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ischemic mitral valve

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https://www.readbyqxmd.com/read/28101839/surgical-treatment-of-ischemic-mitral-regurgitation-valve-repair-versus-replacement
#1
REVIEW
Abhishek Sharma, Sahil Agrawal, Sunny Goel, Jeffrey S Borer
PURPOSE OF REVIEW: Ischemic mitral regurgitation (MR), which occurs in about 20-30% patients with a prior myocardial infarction, is associated with worsening heart failure and an increase in cardiovascular mortality. It should be treated surgically if certain hemodynamic severity criteria are met and in patients who continue to experience symptoms of heart failure despite optimal medical therapy. However, current guidelines do not suggest which of the available approaches to mitral valve surgery-mitral valve (MV) repair or replacement (MVR) is superior for this indication...
January 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28100277/stress-echo-2020-the-international-stress-echo-study-in-ischemic-and-non-ischemic-heart-disease
#2
Eugenio Picano, Quirino Ciampi, Rodolfo Citro, Antonello D'Andrea, Maria Chiara Scali, Lauro Cortigiani, Iacopo Olivotto, Fabio Mori, Maurizio Galderisi, Marco Fabio Costantino, Lorenza Pratali, Giovanni Di Salvo, Eduardo Bossone, Francesco Ferrara, Luna Gargani, Fausto Rigo, Nicola Gaibazzi, Giuseppe Limongelli, Giuseppe Pacileo, Maria Grazia Andreassi, Bruno Pinamonti, Laura Massa, Marco A R Torres, Marcelo H Miglioranza, Clarissa Borguezan Daros, José Luis de Castro E Silva Pretto, Branko Beleslin, Ana Djordjevic-Dikic, Albert Varga, Attila Palinkas, Gergely Agoston, Dario Gregori, Paolo Trambaiolo, Sergio Severino, Ayana Arystan, Marco Paterni, Clara Carpeggiani, Paolo Colonna
BACKGROUND: Stress echocardiography (SE) has an established role in evidence-based guidelines, but recently its breadth and variety of applications have extended well beyond coronary artery disease (CAD). We lack a prospective research study of SE applications, in and beyond CAD, also considering a variety of signs in addition to regional wall motion abnormalities. METHODS: In a prospective, multicenter, international, observational study design, > 100 certified high-volume SE labs (initially from Italy, Brazil, Hungary, and Serbia) will be networked with an organized system of clinical, laboratory and imaging data collection at the time of physical or pharmacological SE, with structured follow-up information...
January 18, 2017: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28094188/prosthetic-valve-thrombosis-in-the-acute-phase-of-the-stroke-relevance-of-detection-and-follow-up
#3
Jacint Sala-Padro, Jorge Pagola, Maria Teresa Gonzalez-Alujas, Laia Sero, Jesus Juega, Noelia Rodriguez-Villatoro, Sandra Boned, David Rodriguez-Luna, Marian Muchada, Ruben Fernandez-Galera, Marta Rubiera, Marc Ribo, Arturo Evangelista, Carlos Molina
BACKGROUND: Stroke may be the first symptom of prosthetic valve thrombosis (PVT); therefore, rapid diagnosis and therapy are crucial. We aimed to evaluate the prevalence, main predictors, and long-term clinical evolution of patients with PVT in the acute phase of stroke. METHODS: We studied consecutive acute ischemic stroke patients with prosthetic heart valves who underwent emergent transesophageal echocardiography (TEE) during a 5-year period. Two groups were defined depending on the presence of PVT (PVT or non-PVT groups)...
January 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28058268/early-results-of-a-novel-mitral-valve-repair-procedure-the-interpapillary-polytetrafluoroethylene-bridge-formation
#4
Nasri Alotti, Károly Gombocz, Kiddy L Ume, Amer Sayour, Daniel Alejandro Lerman, Aref Rashed
BACKGROUND: Surgical repair of ischemic mitral regurgitation (IMR) associated with chordal rupture in patients with ischemic cardiomyopathy is challenging as it aims to correct several structural pathologies at once. There are ongoing studies evaluating multiple approaches, however long term results are still scarce. METHODS AND RESULTS: 19 patients with IMR underwent mitral valve repair with interpapillary polytetrafluoroethylene (PTFE) bridge and neochordae formation at the Zala County Teaching Hospital...
