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Mitral Valve Insufficiency

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https://www.readbyqxmd.com/read/29137910/tamponade-hemodynamic-and-echocardiographic-diagnosis
#1
REVIEW
Mark J Kearns, Keith R Walley
Cardiac tamponade is a medical emergency that can be readily reversed with timely recognition and appropriate intervention. The clinical diagnosis of cardiac tamponade requires synthesis of a constellation of otherwise non-specific features, based on an understanding of the underlying pathophysiology. Whereas echocardiographic examination is a central component of diagnosis, alone it is insufficient to establish the physiologic diagnosis of hemodynamically significant cardiac tamponade. The hemodynamic diagnosis of cardiac tamponade requires clinical evidence of low cardiac output and stroke volume in the setting of elevated cardiac filling pressures, with evidence of increased sympathetic tone (tachycardia, peripheral vasoconstriction, etc), and exclusion of other causes of shock as the primary problem (particularly cardiogenic shock)...
November 11, 2017: Chest
https://www.readbyqxmd.com/read/29134238/a-comparison-of-anterograde-versus-retrograde-approaches-for-neonatal-balloon-aortic-valvuloplasty
#2
Namrita Mozumdar, Edmund Burke, Melissa Schweizer, Matthew J Gillespie, Yoav Dori, Hari K Narayan, Jonathan J Rome, Andrew C Glatz
In neonates requiring balloon aortic valvuloplasty, both anterograde and retrograde approaches are feasible. A recent comparison of these two approaches is lacking. A retrospective cohort study of neonates at a single center undergoing BAV from 9/00 to 7/14 was performed. Records were reviewed including pre- and post-intervention echocardiograms and catheterization data. Comparisons of acute efficacy and procedural safety were made based on type of approach utilized. Forty-two neonates underwent BAV. Eleven cases utilized exclusively an anterograde approach, while 31 included a retrograde approach (including 4 with both approaches used)...
November 13, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/29110936/right-versus-left-apical-transvenous-pacing-for-bradycardia-results-of-the-rivela-randomized-study
#3
Haran Burri, Hajo Müller, Richard Kobza, Christian Sticherling, Peter Ammann, Heiko Zerlik, Carine Stettler, Catherine Klersy, Frits Prinzen, Angelo Auricchio
AIMS: To compare cardiac function when pacing from the right or left ventricular apex in patients with preserved left ventricular systolic function, at 1-year follow-up. METHODS: Prospective, multicentre centre randomizing conventional right ventricular apical (RVA) versus left ventricular apical (LVA) pacing using a coronary sinus lead in patients requiring ventricular pacing for bradycardia. Follow-up was performed using 3D-echocardiography at 6 and 12 months...
October 27, 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29106557/surgical-results-of-mitral-valve-repair-for-congenital-mitral-valve-stenosis-in-paediatric-patients
#4
Sungkyu Cho, Woong-Han Kim, Jae Gun Kwak, Jeong Ryul Lee, Yong Jin Kim
OBJECTIVES: Mitral valve (MV) repairs have been performed in paediatric patients with congenital MV stenosis. However, congenital MV stenosis lesions are a heterogeneous group of lesions, and their repair remains challenging. METHODS: From March 1999 to September 2014, MV repair was performed in 22 patients with congenital MV stenosis. The median age was 10.3 months (ranging from 22 days to 9.1 years), and the mean body weight was 7.9 ± 4.0 kg at the time of the operation...
July 4, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29092036/antegrade-transseptal-approach-for-left-ventricular-tachyarrhythmia-in-patients-with-previous-mitraclip-implantation
#5
Kentaro Hayashi, Christian-H Heeger, Shibu Mathew, Tilman Maurer, Christine Lemes, Johannes Riedl, Bruno Reißmann, Christian Frerker, Stephan Geidel, Michael Schmoeckel, Ardan M Saguner, Francesco Santoro, Roland Richard Tilz, Andreas Metzner, Karl-Heinz Kuck, Feifan Ouyang
Aims: Antegrade-transseptal approach to treat left ventricular tachyarrhythmia (LVT) is useful and widespread. Meanwhile, Mitraclip has been recently introduced as an alternative to mitral valve surgery for severe mitral regurgitation, usually coexisting with ventricular arrhythmias. However, data on the antegrade approach for mapping and ablating LVT in these patients are insufficient. We evaluated the feasibility and clinical impact of the antegrade approach for LVT after Mitraclip implantation...
