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aortic endocarditis

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https://www.readbyqxmd.com/read/28183793/clinical-information-has-low-sensitivity-for-postmortem-diagnosis-of-heart-valve-disease
#1
Sean Coffey, Andrew R Harper, Benjamin J Cairns, Ian Sd Roberts, Bernard D Prendergast
BACKGROUND: Accuracy of routinely collected information concerning cause of death is essential for public health and health systems planning. Since clinical examination has relatively low sensitivity for detection of valvular heart disease (VHD), mortality data based on clinical information alone might routinely underestimate the number of deaths due to VHD. METHODS: We compared autopsy findings against premortem clinical information for 8198 consecutive adult postmortems (mean age 69...
February 9, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28179972/septic-shock-of-unknown-origin-a-case-report-of-a-pseudoaneurysm-of-the-mitral-aortic-intervalvular-fibrosa
#2
Julio Gil, Hugo Antunes, Bruno Marmelo, Luis Abreu, Maria Luisa Goncalves, Luis Ferreira Dos Santos, Jose Costa Cabral
Pseudoaneurysm of the mitral-aortic intervalvular fibrosa (P-MAIVF) is a rare complication of infective endocarditis and trauma, particularly of aortic valve surgery. Clinical symptoms are usually unspecific and generally due to complications. Transesophageal echocardiography (TEE) is the most commonly used exam to diagnose P-MAIVF. The main echocardiographic feature is the presence of a cavity communicating with the left ventricular outflow tract that expands during systole and collapses during diastole. Most frequent complications are formation of a fistulous tract and compression of adjacent structures...
March 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28174055/transcatheter-jenavalve-implantation-in-a-stentless-prosthesis-a-challenging-case-after-4-previous-aortic-procedures
#3
Sandro Sponga, Enzo Mazzaro, Rodrigo Bagur, Ugolino Livi
A 40-year-old man underwent 4 aortic surgeries because of endocarditis and subsequent prosthesis dehiscence. At the last recurrence he presented with acute severe aortic regurgitation of a Pericarbon Freedom (LivaNova plc, London, UK) stentless bioprosthesis and a morphologically disarranged aortic root. He also presented with left ventricular dysfunction and a very low origin of the left coronary artery. Therefore, a fifth redo aortic valve replacement was considered at high surgical risk. Accordingly, before listing the patient for a heart transplantation, a transcatheter valve-in-valve implantation with the JenaValve (JenaValve Technology, GmbH, Munich, Germany) prosthesis was performed...
November 11, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28165925/molecular-detection-of-candidatus-bartonella-mayotimonensis-in-north-american-bats
#4
Thomas M Lilley, Cali A Wilson, Riley F Bernard, Emma V Willcox, Eero J Vesterinen, Quinn M R Webber, Laura Kurpiers, Jenni M Prokkola, Imran Ejotre, Allen Kurta, Kenneth A Field, DeeAnn M Reeder, Arto T Pulliainen
Candidatus Bartonella mayotimonensis was detected in 2010 from an aortic valve sample of a patient with endocarditis from Iowa, the United States of America. The environmental source of the potentially new endocarditis-causing Bartonella remained elusive. We set out to study the prevalence and diversity of bat-associated Bartonella in North America. During 2015, mist nets and harp traps were used to capture 92 bats belonging to two species: little brown myotis (Myotis lucifugus Le Conte 1831, n = 73) and the gray myotis (M...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28163433/congenital-pseudoaneurysm-of-mitral-aortic-intervalvular-fibrosa-masquerading-as-left-atrial-mass-in-fetal-life
#5
Shanthi Chidambarathanu, Vijayalakshmi Raja, Indrani Suresh
A 28-week-old fetus was detected to have a single left atrial mass in prenatal ultrasound. Postnatal echocardiography showed an aneurysm between the anterior mitral leaflet and aortic valve, to the left of atrioventricular junction and communicating with the left ventricle through a narrow mouth. It probably originated from the mitral-aortic intervalvular fibrous tissue and an inherent weakness at this site might be the cause. Reported cases of pseudoaneurysm of mitral-aortic intervalvular fibrosa and subvalvular ventricular aneurysms seen following infective endocarditis, surgery, or trauma seem to have a similar anatomical background...
