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Mitral Valve Insufficiency

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https://www.readbyqxmd.com/read/28528052/three-cases-of-aneurysmatic-coronary-fistulas-associated-with-mitral-valve-insufficiency
#1
Luca Sandrelli, Giuseppe Petrone, Giancarlo Sportelli, Mario Fabbrocini
We report three cases of coronary fistula aneurysm associated with mitral valve insufficiency. The patients were referred to our cardiovascular department because of exertional dyspnea. Echocardiography showed severe mitral valve insufficiency resulting from leaflet flail or prolapse and normal left ventricular function. In all three cases, preoperative coronary angiography showed coronary-to-pulmonary artery fistula associated with significant aneurysm of the fistulous tract. All patients underwent uneventful mitral valve repair and external ligation of the fistulas...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28473362/helcococcus-kunzii-prosthetic-valve-endocarditis-secondary-to-lower-extremity-cellulitis
#2
Saira Farid, William Miranda, Joseph Maleszewski, Muhammad Rizwan Sohail
An 88-year-old man with history of bioprosthetic aortic valve replacement was hospitalised with fever, chills, malaise and right lower extremity cellulitis. Laboratory investigations revealed leucocytosis and blood cultures grew Helcococcus kunzii Although transoesophageal echocardiography was negative for endocarditis, the patient was treated with 4 week of intravenous ceftriaxone. However, he was readmitted 6 weeks later with symptoms of fever, chills and hypoxia in setting of recurrent H. kunzii bacteraemia...
May 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28453792/triple-valve-surgery-through-a-less-invasive-approach-early-and-mid-term-results
#3
Petar Risteski, Nadejda Monsefi, Aleksandra Miskovic, Tanja Josic, Sherife Bala, Razan Salem, Andreas Zierer, Anton Moritz
OBJECTIVES: A partial upper sternotomy has become established as a less invasive approach mainly for single and double valve surgery. This report evaluates the clinical outcomes of triple valve surgery performed through a partial upper sternotomy. METHODS: We reviewed the medical records of 37 consecutive patients (28 men, 76%) who underwent triple valve surgery through a partial upper sternotomy between 2005 and 2015. The patients' mean age was 67 ± 17 years; 27 (73%) were in New York Heart Association Class III or IV...
May 1, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28424438/using-cardiovascular-imaging-modalities-to-determine-cardiac-disorders-before-starting-sports-activities
#4
Özgür Ceylan, Timur Meşe, Meşe Hazım Gürsu
OBJECTIVE: We re-examined children who had previously been declared eligible to participate in competitive sports activities for cardiac disorders, using cardiac investigation protocol. METHODS: Total of 250 children (224 males [89.6%], and 26 females [10.4%]) between the ages of 8 and 17 years who had just started or were already engaged in sports activities were included in the study. Participants had detailed physical examination evaluated by a pediatric cardiologist...
March 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28423130/bovine-pericardial-patch-augmentation-of-one-insufficient-aortic-valve-cusp-with-twenty-three-year-positive-clinical-follow-up-independent-of-the-patch-degeneration
#5
Paulo Roberto Barbosa Evora, Lívia Arcêncio, Patrícia Martinez Evora, Antônio Carlos Menardi, Fernando Chahud
Scientific progress shall ultimately boost the current acceptance level for conservative aortic valve surgery. The present text aimed to report the 23-year long-term follow-up of one patient operated with bovine pericardium cusp extension. Growing confidence in the efficacy of the operation will allow a more expeditious indication for surgical treatment, as is already the case in mitral valve repair. This change of attitude will certainly make it possible for patients to be sent for operation in mild aortic valve regurgitation...
January 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28366467/aortic-root-replacement-for-children-with-loeys-dietz-syndrome
#6
Nishant D Patel, Diane Alejo, Todd Crawford, Narutoshi Hibino, Harry C Dietz, Duke E Cameron, Luca A Vricella
BACKGROUND: Loeys-Dietz syndrome (LDS) is an aggressive aortopathy with a proclivity for aortic aneurysm rupture and dissection at smaller diameters than other connective tissue disorders. We reviewed our surgical experience of children with LDS to validate our guidelines for prophylactic aortic root replacement (ARR). METHODS: We reviewed all children (younger than 18 years) with a diagnosis of LDS who underwent ARR at our institution. The primary endpoint was mortality, and secondary endpoints included complications and the need for further interventions...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28295972/first-report-of-a-simultaneous-transcatheter-mitral-valve-in-valve-and-aortic-valve-replacement-in-a-left-ventricular-assist-device-patient
#7
Christopher Meduri, James Kauten, Mani Vannan, Vivek Rajagopal
Transcatheter aortic valve replacement is standard of care for patients with severe aortic stenosis at high risk for surgical aortic valve replacement. Although not intended for treatment of primary aortic insufficiency, several transcatheter aortic valve prostheses have been used to treat patients with severe aortic insufficiency (AI), including patients with left ventricular assist devices (LVAD), in whom significant AI is not uncommon. Similarly, transcatheter valve replacements have been used for valve-in-valve treatment, in the pulmonary, aortic, and mitral positions, either via a retrograde femoral approach or antegrade transseptal approach (mitral valve-in-valve)...