October 30, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29062380/anomalous-left-coronary-artery-from-the-pulmonary-artery-presenting-with-atypical-chest-pain-in-an-adult-a-case-report
#6
Reza Jafarzadeh Esfehani, Sara Hosseini, Mahmood Ebrahimi, Majid Jalalyazdi, Azadeh Mahmoudi Gharaee
The anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital anomaly. The usual clinical course is severe left-sided heart failure and mitral valve insufficiency presenting during the first months of life. However, in some cases, the collateral blood supply from the right coronary artery is sufficient and symptoms may be subtle or even absent. We describe a 49-year-old woman presenting with atypical chest pain during physical exertion. The exercise tolerance test and then coronary angiography by indication revealed an anomalous origin of the left coronary artery...
July 2017: Journal of Tehran Heart Center
https://www.readbyqxmd.com/read/29024827/left-ventricular-non-compaction-with-ebstein-anomaly-attributed-to-a-tpm1-mutation
#7
Aleksandra Nijak, Maaike Alaerts, Cuno Kuiperi, Anniek Corveleyn, Bert Suys, Bernard Paelinck, Johan Saenen, Emeline Van Craenenbroeck, Lut Van Laer, Bart Loeys, Aline Verstraeten
Left ventricular non-compaction (cardiomyopathy) (LVN(C)) is a rare hereditary cardiac condition, resulting from abnormal embryonic myocardial development. While it mostly occurs as an isolated condition, association with other cardiovascular manifestations such as Ebstein anomaly (EA) has been reported. This congenital heart defect is characterized by downward displacement of the tricuspid valve and leads to diminished ventricular size and function. In an autosomal dominant LVN(C) family consisting of five affected individuals, of which two also presented with EA and three with mitral valve insufficiency, we pursued the genetic disease cause using whole exome sequencing (WES)...
October 9, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28994654/impact-of-concomitant-mitral-regurgitation-on-transvalvular-gradient-and-flow-in-severe-aortic-stenosis-a-systematic-ex-vivo-analysis-of-a-subentity-of-low-flow-low-gradient-aortic-stenosis
#8
Felix Katte, Marcus Franz, Christian Jung, Hans R Figulla, David M Leistner, Philipp Jakob, Barbara E Stähli, Daniel Kretzschmar, Alexander Lauten
AIMS: Evaluation of aortic stenosis(AS) is based on measurement of mean transvalvular gradient(MPG), flow velocity(vmax) and aortic valve area(AVA). Objective of the present study was to analyse the impact of systemic hemodynamic variables and concomitant mitral regurgitation(MR) on aortic MPG, vmax and AVA in severe AS. METHODS AND RESULTS: A pulsatile circulatory model was designed to study function and interdependence of stenotic aortic and insufficient mitral prosthetic valves (n=8; effective regurgitation orifice (EROA)<0...
October 10, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28994146/congenital-unruptured-aneurysm-of-sinus-of-valsalva-quadricuspid-aortic-valve-and-ascending-aortic-aneurysm-associated-with-genetic-leukoencephalopathy-in-an-infant-a-new-syndrome
#9
Elaheh Malakan Rad, Hamidreza Pouraliakbar
We report a 15-month-old female with unruptured noncoronary sinus of Valsalva anreurysm (SOVA) associated with quadricuspid aortic valve, ascending aortic aneurysm (AAA), moderate aortic insufficiency, mild mitral insufficiency, genetic leukoencepaholpathy, developmental delay and mild mixed aminoaciduria. She was referred for evaluation of a cardiac murmur. Initial echocardiographic examination showed the aneurysm as a round cyst in the right atrium which changed in size during systole and diastole. As to the best of our knowledge, this is the first report of association of SOVA, quadricuspid aortic valve, AAA and genetic leukoencephalopathy in an infant...
October 10, 2017: Echocardiography
https://www.readbyqxmd.com/read/28993408/inheritance-impacts-mitral-valve-insufficiency
#10
EDITORIAL
Daniel P Judge, Russell A Norris
No abstract text is available yet for this article.
