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Rheumatic mitral valve

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https://www.readbyqxmd.com/read/28633260/total-chordal-sparing-mitral-valve-replacement-in-rheumatic-disease-a-word-of-caution
#1
Samuel M Kessel, Robert B Hawkins, Leora T Yarboro, Gorav Ailawadi
Total chordal preservation is the standard for mitral valve replacement to maintain long-term left ventricular geometry. Whereas it is appropriate for functional and degenerative mitral regurgitation, the role of chordal sparing in rheumatic valve disease is less well understood, with limited evidence supporting total chordal sparing. Inasmuch as this autoimmune disease affects the subvalvular apparatus in addition to the leaflets, it can be expected to continue after surgical repair. Here we present 2 patients who experienced adverse events associated with total chordal sparing mitral replacement as a result of disease progression with rapid fibrous growth causing inflow obstruction and early prosthetic valve failure...
July 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28618423/long-term-clinical-outcomes-of-the-carpentier-edwards-perimount-pericardial-bioprosthesis-in-chinese-patients-with-single-or-multiple-valve-replacement-in-aortic-mitral-or-tricuspid-positions
#2
Huiming Guo, Cong Lu, Huanlei Huang, Bin Xie, Jian Liu, Shaoyi Zheng, Ruixin Fan, Jimei Chen, Jian Zhuang
OBJECTIVES: To report the safety and efficacy results of a 9- to 15-year follow-up investigation among patients who had received Carpentier-Edwards Perimount (CE-P) bovine pericardial bioprostheses (Edwards Lifesciences, Irvine, CA, USA) for valve replacement. METHODS: This retrospective study investigated freedom from structural valve deterioration (SVD) as well as survival and reoperation among different age and etiology groups in patients who were implanted with a CE-P bioprosthesis at Guangdong General Hospital between 2001 and 2007...
June 16, 2017: Cardiology
https://www.readbyqxmd.com/read/28616570/a-study-of-spectrum-of-rheumatic-heart-disease-in-a-tertiary-care-hospital-in-central-nepal
#3
S Laudari, G Subramanyam
BACKGROUND AND AIMS: Rheumatic heart disease is one of the most common cause for heart failure and associated mortalities/morbidities in the young population in developing countries like Nepal imparting huge familial, social and manpower burden. MATERIALS AND METHODS: This is a hospital based descriptive cross-sectional study during June 2014 to April 2016 over a period of 22 months at College of Medical Sciences-Bharatpur including 235 patients with clinical and/or echocardiographic evidence of definite rheumatic heart disease...
June 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28614262/minimally-invasive-mitral-valve-replacement-is-a-safe-and-effective-surgery-for-patients-with-rheumatic-valve-disease-a-retrospective-study
#4
Junyu Zhai, Lai Wei, Ben Huang, Chunsheng Wang, Hongqiang Zhang, Kanhua Yin
The aim of the study was to evaluate the treatment of minimally invasive mitral valve replacement (MIMVR) through a right minithoracotomy for patients with rheumatic mitral valve disease.From February 2009 to December 2016, 360 patients with rheumatic mitral valve disease underwent mitral valve replacement by the same surgeon. Among them, 150 patients accepted MIMVR through a right minithoracotomy, whereas the other 210 accepted a traditional median sternotomy. After matching by patients by age, sex, EuroSCORE, New York Heart Association (NYHA) classification, renal and liver function, and degree of mitral valve disease, we selected 224 patients for analysis in our retrospective study...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28614214/a-rare-case-of-multiple-thrombi-in-a-giant-left-atrium
#5
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/28594430/substrate-characteristics-and-ablation-outcome-of-left-atrial-tachycardia-in-rheumatic-mitral-valve-disease
#6
Hongwu Chen, Bing Yang, Weizhu Ju, Fengxiang Zhang, Gang Yang, Kai Gu, Mingfang Li, Hailei Liu, Zidun Wang, Kejiang Cao, Minglong Chen
BACKGROUND: Right atrial tachycardia (AT) is common arrhythmia post-surgical valve replacement in patients with rheumatic heart disease (RHD). However, the substrate and the mechanism of left AT in such patients and the ablation efficacy is less known. METHODS AND RESULTS: Twenty-seven RHD patients with AT were enrolled in this study, nine of them (33%) had Left AT. Five and four patients had left AT during the first and second procedure, respectively. A spontaneous scar in the left posterior wall was identified in all patients, and obvious anterior scar in three patients...
