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Prosthetic Valve Endocarditis

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https://www.readbyqxmd.com/read/27920984/staphylococcus-lugdunensis-endocarditis-with-destruction-of-the-ventricular-septum-and-multiple-native-valves
#1
Celestine Ishiekwene, Monica Ghitan, Margaret Kuhn-Basti, Edward Chapnick, Yu Shia Lin
Staphylococcus lugdunensis (S. lugdunensis) is a coagulase negative staphylococcus (CoNS) that can cause destructive infective endocarditis. S. lugdunensis, unlike other CoNS, should be considered to be a pathogen. We report the first case of S. lugdunensis endocarditis causing ventricular septal defect and destruction of the aortic and mitral valves. A 53-year-old male with morbid obesity and COPD presented with intermittent fever and progressive shortness of breath for 2 weeks. Chest examination showed bilateral basal crepitations, and a grade 2 systolic murmur along the right sternal border...
2017: IDCases
https://www.readbyqxmd.com/read/27909685/persistent-immune-thrombocytopenia-heralds-the-diagnosis-of-mycobacterium-chimaera-prosthetic-valve-endocarditis
#2
Keith A Sacco, M Caroline Burton
A 63 year old female was admitted for investigation of worsening renal insufficiency. During hospitalization she developed persistent immune thrombocytopenia refractory to supportive or immunosuppressive treatment. She was diagnosed with Mycobacterium chimaera prosthetic valve endocarditis and thrombocytopenia resolved with anti-mycobacterial therapy.
2017: IDCases
https://www.readbyqxmd.com/read/27891149/corynebacterium-propinquum-a-rare-cause-of-prosthetic-valve-endocarditis
#3
Umair Jangda, Ankit Upadhyay, Farshad Bagheri, Nilesh R Patel, Robert I Mendelson
Nondiphtheria Corynebacterium species are often dismissed as culture contaminants, but they have recently become increasingly recognized as pathologic organisms. We present the case of a 48-year-old male patient on chronic prednisone therapy for rheumatoid arthritis with a history of mitral valve replacement with prosthetic valve. He presented with fever, dizziness, dyspnea on exertion, intermittent chest pain, and palpitations. Transesophageal echocardiography revealed two medium-sized densities along the inner aspect of the sewing ring and one larger density along the atrial surface of the sewing ring consistent with vegetation...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27890554/endocarditis-after-interventional-repair-of-the-mitral-valve-review-of-a-dilemma
#4
REVIEW
Niklas F Boeder, Oliver Dörr, Johannes Rixe, Kay Weipert, Timm Bauer, Matthias Bayer, Christian W Hamm, Holger M Nef
BACKGROUND: The MitraClip procedure can be an alternative treatment option for patients with high surgical risk for whom surgical treatment is contraindicated. Patients with prosthetic material have an increased risk for infective endocarditis. HYPOTHESIS: Incidence, treatment and outcome of patients with endocarditis after interventional mitral valve repair are not known. METHODS: We searched for articles using PubMed using the terms "interventional mitral valve repair", "mitraclip" and "endocarditis"...
November 10, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/27867590/prosthetic-valve-endocarditis-after-transcatheter-aortic-valve-implantation-diagnostic-and-surgical-considerations
#5
Khalil Ahmad, Kaj Erik Klaaborg, Vibeke Hjortdal, Bjarne Linde Nørgaard, Christian Juhl Terkelsen, Kaare Jensen, Evald Høj Christiansen, Kim Allan Terp, Gratien Andersen, Steen Hvitfeldt, Henning Rud Andersen
Prosthetic valve endocarditis (PVE) after transcatheter aortic valve implantation (TAVI) or surgical aortic valve replacement (SAVR) is a potential life threatening complication. Better understanding of the incidence, predictors, clinical presentation, diagnostic measures, complications and management of PVE may help improve TAVI long-term outcome. We report a case of TAVI-PVE in an 80-year-old high risk patient in whom SAVR was successfully performed. We have reviewed literature regarding TAVI-PVE.
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27847089/recurrent-aortic-prosthetic-valve-endocarditis-a%C3%A2-radical-additional-anatomical-solution
#6
Cecilia Marcacci, Matteo Trezzi, Gilles D Dreyfus
Recurrent prosthetic valve endocarditis, especially when characterized by annular abscess and aortic root destruction, remains a surgical challenge. A radical and aggressive surgical treatment is required preventing recurrent infection. Homograft implants are still thought to be the best surgical option, but they are not always available and their use in younger patient remains controversial. We propose an additional anatomical surgical technique, which consists in the implantation of a composite graft in the left ventricular outflow tract, well below the native aortic annulus, and then the direct reimplantation of coronary ostia...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27847068/afebrile-pannus-induced-blood-culture-negative-mechanical-valve-endocarditis
#7
Seiji Matsukuma, Kiyoyuki Eishi, Kazuyoshi Tanigawa, Takashi Miura, Ichiro Matsumaru, Kazuki Hisatomi, Akira Tsuneto
The diagnosis of prosthetic valve endocarditis may be challenging in patients with an atypical clinical presentation. Virtually all infections associated with mechanical prosthetic valves are localized to the prosthesis-tissue junction at the sewing ring and are accompanied by tissue destruction around the prosthesis. Because the orifice of the mechanical prosthetic valve is made of metal and pyrolytic carbon, which do not enable the adherence of microorganisms, any vegetation originating from the interior of the valve orifice is usually rare...