October 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/28982718/contemporary-outcomes-in-reoperative-mitral-valve-surgery
#11
Hunter J Mehaffey, Robert B Hawkins, Sarah Schubert, Clifford Fonner, Leora T Yarboro, Mohammed Quader, Alan Speir, Jeff Rich, Irving L Kron, Gorav Ailawadi
OBJECTIVE: Data suggest that redo mitral valve surgery is being performed in increasing numbers, possibly with superior results according to single-centre studies. The purpose of this study is to describe outcomes of redo mitral valve surgery and identify risk-adjusted predictors of poor outcomes. METHODS: All (11 973) open mitral valve cases were evaluated (2002-2016) from a regional Society of Thoracic Surgery (STS) database. Patients were stratified by primary versus redo mitral valve surgery...
October 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28977206/repair-of-double-orifice-left-av-valve-dolavv-with-endocardial-cushion-defect-in-adult
#12
Vivek Velayudhan Pillai, Jayakumar Karunakaran
Double orifice left atrioventricular valve (DOLAVV) or double orifice mitral valve (DOMV) is a rare congenital cardiac anomaly manifesting either as an isolated lesion (mitral stenosis or mitral insufficiency) or in association with other congenital cardiac defects. Signs of mitral valve disease are usually present along with the symptoms of associated coexistent congenital heart diseases. Mitral insufficiency due to annular dilatation is seen when DOLAVV is associated with endocardial cushion defects. Surgical intervention like mitral valve repair or replacement is required in 50% of patients and yields good results...
July 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28918529/anatomic-repair-of-congenitally-corrected-transposition-of-the-great-arteries-single-center-intermediate-term-experience
#13
Shagun Sachdeva, Roni M Jacobsen, Ronald K Woods, Michael E Mitchell, Joseph R Cava, Nancy S Ghanayem, Peter C Frommelt, Peter J Bartz, James S Tweddell
We present our experience for patients who have undergone an anatomic repair (AR) for congenitally corrected transposition of the great arteries (CCTGA) at the Children's Hospital of Wisconsin. A retrospective chart review of patients who underwent AR for CCTGA from 2001 to 2015 was performed. The cohort consisted of 15 patients (74% male). Median age of anatomic repair was 15 months (range 4.5-45.6 months). Four patients had a bidirectional Glenn (BDG) prior to AR. At the time of AR,-9 (60%) underwent Senning/Rastelli procedure, 4 (26...
December 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28843719/incidence-risk-factors-and-mortality-of-neonatal-and-late-onset-dilated-cardiomyopathy-associated-with-cardiac-neonatal-lupus
#14
Nathalie Morel, Kateri Lévesque, Alice Maltret, Gabriel Baron, Mohamed Hamidou, Pauline Orquevaux, Jean-Charles Piette, François Barriere, Jérôme Le Bidois, Laurent Fermont, Olivier Fain, Arnaud Theulin, François Sassolas, Quentin Hauet, Gaëlle Guettrot-Imbert, Sophie Georgin-Lavialle, Christophe Deligny, Eric Hachulla, Luc Mouthon, Claire Le Jeunne, Philippe Ravaud, Delphine Le Mercier, Bénédicte Romefort, Elisabeth Villain, Damien Bonnet, Nathalie Costedoat-Chalumeau
BACKGROUND: Dilated cardiomyopathy (DCM), a well-known complication of cardiac neonatal lupus, is associated with high mortality rate. Its risk factors remain unclear. METHODS: We analyzed occurrence of postnatal DCM among children with high-degree congenital heart block (CHB) and mothers with anti-SSA and/or anti-SSB antibodies. RESULTS: Among 187 neonates with CHB, 35 (18.8%, one missing data) had DCM and 22 (11.8%) died during a median follow-up of 7years [range: birth-36years]...
December 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28801688/-tricuspid-valve-regurgitation-indications-and-operative-techniques
#15
R Lange, N Piazza, T Günther
Functional tricuspid valve (TV) regurgitation secondary to left heart disease (e.g. mitral insufficiency and stenosis) is observed in 75% of the patients with TV regurgitation and is thus the most common etiology; therefore, the majority of patients who require TV surgery, undergo concomitant mitral and/or aortic valve surgery. Uncorrected moderate and severe TV regurgitation may persist or even worsen after mitral valve surgery, leading to progressive heart failure and death. Patients with moderate to severe TV regurgitation show a 3-year survival rate of 40%...
