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Aortic regurgitation

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https://www.readbyqxmd.com/read/28435002/systemic-arterial-hypertension-secondary-to-chronic-kidney-disease-in-two-captive-born-large-felids
#1
A Leclerc, E Trehiou-Sechi, E M Greunz, C Damoiseaux, J Bouvard, V Chetboul
Systemic arterial hypertension (SHT) has been widely described in the domestic cat (Felis catus). In these feline patients, SHT is considered as the most common vascular disorder of middle-aged to older animals, and secondary SHT related to chronic kidney disease (CKD) represents the most common form of the disease. We describe here the first two cases of spontaneous SHT in large felids, i.e. one 18-year old, 34.4 kg, male North-Chinese leopard (Panthera pardus japonensis, case #1) and one 20-year old, 28...
April 20, 2017: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
https://www.readbyqxmd.com/read/28434646/factors-determining-aortic-valve-dysfunction-in-korean-subjects-with-a-bicuspid-aortic-valve
#2
Soo Youn Lee, Chi Young Shim, Darae Kim, Iksung Cho, Geu-Ru Hong, Jong-Won Ha, Namsik Chung
Bicuspid aortic valve (BAV) disease has a male predominance of approximately 3:1 and shows diverse presentations about aortic valve dysfunction. This study aimed to find independent determinants for significant aortic stenosis (AS) or significant aortic regurgitation (AR) in adults with BAV. We retrospectively investigated the medical records of 1,073 subjects (773 men, mean age 55 ± 14 years) who were first diagnosed with BAV disease by transthoracic echocardiography. We excluded 52 subjects with both significant AS and significant AR...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28432187/transesophageal-echocardiographic-guidance-of-transcatheter-closure-of-the-aortic-valve-in-a-patient-with-left-ventricular-assist-device-related-severe-aortic-regurgitation
#3
Preetham R Muskala, Taiyeb M Khumri, Michael L Main
No abstract text is available yet for this article.
June 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28432156/epidemiology-of-valvular-heart-disease-in-a-swedish-nationwide-hospital-based-register-study
#4
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/28431719/mitral-valve-necrosis-after-cardiac-surgery-using-gelatin-resorcinol-formaldehyde-glue
#5
Yuki Tanaka, Tadashi Kitamura, Yurie Miyata, Kagami Miyaji
We present a rare case of mitral regurgitation with anterior mitral leaflet perforation associated with gelatin-resorcinol-formaldehyde (GRF) glue. We performed mitral valve replacement for anterior mitral leaflet perforation occurred 7 years after aortic valve replacement and abscess cavity repair using GRF glue. Long-term follow-up is needed for patients who have undergone surgeries using GRF glue or BioGlue (CryoLife, Inc, Kennesaw, GA) because of the possibility of late complications. In particular, when an eccentric mitral regurgitation is observed after aortic root surgery using GRF glue or BioGlue, anterior mitral leaflet perforation should be considered...
May 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28429120/the-influence-of-pump-rotation-speed-on-hemodynamics-and-myocardial-oxygen-metabolism-in-left-ventricular-assist-device-support-with-aortic-valve-regurgitation
#6
Kei Iizuka, Tomohiro Nishinaka, Yoshiaki Takewa, Kenji Yamazaki, Eisuke Tatsumi
Aortic valve regurgitation (AR) is a serious complication under left ventricular assist device (LVAD) support. AR causes LVAD-left ventricular (LV) recirculation, which makes it difficult to continue LVAD support. However, the hemodynamics and myocardial oxygen metabolism of LVAD support with AR have not been clarified, especially, how pump rotation speed influences them. An animal model of LVAD with AR was newly developed, and how pump rotation speed influences hemodynamics and myocardial oxygen metabolism was examined in acute animal experiments...
