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Prosthetic valve disease

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https://www.readbyqxmd.com/read/29339678/endarteritis-of-coarctation-of-the-aorta-diagnosed-with-pet-ct
#1
Ümit Yaşar Sinan, Burcu Dirlik Serim, Rukiye Yıldırım, Özge Çetinarslan, Mehmet Serdar Küçükoğlu
Infective endocarditis (IE) is an infectious disease that affects the endothelium of the large intrathoracic vessels, heart valves, and intra-cardiac foreign body material. A 20-year-old woman was admitted to the cardiology department with complaints of fever and palpitations. Transthoracic echocardiography revealed a bicuspid aortic valve, aortic root enlargement, and aortic coarctation. Transesophageal echocardiography revealed a bicuspid aortic valve, but there was no vegetation. Methicillin-sensitive Staphylococcus aureus was identified on a blood culture...
January 2018: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29335196/percutaneous-transcatheter-valve-in-valve-implantation-for-prosthetic-valve-disease-an-analysis-of-evolving-data-and-technology
#2
REVIEW
Brenda MacKnight, Daniel S Cormican, Pedro A Villablanca, Jens Fassl, Iván J Núñez Gil, Harish Ramakrishna
No abstract text is available yet for this article.
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29330034/successful-treatment-of-a-penicillin-intermediate-and-ceftriaxone-resistant-granulicatella-adiacens-presumed-prosthetic-valve-endocarditis-with-vancomycin
#3
Bruce M Jones, Roby M Hersey, Irwin J Trestman, Christopher M Bland
Advancements in rapid diagnostics have helped to identify nutritionally variant streptococci (NVS) as an increasing cause of infective endocarditis. This case report highlights the challenges in susceptibility testing and the importance of appropriate empiric treatment for Granulicatella adiacens, as well as considerations for future practice guideline recommendations. Guidelines for treatment of IE caused by NVS are currently limited to patients with native valve disease. We present a patient with presumed prosthetic valve endocarditis caused by Granulicatella adiacens, with clinically relevant resistance to recommended first-line agents (penicillin and ceftriaxone), who was successfully treated with 8 weeks of intravenous (IV) vancomycin...
January 9, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29327671/tissue-engineered-heart-valves-a-call-for-mechanistic-studies
#4
Kevin Blum, Joseph Drews, Christopher K Breuer
Heart valve disease carries a substantial risk of morbidity and mortality. Outcomes are significantly improved by valve replacement, but currently-available mechanical and biological replacement valves are associated with complications of their own. Mechanical valves have a high rate of thromboembolism and require lifelong anticoagulation. Biological prosthetic valves have a much shorter lifespan, and are prone to tearing and degradation. Both types of valves lack the capacity for growth, making them particularly problematic in pediatric patients...
January 12, 2018: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/29325812/transcatheter-mitral-valve-replacement-in-mitral-annulus-calcification-the-art-of-computer-simulation
#5
Júlia Karády, Ioannis Ntalas, Bernard Prendergast, Christopher Blauth, Steven Niederer, Pál Maurovich-Horvat, Ronak Rajani
There is considerable interest in transcatheter prosthetic valve treatment for mitral valve disease in high-risk individuals. Although the presence of mitral annular calcium (MAC) may provide an anchoring zone for such devices, results to date have been modest with reported technical failure rates approaching 30% in specialist centers. This in part relates to the risk of left ventricular outflow tract obstruction and device dislodgment but also to the lack of specific imaging guidelines to plan for such procedures...
January 4, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29317805/compression-of-the-right-coronary-artery-by-an-aortic-pseudoaneurysm-after-infective-endocarditis-an-unusual-case-of-myocardial-ischemia
#6
Juan Lacalzada-Almeida, Alejandro De la Rosa-Hernández, María Manuela Izquierdo-Gómez, Javier García-Niebla, Iván Hernández-Betancor, Juan Alfonso Bonilla-Arjona, Antonio Barragán-Acea, Ignacio Laynez-Cerdeña
A 61-year-old male with a prosthetic St Jude aortic valve size 24 presented with heart failure symptoms and minimal-effort angina. Eleven months earlier, the patient had undergone cardiac surgery because of an aortic root dilatation and bicuspid aortic valve with severe regurgitation secondary to infectious endocarditis by Coxiela burnetii and coronary artery disease in the left circumflex coronary artery. Then, a prosthesis valve and a saphenous bypass graft to the left circumflex coronary artery were placed...
2018: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29313791/dilemmas-in-dual-disease-complexity-and-futility-in-prosthetic-valve-endocarditis-and-substance-use-disorder
#7
James N Kirkpatrick, Jason W Smith
No abstract text is available yet for this article.
January 2018: American Journal of Bioethics: AJOB
https://www.readbyqxmd.com/read/29310727/errors-in-diagnosis-of-infective-endocarditis
#8
H R Naderi, F Sheybani, S S Erfani
Infective endocarditis (IE) is now the third or fourth most common life-threatening infectious disease. The high morbidity and mortality rates in the absence of appropriate care necessitate a thorough understanding of the obstacles towards the early diagnosis and management of IE. The aim of this study was to evaluate the frequency of discrepancy in diagnosis (i.e. discrepancy between the reason for admission and discharge diagnosis) and associated factors in patients with IE. It was a retrospective review of hospital records of all adult patients admitted in a 1000-bed academic general hospital in Mashhad, Iran with the discharge diagnosis of IE...
