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ischemic mitral valve

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https://www.readbyqxmd.com/read/28645469/transcatheter-mitral-valve-repair-with-mitraclip-for-symptomatic-functional-mitral-valve-regurgitation
#1
REVIEW
Rodrigo Mendirichaga, Vikas Singh, Vanessa Blumer, Manuel Rivera, Alex P Rodriguez, Mauricio G Cohen, William W O'Neill, Sammy Elmariah
Transcatheter edge-to-edge mitral valve repair (TMVr) with MitraClip has proved to be safe and effective for high-risk surgical patients with severe symptomatic degenerative mitral regurgitation. There is paucity of data regarding its use in functional mitral regurgitation (FMR). The objective of this study was to evaluate the use of MitraClip in patients with symptomatic moderate or severe FMR and a high surgical risk. Medical libraries were systematically searched for studies assessing the use of MitraClip for patients with symptomatic moderate or severe FMR and a high surgical risk...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28626146/mitral-valve-structure-in-addition-to-myocardial-viability-determines-the-outcome-of-functional-mitral-regurgitation-after-coronary-artery-bypass-grafting
#2
Shohei Yoshida, Satsuki Fukushima, Shigeru Miyagawa, Teruya Nakamura, Yasushi Yoshikawa, Hiroki Hata, Shunsuke Saito, Daisuke Yoshioka, Keitaro Domae, Noriyuki Kashiyama, Kouji Yamamoto, Ayumi Shintani, Satoshi Nakatani, Koichi Toda, Yoshiki Sawa
BACKGROUND: Coronary artery bypass grafting (CABG) reduces functional mitral regurgitation (MR) associated with ischemic heart disease, although the predictive factors or mechanisms of reversibility of functional MR after CABG are not fully understood.We investigated whether mitral valve structure is associated with the outcome of functional MR after CABG.Methods and Results:From a consecutive series of 98 patients with mild-moderate functional MR preoperatively who underwent isolated CABG, we enrolled 66 patients who were followed up for >1 year postoperatively using echocardiography...
June 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28614214/a-rare-case-of-multiple-thrombi-in-a-giant-left-atrium
#3
Alfredo Intorcia, Marco A Perrone, Riccardo Morgagni, Domenico Sergi, Massimo Marchei, Mauro Borzi, Francesco Romeo
: Giant left atrium is frequently associated with rheumatic mitral valve disease. The incidence of left atrial thrombus among patients with mitral stenosis and atrial fibrillation varies from 7 to 38%. Anticoagulation therapy achieves a high rate of resolution of left atrial appendage (LAA) and left atrial cavity thrombi, but in selected patients surgical therapy must be considered. An 81-year-old woman presented to our emergency department with repeated episodes of transient ischemic attack. She had a history of carotid artery stenosis, chronic lymphocytic leukemia, rheumatic heart disease, and paroxysmal atrial fibrillation...
June 12, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28611348/early-detection-of-subclinical-aortic-valve-endocarditis-with-the-cardiomems-heart-failure-system
#4
Sinan Sarsam, Georgy Kaspar, Shukri David, Marcel Zughaib
BACKGROUND The CardioMEMS Heart Failure System is a well validated tool to optimize management of systolic and diastolic heart failure and has been shown to reduce the risk of hospitalization by 37%. We are reporting a unique case of acute aortic valve insufficiency as a first sign of endocarditis, detected early in a patient with the CardioMEMS device. CASE REPORT A 79-year-old man with dual bioprosthetic mitral and aortic valve replacement and non-ischemic cardiomyopathy had a CardioMEMS Heart Failure System implanted 2 months following valve replacement surgery...