April 20, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28427598/computed-tomography-based-oversizing-degrees-and-incidence-of-paravalvular-regurgitation-of-a-new-generation-transcatheter-heart-valve
#7
Philipp Blanke, Philippe Pibarot, Rebecca Hahn, Neil Weissman, Susheel Kodali, Vinod Thourani, Rupa Parvataneni, Danny Dvir, Christopher Naoum, Bjarne L Nørgaard, Pamela Douglas, Wael Jaber, Omar K Khalique, Hasan Jilaihawi, Michael Mack, Craig Smith, Martin Leon, John Webb, Jonathon Leipsic
OBJECTIVES: The aim of the study was to investigate the influence of the extent of computed tomography (CT)-based area and perimeter oversizing on the incidence and severity of paravalvular aortic regurgitation (PAR) for the Edwards SAPIEN 3 (Edwards Lifesciences, Irvine, California) device, using CT data and echocardiographic outcome data of the PARTNER II (Placement of AoRTic TraNscathetER Valves Trial II) SAPIEN 3 intermediate-risk cohort. BACKGROUND: Transcatheter heart valve (THV) sizing algorithms are device specific, requiring refinements for new valve designs...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28425317/mortality-risk-factors-from-converting-off-pump-coronary-artery-bypass-to-on-pump-coronary-artery-bypass
#8
Na Miao, Feng Yang, Zhongtao Du, Chunjing Jiang, Xing Hao, Jinhong Wang, Yu Jiang, Xiaofang Yang, Haixiu Xie, Xiaotong Hou
INTRODUCTION: A number of large-scale retrospective studies revealed that off-pump coronary artery bypass (OPCAB) was superior to on-pump coronary artery bypass (ONCAB). The aim of the study was to investigate risk factors for mortality when OPCAB is converted to ONCAB. METHODS: Patients who underwent OPCAB conversion to ONCAB at the Beijing Anzhen Hospital between January 2003 and January 2013 were assigned to the non-survivor and survivor groups. Background demographics, illness history and preoperative, intraoperative and postoperative variables were compared...
April 1, 2017: Perfusion
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
#9
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/28415116/p1007aortic-root-diameters-and-aortic-regurgitation-in-hypertensive-patients-and-normal-subjects
#10
O Vriz, N B Bertn, G Brosolo, E Bossone
Purpose: : The association between aortic root diameters and aortic regurgitation in hypertension (HT) is disputed with lack of understanding of the underline mehanisms lT. We investigate the relationship between aortic root diameters and aortic regurgitation in newly diagnosed and never treated hypertensive patients and in a group healthy subjects. Method: Participants were 175 hypertensives (42 F and 133 M) and 305 normotensives (134 F, 168 M) age matched (mean age 52...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28415104/p697new-indices-for-a-best-quantification-of-left-ventricular-function-in-heart-valve-diseases
#11
A Hubert, E Galli, G Bouzille, E Samset, E Donal
Aims. The Assessment of left ventricular (LV) function remains a clinical challenge especially in patients with preserved LV ejection fraction (EF) and valvular heart diseases (VHD). Mechanical dispersion is supposed to be a strong predictor of events and, to be related to the extent of fibrosis. Regional cardiac work is a new validated and very promising approach to quantify LV-function. We investigated the differences in mechanical dispersions and global LV work (totW) and wasted work fraction (WWF) in normal subjects and in patients with severe primary mitral regurgitation (MR) and severe aortic stenosis (AS)...
December 1, 2016: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28405096/cardiac-rehabilitation-for-a-skydiver-after-aortic-valve-replacement-for-pure-aortic-regurgitation-and-resection-of-the-ascending-aorta-complicated-by-active-infective-endocarditis-and-heart-block-requiring-a-pacemaker
#12
Tonja R Solomon, Sandra DeJong, Tim Bilbrey, Pasquale Carbone, Mark Campbell, Robert D Parker, Alessandra Lira, Diogo Amarante, Jeffrey M Schussler, Jenny Adams
A professional skydiver underwent aortic valve and ascending aorta replacement complicated by infective endocarditis with root abscess and pacemaker implantation. He then enrolled in the Baylor Heart and Vascular Hospital cardiac rehabilitation (CR) program as part of its specificity of testing and exercise training facility. He performed specific skydiving cardiovascular and muscular strength tests at the beginning and the end of the CR program. His pacemaker was interrogated to ascertain any arrhythmias or lead displacement over the course of the CR program...
April 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28402400/unplanned-cardiac-reoperations-and-interventions-during-long-term-follow-up-after-the-norwood-procedure%C3%A2
#13
Eva Sames-Dolzer, Gregor Gierlinger, Michaela Kreuzer, Julia Schrempf, Roland Gitter, Christoph Prandstetter, Gerald Tulzer, Rudolf Mair
OBJECTIVES: Patients with hypoplastic left heart syndrome or related malformations are predominantly treated with a 3-stage palliation. Anatomic or physiologic problems can lead to unplanned additional surgical or catheter interventions during single ventricle palliation. Changes in operative technique may have an impact on the reoperation rate. METHODS: Between 1997 and 2014, 317 Norwood procedures were performed at our centre. A retrospective single centre investigation was carried out concerning incidence, timing, indication and type of unplanned interstage cardiac reoperations and catheter interventions during follow-up of Norwood patients...
April 11, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28400934/quadricuspid-aortic-valve-complicated-with-severe-aortic-regurgitation-and-left-sided-inferior-vena-cava
#14
Jun Shiraishi, Kazunari Okawa, Kohei Muguruma, Daisuke Ito, Masayoshi Kimura, Eigo Kishita, Yusuke Nakagawa, Masayuki Hyogo, Akiyuki Takahashi, Takahisa Sawada
No abstract text is available yet for this article.