November 2017: Herz
https://www.readbyqxmd.com/read/28791992/-morphological-features-of-the-myocardium-of-the-atrial-appendages-in-patients-with-different-forms-of-atrial-fibrillation
#16
T V Sukhacheva, V A Vaskovsky, A Sh Revishvili, R A Serov
AIM: to analyze the morphological features of the myocardium of the atrial appendages in patients with different forms of atrial fibrillation (AF) and to compare the findings with the clinical parameters of patients. MATERIAL AND METHODS: Light and electron microscopies were used to examine the myocardium of the atrial appendages in adult patients with paroxysmal (PAF), persistent (PrAF), or long-standing persistent atrial fibrillation (LPAF) and in comparison group patients with sinus rhythm without history of AF...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28791582/physiological-mitral-annular-dynamics-preserved-after-ring-annuloplasty-in-mid-term-period
#17
Masaaki Ryomoto, Masataka Mitsuno, Mitsuhiro Yamamura, Hiroe Tanaka, Naosumi Sekiya, Hisashi Uemura, Ayaka Sato, Daisuke Ueda, Yuji Miyamoto
OBJECTIVE: Mitral annular structure and dynamics after mitral ring annuloplasty using transesophageal echocardiography during the operation have been reported. We evaluated mitral annular structure and dynamics of three different rings in the mid-term period postoperatively. METHODS: Thirty-one patients underwent mitral valve repair for degenerative mitral insufficiency. The MEMO 3D ring (semi-flexible), Carpentier-Edwards Physio II ring (semi-rigid), and St. Jude Medical Rigid Saddle Ring (rigid) were implanted in 15, 12, and eight patients, respectively, from September 2009 to February 2015...
November 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28791435/-mitraclip%C3%A2-for-treatment-of-tricuspid-valve-insufficiency
#18
R Pfister, S Baldus
Tricuspid valve regurgitation is frequently found as a result of right ventricular remodeling due to advanced left heart diseases. Drug treatment is limited to diuretics and the cardiac or pulmonary comorbidities. Due to the high risk only a small percentage of patients are amenable to surgical treatment of tricuspid regurgitation in those who undergo left-sided surgery for other reasons. Catheter-based procedures are an attractive treatment alternative, particularly since the strong prognostic impact of tricuspid regurgitation suggests an unmet need of treatment, independent of the underlying heart disease...
November 2017: Herz
https://www.readbyqxmd.com/read/28764216/association-between-left-ventricle-diastolic-dysfunction-and-unfavorable-prognostic-markers-in-patients-with-aortic-insufficiency
#19
Meliza Goi Roscani, Juliana da Cunha Duarte, Gustavo Nicolodi Augusto, Thaysa Rodrigues de Moraes Salgueiro, Mariana N Meireles, Juliana I F Gobbi, Katashi Okoshi, João Carlos Hueb
INTRODUCTION: The presence of symptoms, systolic dysfunction and Left Ventricle (LV) dilation are considered unfavourable prognostic markers in Aortic Valve Insufficiency (AVI). The role of diastolic dysfunction, which is considered unfavourable outcome marker in cardiac pathologies, is not well established in AVI. AIM: To evaluate if the presence of diastolic dysfunction may be associated with unfavourable prognostic markers in AVI patients. MATERIALS AND METHODS: A cross-sectional prospective study was performed on 22 patients with moderate or severe AVI...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28755880/should-annuloplasty-prosthesis-be-selected-dependent-on-the-location-of-prolapse-in-mitral-valve-repair-for-type-ii-dysfunction
#20
Naonori Kawamoto, Tomoyuki Fujita, Satsuki Fukushima, Hiroki Hata, Yusuke Shimahara, Koko Asakura, Junjiro Kobayashi
OBJECTIVE: This study explored the influence of prosthesis selection on long-term outcomes in patients who underwent mitral valve repair for mitral insufficiency (MI) due to type II dysfunction. METHODS: We retrospectively reviewed 452 patients with MI who underwent mitral valve repair for type II dysfunction between 2001 and 2014. Of these, 167 patients (37%) presented with anterior leaflet prolapse (anterior group) and 285 (63%) presented with posterior prolapse (posterior group)...
July 4, 2017: Journal of Thoracic and Cardiovascular Surgery
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