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ischemic mitral valve

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https://www.readbyqxmd.com/read/28238252/recommendations-for-valve-replacement-in-ischemic-mitral-regurgitation-with-compromised-ventricle
#1
Kerem M Vural
The unique features of ischemic mitral regurgitation may necessitate attention to certain points during mitral valve replacement (MVR). A few simple but practical recommendations are offered for concomitant or isolated MVR in this high-risk population which is often burdened by an extremely limited myocardial reserve.
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28235954/a-case-of-right-middle-cerebral-artery-tendonectomy-following-mitral-valve-replacement-surgery
#2
Mary C Thomas, Josser E Delgado Almandoz, Adam J Todd, Mark L Young, Jennifer L Fease, Jill Marie Scholz, Anna M Milner, Maximilian Mulder, Yasha Kayan
Following mechanical mitral valve replacement surgery, a 69-year-old woman had an ischemic stroke in the right middle cerebral artery territory. Mechanical thrombectomy showed the embolus to be a piece of chordae tendineae excised during the valve replacement surgery.
February 24, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28223050/tricuspid-regurgitation-associated-with%C3%A2-ischemic-mitral-regurgitation-characterization-evolution-after-mitral-surgery-and-value-of-tricuspid-repair
#3
José L Navia, Haytham Elgharably, Hoda Javadikasgari, Ahmed Ibrahim, Marijan Koprivanac, Ashley M Lowry, Eugene H Blackstone, Allan L Klein, A Marc Gillinov, Eric E Roselli, Lars G Svensson
BACKGROUND: Tricuspid regurgitation (TR) often accompanies ischemic mitral regurgitation and is generally assumed to be a secondary consequence of altered hemodynamics of the left-sided regurgitation. We hypothesized that it may also be a direct consequence of right-sided ischemic disease. Therefore, our objectives were to (1) characterize the nature of this TR and (2) describe its time course after mitral valve surgery for ischemic mitral regurgitation, with or without concomitant tricuspid valve repair...
February 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28222779/magnetic-resonance-imaging-for-cerebral-lesions-during-minimal-invasive-mitral-valve-surgery-study-protocol-for-a-randomized-controlled-trial
#4
Cristina Barbero, Davide Ricci, Erik Cura Stura, Augusto Pellegrini, Giovanni Marchetto, Suad ElQarra, Massimo Boffini, Roberto Passera, Maria Consuelo Valentini, Mauro Rinaldi
BACKGROUND: Recent data have highlighted a higher rate of neurological injuries in minimal invasive mitral valve surgery (MIMVS) compared with the standard sternotomy approach; therefore, the role of specific clamping techniques and perfusion strategies on the occurrence of this complication is a matter of discussion in the medical literature. The purpose of this trial is to prospectively evaluate major, minor and silent neurological events in patients undergoing right mini-thoracotomy mitral valve surgery using retrograde perfusion and an endoaortic clamp or a transthoracic clamp...
February 21, 2017: Trials
https://www.readbyqxmd.com/read/28219908/a-case-of-right-middle-cerebral-artery-tendonectomy-following-mitral-valve-replacement-surgery
#5
Mary C Thomas, Josser E Delgado Almandoz, Adam J Todd, Mark L Young, Jennifer L Fease, Jill Marie Scholz, Anna M Milner, Maximilian Mulder, Yasha Kayan
Following mechanical mitral valve replacement surgery, a 69-year-old woman had an ischemic stroke in the right middle cerebral artery territory. Mechanical thrombectomy showed the embolus to be a piece of chordae tendineae excised during the valve replacement surgery.
February 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28194283/cardiac-calcified-amorphous-tumor-of-the-mitral-valve-presenting-as-transient-ischemic-attack
#6
Mohammad Abbasi Teshnizi, Atefeh Ghorbanzadeh, Nahid Zirak, Babak Manafi, Aliasghar Moeinipour
Cardiac calcified amorphous tumors (CATs) are an extremely rare nonneoplastic intracardiac masses. They have been reported in the literature in only a few cases. Thus, the incidence, pathogenesis, and best approach to the treatment are not certain. We report a case of CATs on the atrial surface of the anterior mitral valve leaflet in a 37-year-old female who was diagnosed by histopathological examination after surgical removal.
