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https://www.readbyqxmd.com/read/28081513/thrombosis-of-a-mechanical-prosthetic-aortic-valve-in-early-pregnancy-histopathological-findings
#1
Roman Scheidmann, Rudi Foth, Matthias Sigler
We present results of the histopathological workup of a prosthetic aortic valve which was explanted from a 31-year-old woman due to valve thrombosis during early pregnancy. Our images demonstrate nicely thrombotic material directly adherent to the pyrolytic carbon surface in a human specimen.
January 2, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28079630/18f-fluorodeoxyglucose-positron-emission-tomography-and-infectious-diseases-current-applications-and-future-perspectives
#2
Matteo Bassetti, Alessia Carnelutti, Daniele Muser, Elda Righi, Nicola Petrosillo, Fernando Di Gregorio, Thomas J Werner, Abass Alavi
PURPOSE OF REVIEW: 18F-Fluorodeoxyglucose positron emission tomography/computed tomography is a well-established technique for diagnosis and management of a number of neoplastic conditions. However, in recent years the body of literature regarding its potential role in infectious diseases has progressively increased, with promising results. RECENT FINDINGS: So far 18F-fluorodeoxyglucose positron emission tomography/computed tomography has a well-established role and is recommended by guidelines only in a few settings, such as prosthetic valve endocarditis, vascular device infections, and chronic osteomyelitis...
January 12, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28073791/rapid-deployment-aortic-replacement-radar-registry-in-spain-a-protocol
#3
Victor Bautista-Hernandez, Natalia Cal-Purriños, Jose M Arribas-Leal, Manuel Carnero-Alcazar, Jose F Gutierrez-Diez, Jose J Cuenca-Castillo
INTRODUCTION: Rapid deployment valves (RDV) represent a newly introduced approach to aortic valve replacement which facilitates surgical implantation and minimally invasive techniques, shortens surgical times and shows excellent haemodynamic performance. However, evidence on their safety, efficacy and potential complications is mostly fitted with small-volume and retrospective studies. Moreover, no current guidelines exist. To improve our knowledge on this technology, The Rapid Deployment Aortic Replacement (RADAR) Registry will be established across Spain with the aim of assessing RDV outcomes in the real-world setting...
January 10, 2017: BMJ Open
https://www.readbyqxmd.com/read/28070934/long-term-outcomes-after-mechanical-aortic-valve-replacement-with-aortic-root-enlargement-in-adolescents
#4
Zhiwei Xu, Qiuxia Shi, Ju Mei, Yan Tan
BACKGROUND: Deciding which prosthetic aortic valve to choose is difficult in adolescents who have not yet met their full growth potential. The aim of this study was to assess long-term outcomes following mechanical aortic valve replacement with aortic root enlargement in adolescents. METHODS: Between September 1997 and December 2006, 58 consecutive adolescents (49 male, 9 female, median age 15.5, range 13 to 17 years) underwent mechanical aortic valve replacement with aortic root enlargement...
January 10, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28066587/comparison-of-outcomes-of-tricuspid-annuloplasty-with-3d-rigid-versus-flexible-prosthetic-ring-for-functional-tricuspid-regurgitation-secondary-to-rheumatic-mitral-valve-disease
#5
Haiping Wang, Xiancheng Liu, Xin Wang, Zhenqian Lv, Xiaojun Liu, Ping Xu
BACKGROUND: Annuloplasty bands and rings are widely used for repairing functional tricuspid regurgitation (FTR). However, the question regarding which is the ideal annuloplasty device remains unclear. The aim of this study was to compare the efficacy and mid-term durability of tricuspid ring annuloplasty for FTR secondary to rheumatic mitral valve disease using flexible Cosgrove-Edwards band and the rigid Edwards MC3 ring (Edwards Lifesciences, LLC, Irvine, CA, USA). METHODS: We retrospectively collected the clinical data of those who underwent mitral valve replacement (MVR) in concomitant with tricuspid ring annuloplasty from 2009 to 2013...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28065906/incidence-risk-factors-and-predictors-of-infective-endocarditis-in-adult-congenital-heart-disease-focus-on-the-use-of-prosthetic-material
#6
Joey M Kuijpers, Dave R Koolbergen, Maarten Groenink, Kathinka C H Peels, Constant L A Reichert, Marco C Post, Hans A Bosker, Elly M C J Wajon, Aeilko H Zwinderman, Barbara J M Mulder, Berto J Bouma
AIMS: Adult congenital heart disease (ACHD) predisposes to infective endocarditis (IE). Surgical advancements have changed the ACHD population, whereas associated prosthetic material may constitute additional IE targets. We aimed to prospectively determine contemporary incidence, risk factors, and predictors of IE in a nationwide ACHD cohort, focusing on the presence of prosthetics. METHODS AND RESULTS: We identified 14 224 patients prospectively followed in the CONCOR ACHD registry (50...