March 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28289019/insufficient-leaflet-remodeling-in-patients-with-atrial-fibrillation-association-with-the-severity-of-mitral-regurgitation
#8
Nobuyuki Kagiyama, Akihiro Hayashida, Misako Toki, Shota Fukuda, Minako Ohara, Atsushi Hirohata, Keizo Yamamoto, Mitsuaki Isobe, Kiyoshi Yoshida
BACKGROUND: The relationship between annular dilatation caused by atrial fibrillation (AF) and mitral regurgitation (MR) remains controversial. We hypothesized that the small ratio of total leaflet area/annulus area (TLA/AA), reflecting insufficient leaflet remodeling to annular dilatation, is a main component of MR in patients with AF. METHODS AND RESULTS: Three-dimensional transesophageal echocardiographic data of the mitral valve were analyzed in 28 AF patients with moderate or severe MR (MR group), age- and sex-matched 56 AF patients with mild or less MR (non-MR group), and 16 control subjects...
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28238237/immediate-early-and-late-failure-after-transcatheter-aortic-valve-implantation-how-to-deal-with-the-inoperable
#9
Sabina PW Guenther, Maximilian A Pichlmaier, Erik Bagaev, Florian Herrmann, René Schramm, Steffen Massberg, Christian Hagl, Nawid Khaladj
BACKGROUND: Currently, the use of transcatheter aortic valve implantation (TAVI) is constantly increasing, whilst cardiosurgical back-up varies substantially. Besides immediate conversion to surgical aortic valve replacement (SAVR) for periprocedural complications, SAVR for TAV failure may be necessary within the early or late post-implant course. The etiology, incidence, risk-stratification, management and outcome for both scenarios are largely unclear. The study aim was to provide details of the authors' experience of SAVR after the failure of TAVI at a single institution...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28203419/diagnosis-of-mitral-valve-cleft-using-real-time-3-dimensional-echocardiography
#10
Xinchun Yuan, Aiyun Zhou, Li Chen, Cheng Zhang, Yan Zhang, Pan Xu
BACKGROUND: Mitral valve cleft (MVC) is the most common cause of congenital mitral insufficiency, and MVC may occur alone or in association with other congenital heart lesions. Direct suture and valvuloplasty are the major and effective treatments for mitral regurgitation (MR) caused by MVC. Therefore, it is important to determine the location and magnitude of the pathological damage due to MVC when selecting a surgical procedure for treatment. This study explored the application value of transthoracic real-time 3-dimensional (3D) echocardiography (RT-3DE) in the diagnosis of MVC...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28185355/catheter-ablation-of-ventricular-tachycardia-in-patients-with-mitraclip-device-preliminary-findings
#11
Laurent M Haegeli, Giuseppe D'Angelo, Nicola Trevisi, Stefano Stella, Alexander Breitenstein, Firat Duru, Corinna Brunckhorst, Paolo Della Bella
INTRODUCTION: Patients with mitral regurgitation are increasingly treated by percutaneous implantation of a MitraClip device (Abbott Park, IL, USA). We investigate the feasibility and safety of the transmitral catheter route for catheter ablation of ventricular tachycardia (VT) in these patients. METHODS: The mitral valve with the MitraClip in situ was crossed under transesophageal 3-dimensional echocardiographic and fluoroscopic guidance using a steerable sheath for ablation of the left ventricle...
February 10, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28152491/aggregatibacter-aphrophilus-infective-endocarditis-confirmed-by-broad-range-pcr-diagnosis-a-case-report
#12
Koji Hirano, Toshiya Tokui, Masahiro Inagaki, Taro Fujii, Yasumi Maze, Hirokazu Toyoshima
INTRODUCTION: Aggregatibacter aphrophilus is a rare cause of infective endocarditis. This pathogen is difficult to identify with common culture methods, which can lead to incorrect diagnosis and treatment. PRESENTATION OF CASE: A 72-year-old woman was admitted to a community hospital with a persistent high fever and deteriorating renal function. Based on negative blood culture and positive serum proteinase 3 anti-neutrophil cytoplasmic antibody (PR3-ANCA), acute renal failure associated with ANCA-rerated vasculitis was initially suspected...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28139107/-venous-aneurysms-associated-with-lymphatic-malformations
#13
V Núñez Cerezo, M I Romo Muñoz, J Jiménez Gómez, P Triana Junco, A Sánchez Galán, G Chocarro Amatriain, J C López Gutiérrez
OBJECTIVES: To analyze and describe the association between the development of venous aneurysms of the mayor vessels in patients with lymphatic malformations. MATERIAL AND METHODS: Retrospective review of patients diagnosed with both VA and LM from 1993 to 2014 and a descriptive analysis of clinical course was performed. RESULTS: We found 6 patients, 50% females, who had LM and VA confirmed with imaging techniques. All were diagnosed between 20 weeks- 12 years of age...
