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Prosthetic Valve

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https://www.readbyqxmd.com/read/29777481/positron-emission-tomography-for-diagnosis-of-prosthetic-valve-endocarditis
#1
Vidhu Anand, Panithaya Chareonthaitawee, Martin Rodriguez-Porcel
No abstract text is available yet for this article.
May 18, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29764874/resuming-anticoagulants-after-anticoagulation-associated-intracranial-haemorrhage-systematic-review-and-meta-analysis
#2
Zien Zhou, Jie Yu, Cheryl Carcel, Candice Delcourt, Jiehui Shan, Richard I Lindley, Bruce Neal, Craig S Anderson, Maree L Hackett
OBJECTIVE: To determine the adverse outcomes following resumption of anticoagulation in patients with anticoagulation-associated intracranial haemorrhage (ICH). DESIGN: We performed a systematic review and meta-analysis in this clinical population. The Preferred Reporting Items for Systemic Reviews and Meta-Analyses statement was followed, and two authors independently assessed eligibility of all retrieved studies and extracted data. DATA SOURCES: Medline, Embase and the Cochrane Central Register of Controlled Trials, from inception to February 2017...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29764833/early-prosthetic-valve-endocarditis-after-transcatheter-aortic-valve-implantation-using-st-jude-medical-portico-valve
#3
Abdalla Ibrahim, Aneeq Ahmed, Thomas Kiernan, Samer Arnous
An 87-year-old woman presented to the emergency department with a 2-week history of progressively worsening shortness of breath, fever and generalised myalgia. She underwent a transcatheter Portico aortic valve implantation for severe symptomatic aortic stenosis 3 months prior to this presentation. Examination revealed a temperature of 40°C and a systolic murmur in the aortic area. Inflammatory markers were elevated, and blood cultures were positive for methicillin-sensitive Staphylococcus aureus A possible diagnosis of infective endocarditis was made as one major and one minor criterion in the modified Duke criteria were fulfilled...
May 14, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29759854/a-meta-analysis-of-reduced-leaflet-motion-for-surgical-and-transcatheter-aortic-valves-relationship-to-cerebrovascular-events-and-valve-degeneration
#4
Nader Makki, Satya Shreenivas, Dean Kereiakes, Scott Lilly
BACKGROUND: Reduced leaflet motion (RLM) of transcatheter aortic valves (TAV) is observed in up to 4% of cases with similar frequency in surgical valves, with an overall incidence that differs based on prosthesis type and size. This phenomenon likely represents subclinical leaflet thrombosis. Herein we sought to analyze the existing reported literature to assess whether or not RLM is associated with subsequent valve degeneration or cerebrovascular events. METHODS AND RESULTS: We searched PubMed, and EMBASE (2008-2017) to identify relevant studies...
April 5, 2018: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29752197/panophthalmitis-caused-by-streptococcus-dysgalactiae-subsp-equisimilis-a-case-report-and-literature-review
#5
Hideharu Hagiya, Takuya Semba, Takeshi Morimoto, Norihisa Yamamoto, Hisao Yoshida, Kazunori Tomono
Lancefield group G β-hemolytic Streptococcus dysgalactiae subspecies equisimilis (SDSE) has become a leading causative pathogen of invasive streptococcal infection. In this report, we describe a case of disseminated SDSE infection complicated by endogenous endophthalmitis, resulting in panophthalmitis and blindness. A 65-year-old man who underwent mitral valve replacement surgery two months previously was hospitalized due to high fever and right visual loss. A systemic investigation revealed endophthalmitis complicated by mediastinal abscess, prosthetic infective endocarditis, cerebral emboli and hemorrhage, and multiple arthritis...
May 8, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29750406/aortic-valve-annuloplasty-with-the-haart-geometric-ring-and-ascending-aorta-replacement
#6
Marek Jasinski, Scott Rankin
Approximately one-third of patients suffering from aortic insufficiency (AI) present also with an ascending aortic aneurysm. AI is most commonly due to a combination of sinotubular junction and annular dilatation. Valve reimplantation or prosthetic valve replacement may not be ideal for these patients, and ascending aortic aneurysm resection with aortic valve repair using geometric internal ring annuloplasty is a simple, successful, and reproducible alternative treatment approach. In this video tutorial we demonstrate aortic valve repair using the HAART 300 annuloplasty ring with concomitant ascending aorta replacement...