June 14, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28606278/-efficacy-of-mitral-valve-repair-versus-replacement-in-severe-ischemic-mitral-regurgitation
#5
Z B Qiu, X Chen, M Xu, Y S Jiang, L M Wang, F H Huang, P S Liu, R Wang, F Xiang, J J Shao, W Qin
Objective: To compare the mortality, survival rate and the therapeutic efficacy between mitral valve repair and replacement as treatment for severe ischemic mitral regurgitation (IMR), and explore the middle- and long-term outcomes. Methods: Between January 2000 and January 2016, 378 patients with severe IMR underwent coronary artery bypass grafting (CABG) combined with mitral valve repair (n=162) or mitral valve replacement (n=216) in the Department of Cardiovascular Surgery of Nanjing First Hospital. Clinical data, in-hospital morbidity and mortality of patients were retrospectively reviewed...
June 13, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28589570/transapical-transcatheter-valve-in-ring-implantation-following-mitral-annuloplasty
#6
Steffen Pfeiffer, Laszlo Gazdag, Jürgen Jessl, Giuseppe Santarpino
Despite advances in surgical techniques for mitral valve repair, more than 20% of patients require reoperation within 10 years due to recurrence of severe mitral regurgitation. However, reoperations on the mitral valve are often associated with increased morbidity and mortality. We report a transapical mitral valve-in-ring implantation in a patient who had undergone mitral valve repair for ischemic mitral regurgitation using a complete semi-rigid Memo 3D mitral ring (LivaNova Group, Milan, Italy).
June 6, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28549693/mitral-valve-surgery-and-coronary-artery-bypass-grafting-for-moderate-to-severe-ischemic-mitral-regurgitation-meta-analysis-of-clinical-and-echocardiographic-outcomes
#7
Sohaib A Virk, David H Tian, Arunan Sriravindrarajah, Douglas Dunn, Hugh D Wolfenden, Rakesh M Suri, Stine Munkholm-Larsen, Christopher Cao
OBJECTIVE: This meta-analysis was conducted to compare clinical and echocardiographic outcomes following isolated coronary artery bypass grafting (CABG) versus CABG and mitral valve (MV) surgery in patients with moderate-to-severe ischemic mitral regurgitation (IMR). METHODS: Seven databases were systematically searched to identify relevant studies. For eligibility, studies were required to report on the primary endpoint of perioperative or late mortality. Data were analyzed according to predefined clinical endpoints...
July 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28549026/the-use-of-rapid-deployment-valves-in-combined-aortic-and-mitral-valve-surgery-one-year-clinical-and-echocardiographic-outcomes
#8
Markus Schlömicher, Matthias Bechtel, Zulfugar Taghiyev, Yazan Al-Jabery, Peter Lukas Haldenwang, Vadim Moustafine, Justus Thomas Strauch
OBJECTIVE: Patients undergoing multiple valve surgery represent a high-risk group who could potentially benefit from a reduction of cross-clamp and cardiopulmonary bypass times because prolonged bypass and cross-clamp times are considered independent risk factors for increased morbidity and mortality after cardiac surgery. METHODS: Between July 2013 and November 2014, 16 patients underwent rapid deployment aortic valve replacement with the EDWARDS INTUITY valve system in the setting of concomitant mitral disease...
May 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28544844/image-of-the-month-concomitant-tricuspid-and-mitral-native-valve-infective-endocarditis
#9
Su-Jin Jeong, Sang-Hoon Seol, Pil Sang Song
A 33-year-old immunocompetent man was admitted to the authors' hospital with a one-month duration of fevers, chills, and non-productive coughs, and suddenonset weakness and ischemic pain of both lower extremities. Physical examination revealed crepitating rales heard over bilateral lung fields. On auscultation, a grade 2~3/6 systolic murmur was heard over the leftlower sternal border and apical area. Transthoracic echocardiography revealed a mobile mass on the tricuspid valve compatible with vegetation, in addition to concomitant mitral valve vegetation (Video 1)...