June 8, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28583297/the-cox-maze-iv-procedure-for-atrial-fibrillation-is-equally-efficacious-in-patients-with-rheumatic-and-degenerative-mitral-valve-disease
#7
Jonathan E Labin, Nowrin Haque, Laurie A Sinn, Richard B Schuessler, Marc R Moon, Hersh S Maniar, Spencer J Melby, Ralph J Damiano
OBJECTIVE: To determine whether the etiology of mitral valve disease (MVD), due to either rheumatic or degenerative pathology, influences long-term outcomes after the Cox-Maze IV procedure (CMPIV). METHODS: Between February 2001 and July 2015, 245 patients received a CMIV and concomitant mitral valve procedure. Patients were separated into 2 cohorts based on their etiology of MVD, degenerative (n = 153) and rheumatic (n = 92). Patients were followed prospectively (mean follow-up: 41 ± 37 months) for recurrent atrial tachyarrhythmias (ATAs)...
May 17, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28582520/rapid-resolution-of-ortner-s-syndrome-with-giant-left-atrium-after-double-valve-replacement-surgery
#8
Metesh Nalin Acharya, Toufan Bahrami, Aron-Frederik Popov, Sunil Kishore Bhudia
Hoarseness of voice due to recurrent laryngeal nerve palsy is an uncommon manifestation of cardiothoracic disease. Ortner's syndrome is hoarseness attributed to mechanical compression of the left recurrent laryngeal nerve in association with several cardiopulmonary disease states. We here describe a rare case of Ortner's syndrome developing in a 60-year-old woman with a giant left atrium in the context of rheumatic mitral valve stenosis. The remarkable resolution of her voice hoarseness within 1 week of valve replacement surgery has not been reported in similar cases to date...
June 5, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28579111/clinical-features-and-prognosis-of-infective-endocarditis-in-children-insights-from-a-tunisian-multicentre-registry
#9
Walid Jomaa, Imen Ben Ali, Dorra Abid, Samia Hajri Ernez, Leila Abid, Faten Triki, Samir Kammoun, Anissa Gharbi, Oussama Ben Rejeb, Abdallah Mahdhaoui, Gouider Jeridi, Mohamed A Azaiez, Aymen El Hraiech, Khaldoun Ben Hamda, Faouzi Maatouk
BACKGROUND: Infective endocarditis (IE) is a rare condition in the paediatric setting. No data on the epidemiology and prognosis of IE in children are available from North African countries. AIM: To investigate the epidemiological profile and prognosis of IE in children in Tunisia. METHODS: All patients aged≤18 years presenting with IE in three Tunisian tertiary care centres between January 1997 and September 2013 were included. Clinical features and 30-day and 6-month mortality rates were studied...
May 31, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28558692/the-feasibility-and-efficacy-of-implementing-a-focused-cardiac-ultrasound-course-into-a-medical-school-curriculum
#10
Sergio L Kobal, Yotam Lior, Alon Ben-Sasson, Noah Liel-Cohen, Ori Galante, Lior Fuchs
BACKGROUND: Teaching cardiac ultrasound to medical students in a brief course is a challenge. We aimed to evaluate the feasibility of teaching large groups of medical students the acquisition and interpretation of cardiac ultrasound images using a pocket ultrasound device (PUD) in a short, specially designed course. METHODS: Thirty-one medical students in their first clinical year participated in the study. All were novices in the use of cardiac ultrasound. The training consisted of 4 hours of frontal lectures and 4 hours of hands-on training...
May 30, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28554987/the-impact-of-cardiac-rhythm-on-the-mitral-valve-area-and-gradient-in-patients-with-mitral-stenosis
#11
Hasan Arı, Selma Arı, Alper Karakuş, Sencer Camcı, Kübra Doğanay, Ahmet Tütüncü, Mehmet Melek, Tahsin Bozat
OBJECTIVE: The aim of this study was to evaluate the effect of cardiac rhythm on the echocardiographic mitral valve area (MVA) and transmitral gradient calculation in relation to net atrioventricular compliance (Cn). METHODS: Patients (n=22) with mild or moderate pure rheumatic mitral stenosis (MS) (MVA <2 cm2 and MVA >1 cm2) and atrial fibrillation (AF) were evaluated. All patients underwent transthoracic electrical DC cardioversion under amiodarone treatment...
May 24, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28517046/three-dimensional-proximal-flow-convergence-automatic-calculation-for-determining-mitral-valve-area-in-rheumatic-mitral-stenosis
#12
Francisco Sampaio, Ricardo Ladeiras-Lopes, João Almeida, Paulo Fonseca, Ricardo Fontes-Carvalho, José Ribeiro, Vasco Gama
PURPOSE: Management of patients with mitral stenosis (MS) depends heavily on the accurate quantification of mitral valve area (MVA) using echocardiography. All currently used two-dimensional (2D) methods have limitations. Estimation of MVA using the proximal isovelocity surface area (PISA) method with real time three-dimensional (3D) echocardiography may circumvent those limitations. We aimed to evaluate the accuracy of 3D direct measurement of PISA in the estimation of MVA. METHODS: Twenty-seven consecutive patients (median age of 63 years; 77...