May 2, 2018: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/29749108/biomaterial-characterization-of-off-the-shelf-decellularized-porcine-pericardial-tissue-for-use-in-prosthetic-valvular-applications
#7
Joshua A Choe, Soumen Jana, Brandon J Tefft, Ryan S Hennessy, Jason Go, David Morse, Amir Lerman, Melissa D Young
Fixed pericardial tissue is commonly used for commercially available xenograft valve implants, and has proven durability, but lacks the capability to remodel and grow. Decellularized porcine pericardial tissue has the promise to outperform fixed tissue and remodel, but the decellularization process has been shown to damage the collagen structure and reduce mechanical integrity of the tissue. Therefore, a comparison of uniaxial tensile properties was performed on decellularized, decellularized-sterilized, fixed, and native porcine pericardial tissue, versus native valve leaflet cusps...
May 10, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29741488/long-term-durability-and-hemodynamic-performance-of-a-self-expanding-transcatheter-heart-valve-beyond-5-years-after-implantation-a-prospective-observational-study-applying-the-standardized-definitions-of-structural-deterioration-and-valve-failure
#8
Erik W Holy, Julia Kebernik, Mohammad Abdelghani, Simon F Stämpfli, Jens Hellermann, Abdelhakim Allali, Mohamed El-Mawardy, Susanne Sachse, Thomas F Lüscher, Felix C Tanner, Gert Richardt, Mohamed Abdel-Wahab
AIMS: Long-term results of transcatheter aortic valve implantation (TAVI), in particular the incidence of bioprosthetic valve failure (BVF), are uncertain. METHODS AND RESULTS: The study prospectively included all 152 patients who had undergone TAVI with the self-expanding CoreValve™ up to December 2011 at the Heart Center, Bad Segeberg, Germany. Late BVF (>30 days) was defined as either: 1) Severe structural valve deterioration (trans-prosthetic mean pressure gradient ≥40 mmHg and/or ≥20 mmHg rise from baseline OR severe intra-prosthetic aortic regurgitation), OR 2) Bioprosthetic valve dysfunction leading to death or re-intervention...
May 8, 2018: EuroIntervention
https://www.readbyqxmd.com/read/29739021/prognosis-of-transcatheter-closure-compared-with-surgical-repair-of-paravalvular-leak-after-prosthetic-valve-replacement-a-retrospective-comparison
#9
Chun Yang, Yang Liu, Jiayou Tang, Ping Jin, Lanlan Li, Shiqiang Yu, Jian Yang
OBJECTIVE:  Paravalvular leak (PVL) after valve replacement remains clinically challenging. Percutaneous closure is an effective therapy for patients with PVLs because reoperation is associated with high rates of morbidity and mortality. The purpose of this study was to retrospectively compare the clinical outcome of transcatheter closure and surgical repair in patients with a PVL. METHODS:  From January 2000 to May 2016, 131 patients with PVL were treated at three major medical centers in China...
May 8, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29733328/valve-repair-for-tricuspid-papillary-muscle-rupture-late-after-percutaneous-coronary-intervention
#10
Shinji Kanemitsu, Shunsuke Sakamoto, Naoki Yamamoto, Hideto Shimpo
Papillary muscle rupture is a rare complication after myocardial infarction. Almost all cases occur in the papillary muscle of the mitral valve. The development of tricuspid regurgitation after right ventricular myocardial infarction caused by papillary muscle rupture is extremely rare. We present a 70-year-old man with massive tricuspid regurgitation caused by papillary muscle rupture after percutaneous coronary intervention to the right coronary artery involving a stent. We performed tricuspid valve repair with a reimplanted papillary muscle in situ using neither artificial chordae nor a prosthetic valve...