January 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28149706/evaluation-of-epidemiological-clinical-and-microbiological-features-of-definite-infective-endocarditis
#6
Reza Faraji, Mostafa Behjati-Ardakani, Seyed Mohammad Moshtaghioun, Seyed Mehdi Kalantar, Seyedeh Mahdieh Namayandeh, Mohammadhossien Soltani, Hengameh Zandi, Ali Dehghani Firoozabadi, Neda Tavakkoli Banizi, Foroozandeh Qasemi Kahtooie, Mehdi Banaei, Mohammadtaghi Sarebanhassanabadi
Background: Infective endocarditis (IE) is a microbial infection of heart valves and its endothelial lining which is considered as a life-threatening disorder. This study evaluated the epidemiological, clinical, and microbiological features of IE at the Cardiovascular Research Center in Yazd, Iran. Methods: The cross-sectional study was conducted on 20 patients diagnosed with definite IE on the basis of Duke's criteria hospitalized for one year in the Cardiovascular Research Center in Yazd, Iran, from January 2015 to December 2015...
2017: GMS Hygiene and Infection Control
https://www.readbyqxmd.com/read/28149150/ventricular-tacyhcardia-in-a-patient-with-a-previous-history-of-endocarditis-and-ankylosan-spondylitis-a-challenging-case
#7
Yavuzer Koza, Muhammed Hakan Taş, Ziya Şimşek, Fuat Gündoğdu
Cardiac conduction defects are commonly observed in patients with ankylosing spondylitis, infective endocarditis, and aortic valve replacement. Each of these clinical situations can also present with ventricular tacyhcardia by different mechanisms. Here we report the case of a 53-year-old man with a medical history of untreated ankylosing spondylitis and aortic valve replacement who presented with ventricular tachycardia and underwent successful catheter ablation. Most ventricular tachycardia episodes were intermittent and drug resistant, which could have been caused by abnormal automaticity rather than re-entry...
October 2016: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28146195/-infective-endocarditis-by-abiotrophia-defectiva-diagnosed-by-mass-spectrometry-maldi-tof-ms-in-argentina
#8
Flavo Lipari, Matías Martínez, Daniela Hernández, María Laborie, Juan P Caeiro
We report the case of a 63-year-old woman with congestive heart failure due to a bicuspid aortic valve and severe aortic stenosis. The patient had a febrile syndrome with positive blood cultures for Abiotrophia defectiva, Transesophageal echocardiogram revealed the presence of paravalvular abscess, which was treated by a successful valve replacement. The patient received appropriate antibiotic therapy with intravenous vancomycin, leading to a successful response. The use of MALDI-TOF MS as a rapid and specific method for the microbiological diagnosis is discussed in the following report...
December 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28132395/fatal-neisseria-macacae-infective-endocarditis-first-report
#9
Maude Vecten, Hélène Martel, Jean-Paul Casalta, Sandrine Hubert, Hubert Lepidi, Gilbert Habib, Didier Raoult, Frédérique Gouriet
INTRODUCTION: Neisseria macacae is a Gram-negative diplococcus, found in the oropharynx of healthy Rhesus Monkeys. Infections caused by N. macacae in humans are extremely rare. CASE PRESENTATION: We present here the first case of N. macacae infective endocarditis in a 65-year-old man with a native aortic valve infection complicated by a peri-aortic abscess. N. macacae was isolated from blood culture and was found on the cardiac valve using 16S rDNA detection. Despite an appropriate antibiotic therapy, and aortic homograft replacement, and mitral repair, the patient died 4 days after surgery from a massive hemorrhagic stroke...