May 18, 2017: Echocardiography
https://www.readbyqxmd.com/read/28497556/mitral-arcade-a-rare-case-presenting-with-fatigue-and-cough
#13
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/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/28471981/oncostatin-m-was-associated-with-thrombosis-in-patients-with-atrial-fibrillation
#15
Jun Xie, Suhui Zhu, Qing Dai, Jianrong Lu, Jianzhou Chen, Guannan Li, Han Wu, Ran Li, Wei Huang, Biao Xu, Wei Xu
The mechanism underlying thrombosis in atrial fibrillation (AF) is not yet clearly understood. Oncostatin M (OSM), as a member of IL-6 family, is involved in atherosclerosis-mediated thrombosis. The present study hypothesizes that OSM and its downstream factors play a role in thrombogenesis in AF.The specimens of left atrial appendages collected from patients with rheumatic mitral stenosis who underwent valve replacement were divided into 3 groups: sinus rhythm, AF(+)/thrombus(-), and AF(+)/thrombus(+) group...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28460768/case-series-difficult-ptmc-using-novel-technique-of-veno-arterial-looping
#16
Veena Nanjappa, K S Sadanand, K Santhosh, Harsha Basappa, C N Manjunath, Mohan H Nayak
Percutaneous transvenous mitral commissurotomy (PTMC) using Inoue/Accura balloon is an effective procedure for management of patients with rheumatic mitral stenosis.(1) Inability to cross the mitral valve is one of the pertinent reasons for procedural failure. We describe a series of three patients who were tackled with successful PTMC using a novel technique of veno-arterial looping and in the fourth patient we used double loop entry into left ventricle with veno-arterial rail and peripheral balloon dilatation for completing the PTMC...
March 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28432156/epidemiology-of-valvular-heart-disease-in-a-swedish-nationwide-hospital-based-register-study
#17
Pontus Andell, Xinjun Li, Andreas Martinsson, Charlotte Andersson, Martin Stagmo, Bengt Zöller, Kristina Sundquist, J Gustav Smith
OBJECTIVE: Transitions in the spectrum of valvular heart diseases (VHDs) in developed countries over the 20th century have been reported from clinical case series, but large, contemporary population-based studies are lacking. METHODS: We used nationwide registers to identify all patients with a first diagnosis of VHD at Swedish hospitals between 2003 and 2010. Age-stratified and sex-stratified incidence of each VHD and adjusted comorbidity profiles were assessed...
April 21, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28424890/left-atrial-electromechanical-conduction-time-predicts-atrial-fibrillation-in-patients-with-mitral-stenosis-a-5-year-follow-up-speckle-tracking-echocardiography-study
#18
Ozkan Candan, Cetin Gecmen, Arzu Kalayci, Cem Dogan, Emrah Bayam, Mehmet Ozkan
Prolonged left atrial electromechanical conduction time is related with atrial electrical remodeling, and is predictive of the development of atrial fibrillation. The aim of our study was to examine whether left atrial electromechanical conduction time (EMT) and left atrial strain as measured by speckle tracking echocardiography (STE) are predictors for the development of atrial fibrillation (AF) in patients with mitral stenosis (MS) at 5-year follow-up. A total of 81 patients (61% females; mean age 38.1 ± 12...
April 19, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28423126/chronic-atrial-fibrillation-ablation-with-harmonic-scalpel-during-mitral-valve-surgery
#19
Alexandre Visconti Brick, Domingo M Braile
Objective: To evaluate surgical treatment of chronic atrial fibrillation with ultrasound in patients with mitral valve disease, considering preoperative clinical characteristics of patients undergoing surgical procedure and follow-up in the immediate postoperative period, in hospital and up to 60 months after discharge. Methods: We studied 100 patients with chronic atrial fibrillation and mitral valve disease who underwent surgical treatment using ultrasound ablation...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28415120/p1088match-and-mismatch-between-opening-area-and-resistance-in-mild-and-moderate-rheumatic-mitral-stenosis
#20
I El-Dosouky
Background: Mitral valve resistance (MVR) is a hemodynamic consequence of mitral stenosis but it has no clear threshold and it has a shortage of data to be reliable. Purpose: is to investigate match and mismatch between opening area and resistance especially in patients with moderate and mild mitral stenosis. Materials: This cross section case control study comprised 88 patients with moderate and mild rheumatic mitral stenosis. Transthorathic echocardiographic study estimated: mitral valve area (MVA) both by planimerty (2D) and pressure half time (PHT), mitral valve score (MVS), mean transmitral pressure gradient (MPG), diastolic filling time(DFT), left ventricular out flow tract diameter (LVOTd) and velocity time integral (LVOT vti) , the MVR was calculated as: MPG/aortic flow ratio [(LVOTd) (LVOTvti)/ DFT] in dynes...
December 1, 2016: European Heart Journal Cardiovascular Imaging
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