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28190606/2016-update-to-the-american-association-for-thoracic-surgery-consensus-guidelines-ischemic-mitral-valve-regurgitation
#7
EDITORIAL
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.
January 17, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28164104/left-ventricle-mitral-valve-ring-size-mismatch-understanding-the-limitations-of-mitral-valve-repair-for-ischemic-mitral-regurgitation
#8
COMMENT
Christos G Mihos, Evin Yucel, Orlando Santana
No abstract text is available yet for this article.
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28149574/ischemic-mitral-valve-prolapse
#9
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/28146594/lyme-carditis-a-case-involving-the-conduction-system-and-mitral-valve
#10
Lakir D Patel, Jay S Schachne
Lyme disease is the most common tick-borne infection in the Northern hemisphere. Cardiac manifestations of Lyme disease typically include variable atrioventricular nodal block and rarely structural heart pathology. The incidence of Lyme carditis may be underestimated based on current reporting practices of confirmed cases. This case of a 59-year-old man with Lyme carditis demonstrates the unique presentation of widespread conduction system disease, mitral regurgitation, and suspected ischemic disease. Through clinical data, electrocardiograms, and cardiac imaging, we show the progression, and resolution, of a variety of cardiac symptoms attributable to infection with Lyme...
February 1, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28118792/noteworthy-articles-in-2016-for-the-cardiothoracic-anesthesiologist
#11
Dirk J Varelmann, J Daniel Muehlschlegel
Clinical research and outcome studies dominated the publication spectrum for the cardiothoracic anesthesiologist in 2016. Echocardiography is an important tool in the armamentarium of the cardiothoracic anesthesiologist. Technology is advancing at a fast pace: A new method to quantify the regurgitant volume in mitral regurgitation has been described in an experimental model and been validated in humans. Interesting studies on key elements of our daily practice have been published: Does tranexamic acid decrease the transfusion requirements after cardiac surgery? Are patients with a postoperative cognitive deficit at risk for dementia 7...
January 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28109559/meta-analysis-of-usefulness-of-concomitant-mitral-valve-repair-or-replacement-for-moderate-ischemic-mitral-regurgitation-with-coronary-artery-bypass-grafting
#12
Salah E Altarabsheh, Salil V Deo, Shannon M Dunlay, Patricia J Erwin, Yagthan M Obeidat, Suparna Navale, Alan H Markowitz, Soon J Park
Moderate ischemic mitral regurgitation (MR) is often present in patients undergoing coronary artery bypass grafting (CABG). However, the clinical benefit of repairing moderate MR during CABG is unproven. We searched multiple databases to identify original studies comparing isolated CABG versus combined CABG and MR surgery (mitral valve surgery with coronary artery bypass grafting [MVCABG]); survival (either early or midterm) was the primary end point. Risk ratio (RR) or standardize mean difference was selected as the effect estimates; survival was compared by pooling hazard ratios...
December 9, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28109210/surgical-repair-of-moderate-ischemic-mitral-regurgitation-a-systematic-review-and-meta-analysis
#13
Mahesh Anantha Narayanan, Saurabh Aggarwal, Yogesh N V Reddy, Venkata M Alla, Janani Baskaran, Arun Kanmanthareddy, Rakesh M Suri
Introduction Moderate mitral regurgitation (MR) of ischemic etiology has been associated with worse outcomes after coronary artery bypass grafting (CABG). Studies comparing concomitant mitral valve replacement/repair (MVR/Re) with CABG and standalone CABG have reported conflicting results. We performed a systematic review and meta-analysis of the published literature. Patients and Methods We searched using PubMed, Cochrane, EMBASE, CINAHL, and Google scholar databases from January 1960 to June 2016 for clinical trials comparing CABG to CABG + MVR/Re for moderate MR...
January 21, 2017: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/28101839/surgical-treatment-of-ischemic-mitral-regurgitation-valve-repair-versus-replacement
#14
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
#15
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
#16
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
#17
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
#18
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...
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
#19
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
#20
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
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