January 8, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28057559/propionibacterium-acnes-endocarditis-a-case-series
#7
Jona M Banzon, Susan J Rehm, Steven M Gordon, Syed T Hussain, Gosta B Pettersson, Nabin K Shrestha
OBJECTIVES: Propionibacterium acnes remains a rare cause of infective endocarditis (IE). It is challenging to diagnose due to the organism's fastidious nature and the indolent presentation of the disease. The purpose of this study was to describe the clinical presentation and management of P. acnes IE with an emphasis on the methods of diagnosis. METHODS: We identified patients from the Cleveland Clinic Infective Endocarditis Registry who were admitted from 2007 to 2015 with definite IE by Duke Criteria...
January 2, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28050429/redo-mitral-valve-replacement-for-prosthetic-valve-thrombosis-single-center-experience
#8
Jignesh Kothari, Kartik Patel, Bhavin Brahmbhatt, Kinnaresh Baria, Malkesh Talsaria, Sanjay Patel, Sandeep Tailor
INTRODUCTION: Prosthetic Valve Thrombosis (PVT) remains a significant cause of morbidity and mortality after valve replacement. Although surgical treatment is usually preferred as life-saving in cases of obstructive PVT, optimal treatment is yet to be decided. AIM: To evaluate risk factors and outcome of the patients undergoing redo mitral valve surgery for acute PVT. MATERIALS AND METHODS: Between January 2012 and February 2015, 65 patients underwent redo surgery for obstructive PVT of mitral valve in Department of Cardiothoracic Surgery, UN Mehta Institute of Cardiology & Research Centre...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28044989/surgical-mitral-valve-replacement-with-melody-valve-in-infants-and-children-the-italian-experience
#9
Alessandro Frigiola, Francesca Romana Pluchinotta, Antonio Saracino, Alessandro Giamberti, Carmelo Arcidiacono, Luciane Piazza, Matteo Reali, Gianfranco Butera, Alessandro Varrica, Mario Carminati
AIMS: Paediatric patients with mitral valve (MV) disease have limited options for prosthetic MV replacement. Based on a long experience with the stented bovine jugular vein graft (Melody Valve) in the right ventricular outflow tract, we tested the use of the Melody Valve as a surgical implant in the mitral position in patients with congenital mitral disease. METHODS AND RESULTS: Eight patients, age 3 months to 6.2 years, with congenital MV dysplasia had undergone Melody valve implantation in mitral position between March 2014 and October 2015...
