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Mitral valve disease

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https://www.readbyqxmd.com/read/28528160/mitral-annular-disjunction-the-forgotten-component-of-myxomatous-mitral%C3%A2-valve%C3%A2-disease
#1
EDITORIAL
Maurice Enriquez-Sarano
No abstract text is available yet for this article.
May 11, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28527962/resolution-of-mitral-regurgitation-with-left-ventricular-assist-device-support
#2
Matthew Goodwin, Hassan W Nemeh, Jamil Borgi, Gaetano Paone, Jeffrey A Morgan
BACKGROUND: Cardiac valve disease is common in patients with end-stage heart failure undergoing left ventricular assist device implantation (LVAD). The aim of this study was to determine if preoperative mitral regurgitation (MR) affects outcomes and hemodynamics in patients after LVAD implantation. METHODS: From March 2006 through May 2015, 238 consecutive patients underwent LVAD implantation. Patient cohorts included less than moderate to severe MR (< moderate-severe, n = 195) and greater than or equal to moderate to severe MR (≥ moderate-severe, n = 43)...
May 17, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28526098/first-description-of-bartonella-koehlerae-infection-in-a-spanish-dog-with-infective-endocarditis
#3
María-Dolores Tabar, Laura Altet, Ricardo G Maggi, Jaume Altimira, Xavier Roura
BACKGROUND: Bartonella koehlerae has been recently described as a new cat- and cat fleas-associated agent of culture-negative human endocarditis. It has been also encountered in one dog from Israel and six dogs from the USA, but other clinically relevant reports involving this bacterium are lacking. RESULTS: A 7-year-old intact male mixed dog presented with clinico-pathological signs consistent with mitral endocarditis and cutaneous hemangiosarcoma. Molecular studies revealed the presence of Bartonella koehlerae DNA in samples from blood and mitral valve tissue...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28525326/short-term-heart-rate-variability-in-dogs-with-sick-sinus-syndrome-or-chronic-mitral-valve-disease-as-compared-to-healthy-controls
#4
Sz Bogucki, A Noszczyk-Nowak
Heart rate variability is an established risk factor for mortality in both healthy dogs and animals with heart failure. The aim of this study was to compare short-term heart rate variability (ST-HRV) parameters from 60-min electrocardiograms in dogs with sick sinus syndrome (SSS, n=20) or chronic mitral valve disease (CMVD, n=20) and healthy controls (n=50), and to verify the clinical application of ST-HRV analysis. The study groups differed significantly in terms of both time - and frequency- domain ST-HRV parameters...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28521809/role-of-mitral-valve-repair-in-active-infective-endocarditis-long-term-results
#5
Carlo Rostagno, Enrico Carone, Pier Luigi Stefàno
BACKGROUND: Although mitral valve repair is at present the technique of choice in mitral regurgitation (MR) due to degenerative valve disease, long term results in patients with active mitral infective endocarditis (IE) are still under evaluation. METHODS: In the study were included 34 consecutive patients (22 males; mean age, 60 years; range 32-84 years) referred to our institution between January 1, 2005 to December 31, 2011 who were treated with valve repair for mitral valve (MV) active infective endocarditis...
May 18, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28520945/systolic-anterior-motion-of-the-tricuspid-valve-in-a-patient-with-hypertrophic-obstructive-cardiomyopathy
#6
Emile S Farag, R Nils Planken, S Matthijs Boekholdt, Jolanda Kluin
Hypertrophic cardiomyopathy is a heterogeneous myocardial disease and is characterized by increased left ventricular wall thickness. Left ventricular outflow tract obstruction occurs in up to 70% of patients and is often caused by systolic anterior motion of the mitral valve, a paradoxical phenomenon in which the anterior mitral valve leaflet is pulled into the left ventricular outflow tract during systole. We present the first case of hypertrophic cardiomyopathy with systolic anterior motion of both the mitral and the tricuspid valves and severe hypertrophy of both ventricles...
May 16, 2017: Interactive Cardiovascular and Thoracic Surgery
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/28515127/a-retrospective-analysis-of-mitral-valve-pathology-in-the-setting-of-bicuspid-aortic-valves
#9
Annari van Rensburg, Philip Herbst, Anton Doubell
The therapeutic implications of bicuspid aortic valve associations have come under scrutiny in the transcatheter aortic valve implantation era. We evaluate the spectrum of mitral valve disease in patients with bicuspid aortic valves to determine the need for closer echocardiographic scrutiny/follow-up of the mitral valve. A retrospective analysis of echocardiograms done at a referral hospital over five years was conducted in patients with bicuspid aortic valves with special attention to congenital abnormalities of the mitral valve...