April 10, 2016: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28118782/initial-experience-with-xenograft-bioconduit-for-the-treatment-of-complex-prosthetic-valve-endocarditis
#14
Apostolos Roubelakis, Dimos Karangelis, Syed Sadeque, Bobby Yanagawa, Amit Modi, Clifford W Barlow, Steven A Livesey, Sunil K Ohri
INTRODUCTION: The treatment of complex prosthetic valve endocarditis (PVE) with aortic root abscess remains a surgical challenge. Several studies support the use of biological tissues to minimize the risk of recurrent infection. We present our initial surgical experience with the use of an aortic xenograft conduit for aortic valve and root replacement. METHODS: Between October 2013 and August 2015, 15 xenograft bioconduits were implanted for complex PVE with abscess (13...
January 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28111369/triple-valve-surgery-through-a-less-invasive-approach-early-and-mid-term-results
#15
Petar Risteski, Nadejda Monsefi, Aleksandra Miskovic, Tanja Josic, Sherife Bala, Razan Salem, Andreas Zierer, Anton Moritz
OBJECTIVES: A partial upper sternotomy has become established as a less invasive approach mainly for single and double valve surgery. This report evaluates the clinical outcomes of triple valve surgery performed through a partial upper sternotomy. METHODS: We reviewed the medical records of 37 consecutive patients (28 men, 76%) who underwent triple valve surgery through a partial upper sternotomy between 2005 and 2015. The patients' mean age was 67 ± 17 years; 27 (73%) were in New York Heart Association Class III or IV...
January 22, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28105540/echocardiographic-assessment-of-long-term-hemodynamic-characteristics-of-mechanical-mitral-valve-prostheses-with-different-mitral-valvular-diseases
#16
Xiliang Zhu, Qian Li, Hong Tang, Xijun Xiao
Mitral stenosis (MS) and mitral insufficiency (MI) have different pre-operative hemodynamic characteristics. However, it is unclear if there are differences in long-term echocardiographic characteristics of MS and MI patients after mechanical mitral valve replacement. This study is to compare long-term echocardiographic results of mechanical mitral valve prostheses between MS and MI patients. From January 2003 to January 2009, a total of 199 consecutive patients were recruited in this study. Patients were classified as group MS (n = 123) and MI (n = 76) according to the manifestation of mitral valvular disease...
March 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28097185/immediate-improvement-in-severe-mitral-regurgitation-after-aortic-valve-replacement-for-severe-aortic-insufficiency
#17
Ahmad Zeeshan, Mojun Zhu, John A Elefteriades
A 57-year-old male with ascending aortic aneurysm, severe aortic regurgitation, and severe mitral regurgitation (MR) underwent ascending aortic replacement and aortic valve replacement. MR in this patient with normal mitral valve morphology was considered secondary to aortic valve incompetency. Consequently, a surgical approach to restore aortic valve function was adopted with successful MR resolution. This case report demonstrates the possibility of reversing early functional mitral regurgitation without surgically approaching the mitral valve...
June 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28096824/extended-myectomy-in-the-treatment-of-patients-with-hypertrophic-obstructive-cardiomyopathy
#18
Mateusz Kuć, Piotr Kołsut, Jacek Różański, Maciej Dąbrowski, Mariusz Kłopotowski, Magda Kumor, Mirosław Kowalski, Natalia Kopyłowska, Jarosław Kuriata, Mariusz Kuśmierczyk
INTRODUCTION: Partial resection of the septal muscle is a well-established and effective method of surgical treatment for patients with hypertrophic obstructive cardiomyopathy (HOCM). The procedure is characterized by a low operative mortality rate and long-term clinical improvement that has been confirmed in numerous publications. Mitral insufficiency in patients with HOCM is mostly functional due to the effect of systolic anterior motion (SAM). AIM: To present the early results of surgical treatment provided to HOCM patients and to compare the effectiveness of two surgical procedures: isolated myectomy and myectomy combined with mitral valve replacement...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28069701/loss-of-axin2-results-in-impaired-heart-valve-maturation-and-subsequent-myxomatous-valve-disease
#19
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
#20
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
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