January 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28487156/severe-ischemic-cardiomyopathy-with-mechanical-complications-still-a-surgical-disease
#10
Antonio M Calafiore, Angela L Iaco, Hatim Kheirallah, Azmat A Sheikh, Hussain Al Sayed, Mohammed El Rasheed, Ahmed Allam, Mohammed O Awadi, Juan J Alfonso, Ahmed A Osman, Michele Di Mauro
BACKGROUND: Surgical treatment of ischemic cardiomyopathy (ICM) with mechanical complications has been limited in favor of suboptimal treatments because of the perception of poor outcome. METHODS AND RESULTS: From May 2009 till June 2014 115 patients with severe ICM (ejection fraction, EF, ≤25%) and mechanical complications were operated on. Median EF was 24% (19, 24), mean end-systolic volume index (ESVi) was 86±27ml/m(2) and all patients had an MR grade of 2 or more...
May 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28458927/papillary-fibroelastoma-as-a-cause-of-cardiogenic-embolic-stroke-in-a-%C3%AE-thalassemia-patient-case-report-and-literature-review
#11
Re-I Chin, John J Monda, Maulik Sheth, William Ogle, Gloria Merenda, Debapriya De
We describe a case of a young male without stroke risk factors who presented with a sudden onset of left-sided weakness, left hand numbness, and left eye blurriness. CT scan of the head without contrast and diffusion-weighted MRI of the brain with contrast revealed an ischemic stroke in the right middle cerebral artery distribution. Transesophageal echocardiography (TEE) revealed a mobile pedunculated mass on the posterior surface of the mitral valve. This mass was resected and pathology showed a cardiac papillary fibroelastoma (CPFE), which was determined to be the cause of the patient's cardioembolic stroke...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28436306/cardiac-magnetic-resonance-imaging-has-limited-additional-yield-in-cryptogenic-stroke-evaluation-after-transesophageal-echocardiography
#12
Ava L Liberman, Rizwan E Kalani, Jessie Aw-Zoretic, Matthew Sondag, Vistasp J Daruwalla, Sumeet S Mitter, Richard Bernstein, Jeremy D Collins, Shyam Prabhakaran
Background The use of cardiac magnetic resonance imaging is increasing, but its role in the diagnostic work-up following ischemic stroke has received limited study. We aimed to explore the added yield of cardiac magnetic resonance imaging to identify cardio-aortic sources not detected by transesophageal echocardiography among patients with cryptogenic stroke. Methods A retrospective single-center cohort study was performed from 01 January 2009 to 01 March 2013. Consecutive patients who had both a stroke protocol cardiac magnetic resonance imaging and a transesophageal echocardiography preformed during a single hospitalization were included...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28425027/10-year-results-of-on-x-bileaflet-mechanical-heart-valve-in-the-aortic-position-low-target-inr-regimen-in-japanese
#13
Hideki Teshima, Masahiko Ikebuchi, Yosuke Miyamoto, Ryuta Tai, Toshikazu Sano, Yusuke Kinugasa, Hiroyuki Irie
OBJECTIVES: This study was designed to establish clinical outcomes after aortic valve replacement (AVR) with On-X bileaflet mechanical heart valve. METHODS: Between 2006 and 2014, AVR was performed to 686 patients. Of them, 78 patients using On-X valve were enrolled. The mean age was 65 ± 11 years (ranged 33-85); 65% were men; and 81% were in sinus rhythm preoperatively. Calcific or degenerative tricuspid aortic valve was present in 73%. Concomitant procedures included coronary artery bypass grafting (22%), Bentall (8%), mitral valve procedure (3%) and other (9%)...
April 19, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28414667/the-mysterious-case-of-dyspnea
#14
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/28411753/2016-update-to-the-american-association-for-thoracic-surgery-aats-consensus-guidelines-ischemic-mitral-valve-regurgitation
#15
Irving L Kron, Damien J LaPar, Michael A Acker, David H Adams, Gorav Ailawadi, Steven F Bolling, Judy W Hung, D Scott Lim, Michael J Mack, Patrick T O'Gara, Michael K Parides, John D Puskas
No abstract text is available yet for this article.