May 17, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28511027/ross-konno-procedure-with-cylinder-mitral-valve-replacement-in-49-days-old-infant
#10
Oleg Fedevych, Oleksandr Yachnik, Yaroslav Mykychak, Yaroslav Ivanov, Olga Borodinova, Illya Yemets
A neonate with antenatally diagnosed severe aortic valve stenosis, left ventricular outflow tract obstruction, left ventricular endocardial fibroelastosis, and severe mixed mitral valve disease was admitted to our center for balloon aortic valvuloplasty. On day 49, we performed a Ross-Konno procedure and mitral valve replacement on the baby, whose weight was 3.4 kg. Right ventricle-to-pulmonary artery continuity was restored with a handmade trileaflet Gore-Tex conduit. We used a handmade cylindrical prosthesis made from decellularized equine pericardium in the mitral position...
January 1, 2017: World Journal for Pediatric & Congenital Heart Surgery
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
#11
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/28497556/mitral-arcade-a-rare-case-presenting-with-fatigue-and-cough
#12
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/28497191/evaluation-of-the-coronary-circulation-and-calcification-in-children-on-regular-hemodialysis
#13
Mohammed Al-Biltagi, Maher Ahmed Abd ElHafez, Doaa Mohamed El Amrousy, Mohamed El-Gamasy, Hesham El-Serogy
BACKGROUND: The objective of this study was to evaluate the coronary circulation and calcification in children with end-stage renal disease (ESRD) on hemodialysis. METHODS: A total of 50 children with ESRD and 50 healthy controls were enrolled in the study. Cardiac functions and coronary blood flow were evaluated with conventional and tissue Doppler echocardiography. Coronary artery calcification (CAC) was evaluated using high-resolution multidetector computed tomography (CT)...
May 11, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28495812/value-of-pulmonary-artery-pressure-in-predicting-in-hospital-and-one-year-mortality-after-valve-replacement-surgery-in-middle-aged-and-aged-patients-with-rheumatic-mitral-disease-an-observational-study
#14
Lei Jiang, Xue-Biao Wei, Peng-Cheng He, Du Feng, Yuan-Hui Liu, Jin Liu, Ji-Yan Chen, Dan-Qing Yu, Ning Tan
OBJECTIVES: To investigate the role of pulmonary artery pressure (PAP) in predicting in-hospital death after valve replacement surgery in middle-aged and aged patients with rheumatic mitral disease. DESIGN: An observational study. SETTING: Guangdong General Hospital, China. PARTICIPANTS: 1639middle-aged and aged patients (mean age 57±6 years) diagnosed with rheumatic mitral disease, undergoing valve replacement surgery and receiving coronary angiography and transthoracic echocardiography before operation, were enrolled...
May 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28492786/the-brazilian-registry-of-adult-patient-undergoing-cardiovascular-surgery-the-bypass-project-results-of-the-first-1-722-patients
#15
Walter J Gomes, Rita Simone Moreira, Alexandre Cabral Zilli, Luiz Carlos Bettiati, Fernando Augusto Marinho Dos Santos Figueira, Stephanie Steremberg Pires D' Azevedo, Marcelo José Ferreira Soares, Marcio Pimentel Fernandes, Roberto Vito Ardito, Renata Andrea Barberio Bogdan, Valquíria Pelisser Campagnucci, Diana Nakasako, Renato Abdala Karam Kalil, Clarissa Garcia Rodrigues, Anilton Bezerra Rodrigues, Marcelo Matos Cascudo, Fernando Antibas Atik, Elson Borges Lima, Vinicius José da Silva Nina, Renato Albuquerque Heluy, Lisandro Gonçalves Azeredo, Odilon Silva Henrique, José Teles de Mendonça, Katharina Kelly de Oliveira Gama Silva, Marcelo Pandolfo, José Dantas de Lima, Renato Max Faria, Jonas Pereira Dos Santos, Rodrigo Pereira Paez, Guilherme Henrique Biachi Coelho, Sergio Nunes Pereira, Roberta Senger, Enio Buffolo, Guido Marco Caputi, José Amalth do Espírito Santo, Juliana Aparecida Borges de Oliveira, Otavio Berwanger, Alexandre Biasi Cavalcanti, Fabio B Jatene
Objective: To report the early results of the BYPASS project - the Brazilian registrY of adult Patient undergoing cArdiovaScular Surgery - a national, observational, prospective, and longitudinal follow-up registry, aiming to chart a profile of patients undergoing cardiovascular surgery in Brazil, assessing the data harvested from the initial 1,722 patients. Methods: Data collection involved institutions throughout the whole country, comprising 17 centers in 4 regions: Southeast (8), Northeast (5), South (3), and Center-West (1)...