May 3, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29731051/a-70-year-old-woman-with-a-prosthetic-mitral-valve-and-sudden-chest-pain
#11
María José Romero-Castro, Tania Seoane-García, Marinela Chaparro-Muñoz, Rafael García-Borbolla, Juan C García-Rubira
A 70-year-old woman presented to the ED with oppressive ongoing chest pain that had lasted for 1 hour and was accompanied by intense sweating. The patient had a previous history of bronchial asthma, severe degenerative mitral regurgitation, and an ostium secundum atrial septal defect that had been treated 6 years ago with a prosthetic mechanical mitral valve, Bicarbon 25, and an atrial septal defect closure. She was being treated with ciclesonide, tiotropium bromide, olodaterol, theophylline, and warfarin, adjusted according to the international normalized ratio...
May 2018: Chest
https://www.readbyqxmd.com/read/29727379/severe-liver-failure-rather-than-cirrhosis-is-associated-with-mortality-in-patients-with-infectious-endocarditis-a-retrospective-case-control-study
#12
Manon Allaire, Jean-François D Cadranel, Christophe Bureau, Salah Zerkly, Thierry Thévenot, Armand Garioud, Patrice Cacoub, Gilles Macaigne, Laurent Alric, Vincent Jouannaud, Hortensia Lison, Carine Chagneau-Derrode, Alexandre Pariente, Agne Combining Grave Accent S Pe Combining Acute Accent Laquier, Marc Bourlie Combining Grave Accent Re, Xavier Causse, Jean-Baptiste Nousbaum, Je Combining Acute Accent Rôme Dumortier, Alexandre Louvet, Isabelle Rosa-He Combining Acute Accent Zode, Nathalie Ganne-Carrie Combining Acute Accent, Ryme Chentouh, Anis Sfaxi, Je Combining Acute Accent Rome Gournay, He Combining Acute Accent le Combining Grave Accent Ne Blasco-Perrin, Teresa Antonini, Laurent Spahr, Jean-Pierre Bronowicki, Christine Silvain, Vincent Di Martino, Jean-Didier Grange, Jacques Denis, Karine Dupont, Pierre Iaria, Isabelle Ollivier-Hourmand, Thong Dao
BACKGROUND: Data on infectious endocarditis (IE) in patients with liver cirrhosis (LC) are sparse. We aimed to describe the characteristics and predictors of mortality from IE in patients with LC. PATIENTS AND METHODS: Overall, 101 patients with LC and 101 controls with IE matched for sex, age, date of IE, and diabetes were retrospectively selected in 23 liver units between 2000 and 2013. RESULTS: Mean age was 60.8±10.5 and 60.6±11.5 years in LC and controls, respectively...
May 3, 2018: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29726931/comparable-perioperative-outcomes-and-mid-term-survival-in-prosthetic-valve-endocarditis-and-native-valve-endocarditis
#13
Makoto Mori, Kayoko Shioda, Max Jordan Nguemeni Tiako, Syed Usman Bin Mahmood, Abeel A Mangi, James J Yun, Umer Darr, Philip Yi Kit Pang, Arnar Geirsson
OBJECTIVES: Cardiac surgery for prosthetic valve endocarditis (PVE) represents one of the highest risk surgeries with in-hospital mortality of 20%. Given the complex nature of the operation, the operative outcome is likely strongly susceptible to the surgeon's experience and centre case volume, as measurements often are not apparent in large observational studies. We sought to evaluate operative outcomes and mid-term survival of patients with PVE compared with those of native valve endocarditis (NVE) at a tertiary care hospital...
May 2, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29726041/reoperation-for-composite-valve-graft-failure-operative-results-and-midterm-survival
#14
Luis C Maroto, Manuel Carnero, Javier Cobiella, Mónica García, Isidre Vilacosta, Fernando Reguillo, Enrique Villagrán, Carmen Olmos
BACKGROUND AND AIM OF THE STUDY: The replacement of a failed composite valve graft is technically more demanding and is associated with increased morbidity and mortality. We present our technique and outcomes for reoperations for composite graft failures. METHODS: Between September 2011 and June 2017, 14 patients underwent a redo composite graft replacement. Twelve patients (85.7%) were male, and mean age was 58.4 years ± 12 standard deviation (SD). One patient had two previous root replacements...
