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Valve thrombosis

Laith Alshawabkeh, Katherine E Economy, Anne Marie Valente
Pregnancy is associated with a hypercoagulable state. Women requiring anticoagulation need careful attention throughout pregnancy and the post-partum period. The choice of anticoagulant therapy, the degree of monitoring, and the therapeutic target should be modulated by balancing the risks and the benefits to the mother and fetus. Many of the available anticoagulant agents may be used safely in pregnancy, but they are disadvantaged by competing efficacy and risks to the mother and fetus. For example, vitamin K antagonists are the most efficacious for preventing mechanical valve thrombosis, but they pose risks to the fetus...
October 18, 2016: Journal of the American College of Cardiology
Jason Misurac
Neonatal chronic kidney disease (CKD) occurs with an estimated incidence of 1 in 10,000 live births, whereas the incidence of neonatal end-stage renal disease (ESRD) is about 7.1 per million age-related population. The most frequent etiologies are renal hypoplasia/dysplasia, posterior urethral valves, and other congenital anomalies of the kidney and urinary tract. Other etiologies include polycystic kidney disease, cortical necrosis, and renal vascular thrombosis. Management of CKD focuses primarily on replacing renal functions such as erythropoietin, 1,25-hydroxylation of vitamin D, electrolyte homeostasis/excretion, and, in ESRD, waste product removal...
October 9, 2016: Seminars in Fetal & Neonatal Medicine
Abhijit Trailokya, J S Hiremath, Jps Sawhney, Y K Mishra, Vivek Kanhere, R Srinivasa, Mangesh Tiwaskar
Anticoagulant treatment is required for the treatment and prevention of thromboembolic disorders. Vitamin K antagonists are commonly used oral anticoagulants worldwide. Acenocoumarol is mono-coumarin derivative with racemic mixture of R (+) and S (-) enantiomers. Efficacy and safety of acenocoumarol has been evaluated in atrial fibrillation, cardiac valve replacement, after myocardial infarction, treatment of deep vein thrombosis, after major surgeries and after critical illness requiring prolonged hospitalization...
February 2016: Journal of the Association of Physicians of India
B S Sukovatykh, L N Belikov, M B Sukovatykh, D V Sidorov, M A Inarkhov, E B Inokhodova
AIM: to improve treatment of patients with severe atherosclerotic lesion of lower extremities arteries followed by critical ischemia by optimization of femoropopliteal bypass surgery. MATERIAL AND METHODS: Treament and survey of 60 patients with severe atherosclerotic lesion of femoropopliteotibial segment and critical lower limb ischemia were analyzed. Patients were divided into 2 groups depending on technique of femoropopliteal bypass. Conventional in situ autovenous technique was used in group 1...
2016: Khirurgiia
Ozan Ünlü, Stephane Zuily, Doruk Erkan
Antiphospholipid syndrome (APS) is the association of thrombosis and/or pregnancy morbidity with antiphospholipid antibodies (aPL). Thirty to forty percent of systemic lupus erythematosus (SLE) patients are tested positive for aPL, which may have an impact on the SLE presentation, management, and prognosis. Compared with SLE patients without aPL, those with aPL have a higher prevalence of thrombosis, pregnancy morbidity, valve disease, pulmonary hypertension, livedo reticularis, thrombocytopenia, hemolytic anemia, acute/chronic renal vascular lesions, and moderate/severe cognitive impairment; worse quality of life; and higher risk of organ damage...
June 2016: Eur J Rheumatol
Sergio Moral, Juli Carballo, Esther Ballesteros, Alejandro Panaro, Arturo Evangelista
No abstract text is available yet for this article.
October 1, 2016: Revista Española de Cardiología
Seung-Kee Min, Young Hwan Kim, Jin Hyun Joh, Jin Mo Kang, Ui Jun Park, Hyung-Kee Kim, Jeong-Hwan Chang, Sang Jun Park, Jang Yong Kim, Jae Ik Bae, Sun Young Choi, Chang Won Kim, Sung Il Park, Nam Yeol Yim, Yong Sun Jeon, Hyun-Ki Yoon, Ki Hyuk Park
Lower extremity deep vein thrombosis is a serious medical condition that can result in death or major disability due to pulmonary embolism or post-thrombotic syndrome. Appropriate diagnosis and treatment are required to improve symptoms and salvage the affected limb. Early thrombus clearance rapidly resolves symptoms related to venous obstruction, restores valve function and reduces the incidence of post-thrombotic syndrome. Recently, endovascular treatment has been established as a standard method for early thrombus removal...