January 28, 2017: Infection
https://www.readbyqxmd.com/read/28130699/autopsy-after-transcatheter-aortic-valve-implantation
#10
F van Kesteren, E M A Wiegerinck, S Rizzo, J Baan, R N Planken, J H von der Thüsen, H W M Niessen, M F M van Oosterhout, A Pucci, G Thiene, C Basso, M N Sheppard, K Wassilew, A C van der Wal
Autopsy after transcatheter aortic valve implantation (TAVI) is a new field of interest in cardiovascular pathology. To identify the cause of death, it is important to be familiar with specific findings related to the time interval between the procedure and death. We aimed to provide an overview of the autopsy findings in patients with TAVI in their medical history divided by the timing of death with specific interest in the added value of autopsy over a solely clinically determined cause of death. In 8 European centres, 72 cases with autopsy reports were available...
January 27, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28129319/mini-bentall-an-interesting-approach-for-selected-patients
#11
Elisa Mikus, Antonio Micari, Simone Calvi, Maria Salomone, Marco Panzavolta, Marco Paris, Mauro Del Giglio
OBJECTIVE: Minimally invasive surgery through an upper hemisternotomy for aortic valve replacement has become the routine approach with excellent results. Actually, the same minimally invasive access is used for complex ascending aorta procedures only in few centers. We report our experience with minimally invasive approach for aortic valve and ascending aorta replacement using Bentall technique. METHODS: From January 2010 to November 2015, a total of 238 patients received ascending aorta and aortic valve replacement using Bentall De Bono procedure at our institution...
January 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28118782/initial-experience-with-xenograft-bioconduit-for-the-treatment-of-complex-prosthetic-valve-endocarditis
#12
Apostolos Roubelakis, Dimos Karangelis, Syed Sadeque, Bobby Yanagawa, Amit Modi, Clifford W Barlow, Steven A Livesey, Sunil K Ohri
INTRODUCTION: The treatment of complex prosthetic valve endocarditis (PVE) with aortic root abscess remains a surgical challenge. Several studies support the use of biological tissues to minimize the risk of recurrent infection. We present our initial surgical experience with the use of an aortic xenograft conduit for aortic valve and root replacement. METHODS: Between October 2013 and August 2015, 15 xenograft bioconduits were implanted for complex PVE with abscess (13...
January 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28106022/complicated-left-sided-infective-endocarditis-in-chronic-hemodialysis-patients-a-case-report
#13
Öykü Gülmez, Mehtap Aydın
Infective endocarditis (IE) is a serious infectious condition with high morbidity and mortality in patients with end-stage renal disease (ESRD). It has been particularly associated with recurrent bacteremia due to vascular access via lumen catheters. The most common pathogen is Staphylococcus (S.) aureus, and most affected valve is mitral valve, which frequently calcified. Two patients with ESRD who received hemodialysis treatment via tunneled catheters, aged 56 and 88 years, were admitted with fever and high troponin level...