December 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27844027/prosthetic-valve-endocarditis-caused-by-bartonella-henselae-a-case-report-of-molecular-diagnostics-informing-nonsurgical-management
#8
Patricia Bartley, Emmanouil Angelakis, Didier Raoult, Rangarajan Sampath, Robert A Bonomo, Robin L P Jump
Identifying the pathogen responsible for culture-negative valve endocarditis often depends on molecular studies performed on surgical specimens. A patient with Ehlers-Danlos syndrome who had an aortic graft, a mechanical aortic valve, and a mitral anulloplasty ring presented with culture-negative prosthetic valve endocarditis and aortic graft infection. Research-based polymerase chain reaction (PCR)/electrospray ionization mass spectrometry on peripheral blood samples identified Bartonella henselae. Quantitative PCR targeting the16S-23S ribonucleic acid intergenic region and Western immunoblotting confirmed this result...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/27843568/complementary-role-of-cardiac-ct-in-the-assessment-of-aortic-valve-replacement-dysfunction
#9
REVIEW
Alastair J Moss, Marc R Dweck, John G Dreisbach, Michelle C Williams, Sze Mun Mak, Timothy Cartlidge, Edward D Nicol, Gareth J Morgan-Hughes
Aortic valve replacement is the second most common cardiothoracic procedure in the UK. With an ageing population, there are an increasing number of patients with prosthetic valves that require follow-up. Imaging of prosthetic valves is challenging with conventional echocardiographic techniques making early detection of valve dysfunction or complications difficult. CT has recently emerged as a complementary approach offering excellent spatial resolution and the ability to identify a range of aortic valve replacement complications including structural valve dysfunction, thrombus development, pannus formation and prosthetic valve infective endocarditis...
2016: Open Heart
https://www.readbyqxmd.com/read/27843101/is-transesophageal-echocardiography-needed-before-hospital-discharge-in-patients-after-bentall-surgery
#10
Victor Waldmann, Olivier Milleron, Bernard Iung, David Messika-Zeitoun, Laurent Lepage, Walid Ghodbane, Eric Brochet, Alec Vahanian, Patrick Nataf, Guillaume Jondeau
BACKGOUND: Whether transesophageal echocardiography (TEE) should be routinely performed before hospital discharge after Bentall surgery remains unclear. The investigators took advantage of this practice at their institution to evaluate its benefit. METHODS: All patients who had undergone the Bentall procedure at Bichat Hospital from January 2010 to March 2014 were included. For each patient, transthoracic echocardiographic and transesophageal echocardiographic data and clinical events were retrospectively collected from the various reports...
November 11, 2016: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/27842683/allografts-in-aortic-position-insights-from-a-27-year-single-center-prospective-study
#11
Bardia Arabkhani, Jos A Bekkers, Eleni-Rosalina Andrinopoulou, Jolien W Roos-Hesselink, Johanna J M Takkenberg, Ad J J C Bogers
OBJECTIVE: Over the past decades, the indication for allograft implantation in aortic position has evolved. The purpose of this study is to report long-term survival, allograft durability, and potential risk factors. METHODS: Between 1987 and 2010, 353 patients underwent aortic valve replacements via allograft (92 subcoronary, 261 root replacement; 98% aortic allografts). Patient characteristics, survival, valve durability, and valve-related events were analyzed...
December 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27818810/familial-adenomatous-polyposis-manifesting-as-lactococcus-endocarditis-a-case-report-and-review-of-the-association-of-lactococcus-with-underlying-gastrointestinal-disease
#12
Taylor C Bazemore, Stacey A Maskarinec, Kahli Zietlow, Edward F Hendershot, John R Perfect
A 45-year-old male with a prosthetic aortic valve presented to the hospital with several months of generalized malaise. On admission, he was noted to have anemia of unclear etiology and subsequently became febrile with multiple blood cultures growing Lactococcus garvieae. Inpatient workup was concerning for infectious endocarditis (IE) secondary to Lactococcus. The patient was discharged home with appropriate antimicrobial therapy; however, he was readmitted for persistent, symptomatic anemia and underwent colonoscopy, which revealed innumerable colonic polyps consistent with Familial Adenomatous Polyposis (FAP) that was later confirmed with genetic testing...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27785132/valve-selection-in-aortic-valve-endocarditis
#13
Sossio Perrotta, Yana Zubrytska
Aortic prosthetic valve endocarditis (PVE) is a potentially life-threatening disease. Mortality and incidence of infective endocarditis have been reduced in the past 30 years. Medical treatment of aortic PVE may be successful in patients who have a prompt response after antibiotic treatment and who do not have prosthetic dysfunction. In advanced stages, antibiotic therapy alone is insufficient to control the disease, and surgical intervention is necessary. Surgical treatment may be lifesaving, but it is still associated with considerable morbidity and mortality...