September 2016: Vascular Specialist International
Borge G Nordestgaard, Anne Langsted
Human epidemiologic and genetic evidence using the Mendelian randomization approach in large-scale studies now strongly support that elevated lipoprotein(a) (Lp(a)) is a causal risk factor for cardiovascular disease, that is, for myocardial infarction, atherosclerotic stenosis, and aortic valve stenosis. The Mendelian randomization approach used to infer causality is generally not affected by confounding and reverse causation, the major problems of observational epidemiology. This approach is particularly valuable to study causality of Lp(a), as single genetic variants exist that explain 27-28% of all variation in plasma Lp(a)...
September 27, 2016: Journal of Lipid Research
Ahmet Yigit Goktay, Cagin Senturk
Deep venous thrombosis (DVT) is a common disorder with a significant mortality rate. Successful endovascular treatment of acute DVT is most likely to be achieved in patients with recently formed thrombus, (<10-14 days) with acute iliofemoral DVT. Endovascular treatment options include: Catheter-directed thrombolysis (CDT), pharmacomechanical catheter-directed thrombolysis (PCDT), percutaneous aspiration thrombectomy (PAT), vena cava filter protection, venous balloon dilatation and venous stent implantation...
September 24, 2016: Advances in Experimental Medicine and Biology
Andreas Vötsch, Wolfgang Weihs, Martin Asslaber, Otto Dapunt
Until now, to our knowledge no case of bioprosthetic valvular thrombosis after implantation of the sutureless Sorin Perceval valve has been reported. Although sutureless aortic valve replacement has become a powerful tool in our daily practice, recent guidelines from the European Society of Cardiology, the European Association for Cardio-Thoracic Surgery, the American College of Cardiology, and the American Heart Association do not give specific recommendations on postoperative anticoagulation therapy. We report the first case of valve dysfunction resulting from thrombosis 12 months after implantation with a possible link to postoperative cortisole therapy...
October 2016: Annals of Thoracic Surgery
Niv Ad
No abstract text is available yet for this article.
October 2016: Journal of Thoracic and Cardiovascular Surgery
Clifford W Barlow
No abstract text is available yet for this article.
October 2016: Journal of Thoracic and Cardiovascular Surgery
Tarun Chakravarty, Yigal Abramowitz, Hasan Jilaihawi, Raj R Makkar
Symptomatic transcatheter heart valve (THV) thrombosis is noted in up to 1% of patients after transcatheter aortic valve replacement. Recently, hypoattenuated leaflet thickening and reduced leaflet motion of bioprosthetic aortic valves associated with normal transvalvular gradients (and possibly related to subclinical leaflet thrombosis) have been reported. While trans-thoracic echocardiography is a useful initial screening imaging modality for the detection of symptomatic THV thrombosis associated with elevated transvalvular gradients, it has limited utility in the detection of subclinical THV thrombosis...
September 18, 2016: EuroIntervention
Philip Dueppers, Klaus Grabitz, You Li, Hubert Schelzig, Markus Udo Wagenhäuser, Mansur Duran
BACKGROUND: The risk of deep venous thrombosis is elevated during pregnancy and the puerperium. Therapy is usually limited to conservative measures as invasive thrombus removal is feared because of possible complications. However, leg- or life-threatening situations require fast thrombus removal, and the long-term rate of post-thrombotic syndrome (PTS) may be reduced by venous recanalization. Our center's experience may give support to surgical venous thrombectomy (VT). METHODS: Between 1996 and 2016, all women who received VT for pregnancy-related deep venous thrombosis in our department were included...