March 2017: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28398887/reconstructive-surgery-of-the-aortic-valve
#15
Mohammad Bashar Izzat
Reconstructive surgery of the aortic valve is a safe alternative to aortic valve replacement in many patients with aortic regurgitation, with satisfactory durability and an overall and cardiovascular survival advantage. It is also associated with higher rates of freedom from valve-related and anticoagulation-related events.
April 2, 2017: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/28398671/transcatheter-versus-surgical-aortic-valve-replacement-in-intermediate-risk-patients-evidence-from-a-meta-analysis
#16
Partha Sardar, Amartya Kundu, Saurav Chatterjee, Dmitriy N Feldman, Theophilus Owan, Nikolaos Kakouros, Ramez Nairooz, Linda A Pape, Ted Feldman, J Dawn Abbott, Sammy Elmariah
OBJECTIVES: We performed a meta-analysis to evaluate the efficacy and safety of transcatheter aortic valve replacement (TAVR) in comparison to surgical aortic valve replacement (SAVR) in intermediate-risk patients. BACKGROUND: TAVR is an established treatment option in high-risk patients with severe aortic valve stenosis (AS). There are fewer data regarding efficacy of TAVR in intermediate-risk patients. METHODS: Databases were searched through April 30, 2016 for studies that compared TAVR with SAVR for the treatment of intermediate-risk patients with severe AS...
April 11, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28398529/long-term-results-of-modified-sandwich-repair-of-aortic-root-in-151-patients-with-acute-type-a-aortic-dissection
#17
Yangfeng Tang, Zilin Liao, Lin Han, Hao Tang, Zhigang Song, Zhiyun Xu
OBJECTIVES: Acute type A aortic dissection frequently induces aortic root disease; however, the optimal surgical strategy for aortic root dissection remains a challenge. The objective of this study was to introduce a novel technique for reconstruction of type A dissection to improve patient prognosis. METHODS: We performed a retrospective review of 791 consecutive patients with acute type A aortic dissection between January 2003 and July 2015. Among these patients, 151 were selected (72% men, age 51...
April 6, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28396989/cardiac-surgery-2016-reviewed
#18
REVIEW
Torsten Doenst, Yasin Essa, Khalil Jacoub, Alexandros Moschovas, David Gonzalez-Lopez, Hristo Kirov, Mahmoud Diab, Steffen Bargenda, Gloria Faerber
For the year 2016, more than 20,000 published references can be found in Pubmed when entering the search term "cardiac surgery". Publications last year have helped to more clearly delineate the fields where classic surgery and modern interventional techniques overlap. The field of coronary bypass surgery (partially compared to percutaneous coronary intervention) was enriched by five large prospective randomized trials. The value of CABG for complex coronary disease was reconfirmed and for less complex main stem lesions, PCI was found potentially equal...
April 10, 2017: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/28394759/combined-mitro-aortic-pathology-impact-of-previous-aortic-valve-replacement-upon-outcomes-of-mitra-clip-therapy
#19
Giuseppe D'Ancona, Stephan Kische, Jochen Senges, Taoufik Ouarrak, Miriam Puls, Raffi Bekeredjian, Horst Sievert, Erdal Safak, Jasmin Ortak, Alper Öner, Wolfgang Schillinger, Hüseyin Ince
AIMS: To identify the impact of previous aortic valve replacement (AVR) in Mitra-Clip (MC) patients. METHODS AND RESULTS: Data from the German Transcatheter Mitral Valve Interventions (TRAMI) registry were analyzed in light of previous AVR by means of either standard AVR (SAVR) or transcatheter AVR (TAVR). Out of 791 MC, 68 (8.6%) had been submitted to AVR (68.4% SAVR and 31.6% TAVR). AVR group was significantly older (77.2±8.0 years vs. 75.1±8.6 years; p<0...
April 11, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28393705/antithrombotic-therapy-for-transcatheter-valvular-interventions-a-revisit
#20
Shaban Mohammed, Ayman El-Menyar, Haifa Al-Janubi, Adel Shabana, Zaid Alanazi
The optimal antithrombotic therapies for transcatheter aortic valve implantation (TAVI) and MitraClip implantation have not been well established. We conducted a narrative review from currently available studies between January 2002 and May 2016 to highlight the advantages and disadvantages of antithrombotic therapy use in cardiac catheter-based therapeutic techniques. Recently, these techniques have dramatically altered the approach towards valvular heart diseases management. The introduction into clinical practice, of TAVI for severe aortic stenosis and MitraClip for mitral regurgitation, has revolutionized interventional cardiology...
April 6, 2017: Current Vascular Pharmacology
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