September 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/27759926/paravalvular-leaks-one-size-or-shape-doesn-t-always-fit-all
#14
Andre Paixao, Mehmet Cilingiroglu
Paravalvular leak (PVL) remains as uncommon but serious complication after surgical prosthetic valve implantation. PVL when associated which congestive heart failure, hemolytic anemia, or infective endocarditis may require percutaneous treatment. High-surgical risk is common in this population. Dedicated PVL devices are lacking often limiting optimal treatment.
October 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27746163/diagnostic-value-of-imaging-in-infective-endocarditis-a-systematic-review
#15
Anna Gomes, Andor W J M Glaudemans, Daan J Touw, Joost P van Melle, Tineke P Willems, Alexander H Maass, Ehsan Natour, Niek H J Prakken, Ronald J H Borra, Peter Paul van Geel, Riemer H J A Slart, Sander van Assen, Bhanu Sinha
Sensitivity and specificity of the modified Duke criteria for native valve endocarditis are both suboptimal, at approximately 80%. Diagnostic accuracy for intracardiac prosthetic material-related infection is even lower. Non-invasive imaging modalities could potentially improve diagnosis of infective endocarditis; however, their diagnostic value is unclear. We did a systematic literature review to critically appraise the evidence for the diagnostic performance of these imaging modalities, according to PRISMA and GRADE criteria...
October 13, 2016: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/27743680/prosthetic-valve-with-infective-endocarditis-caused-by-propionibacterium-avidum-a-case-report
#16
Jose Loureiro-Amigo, Silvia Pons, Montserrat Sierra, Yolanda Meije
No abstract text is available yet for this article.
October 12, 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27737409/fungal-endocarditis
#17
Shi-Min Yuan
Fungal endocarditis is a rare and fatal condition. The Candida and Aspergillus species are the two most common etiologic fungi found responsible for fungal endocarditis. Fever and changing heart murmur are the most common clinical manifestations. Some patients may have a fever of unknown origin as the onset symptom. The diagnosis of fungal endocarditis is challenging, and diagnosis of prosthetic valve fungal endocarditis is extremely difficult. The optimum antifungal therapy still remains debatable. Treating Candida endocarditis can be difficult because the Candida species can form biofilms on native and prosthetic heart valves...
May 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27721936/role-of-radionuclide-imaging-for-diagnosis-of-device-and-prosthetic-valve-infections
#18
Jean-François Sarrazin, François Philippon, Mikaël Trottier, Michel Tessier
Cardiovascular implantable electronic device (CIED) infection and prosthetic valve endocarditis (PVE) remain a diagnostic challenge. Cardiac imaging plays an important role in the diagnosis and management of patients with CIED infection or PVE. Over the past few years, cardiac radionuclide imaging has gained a key role in the diagnosis of these patients, and in assessing the need for surgery, mainly in the most difficult cases. Both (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) and radiolabelled white blood cell single-photon emission computed tomography/computed tomography (WBC SPECT/CT) have been studied in these situations...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27713859/chronic-q-fever-a-missed-prosthetic-valve-endocarditis-possibly-for-years
#19
Rita Veiga Ferraz, Marta Andrade, Filipa Silva, Paulo Andrade, Cláudia Carvalho, José Pinheiro Torres, Jorge Almeida, António Sarmento, Lurdes Santos
Chronic Coxiella burnetii endocarditis usually develops in people with underlying heart disease and accounts for 60-70% of chronic Q fever. Onset is generally insidious and manifestations are atypical. The authors report a case of Coxiella burnetii prosthetic valve endocarditis in a 53 years- old patient with recurrent mechanical valve dehiscence on mitral position. He lived in a rural area with sheep and goats on the surroundings. During a 9 year- period, he was submitted to three cardiac mitral valve surgeries two of which with no Q fever diagnosis suspicion...
2016: IDCases
https://www.readbyqxmd.com/read/27697360/mid-term-durability-of-the-trifecta-bioprosthesis-for-aortic-valve-replacement
#20
Amedeo Anselmi, Vito Giovanni Ruggieri, Bernard Lelong, Erwan Flecher, Hervé Corbineau, Thierry Langanay, Jean-Philippe Verhoye, Alain Leguerrier
OBJECTIVE: To clarify the mid-term durability of the Trifecta bioprosthesis for aortic valve replacement (AVR). METHODS: We retrospectively analyzed the prospectively collected data of 824 consecutive implants of the Trifecta valve at a single institution. A 100% complete follow-up was available (average duration, 2.2 ± 1.3 years; range, 0.03-6.9 years; 1747.6 patient-years). Echocardiography data at discharge were recorded prospectively. RESULTS: Operative mortality was 3...
August 30, 2016: Journal of Thoracic and Cardiovascular Surgery
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