October 2016: Journal of Vascular Surgery. Venous and Lymphatic Disorders
Efthymios D Avgerinos, Omar El-Shazly, Geetha Jeyabalan, George Al-Khoury, Eric Hager, Michael J Singh, Michel S Makaroun, Rabih A Chaer
BACKGROUND: Inferior vena cava (IVC) thrombosis may occur in patients with iliofemoral deep venous thrombosis (DVT), and its impact on thrombolysis outcomes is poorly defined. This study compared outcomes of patients undergoing thrombolysis for acute iliofemoral DVT with and without IVC involvement. METHODS: Patients who underwent thrombolysis for iliofemoral DVT between May 2007 and March 2014 were identified from a prospectively maintained database and divided into two groups: those with IVC involvement and those without...
October 2016: Journal of Vascular Surgery. Venous and Lymphatic Disorders
Ana Redondo Palacios, José López Menéndez, Javier Miguelena Hycka, Miren Martín García, Laura Varela Barca, Andrea Ferreiro Marzal, Rafael Muñoz Pérez, Enrique Oliva De Anquín, Ignacio García Andrade, Tomasa Centella Hernández, Daniel Celemín Canorea, Jorge Rodríguez-Roda Stuart
BACKGROUND: Nowadays, Tricuspid valve replacement (TVR) is much less common than aortic or mitral valve replacement, since repair is almost always preferable. Prosthetic tricuspid valves are associated with high mortality and morbidity, mostly due to thrombotic or hemorrhagic events. Nevertheless, there is lack of evidence of which is the optimal type of valve (biological versus mechanical) in tricuspid position. METHODS: We analysed all the patients who underwent TVR in our Institution, from 2005 to 2015...
September 16, 2016: Journal of Cardiovascular Surgery
Riccardo Cappato, Robert Welsh
The vast clinical research programme for the direct, oral factor Xa inhibitor rivaroxaban has generated a wealth of data since the first rivaroxaban approval in 2008 for the prevention of venous thromboembolism (VTE) in patients undergoing elective hip or knee replacement surgery. While rivaroxaban is widely used across a spectrum of seven indications, there is continuous commitment to investigating its wider benefits in new indications and attempts to refine current evidence. Key data from recently completed randomised controlled trials (RCTs) have shown that rivaroxaban is a feasible anticoagulation option for patients with non-valvular atrial fibrillation (NVAF) undergoing cardioversion or catheter ablation...
September 28, 2016: Thrombosis and Haemostasis
Andrew K Roy, Jerome Garot, Antoinette Neylon, Marco Spaziano, Fadi J Sawaya, Thierry Lefèvre
Progressive dyspnea and hypoxaemia in the subacute phase after transcatheter aortic valve implantation (TAVI) are uncommon and warrant immediate assessment of valve and prosthesis leaflet function to exclude thrombosis, as well as investigation for other causes related to the procedure, such as left ventricular dysfunction, pulmonary embolism, and respiratory sepsis. In this case, we report the observation of a patient presenting two weeks after TAVI with arterial hypoxaemia in an upright position, relieved by lying flat, and coupled with an intracardiac shunt detected on echocardiography in the absence of pulmonary hypertension, raising the suspicion of Platypnea-Orthodeoxia Syndrome (POS)...
2016: Case Reports in Cardiology
Anair Beverly, Ethan Y Brovman, Raymond J Malapero, Robert W Lekowski, Richard D Urman
OBJECTIVES: To determine the incidence, timing, risk factors for, and outcomes after unplanned reintubation following cardiac surgery in adults. DESIGN: Retrospective analysis of admission data from the American College of Surgeons National Surgical Quality Improvement Project Database, 2007-2013, inclusive. Univariate and multivariate analyses of risk factors and outcomes. PARTICIPANTS: A total of 18,571 patients, over 18 years of age, undergoing cardiac surgery...
May 21, 2016: Journal of Cardiothoracic and Vascular Anesthesia
X J Duan, H Y Wang, J P Xu, L Li, H Y Xu, Q Z Wang
OBJECTIVE: To investigate the pathological changes and related factors leading to failure of bioprosthetic valves. METHODS: The surgical explanted bioprosthetic valves in Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College from January 2006 to December 2014 were retrospectively reviewed. Calcification, cusp tears, pannus and infectious endocarditis of bioprosthetic valves were evaluated by gross examination, X ray photography and histopathological analysis...
September 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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