March 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28492181/coinfection-by-streptococcus-phocae-and-cetacean-morbillivirus-in-a-short-beaked-common-dolphin-delphinus-delphis
#16
J Díaz-Delgado, E Sierra, A I Vela, M Arbelo, D Zucca, K R Groch, A Fernández
We describe gross, histopathological, and immunohistochemical features of Streptococcus phocae and cetacean morbillivirus coinfection in a short-beaked common dolphin Delphinus delphis. Major gross findings were cutaneous purulent nodules in the tail fluke, vegetative mitral valve endocarditis, and presumed postpartum pyometra. Histologic examination revealed bacterial septicemia characterized by widespread intravascular coccoid bacterial emboli. These were associated with fibrinonecrotizing to pyogranulomatous dermatitis and panniculitis, embolic pneumonia, neutrophilic and lymphoplasmacytic meningochoroiditis, random neutrophilic hepatitis, lymphoplasmacytic myocarditis and epicarditis, necrotizing adrenalitis, suppurative endometritis, and multicentric reactive lymphadenopathy...
May 11, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28488348/pulmonary-artery-stiffness-in-chronic-obstructive-pulmonary-disease-copd-and-emphysema-the-multi-ethnic-study-of-atherosclerosis-mesa-copd-study
#17
Chia-Ying Liu, Megha Parikh, David A Bluemke, Pallavi Balte, James Carr, Stephen Dashnaw, Hooman D Poor, Antoinette S Gomes, Eric A Hoffman, Steven M Kawut, Joao A C Lima, David A McAllister, Martin A Prince, Jens Vogel-Claussen, R Graham Barr
PURPOSE: Chronic obstructive pulmonary disease (COPD) and particularly emphysema are characterized by stiffness of the aorta, due in part to accelerated elastin degradation in the lungs and aorta. Stiffness of the pulmonary arteries (PAs) may also be increased in COPD and emphysema, but data are lacking. We assessed PA stiffness using MRI in patients with COPD and related these measurements to COPD severity and percent emphysema. MATERIALS AND METHODS: The Multi-Ethnic Study of Atherosclerosis (MESA) COPD Study recruited 290 participants, age 50-79 years with 10 or more packyears and free of clinical cardiovascular disease...
May 10, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28487156/severe-ischemic-cardiomyopathy-with-mechanical-complications-still-a-surgical-disease
#18
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/28486657/minimal-access-surgery-for-mitral-valve-endocarditis
#19
Cristina Barbero, Giovanni Marchetto, Davide Ricci, Samuel Mancuso, Massimo Boffini, Enrico Cecchi, Francesco Giuseppe De Rosa, Mauro Rinaldi
OBJECTIVES: Minimal access mitral valve surgery (MVS) has already proved to be feasible and effective with low perioperative mortality and excellent long-term outcomes. However, experience in more complex valve diseases such as infective endocarditis (IE) still remains limited. The aim of this retrospective study was to evaluate early and long-term results of minimal access MVS for IE. METHODS: Data were entered into a dedicated database. Analysis was performed retrospectively for the 8-year period between January 2007 and April 2015...
May 8, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28484585/disappearance-of-electrocardiographic-abnormalities-associated-with-the-arrhythmic-pattern-of-a-barlow-disease-after-surgical-mitral-valve-repair
#20
Matteo Augello, Luca Lanzarini
We describe the case of a 46-year old female with a Barlow's disease (MVP) characterized by systolic curling of posterior left ventricular (LV) wall + significant mitral annular disjunction + complex ventricular arrhythmias + syncope + inverted T waves in inferolateral leads in whom a successful surgical mitral valve rapair determined the disappearance not only of the echocardiographic but also the electrocar-diographic abnormalities (in particular the inferolateral T waves inversion on basal electrocardiogram and the complex basal arrhythmic pattern)...
April 6, 2017: Clinics and Practice
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