February 12, 2016: International Journal of Cardiovascular Research
https://www.readbyqxmd.com/read/28056256/-strategies-for-surgical-treatment-of-ischemic-mitral-incompetence
#5
Z B Qiu, X Chen
Treatment of ischemic mitral incompetence (IMI) is an important problem in cardiovascular surgery, and it is arguing to the best strategies for surgical treatment of IMI. IMI can be quantitative assessment precisely by three-dimensional ultrasonic sound. Perioperative transesophageal echocardiography can acquire detailed information about IMI, but it is possible to underestimate the degree of IMI. The effective mitral regurgitation area at resting are the independently prognosis factor in patients with IMI...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28054895/concomitant-cabg-left-ventricular-restoration-and-mitral-valve-repair-for-ischemic-heart-disease
#6
Yin Zhaohua, Feng Wei, Xu Fei, Zhang Jiqiang, Du Junzhe, Song Yangwu
AIM: To evaluate the effects of combined coronary artery bypass grafting (CABG), surgical left ventricular restoration (LVR), and mitral valve repair (MVP) in treating ischemic heart disease combined with mitral regurgitation; and to evaluate the different strategies of LVR and MVP. METHODS: From January 2001 to December 2015, 61 consecutive patients with left ventricular aneurysm and ischemic mitral regurgitation underwent concomitant CABG, LVR and MVP. We evaluated the clinical and echocardiographic outcomes of the patients...
6, 2016: Heart Surgery Forum
https://www.readbyqxmd.com/read/28043427/a-comparison-of-2-mitral-annuloplasty-rings-for-severe-ischemic-mitral-regurgitation-clinical-and-echocardiographic-outcomes
#7
Khalil Fattouch, Marco Moscarelli, Sebastiano Castrovinci, Francesco Guccione, Pietro Dioguardi, Giuseppe Speziale, Patrizio Lancellotti
Controversies regarding the choice of annuloplasty rings for treatment of ischemic mitral regurgitation still exist. Aim of the study is to compare early performance of 2 different rings in terms of rest and exercise echocardiographic parameters (transmitral gradient, systolic pulmonary artery pressure, and mitral valve area), clinical outcomes, and recurrence of mitral regurgitation. From January 2008 till December 2013, prospectively collected data of patients who underwent coronary artery bypass grafting and undersizing mitral valve annuloplasty for severe chronic ischemic mitral regurgitation at our Institution were reviewed...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28031640/rheumatic-heart-disease-predisposing-to-embolic-myocardial-infarction-a-multimodality-imaging-approach
#8
Emanuele Canali, Giuseppe Cannavale, Giulia Conti, Simona Mariani, Fabrizio Proietti
We report a clinical case of a 45-year-old male with a diagnosis of inferior myocardial infarction and previous history of rheumatic fever during his childhood. Coronary angiography demonstrated normal coronary arteries. Transthoracic echocardiogram showed hypokinetic left ventricular inferolateral wall and mitral stenosis; furthermore, speckle tracking analysis revealed reduction of global longitudinal strain involving the inferior wall. A three-dimensional transesophaegeal echocardiography, performed to better characterize the anatomy of the valve and to find possible source of embolic infarct in an enlarged left atrium, showed rheumatic valvular involvement...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28018816/rapid-deployment-aortic-valve-replacement-after-previous-mechanical-valve-implantation
#9
Markus Schlömicher, Peter Lukas Haldenwang, Vadim Moustafine, Britta Wolf, Peter Zahn, Matthias Bechtel, Justus Thomas Strauch
Recent studies report a reproducible reduction of myocardial ischemic and cardiopulmonary bypass times along with excellent hemodynamics and low rates of paravalvular leakage for rapid-deployment valves. A 68-year-old female patient with aortic stenosis and a mechanical mitral valve which was implanted in 2006 received rapid-deployment aortic valve replacement. The procedure could be performed with a cross-clamp time of 45 minutes and a cardiopulmonary bypass time of 60 minutes. Postoperative course was uncomplicated and the patient was discharged to the referring hospital on postoperative day 8...