January 3, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28043472/design-of-replacement-leaflets-for-the-aortic-valve
#10
EDITORIAL
J Scott Rankin, Vinay Badhwar
Complete aortic valve leaflet replacement has been described for decades. Recently, Glutaraldehyde-fixed autologous pericardium has been used for this purpose, and good long-term results are emerging. Outcomes seem to be better than with prosthetic aortic valve replacement, and similar to native valve repair. Multiple strategies have been used for the design of replacement leaflets, including the measurement of inter-commissural chord length (as in the accompanying paper), and multiplying annular diameter by 1...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28043451/transapical-cannulation-through-a-transcatheter-aortic-valve-implantation-valve-a-novel-approach-for-cardiogenic-collapse
#11
Louis Philippe Tremblay, Claudia Cote, Marc P Pelletier
We report a case of rescue bypass cannulation of the ventricular apex during a transapical transcatheter aortic valve implantation procedure in a patient with peripheral vascular disease not amenable to peripheral cannulation. Following rapid pacing and deployment of the transcatheter valve, cardiac function did not recover. The arterial cannula was inserted through the left ventricular apex, at the site of the transapical sheath, and advanced across the prosthetic valve, allowing for rapid initiation of cardiopulmonary bypass...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28043449/stentless-vs-stented-aortic-valve-bioprostheses-in-the-small-aortic-root
#12
Laurens W Wollersheim, Wilson W Li, Abdullah Kaya, Berto J Bouma, Antoine H Driessen, Wim J van Boven, Jan van der Meulen, Bas A de Mol
In patients with a small aortic root undergoing aortic valve replacement (AVR), the Freedom SOLO bioprosthesis may be the ideal prosthesis because of its stentless design and supra-annular implantation. This study investigated if the stentless Freedom SOLO has an advantage when compared with a stented bioprosthesis in patients with a small aortic root. From April 2005-July 2014, 269 consecutive patients underwent AVR with either a Freedom SOLO (n = 76) or Mitroflow (n = 193) bioprosthesis size 19mm or 21mm, respectively...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28043440/aminoglycosides-for-surgically-treated-enterococcal-endocarditis
#13
Jona M Banzon, Syed T Hussain, Steven M Gordon, Gosta B Pettersson, Robert S Butler, Nabin K Shrestha
Aminoglycosides are a mainstay of treatment for enterococcal infective endocarditis. However, the benefit of adding aminoglycosides to cell wall-active agents after surgery is unclear. The aim of this study was to determine if adjunctive aminoglycoside treatment after surgery for enterococcal endocarditis leads to better outcomes. We included patients who underwent surgery for enterococcal endocarditis at our institution between July 2007 and July 2014. Treatment was defined as at least 1 dose of an aminoglycoside after surgery...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28043434/aortic-root-surgery-does-high-surgical-volume-and-a-consistent-perioperative-approach-improve-outcome
#14
Rajdeep Bilkhu, Pouya Youssefi, Gopal Soppa, Rajan Sharma, Anne Child, Mark Edsell, Jean-Pierre van Besouw, Marjan Jahangiri
There is evidence that high surgical volume and team consistency improve outcomes. Mortality of 4%-12% for aortic root surgery has been reported in the United States and UK. We aim to assess outcomes of patients undergoing aortic root surgery by a consistent, high-volume team. Data on patients undergoing elective or urgent aortic root replacement (ARR) were collected prospectively. Patients undergoing emergency surgery were excluded. A standardized perioperative approach was maintained and was achieved by delivering training to team members, including surgical trainees, anesthetic, nursing, and perfusion staff, whenever there was a change of team...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28042262/dentists-knowledge-and-practice-regarding-prevention-of-infective-endocarditis
#15
Soukaina Ryalat, Yazan Hassona, Mohammad Al-Shayyab, Mais Abo-Ghosh, Faleh Sawair
OBJECTIVES: The objective of this study is to assess the knowledge and practice of dentists from Jordan, regarding prevention of infective endocarditis (IE) in dental practice. MATERIALS AND METHODS: A sample of Jordanian dentists was interviewed regarding their IE knowledge and practice using a validated and pretested survey instrument. RESULTS: Most of the dentists have encountered a patient with IE who needed prophylactic antibiotic (PA) and have prescribed antibiotics to prevent IE...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/28040318/transcatheter-mitral-valve-replacement-for-patients-with-symptomatic%C3%A2-mitral%C3%A2-regurgitation-a-global-feasibility-trial
#16
David W M Muller, Robert Saeid Farivar, Paul Jansz, Richard Bae, Darren Walters, Andrew Clarke, Paul A Grayburn, Robert C Stoler, Gry Dahle, Kjell A Rein, Marty Shaw, Gregory M Scalia, Mayra Guerrero, Paul Pearson, Samir Kapadia, Marc Gillinov, Augusto Pichard, Paul Corso, Jeffrey Popma, Michael Chuang, Philipp Blanke, Jonathon Leipsic, Paul Sorajja
BACKGROUND: Symptomatic mitral regurgitation (MR) is associated with high morbidity and mortality that can be ameliorated by surgical valve repair or replacement. Despite this, many patients with MR do not undergo surgery. Transcatheter mitral valve replacement (TMVR) may be an option for selected patients with severe MR. OBJECTIVES: This study aimed to examine the effectiveness and safety of TMVR in a cohort of patients with native valve MR who were at high risk for cardiac surgery...