January 9, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29305610/flow-structure-interaction-simulations-of-the-aortic-heart-valve-at-physiologic-conditions-the-role-of-tissue-constitutive-model
#9
Anvar Gilmanov, Henryk Stolarski, Fotis Sotiropoulos
The blood flow patterns in the region around the aortic valve depend on the geometry of the aorta and on the complex flow-structure interaction between the pulsatile flow and the valve leaflets. Consequently, the flow depends strongly on the constitutive properties of the tissue, which can be expected to vary between healthy and diseased heart valves or native and prosthetic valves. In this work we seek to demonstrate the role of tissue constitutive model on aortic valve hemodynamics. We employ the Curvilinear Immersed Boundary - Finite Element - Fluid Structure Interaction (CURVIB-FE-FSI) method developed by Gilmanov et al...
January 5, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29302946/the-role-of-protein-z-and-protein-z-dependent-protease-inhibitor-polymorphisms-in-the-development-of-prosthetic-heart-valve-thrombosis
#10
Süleyman Karakoyun, Mustafa Ozan Gürsoy, Macit Kalçık, Mahmut Yesin, Sabahattin Gündüz, Mehmet Ali Astarcıoğlu, Zübeyde Bayram, Beytullah Çakal, Emrah Bayam, Mehmet Özkan
BACKGROUND: Protein Z (PZ) is a vitamin K-dependent factor that is synthesized mainly by the liver. It acts as an activator of serpin, the protein Z-dependent inhibitor (ZPI), which inhibits factor Xa. The potential role of alterations in protein Z and/or ZPI levels in the pathogenesis of thrombotic and/or hemorrhagic diseases has been previously investigated, but results have been conflicting. The study aim was to evaluate the role of PZ/ZPI polymorphisms in the development of prosthetic valve thrombosis (PVT)...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29302938/long-term-results-of-aortic-root-surgery-in-marfan-syndrome-patients-a-single-center-experience
#11
Francesco Nicolo, Francesco Romeo, Antonio Lio, Emanuele Bovio, Antonio Scafuri, Carlo Bassano, Patrizio Polisca, Antonio Pellegrino, Paolo Nardi, Luigi Chiariello, Giovanni Ruvolo
BACKGROUND: The study aim was to compare long-term results of Marfan syndrome (MFS) patients affected by aortic root disease undergoing aortic root replacement with the Bentall or David operation. METHODS: Since 1994, a total of 59 patients has been followed at the authors' Marfan Center, having undergone either a Bentall operation (Bentall group, n = 30) or a David operation (David group, n = 29). RESULTS: No operative mortality was recorded...
July 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29284450/cardiovascular-magnetic-resonance-in-the-evaluation-of-heart-valve-disease
#12
REVIEW
G S Gulsin, A Singh, G P McCann
BACKGROUND: Over the last 25 years, cardiovascular magnetic resonance imaging (CMR) has emerged as an alternative to echocardiography for assessment of valvular heart disease (VHD). Although echo remains the first-line imaging modality for the assessment of patients with VHD, CMR can now provide a comprehensive assessment in many instances. Using a combination of techniques, CMR provides information on valve anatomy and enables quantitative analysis of the severity of the valve lesion...
December 29, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/29277931/percutaneous-pulmonary-valve-implantation-in-grown-up-congenital-heart-disease-patients-insights-from-the-zurich-experience
#13
Luca Oechslin, Roberto Corti, Matthias Greutmann, Oliver Kretschmar, Oliver Gaemperli
OBJECTIVES: The aim of the study was to assess indications, procedural success, complications, echocardiographic, and clinical outcomes of percutaneous pulmonary valve implantation (PPVI) in adult patients with congenital heart disease (CHD). BACKGROUND: PPVI offers a non-surgical treatment option for failing prosthetic conduits in pulmonary position. However, efficacy and clinical outcomes after PPVI are still underreported. METHODS: From January 2008 to March 2016, 25 adult CHD patients with right ventricular outflow tract (RVOT) stenosis and/or pulmonary regurgitation underwent PPVI in our institution...
December 25, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29244073/incidence-of-infective-endocarditis-among-patients-considered-at-high-risk
#14
Lauge Østergaard, Nana Valeur, Nikolaj Ihlemann, Henning Bundgaard, Gunnar Gislason, Christian Torp-Pedersen, Niels Eske Bruun, Lars Søndergaard, Lars Køber, Emil Loldrup Fosbøl
Aims: Patients with prior infective endocarditis (IE), a prosthetic heart valve, or a cyanotic congenital heart disease (CHD) are considered to be at high risk of IE by guidelines. However, knowledge is sparse on the relative risk of IE between these three groups and compared controls. Methods and results: Using Danish nationwide registries (1996-2015), we identified all patients with prior IE, a prosthetic heart valve, or a complex CHD (defined as tetralogy of Fallot, truncus arteriosus, and transposition of great arteries) as well as matched control populations...