December 2016: Thoracic and Cardiovascular Surgeon Reports
https://www.readbyqxmd.com/read/28008192/the-long-term-results-and-changing-patterns-of-biological-valves-at-the-mitral-position-in-contemporary-practice-in-japan
#10
Tomonobu Abe, Hideki Ito, Masato Mutsuga, Kazuro Fujimoto, Sachie Terazawa, Yuji Narita, Hideki Oshima, Akihiko Usui
Mitral valve surgery has changed with the wide acceptance of mitral valve repair. The aim of this study is to obtain the long-term results of patients who underwent mitral valve replacement (MVR) using a biological prosthesis in contemporary practice in Japan. From January 1990 to December 2013, 76 patients underwent MVR using a biological prosthesis with or without concomitant surgery. Data were obtained by means of a questionnaire and a telephone interview. The mean follow-up period was 4.26 years. The etiologies of the patients included dilated cardiomyopathy (DCM) (n=20 [26...
December 2016: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/27989096/abiotrophia-defectiva-endocarditis-complicated-by-ventricular-tachycardia
#11
Kyriacos Mouyis, Sophia Metaxa, Constantinos Missouris
A 78-year-old man was admitted to the authors' hospital with a short history of shortness of breath and pyrexia. He had long-standing moderate mitral regurgitation and stable coronary artery disease. Blood cultures grew Abiotrophia defectiva coccobaccili. Transesophageal echocardiography confirmed the diagnosis of mitral valve endocarditis that necessitated treatment with intravenous benzylpenicillin and gentamicin for six weeks. At nine days after admission the patient developed several episodes of self-limiting monomorphic ventricular tachycardia, without ischemic cardiac pain, associated with hemodynamic compromise requiring treatment with intravenous amiodarone and inotropic support in the Intensive Care Unit...
January 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27986559/-left-atrial-appendage-in-rheumatic-mitral-valve-disease-the-main-source-of-emboli-in-atrial-fibrillation
#12
Ovidio A García-Villarreal, José A Heredia-Delgado
OBJECTIVE: To show surgical removal of the left atrial appendage in patients with rheumatic mitral valve disease and long standing persistent atrial fibrillation decreases the possibility of stroke. Therefore, long-term oral anticoagulation after surgery can be eliminated. METHOD: A descriptive, prospective, observational study was conducted in 27 adult patients with rheumatic mitral valve disease and long standing persistent atrial fibrillation undergone mitral valve surgery and left atrial appedage surgical removal...
December 13, 2016: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/27964904/immediate-and-12-month-outcomes-of-ischemic-versus-nonischemic-functional-mitral-regurgitation-in-patients-treated-with-mitraclip-from-the-2011-to-2012-pilot-sentinel-registry-of-percutaneous-edge-to-edge-mitral-valve-repair-of-the-european-society-of-cardiology
#13
Michele Pighi, Rodrigo Estevez-Loureiro, Francesco Maisano, Gian P Ussia, Gianni Dall'Ara, Olaf Franzen, Cécile Laroche, Magnus Settergren, Reidar Winter, Georg Nickenig, Martine Gilard, Carlo Di Mario
In literature, there are limited data comparing ischemic mitral regurgitation (I-MR) versus nonischemic MR regarding outcomes after percutaneous "edge-to-edge" repair. We aimed to describe the early and 12-month results after MitraClip device implantation regarding the 2 etiologies. From January 2011 to December 2012, the Transcatheter Valve Treatment Sentinel Pilot Registry included 452 patients with MR who underwent MitraClip procedure in 25 centers across Europe. The prevalent etiology was I-MR (235 patients, 52...
November 16, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/27924179/ischemic-stroke-and-septic-shock-after-subacute-endocarditis-caused-by-haemophilus-parainfluenzae-case-report
#14
Mayra Goncalves Menegueti, Jaciara Machado-Viana, Gilberto Gambero Gaspar, Edson Antonio Nicolini, Anibal Basile-Filho, Maria Auxiliadora-Martins
Haemophilus parainfluenzae, which belongs to the HACEK (Haemophilus ssp, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae) group, is a rare cause of subacute endocarditis and may lead to ischemic stroke. A 65-year-old female patient previously diagnosed with rheumatic valve disease was submitted to surgical mitral valve repair in 1996. Physical examination did not reveal any murmurs; physical examination of the lungs and abdomen was normal. The patient was admitted to hospital with progressive dyspnea, dry cough, and fever...
January 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/27923487/reimplantation-of-the-aortic-valve-at-20%C3%A2-years
#15
Tirone E David, Carolyn M David, Christopher M Feindel, Cedric Manlhiot
OBJECTIVE: To provide additional information on clinical and echocardiographic outcomes after reimplantation of the aortic valve (RAV) in patients with aortic root aneurysm. METHODS: All 333 patients who underwent RAV at our hospital between 1989 and 2012 were followed prospectively with periodical clinical assessment and echocardiography. The mean duration of clinical follow-up was 10.3 ± 6.8 years, and follow-up was completed within 2 years before this report...
