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Mitral valve disease

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https://www.readbyqxmd.com/read/28100876/primary-percutaneous-coronary-intervention-followed-by-valve-surgery-for-acute-coronary-syndrome-at-left-main-trunk-complicated-with-severe-aortic-stenosis
#1
Akira Shikuma, Jun Shiraishi, Kazunari Okawa, Masaki Yashige, Keisuke Shoji, Daisuke Ito, Masayoshi Kimura, Eigo Kishita, Yusuke Nakagawa, Masayuki Hyogo, Akiyuki Takahashi, Takahisa Sawada
An 89-year-old woman appeared to have acute coronary syndrome at the left main trunk (LMT) complicated with severe aortic stenosis, moderate-severe mitral regurgitation, depressed left ventricular (LV) function, and multivessel disease. Because of sustained hypotension even under intra-aortic balloon pumping support during emergency coronary angiograhy, we performed primary percutaneous coronary intervention solely for the LMT lesion using a bare metal stent, leading to recovery from the shock state. On the second hospital day, based on our heart-team consensus, we performed aortic valve replacement and coronary artery bypass grafting surgery, and added edge-to-edge repair (Alfieri stitch) of the mitral valve, resulting in complete revascularization and dramatically improved LV function...
January 17, 2017: International Heart Journal
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/28096837/sutureless-aortic-valve-and-mitral-valve-repair-in-redo-cases-really-an-off-label-approach
#3
Júlia Čanádyová, Aleš Mokráček, Vojtěch Kurfirst
Sutureless aortic valve replacement (AVR) was developed as an alternative treatment option to conventional open-heart surgery and transcatheter aortic valve implantation for "gray zone" patients. The need for concurrent mitral valve surgery is generally viewed as a contraindication to sutureless AVR. The purpose of this brief paper is to report our experiences with sutureless valves in patients after previous cardiac procedures with degenerated aortic bioprostheses and concomitant mitral valve disease.
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28096835/left-atrial-appendage-mass-is-it-always-a-thrombus
#4
Hikmet Sahratov, Adem Guler, Mustafa Kurkluoglu, Fahri Gurkan Yesil, Murat Tavlasoglu, Faruk Cingoz
Myxoma is the most common benign tumor of the heart, but it is very rare for it to originate from the left atrial appendage. Distinguishing between a mass, a thrombus, and a tumor in the body of the left atrium with preoperative transthoracic or transesophageal echocardiography is very difficult, even more so in patients with mitral valve disease and chronic atrial fibrillation. A 50-year-old male patient was admitted for surgery with the diagnosis of mitral stenosis and chronic atrial fibrillation. Transesophageal echocardiography demonstrated a mass attached to the wall of the left atrial appendage...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28093494/exercise-dynamics-in-secondary-mitral-regurgitation-pathophysiology-and-therapeutic-implications
#5
Philippe B Bertrand, Ehud Schwammenthal, Robert A Levine, Pieter M Vandervoort
Secondary mitral valve regurgitation (MR) remains a challenging problem in the diagnostic workup and treatment of patients with heart failure. Although secondary MR is characteristically dynamic in nature and sensitive to changes in ventricular geometry and loading, current therapy is mainly focused on resting conditions. An exercise-induced increase in secondary MR, however, is associated with impaired exercise capacity and increased mortality. In an era where a multitude of percutaneous solutions are emerging for the treatment of patients with heart failure, it becomes important to address the dynamic component of secondary MR during exercise as well...
January 17, 2017: Circulation
https://www.readbyqxmd.com/read/28092620/correlation-between-peripheral-blood-cell-transcriptomic-profile-and-clinical-parameters-of-chronic-mitral-valve-disease-in-dachshunds
#6
M Garncarz, M Hulanicka, H Maciejewski, M Parzeniecka-Jaworska, M Jank
Studies identifying specific pathologically expressed genes have been performed on diseased myocardial tissue samples, however less invasive studies on gene expression of peripheral blood mononucleated cells give promising results. This study assessed transcriptomic data that may be used to evaluate Dachshunds with chronic mitral valve disease. Dachshunds with different stages of heart disease were compared to a control, healthy group. Microarray data analysis revealed clusters of patients with similar expression profiles...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092256/-resection-of-intracardiac-myxoma-case-report
#7
Víctor Manuel Carmona-Delgado, Angélica María Deloya-Maldonado, María Lourdes Carranza-Bernal, Arturo Hinojosa-Pérez, Leobardo Farías-Mayene
Myxomas are the most common benign cardiac tumors, which are considered emergency surgery. The resection should not be delayed because 8-9% of affected patients may die due to intracardiac blood flow obstruction. We presente a clinical case of a 47 year old female, history of dyslipidemia. Disease starts with retrosternal oppression feeling, dyspnea on moderate exercise, dizziness, pain in joints hands. Arrhytmic heart sounds, diastolic mitral murmur II/IV, breth sounds present, no lymph. Laboratory: hemoglobin 11...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28085691/robot-assisted-mitral-valve-repair-with-posterior-leaflet-extension-for-rheumatic-disease
#8
Burak Onan, Unal Aydin, Zeynep Kahraman, Korhan Erkanli, Ihsan Bakir
Mitral valve repair has been one of the widely used applications of robotic surgery. Patients with rheumatic mitral disease usually present at an early age with thickening, retraction, or fusion of the leaflets and subvalvular apparatus. Robotic mitral repair can be feasible among this group of patients, rather than replacement. Herein, we describe a young woman who presented with rheumatic mitral valve insufficiency. A complex mitral repair with posterior leaflet extension with an autologous pericardial patch was successfully conducted using robot assistance...