May 3, 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29726029/near-complete-aortic-mechanical-valve-dehiscence-due-to-endocarditis-reinfection
#15
Neal S Gerstein, Castigliano M Bhamidipati, Peter M Schulman
Prosthetic valve infective endocarditis (IE) is one of the most serious postimplantation complications. Prosthetic aortic valve IE constitutes 1%-6% of all prosthetic valve IE cases. We present a dramatic echocardiographic case of prosthetic aortic valve IE leading to near-complete valve dehiscence. Echocardiographic evidence of prosthetic aortic valve rocking motion is indicative of significant dehiscence. Aside from IE, other causes and risk factors for prosthetic aortic valve dehiscence include inflammatory and autoimmune vasculitides, concomitant ascending aorta aneurysm, and aortic root calcification...
May 3, 2018: Echocardiography
https://www.readbyqxmd.com/read/29724567/infective-endocarditis-after-percutaneous-pulmonary-valve-implantation-a-long-term-single-centre-experience
#16
Daniel Tanase, Peter Ewert, Alfred Hager, Stanimir Georgiev, Julie Cleuziou, John Hess, Andreas Eicken
BACKGROUND: Patients with congenital cardiovascular disease involving the right ventricular outflow tract and with prosthetic valves in the heart are at high risk for developing infective endocarditis (IE). Recently, there has been concern about relatively high rates of IE after percutaneous pulmonary valve implantation (PPVI). Although there are factors specific to percutaneous valves that could plausibly contribute to the risk of IE, including procedural steps prior to implantation such as crimping the valved stent or mechanical forces during dilation, little is known about actual risk factors for this complication...
April 22, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29716704/clinical-microbiological-characterization-and-risk-factors-of-mortality-in-infective-endocarditis-from-a-tertiary-care-academic-hospital-in-southern-india
#17
Prasanna Subbaraju, Shipra Rai, Jwalit Morakhia, Geet Midha, Asha Kamath, Kavitha Saravu
AIMS: To dissect the clinical-microbiological profile of Infective endocarditis (IE) population and to determine the risk factors for IE related mortality. METHODS: A cohort study was conducted using relevant data from clinical records of patients (≥12years) with definite/possible IE from December 2007 to December 2013 and was analyzed using appropriate statistical tests. RESULTS: In the cohort of 139 IE patients, mean age was 47.9±15.8years, with male preponderance (68...
March 2018: Indian Heart Journal
https://www.readbyqxmd.com/read/29713288/3d-fluid-structure-interaction-simulation-of-aortic-valves-using-a-unified-continuum-ale-fem-model
#18
Jeannette H Spühler, Johan Jansson, Niclas Jansson, Johan Hoffman
Due to advances in medical imaging, computational fluid dynamics algorithms and high performance computing, computer simulation is developing into an important tool for understanding the relationship between cardiovascular diseases and intraventricular blood flow. The field of cardiac flow simulation is challenging and highly interdisciplinary. We apply a computational framework for automated solutions of partial differential equations using Finite Element Methods where any mathematical description directly can be translated to code...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29701398/trauma-an-unusual-cause-of-endocarditis
#19
Ana Braga, Marta Marques, Miguel Abecacis, José Pedro Neves
INTRODUCTION: Infective endocarditis (IE) remains a dangerous condition with considerable associated mortality. Usual risk factors for IE include the presence of a prosthetic heart valve, structural or congenital heart disease, intravenous drug use, and a recent history of invasive procedures. METHODS: The authors describe the case report of a patient with IE having trauma as an unusual risk factor. RESULTS: A 33-year old male patient was referred to our department due to infective endocarditis...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701394/ascending-aorta-aneyrysms-over-70mm
#20
Jorge Pinheiro Santos, Álvaro Laranjeira, António Cruz Tomás, Daniela Varela-Afonso, José Fragata
INTRODUCTION: Current guidelines suggest that patients with aortic diameter over 55-60 mm should undergo ascending aorta replacement, depending on associated valve pathology and other comorbidities. Studies show that the risk of aortic rupture over 60 mm is over 30%. Even though, we still receive in our practice patients that present with aneurysms of greater dimensions. The aim of our study is to evaluate the surgical outcomes of patients presenting with ascending aorta with diameter larger than 70 mm...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
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