December 12, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29232248/endocarditis-in-the-setting-of-idu-multidisciplinary-management
#15
Bobby Yanagawa, Anees Bahji, Wiplove Lamba, Darrell H Tan, Asim Cheema, Ishba Syed, Subodh Verma
PURPOSE OF REVIEW: The purpose of this article is to provide a brief overview of the medical and surgical management of infective endocarditis secondary to IDU, with a focus on the underlying substance use disorder. RECENT FINDINGS: Patients with infective endocarditis secondary to IDU are often young with unique comorbidities including mental illness, chronic hepatitis C, HIV infection, which are often compounded by limited social and familial supports. The focus of management has been treatment of endocarditis using IV antibiotics alongside surgery...
December 11, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29225266/a-case-of-aortic-regurgitation-presenting-with-recurrent-detachment-of-a-prosthetic-valve-as-the-first-presenting-symptom-of-cardiovascular-beh%C3%A3-et-s-disease
#16
Tsugumi Takayama, Takuya Ozawa, Akiko Sanada, Tohru Watanabe, Masahiro Ito, Satoru Hirono, Yoshifusa Aizawa, Tohru Minamino
A 33-year-old man with severe aortic regurgitation underwent initial aortic valve replacement (AVR). During the 2 years after AVR, 3 reoperations for prosthetic valve detachment were required. During hospitalization, he had no typical clinical findings, with the exception of a persistent inflammatory reaction; a pseudo-aneurysm around the Bentall graft developed 27 days after the 4th operation. This unique clinical course suggested the possibility of Behçet's disease. In the 8 years of follow-up after the administration of prednisolone, the pseudo-aneurysm did not become enlarged and the detachment of the prosthetic valve was not observed...
December 8, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29206693/long-term-results-of-suture-annuloplasty-for-degenerative-mitral-valve-disease-a-propensity-matched-analysis
#17
Andrea Garatti, Alberto Canziani, Alessandro Parolari, Serenella Castelvecchio, Marco Guazzi, Andrea Daprati, Ali Abu Farah, Francesco Grimaldi, Sonia Tripepi, Lorenzo Menicanti
AIMS: Ring annuloplasty is the gold standard of surgical repair in degenerative mitral valve disease. However, prosthetic annuloplasty has some drawbacks and potential hazards. Suture annuloplasty theoretically is able to preserve annular leaflet dynamics and left ventricular performance, but experience is limited. The aim of the study was to review the early and long-term outcome of the posterior double-suture annuloplasty (DSA) technique for degenerative mitral valve repair. METHODS: From January 2002 to December 2008, 400 patients underwent primary mitral valve repair for degenerative disease either with posterior DSA [n = 147 (37%)] or with flexible posterior annuloplasty band [n = 253 (63%)]...
January 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29186533/surgical-treatment-for-isolated-mitral-valve-endocarditis-a-16-year-single-centre-experience
#18
Sossio Perrotta, Victoria Fröjd, Vincenzo Lepore, Henrik Schersten, Anders Jeppsson, Gunnar Svensson
OBJECTIVES: Despite progress in management, mitral valve endocarditis (MVE) is still a life-threatening disease. We report our experience in surgical treatment of infective isolated MVE. METHODS: A total of 140 operations in 128 patients for MVE performed between January 2000 and December 2015 were included in a retrospective study. There were 109 (78%) operations for native and 31 (22%) operations for prosthetic valve endocarditis. Preoperative and postoperative characteristics and mortality of patients were registered...
November 27, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29173672/acute-valvular-heart-disease
#19
REVIEW
Varun Maheshwari, Brian Barr, Mukta Srivastava
Valvular heart disease (VHD) is a common clinical entity. Recognition of decompensated VHD is crucial to instituting appropriate workup and management. Initial evaluation focuses on hemodynamics, peripheral perfusion, volume overload, and active myocardial ischemia. Initial therapy is targeted at improving hemodynamics, fluid status, and decreasing myocardial ischemia before intervention. Echocardiography can rapidly identify VHD etiology and severity along with physical examination findings. Owing to improved survival with cardiac surgery over the past several decades, prosthetic valve dysfunction should be recognized and initial treatment understood...
February 2018: Cardiology Clinics
https://www.readbyqxmd.com/read/29166536/clinical-investigation-of-left-ventricular-pacing-using-coronary-sinus-in-patients-with-mechanical-prosthetic-tricuspid-valve-replacement
#20
Kelan Zha, Kaijun Cui, Xingbin Liu, Yuan Fang
BACKGROUND: Although transvenous right ventricular (RV) endocardial lead placement is routine practice in clinical pacing, RV inaccessibility in certain clinical situations mandates the search for other sites. HYPOTHESIS: This study is aimed to verify whether left ventricular lead through coronary sinus is safe and efficient. METHODS: Based on a retrospective analysis of a single-center series of 4 patients with inaccessibility for RV pacing, we report on the feasibility and reliability of coronary sinus (CS) pacing via left ventricular (LV) lead, which usually is used in cardiac resynchronization therapy...
November 22, 2017: Clinical Cardiology
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