November 16, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27920591/left-atrial-myxomectomy-with-intraoperative-severe-mitral-regurgitation-and-complicated-postoperative-course-case-report
#16
Nareg Minaskeian, Patrick P Hu
Primary cardiac tumors are a rare occurrence with myxomas accounting for about half of the benign tumors. Once diagnosed, surgical resection is the standard of care. Our case describes a female in her 50s who underwent a myxoma resection under cardiopulmonary bypass via biatrial approach. Intraoperatively, the thin septal crux between the wall of the aorta and mitral valve was damaged during resection, requiring stem cell tissue matrix for repair. The patient also developed severe mitral regurgitation suggesting infarct to the left coronary system during resection, subsequently receiving a mechanical mitral valve and a saphenous vein bypass graft...
2016: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/27847072/iatrogenic-lesion-of-an-anomalous-circumflex-coronary-artery-during-mitral-surgery
#17
Ana Lopez-Marco, Aidil Syed, Tom Combellack, Dheeraj Mehta
A patient with anomalous coronary circulation presented with non-ST segment elevation myocardial infarction and ischemic mitral regurgitation and underwent mitral valve repair and coronary revascularization. An unexpected tear occurred in the roof of the left atrium, and its subsequent repair caused iatrogenic damage of the anomalous circumflex artery on its abnormal course requiring an extra graft. Early suspicion of the iatrogenic damage to the anomalous artery was the key for good and complete recovery in this case...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27815962/the-effects-of-type-1-diabetes-mellitus-on-cardiac-functions-in-children-evaluation-by-conventional-and-tissue-doppler-echocardiography
#18
Osman Ozdemir, Adem Yasin Koksoy, Ayse Derya Bulus, Nesibe Andiran, Elif Yagli
BACKGROUND: Several studies have pointed out the existence of cardiac dysfunction in patients with type 1 diabetes mellitus (DM) even in the absence of ischemic, valvular, or hypertensive heart disease. The present study evaluated cardiac dysfunction and the relationship between severity of disease and degree of cardiac dysfunction in children with type 1 DM. METHODS: In this prospective study, 31 patients with type 1 DM and 33 sex- and age-matched healthy children were evaluated with conventional echocardiography and tissue Doppler echocardiography (TDE)...
December 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/27811121/automatic-valve-plane-localization-in-myocardial-perfusion-spect-ct-by-machine-learning-anatomical-and-clinical-validation
#19
Julian Betancur, Mathieu Rubeaux, Tobias Fuchs, Yuka Otaki, Yoav Arnson, Leandro Slipczuk, Dominik Benz, Guido Germano, Damini Dey, Chih-Jen Lin, Daniel Berman, Philipp Kaufmann, Piotr Slomka
: Precise definition of the mitral valve plane (VP) during segmentation of the left ventricle (LV) for single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) quantification often requires manual adjustment, which affects quantification of perfusion. We developed a machine learning approach using support vector machines (SVM) for automatic VP placement. METHODS: 392 consecutive patients undergoing fast SPECT MPI (99m)Tc-tetrofosmin stress (5 min, 300-350 MBq)/rest (5 min, 750-1050 MBq) attenuation corrected (AC) by computed tomography (CT) and same‑day coronary CT angiography (CCTA), including 48 patients with invasive angiography (ICA) and no known coronary artery disease, were studied...
November 3, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27803828/a-historic-case-of-cardiac-surgery-in-pregnancy
#20
Said Benlamkaddem, Adnane Berdai, Smael Labib, Mustapha Harandou
Background. Heart disease is the leading cause of nonobstetric mortality in pregnant women. Because of high risk, medical management represents the first line of treatment. However, when medical treatment fails, cardiac surgery becomes necessary. Case Presentation. A 27-year-old female who underwent successfully cardiac surgery three times within 3 years. At the first time, she had an aortic valve replacement at 25 weeks of gestation after an infectious endocarditis complicated with an ischemic stroke. At 39 weeks of gestation, she had delivered, vaginally, a healthy baby boy weighing 2800 g...
2016: Case Reports in Obstetrics and Gynecology
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