 2016: 14 (33%) patients with congenital mitral valve stenosis/regurgitation, 15 (35%) with atrioventricular septal defect (AVSD), and 14 (33%) with congenitally corrected transposition of the great arteries (ccTGA) with systemic tricuspid valve regurgitation...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28517030/gerbode-defect-and-multivalvular-dysfunction-complex-complications-in-adult-congenital-heart-disease
#8
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/28512734/mitral-valve-aneurysms-clinical-characteristics-echocardiographic-abnormalities-and-possible-mechanisms-of-formation
#9
José Luiz B Pena, Tarciso O Bomfim, Paulo R L Fortes, Charles Simão-Filho, José de Souza Andrade-Filho
AIMS: Mitral valve aneurysms (MVA) are most frequently associated with endocarditis. Echocardiography is the method of choice for diagnosis, and color flow imaging is an important, easy method to detect MVA ruptures. We aimed to study the clinical and echocardiographic findings and their relation to the mechanism of aneurysm formation. METHODS AND RESULTS: We reviewed clinical and echocardiographic records of 18 patients during a 17-year period, corresponding to 0...
May 16, 2017: Echocardiography
https://www.readbyqxmd.com/read/28511922/simultaneous-transseptal-para-ring-leak-closure-and-transcatheter-mitral-valve-implantation-for-the-treatment-of-surgical-mitral-repair-failure
#10
James Roy, Mehdi Eskandari, Mark Monaghan, Olaf Wendler, Jonathan Byrne, Philip MacCarthy
Repeat cardiac surgery in patients with a previous sternotomy is associated with significant morbidity and mortality. While transcatheter aortic valve implantation in high risk surgical patients is now well established, experience with transcatheter mitral valve replacement is still at an early stage. Although many successful reports of transcatheter mitral valve replacements now exist, the predominant approach has been via a transapical approach. It is likely that, as with the evolution of favoured access routes for transcatheter aortic therapies, future directions for transcatheter mitral valves will focus on smaller delivery systems favouring the transvenous transseptal approach where possible...
April 6, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28509760/global-longitudinal-strain-predicts-outcome-after-mitraclip-implantation-for-secondary-mitral-regurgitation
#11
Rodolfo Citro, Cesare Baldi, Patrizio Lancellotti, Angelo Silverio, Gennaro Provenza, Michele Bellino, Michele R Di Muro, Generoso Mastrogiovanni, Roberta De Rosa, Gennaro Galasso, Eduardo Bossone, Pietro Giudice, Federico Piscione
AIM: The aim of this study was to assess preoperative determinants, prevalence, and prognostic impact of left ventricular (LV) reverse remodeling (LVRR) in patients with secondary mitral regurgitation (SMR), undergoing MitraClip implantation (MCi). METHODS: From March 2012 to January 2015, a total of 41 consecutive patients with moderate-to-severe SMR treated successfully with MCi were enrolled. All patients underwent clinical and echocardiographic follow-up after MCi...
May 13, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28509527/robotically-assisted-minimally-invasive-mitral-valve-surgery
#12
(no author information available yet)
No abstract text is available yet for this article.
March 2017: Clinical Privilege White Paper
https://www.readbyqxmd.com/read/28506938/dynamic-transcatheter-mitral-valve-repair-a-new-concept-to-treat-functional-mitral-regurgitation-using-an-adjustable-spacer
#13
Miriam Silaschi, Niki Nicou, Mehdi Eskandari, Omar Aldalati, Christopher Seguin, Thomas Piemonte, Theresa McDonagh, Rafal Dworakowski, Jonathan Byrne, Philip MacCarthy, Mark Monaghan, Olaf Wendler
We report about the first-in-man implantation of the Mitra-SpacerTM (Cardiosolutions Inc., West Bridgewater, MA/USA). It was implanted transapically. FMR was reduced to moderate degree. At two-months, while in NYHA II, LVEF had improved, but FMR increased and 2mL was added, reducing FMR to mild degree. Despite anticoagulation, thrombi developed around the device and the valve was replaced at eight-months. The Mitra-SpacerTM successfully bridged this patient to surgery after LVEF had recovered.
May 16, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28506547/transcatheter-mitral-valve-interventions-for-mitral-regurgitation-with-special-focus-on-mitraclip-the-position-of-spanish-portuguese-and-italian-interventional-societies
#14
Rodrigo Estévez-Loureiro, Xavier Freixa, Dabit Arzamendi, Armando Perez de Prado, Rui Campante-Teles, Bruno Melica, Giuseppe Tarantini, Giuseppe Musumeci, Manuel Pan
Mitral regurgitation is a common valvular heart disease and its prevalence is expected to increase with population ageing. In the recent years we have witnessed the evolution of several transcatheter devices to correct mitral regurgitation in patients at high-risk for surgery. Most of the evidence of the safety and efficacy of this new therapy comes from MitraClip studies. However, new alternatives have emerged with promising results. The aim of this position paper is to review the current evidence regarding patient selection, expected results and timing for transcatheter mitral valve interventions from the perspective of three European interventional societies...