January 12, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28079786/fatal-postoperative-systemic-pulmonary-hypertension-in-benfluorex-induced-valvular-heart-disease-surgery-a-case-report
#9
Christophe Baufreton, Patrick Bruneval, Marie-Christine Rousselet, Pierre-Vladimir Ennezat, Olivier Fouquet, Raphael Giraud, Carlo Banfi
RATIONALE: Drug-induced valvular heart disease (DI-VHD) remains an under-recognized entity. PATIENT CONCERNS: This report describes a heart valve replacement which was complicated by intractable systemic pulmonary arterial hypertension in a 61-year-old female with severe restrictive mitral and aortic disease. The diagnosis of valvular disease was preceded by a history of unexplained respiratory distress. The patient had been exposed to benfluorex for 6.5 years. DIAGNOSES: The diagnostic procedure documented specific drug-induced valvular fibrosis...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28077185/rapidly-progressive-mitral-valve-stenosis-in-patients-with-acromelic-dysplasia
#10
Gabriel Rama, Wendy K Chung, Christopher M Cunniff, Usha Krishnan
Acromelic dysplasias are a group of skeletal dysplasias characterised by short-limbed short stature with other distinctive phenotypic features including small hands and feet and stiff joints. Geleophysic dysplasia is an acromelic dysplasia that is associated with characteristic facial features, progressive cardiac valvular thickening, and tracheal stenosis. Owing to overlapping clinical features with other types of short-limbed skeletal dysplasias, it is important to make a precise diagnosis as they have different cardiac morbidity and mortality...
January 12, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28073887/perioperative-predictors-of-permanent-pacing-and-long-term-dependence-following-tricuspid-valve-surgery-a-multicentre-analysis
#11
Philip L Mar, Christopher R Angus, Rajesh Kabra, Christopher K Migliore, Rohan Goswami, Leah A John, Yixi Tu, Rakesh Gopinathannair
AIMS: Permanent pacemaker placement (PPM) is often required after valvular surgery and is especially common following tricuspid valve surgery [tricuspid valve repair or replacement (TVR)]. Literature suggests that surgical intervention for isolated tricuspid valve disease is becoming more prevalent. Predictors of PPM dependency following TVR are currently unknown and would be clinically useful from a prognostication standpoint. METHODS AND RESULTS: We conducted a multicentre, retrospective study to assess perioperative factors of TVR that predispose to PPM placement and long-term PPM dependency from 2008 to 2014...
January 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28072930/left-ventricular-outflow-tract-obstruction-be-prepared
#12
J S Evans, S J Huang, A S McLean, M Nalos
The current trend to treat hypotension in critically ill patients is to place a greater emphasis on inotropic support and less on fluid resuscitation in order to limit the potential harm from fluid overload. This combination may trigger left ventricular outflow tract obstruction (LVOTO) in susceptible patients. Although LVOTO is classically described in patients with hypertrophic cardiomyopathy it has been reported in other conditions including septic shock, apical ballooning syndrome, myocardial infarction, respiratory failure, and post valvular surgery...
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28071960/community-based-prevalence-study-of-rheumatic-heart-disease-in-rural-ethiopia
#13
Tadesse Gemechu, Hani Mahmoud, Eldryd Ho Parry, David Iw Phillips, Magdi H Yacoub
Background Chronic Rheumatic Heart disease (RHD) continues to be a health problem in many low and middle income countries and especially in sub-Saharan Africa. Echocardiography has shown that the disease is far more widespread than may be detected by clinical assessment, but data are lacking on the prevalence and epidemiological features in rural Africa. Design Community-based prevalence survey Methods We used transthoracic echocardiography to carry out a population-based study of RHD in a rural area of Ethiopia...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28070866/finite-element-analysis-of-patient-specific-mitral-valve-with-mitral-regurgitation
#14
Thuy Pham, Fanwei Kong, Caitlin Martin, Qian Wang, Charles Primiano, Raymond McKay, John Elefteriades, Wei Sun
Functional mitral regurgitation (FMR) is a significant complication of left ventricular dysfunction and strongly associated with a poor prognosis. In this study, we developed a patient-specific finite element (FE) model of the mitral apparatus in a FMR patient which included: both leaflets with thickness, annulus, chordae tendineae, and chordae insertions on the leaflets and origins on the papillary muscles. The FE model incorporated human age- and gender-matched anisotropic hyperelastic material properties, and MV closure at systole was simulated...