December 20, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28033700/brucellosis-with-multi-organ-involvement-in-a-patient-with-history-of-composite-aortic-graft-and-hepatitis-b
#17
Seyed Ali Dehghan Manshadi, Omid Rezahosseini, Zahra Abdi Liaei
The brucellosis with multi-organ involvement in a patient with a history of the composite aortic graft (Bentall procedure) and Hepatitis B infection is rare. A 35-year-old man presented to us with fever and loss of consciousness. Four years ago, he was IDU and underwent cardiac surgery because of endocarditis. Recently lumbar spondylodiscitis was diagnosed. The Wright (1/320) and Coombs Wright tests (1/640) were positive. After CNS imaging, lumbar puncture was done. The CSF pleocytosis was lymphocyte dominant...
November 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/28033079/sustained-improvement-in-right-ventricular-chamber-dimensions-10-years-following-xenograft-pulmonary-valve-replacement
#18
Heidi B Schubmehl, Michael F Swartz, Nader Atallah-Yunes, Carol Wittlieb-Weber, Rebecca E Pratt, George M Alfieris
BACKGROUND: The goals following pulmonary valve replacement (PVR) are to optimize right ventricular hemodynamics and minimize the need for subsequent reoperations on the right ventricular outflow tract. We hypothesized PVR using a xenograft valved conduit would result in superior freedom from reoperation with sustained improvement in right ventricular chamber dimensions. METHODS: Xenograft valved conduits placed in patients aged >16 years were reviewed from 2000 to 2010 to allow for a 5-year minimum follow-up...
January 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28019065/pregnancy-outcomes-in-women-with-mechanical-prosthetic-heart-valves-a-prospective-descriptive-population-based-study-using-the-united-kingdom-obstetric-surveillance-system-ukoss-data-collection-system
#19
S Vause, B Clarke, C L Tower, Crm Hay, M Knight
OBJECTIVE: To describe the incidence of mechanical prosthetic heart valves (MPHV) in pregnancy in the UK; rates of maternal and fetal complications in this group of women, and whether these vary with the anticoagulation used during pregnancy. DESIGN: Prospective descriptive population-based study. SETTING: All consultant-led maternity units in the UK. POPULATION: All women with an MPHV who were pregnant between 1 February 2013 and 31 January 2015...
December 26, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28011741/a-novel-solution-to-prosthetic-valve-dehiscence-after-aortic-valve-surgery-in-beh%C3%A3-et-s-disease
#20
Yochun Jung, Byoung Hee Ahn, Kyo Seon Lee, In Seok Jeong, Kye Hun Kim, Kook Joo Na, Sang-Wan Ryu, Sang Gi Oh
OBJECTIVES: Prosthetic valve dehiscence after aortic valve surgery in Behçet's disease patients is common. We aimed to validate the usefulness of our new technique 'subannular endomyocardial implantation of valve prosthesis' designed to prevent prosthetic valve dehiscence. METHODS: Subannular endomyocardial implantation of valve prosthesis involves suturing the sewing cuff of the valve prosthesis in the endomyocardium below the aortic annulus, which is based on the idea that annular tissue should be excluded from the suture line in Behçet's disease patients...
December 23, 2016: Interactive Cardiovascular and Thoracic Surgery
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