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28081318/clinical-characteristics-and-outcome-of-brucella-endocarditis
#14
Na Du, Feng Wang
BACKGROUND/AIM: Brucella endocarditis, which is a rare condition, is the most common cause of death in human brucellosis, leading to severe cardiac complications. By collecting and analyzing clinical cases, we analyzed the clinical characteristics and outcome of Brucella endocarditis in endemic areas in China. MATERIALS AND METHODS: Presented here are 5 cases of Brucella endocarditis, all managed uniformly. We present the clinical, serological, and echocardiographic features; the therapeutic approach; and the follow-up of five patients with Brucella endocarditis...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28076624/quadricuspid-aortic-valve-a-comprehensive-review
#15
Shi-Min Yuan
Quadricuspid aortic valve (QAV) is a rare congenital heart disease. The functional status of QAV is predominantly a pure aortic regurgitation. Clinical manifestations of patients with a QAV depend on the functional status of the QAV and the associated disorders. Significant valvular regurgitation and (or) stenosis is often present with subsequent operation performed at the fifth to sixth decade of life. The functional status of QAV is predominantly regurgitant; whereas pure stenotic QAV can be as few as in only 0...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28068928/newly-recognized-cerebral-infarctions-on-postmortem-imaging-a-report-of-three-cases-with-systemic-infectious-disease
#16
Sakon Noriki, Kazuyuki Kinoshita, Kunihiro Inai, Toyohiko Sakai, Hirohiko Kimura, Takahiro Yamauchi, Masayuki Iwano, Hironobu Naiki
BACKGROUND: Postmortem imaging (PMI) refers to the imaging of cadavers by computed tomography (CT) and/or magnetic resonance imaging (MRI). Three cases of cerebral infarctions that were not found during life but were newly recognized on PMI and were associated with severe systemic infections are presented. CASE PRESENTATIONS: An 81-year-old woman with a pacemaker and slightly impaired liver function presented with fever. Imaging suggested interstitial pneumonia and an iliopsoas abscess, and blood tests showed liver dysfunction and disseminated intravascular coagulation (DIC)...
January 10, 2017: BMC Medical Imaging
https://www.readbyqxmd.com/read/28052455/echocardiographic-follow-up-after-transcatheter-aortic-valve-replacement
#17
REVIEW
Vladislavs Sokalskis, Denisa Muraru, Chiara Fraccaro, Massimo Napodano, Augusto D'Onofrio, Giuseppe Tarantini, Luigi Paolo Badano
The use of transcatheter aortic valve replacement (TAVR) for high-risk patients with aortic stenosis has rapidly increased during the past years. Accordingly, more and more patients are referred for a follow-up echocardiographic study after TAVR. However, the echocardiographic evaluation of patients who underwent TAVR places specific demands on echocardiographers. Furthermore, TAVR may be associated with new types of complications, which are frequently unrecognized or underestimated due to lack of familiarity with the normal and pathological appearance of TAVR...
January 3, 2017: Echocardiography
https://www.readbyqxmd.com/read/28043449/stentless-vs-stented-aortic-valve-bioprostheses-in-the-small-aortic-root
#18
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/28040754/antegrade-and-retrograde-perfusion-in-minimally-invasive-mitral-valve-surgery-with-transthoracic-aortic-clamping-a-single-institution-experience-with-1632-patients-over-12-years
#19
Michele Murzi, Alfredo G Cerillo, Tommaso Gasbarri, Rafik Margaryan, Enkel Kallushi, Pierandrea Farneti, Marco Solinas
OBJECTIVES: The aim of the present study was to evaluate the impact of a retrograde arterial perfusion (RAP) strategy versus an antegrade arterial perfusion (AAP) strategy in a consecutive, large cohort of patients who underwent minimally invasive mitral valve surgery with transthoracic aortic clamping through a right minithoracotomy. METHODS: Between 2003 and 2015, 1632 consecutive patients underwent first-time minimally invasive mitral valve surgery with transthoracic aortic clamping at our institution; 141 (8...
December 31, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28035639/mycobacterium-infection-from-a-cardiopulmonary-bypass-heater-cooler-unit-in-a-patient-with-steroid-induced-immunosuppression
#20
Yi Cai, Kevin Landolfo, Johnathan R Renew
PURPOSE: To present a case of mycobacterium infection transmitted through a heater-cooler unit during cardiac bypass surgery. CLINICAL FEATURES: A 63-yr-old woman with a past medical history of aortic coarctation repair in 1963 and a mechanical aortic valve replacement in 2010 was prescribed antibiotics and steroids at an outpatient care facility in September 2015 for symptoms of an upper respiratory tract infection. Four months later, she developed malaise and intermittent fever with anemia and acute kidney dysfunction...
December 29, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
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