January 9, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/28069701/loss-of-axin2-results-in-impaired-heart-valve-maturation-and-subsequent-myxomatous-valve-disease
#15
Alexia Hulin, Vicky Moore, Jeanne M James, Katherine E Yutzey
AIMS: Myxomatous valve disease (MVD) is the most common aetiology of primary mitral regurgitation. Recent studies suggest that defects in heart valve development can lead to heart valve disease in adults. Wnt/β-catenin signalling is active during heart valve development and has been reported in human MVD. The consequences of increased Wnt/β-catenin signalling due to Axin2 deficiency in postnatal valve remodelling and pathogenesis of MVD were determined. METHODS AND RESULTS: To investigate the role of Wnt/β-catenin signalling, we analysed heart valves from mice deficient in Axin2 (KO), a negative regulator of Wnt/β-catenin signalling...
January 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28069327/early-ventricular-tachyarrhythmias-after-coronary-artery-bypass-grafting-surgery-is-it-a-real-burden
#16
Elisabeth M J P Mouws, Ameeta Yaksh, Paul Knops, Charles Kik, Eric Boersma, Ad J J C Bogers, Natasja M S de Groot
BACKGROUND: The prevalence of ventricular dysrhythmias (VD) [ventricular premature beats (VPBs), ventricular couplets (Vcouplets), ventricular runs (Vruns)] after coronary artery bypass grafting (CABG) has so far not been examined. The goal of this study is to examine characteristics of VD and whether they precede ventricular tachyarrhythmias (VTA) during a postoperative follow-up period of 5 days using continuous rhythm registrations. In addition, we determined predictive factors of VD/VTA...
January 6, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28066587/comparison-of-outcomes-of-tricuspid-annuloplasty-with-3d-rigid-versus-flexible-prosthetic-ring-for-functional-tricuspid-regurgitation-secondary-to-rheumatic-mitral-valve-disease
#17
Haiping Wang, Xiancheng Liu, Xin Wang, Zhenqian Lv, Xiaojun Liu, Ping Xu
BACKGROUND: Annuloplasty bands and rings are widely used for repairing functional tricuspid regurgitation (FTR). However, the question regarding which is the ideal annuloplasty device remains unclear. The aim of this study was to compare the efficacy and mid-term durability of tricuspid ring annuloplasty for FTR secondary to rheumatic mitral valve disease using flexible Cosgrove-Edwards band and the rigid Edwards MC3 ring (Edwards Lifesciences, LLC, Irvine, CA, USA). METHODS: We retrospectively collected the clinical data of those who underwent mitral valve replacement (MVR) in concomitant with tricuspid ring annuloplasty from 2009 to 2013...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28057898/a-retrospective-study-of-degenerative-mitral-valve-disease-in-small-breed-dogs-survival-and-prognostic-variables
#18
Hyun-Tae Kim, Sei-Myoung Han, Woo-Jin Song, Boeun Kim, Mincheol Choi, Junghee Yoon, Hwa-Young Youn
Small-breed (n= 168 dogs; weight < 15 kg) diagnosed with MMVD based on a routine clinical examination, radiology, an electrocardiogram, and echocardiography at the Seoul National University Veterinary Medical Teaching Hospital were included. The survival periods were ascertained and a significant difference was observed in the survival rates between the International Small Animal Cardiac Health Council classes. The mean follow-up period was 14.3 ± 12.1 months. Univariate analysis revealed that dyspnea, pulmonary edema, and vertebral heart score were significantly associated with the survival times (P < 0...
January 4, 2017: Journal of Veterinary Science
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/28054393/degenerative-valvular-disease-in-the-cavalier-king-charles-spaniel-results-of-the-uk-breed-scheme-1991-2010
#20
S Swift, A Baldin, P Cripps
BACKGROUND: Cavalier King Charles spaniels (CKCSs) are predisposed to degenerative mitral valve disease (DMVD) and studies have indicated a genetic cause. ANIMALS: A total of 8,860 CKCSs were examined at shows or private clinics from 1991 to 2010. OBJECTIVES: To analyze the effects of a breed scheme for CKCS on the age at which a murmur consistent with DMVD was first detected. METHODS: The presence or absence of a murmur consistent with mitral regurgitation was noted and age a murmur was first detected recorded...
January 5, 2017: Journal of Veterinary Internal Medicine
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