May 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28400932/role-of-quantitative-wall-motion-analysis-in-patients-with-acute-chest-pain-at-emergency-department
#16
Kyung-Hee Kim, Sang-Hoon Na, Jin-Sik Park
BACKGROUND: Evaluation of acute chest pain in emergency department (ED), using limited resource and time, is still very difficult despite recent development of many diagnostic tools. In this study, we tried to determine the applicability of new semi-automated cardiac function analysis tool, velocity vector imaging (VVI), in the evaluation of the patients with acute chest pain in ED. METHODS: We prospectively enrolled 48 patients, who visited ED with acute chest pain, and store images to analyze VVI from July 2005 to July 2007...
March 2017: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28400922/pheochromocytoma-and-stress-cardiomyopathy-insight-into-pathogenesis
#17
Sahil Agrawal, Jamshid Shirani, Lohit Garg, Amitoj Singh, Santo Longo, Angelita Longo, Mark Fegley, Lauren Stone, Muhammad Razavi, Nicoleta Radoianu, Sudip Nanda
AIM: To investigate the occurrence of cardiomyopathy (CMP) in a cohort of patients with histologically proven pheochromocytoma (pheo), and to determine if catecholamine excess was causative of the left ventricular (LV) dysfunction. METHODS: A retrospective chart review spanning years 1998 through 2014 was undertaken and patients with a diagnosis of pheo confirmed with histopathologic examination were included. Presenting electrocardiograms and cardiac imaging studies were reviewed...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28380047/response-of-the-human-myocardium-to-ischemic-injury-and-preconditioning-the-role-of-cardiac-and-comorbid-conditions-medical-treatment-and-basal-redox-status
#18
Kelly Casós, Gemma Ferrer-Curriu, Paula Soler-Ferrer, María L Pérez, Eduard Permanyer, Arnau Blasco-Lucas, Juan Manuel Gracia-Baena, Miguel A Castro, Carlos Sureda, Jordi Barquinero, Manuel Galiñanes
BACKGROUND: The diseased human myocardium is highly susceptible to ischemia/reoxygenation (I/R)-induced injury but its response to protective interventions such as ischemic preconditioning (IPreC) is unclear. Cardiac and other pre-existing clinical conditions as well as previous or ongoing medical treatment may influence the myocardial response to I/R injury and protection. This study investigated the effect of both on myocardial susceptibility to I/R-induced injury and the protective effects of IPreC...
2017: PloS One
https://www.readbyqxmd.com/read/28374271/effect-of-preoperative-left-ventricular-diastolic-dysfunction-on-mid-term-outcomes-after-surgical-ventricular-restoration-for-ischemic-cardiomyopathy
#19
Koji Furukawa, Mitsuhiro Yano, Eisaku Nakamura, Masakazu Matsuyama, Masanori Nishimura, Katsuya Kawagoe, Kunihide Nakamura
OBJECTIVES: The impact of surgical ventricular restoration (SVR) on survival and major adverse cardiac events (MACEs) is still controversial. The purposes of this study were to analyze our surgical experience with SVR for ischemic cardiomyopathy and to determine the effect of preoperative left ventricular diastolic dysfunction on mid-term outcomes after SVR. METHODS AND RESULTS: Between April 2010 and May 2016, 19 patients underwent SVR. The mean age was 60 ± 11 years and the mean New York Heart Association functional class was 2...
April 4, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28357714/the-role-for-cardiovascular-remodeling-in-cardiovascular-outcomes
#20
REVIEW
Nishant Krishna Sekaran, Anna Lisa Crowley, Fernanda Rodrigues de Souza, Elmiro Santos Resende, Sunil V Rao
PURPOSE OF REVIEW: Ischemic and non-ischemic injury to the heart causes deleterious changes in ventricular size, shape, and function. This adverse remodeling is mediated by neurohormonal and hemodynamic alterations and is reflected in non-invasive measures of left ventricular ejection fraction (LVEF), left ventricular end-systolic volume (LVESV), and left ventricular end-diastolic volume (LVEDV). These measures are closely linked to cardiovascular outcomes and have become key surrogate endpoints for evaluating the therapeutic efficacy of contemporary treatments for heart failure with reduced ejection fraction (HFrEF)...
May 2017: Current Atherosclerosis Reports
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