May 9, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28505628/markers-of-intestinal-damage-and-their-relation-to-cytokine-levels-in-cardiac-surgery-patients
#15
Quirine L M Habes, Vera Linssen, Suzan Nooijen, Dorien Kiers, Jelle Gerretsen, Peter Pickkers, Gert Jan Scheffer, Matthijs Kox
OBJECTIVES: In patients undergoing cardiac surgery, both extracorporeal circulation (ECC) and intraoperative mesenterial hypoperfusion may account for increased cytokine levels and lead to postoperative gastrointestinal (GI) symptoms. METHODS: We investigated levels of the intestinal damage markers intestinal fatty acid binding protein (I-FABP in plasma [n = 72] and urine [n = 37]), citrulline (in plasma [n = 35]), and claudin-3 (in urine [n = 37]) in patients undergoing aortic or mitral valve surgery with or without coronary artery bypass grafting...
June 2017: Shock
https://www.readbyqxmd.com/read/28503837/efficacy-of-protocol-based-pharmacotherapy-management-on-anticoagulation-with-warfarin-for-patients-with-cardiovascular-surgery
#16
Y Katada, S Nakagawa, K Minakata, M Odaka, H Taue, Y Sato, A Yonezawa, Y Kayano, I Yano, T Nakatsu, K Sakamoto, K Uehara, H Sakaguchi, K Yamazaki, K Minatoya, R Sakata, K Matsubara
WHAT IS KNOWN AND OBJECTIVE: Anticoagulation therapy with warfarin requires periodic monitoring of prothrombin time-international normalized ratio (PT-INR) and adequate dose adjustments based on the data to minimize the risk of bleeding and thromboembolic events. In our hospital, we have developed protocol-based pharmaceutical care, which we called protocol-based pharmacotherapy management (PBPM), for warfarin therapy. The protocol requires pharmacists to manage timing of blood sampling for measuring PT-INR and warfarin dosage determination based on an algorithm...
May 15, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28501911/analysis-of-circumflex-artery-anatomy-by-real-time-3d-transesophageal-echocardiography-compared-to-cardiac-computed-tomography
#17
Carmine Bevilacqua, Sarah Eibel, Borek Foldyna, Thomas Knoefler, Lukas Lehmkuhl, Matthias Gutberlet, Chirojit Mukherjee, Joerg Seeburger, Piroze Davierwala, Joerg Ender
Iatrogenic injury to the circumflex artery (Cx) due to its close proximity to the mitral annulus is a rare but dreadful complication that can occur during mitral valve repair. The aim of our study was to compare multiple measurements of the Cx datasets, obtained by real time three-dimensional transesophageal echocardiography (RT3D TEE) and corresponding measurements assessed in multi-planar three-dimensional images acquired by multidetector computed tomography (MDCT). Preoperative RT3D TEE and MDCT datasets of 25 patients who had previously undergone minimally invasive mitral valve surgery were retrospectively analyzed...
May 13, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28499671/tricuspid-annuloplasty-versus-a-conservative-approach-in-patients-with-functional-tricuspid-regurgitation-undergoing-left-sided-heart-valve-surgery-a-study-level-meta-analysis
#18
Matteo Pagnesi, Claudio Montalto, Antonio Mangieri, Eustachio Agricola, Rishi Puri, Mauro Chiarito, Marco B Ancona, Damiano Regazzoli, Luca Testa, Michele De Bonis, Neil E Moat, Josep Rodés-Cabau, Antonio Colombo, Azeem Latib
BACKGROUND: Tricuspid valve (TV) repair at the time of left-sided valve surgery is indicated in patients with either severe functional tricuspid regurgitation (TR) or mild-to-moderate TR with coexistent tricuspid annular dilation or right heart failure. We assessed the benefits of a concomitant TV repair strategy during left-sided surgical valve interventions, focusing on mortality and echocardiographic TR-related outcomes. METHODS: A meta-analysis was performed of studies reporting outcomes of patients who underwent left-sided (mitral and/or aortic) valve surgery with or without concomitant TV repair...
May 5, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28497556/mitral-arcade-a-rare-case-presenting-with-fatigue-and-cough
#19
Derya Aydın Sahin, Ozben Ceylan
An 11-year-old girl was admitted to pediatric emergency unit with complaints of fatigue and cough. The patient had no previous complaints. There was no history of rheumatic heart disease. The height and duration of the P-wave was 4 mm and 0.16 seconds, respectively (p mitrale). Echocardiography showed enlarged left atrium (51×61 mm in diameter). Both the anterolateral and posteromedial papillary muscles were directly attached to the anterior and posterior mitral valve leaflets without tendinous chords. The patient was diagnosed with mitral arcade, severe mitral stenosis, and mitral regurgitation...
May 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28496076/-early-results-of-complex-fractionated-atrial-electrogram-mapping-guided-atrial-fibrillation-surgery
#20
Kazuaki Fukahara, Mari Sakai, Shigeki Yokoyama, Toshio Doi, Naoki Yoshimura
OBJECTIVE: Although the Cox-maze operation is the standard surgical procedure for permanent atrial fibrillation(AF), conversion to sinus rhythm is limited by patient characteristics, including the duration of AF, atrial size, and voltage of fibrillation waves. A surgical strategy based on structural alteration of the electrical substrates of AF is required to achieve better outcomes of AF surgery. Complex fractionated atrial electrogram (CFAE) plays an important role in the electrical substrate of AF...
May 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
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