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Recurrent prosthetic valve endocarditis caused by Aspergillus delacroxii (formerly Aspergillus nidulans var. echinulatus).

ABSTRACT: We report Aspergillus delacroxii (formerly Aspergillus nidulans var. echinulatus) causing recurrent prosthetic valve endocarditis. The fungus was the sole agent detected during replacement of a mechanical aortic valve conduit due to abscess formation. Despite extensive surgery and anti-fungal treatment, the patient had a cerebral hemorrhage 4 months post-surgery prompting a diagnosis of recurrent prosthetic valve endocarditis and fungemia.

SUBMITTER: Uhrin GB

PROVIDER: S-EPMC4731950 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Recurrent prosthetic valve endocarditis caused by Aspergillus delacroxii (formerly Aspergillus nidulans var. echinulatus).

Uhrin Gábor Balázs GB Jensen Rasmus Hare RH Korup Eva E Grønlund Jens J Hjort Ulla U Moser Claus C Arendrup Maiken Cavling MC Schønheyder Henrik Carl HC

Medical mycology case reports 20151219

We report Aspergillus delacroxii (formerly Aspergillus nidulans var. echinulatus) causing recurrent prosthetic valve endocarditis. The fungus was the sole agent detected during replacement of a mechanical aortic valve conduit due to abscess formation. Despite extensive surgery and anti-fungal treatment, the patient had a cerebral hemorrhage 4 months post-surgery prompting a diagnosis of recurrent prosthetic valve endocarditis and fungemia. ...[more]

PMID: 26909244

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Prosthetic mitral valve Aspergillus fumigatus endocarditis.

Project description:Aspergillus endocarditis is a fatal source of valvular infection with a near 100 % mortality rate if pharmacotherapy and valve-replacement surgery are not initiated swiftly after diagnosis. Complicating its diagnosis is the low yield for growth on standard blood culture and time requirements for molecular diagnostic tools to return a result. Aspergillus endocarditis of the mitral valve presents as valvular vegetations that reduce the caliber of the mitral valve and can cause syncope as in the case of mitral stenosis with subsequent valve failure, left atrial enlargement, and prospective cardiovascular failure. Reports of the management of Aspergillus endocarditis after serial mitral valve replacement are not prominent in the literature. We report the case of a 41-year-old female with previous mitral valve prosthesis who received a second prosthetic mitral valve after a syncopal episode. Vegetations resembling thrombi were noted on transesophageal echocardiogram, diagnosed as Aspergillus fumigatus endocarditis, and successfully treated with antifungal therapy in conjunction with removal of her dysfunctional prosthesis.

| S-EPMC7332524 | biostudies-literature

Prosthetic valve endocarditis caused by Pseudomonas luteola.

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| S-EPMC1274313 | biostudies-literature

Successful Medical Treatment of Prosthetic Mitral Valve Endocarditis Caused by Brucella abortus.

Project description:Although Brucella endocarditis is a rare complication of human brucellosis, it is the main cause of the mortality in this disease. Traditionally, the therapeutic approach to endocarditis caused by Brucella species requires a combination of antimicrobial therapy and valve replacement surgery. In the literature, only a few cases of mitral prosthetic valve endocarditis caused by Brucella species have been successfully treated without reoperation. We present a case of a 42-year-old man with a prosthetic mitral valve infected by Brucella abortus who was cured solely by medical treatment.

| S-EPMC4248619 | biostudies-literature

Native valve fungal endocarditis caused by Aspergillus fumigatus: management dilemma.

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Prosthetic valve endocarditis caused by Streptobacillus moniliformis: a case of rat bite fever.

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Fatal Prosthetic Valve Endocarditis Due to <i>Aspergillus flavus</i> in a Diabetic Patient.

Project description:Aspergillus endocarditis (AE) accounts for a-quarter of all fungal endocarditis, mainly in immunocompromised hosts prior to heart-valve surgery with high mortality, even with treatment. Herein, we report a rare case of AE in a diabetic 60-year-old woman with a history of redo mitral valve prosthesis suspecious of acute endocarditis. She underwent second redo surgical mitral valve replacement in combination with mechanical aortic valve replacement. Blood cultures were negative. The explanted valve and vegetation were subjected to identification. Grown colonies were identified as Aspergillus flavus, based on conventional and molecular methods. Despite the administration of liposomal amphotericin B and improvement in her general condition shortly after initiation of therapy, the patient passed away. As AE is a late consequence of redo prosthetic valve replacement, extended follow-up, early diagnosis, repeating valve-replacement surgeries, and timely selective antifungal treatments are warranted.

| S-EPMC7360421 | biostudies-literature

Prosthetic valve endocarditis due to Propionibacterium acnes.

Project description:ObjectivesTo study the characteristics of patients with Propionibacterium acnes prosthetic valve endocarditis (PVE) who required surgery.MethodsA single-centre retrospective cohort study was conducted during a 7-year period. Patients with definite infective P. acnes endocarditis, according to the modified Duke criteria, were included. An extended culture protocol was applied. Information on medical health status, surgery, antibiotic treatment and mortality was obtained.ResultsThirteen patients fulfilled the criteria for P. acnes endocarditis (0.53% of 2466 patients with valve replacement in a 7-year period). All patients were male and had a previous valve replacement. The health status of patients was poor at diagnosis of P. acnes PVE. Most patients (11 of 13, 85%) were admitted with signs of heart failure due to a significant paravalvular leak; 2 of 13 (15%) patients presented with septic emboli. Twelve patients needed redo surgery, whereas one could be treated with antibiotic therapy only. The time between the index surgery and presentation with P. acnes PVE varied between 5 and 135 months (median 26.5 months). Replacement and reconstruction of the dysfunctional valve and affected anatomical structures was mainly performed with a mechanical valve (n = 5, 42%) or a (bio-) Bentall prosthesis (n = 6, 50%). Antibiotic therapy consisted of penicillin with or without rifampicin for 6 weeks after surgery. The mortality in this series was low (n = 1, 8%) and no recurrent endocarditis was found during a median follow-up of 38 months.ConclusionsPropionibacterium acnes PVE is a rare complication after valve surgery. Redo surgery is often required. Treatment of the dysfunctional prosthetic aortic valve most often consists of root replacement, in combination with antibiotic therapy.

| S-EPMC4986751 | biostudies-literature

Relapse of Enterococcus hirae prosthetic valve endocarditis.

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| S-EPMC3067697 | biostudies-literature

Prosthetic valve endocarditis caused by a Pasteurella dagmatis-like isolate originating from a patient's cat.

Project description:Pasteurella species are part of the oral flora of cats and dogs. In humans, they are frequently found in infected animal bite wounds, but invasive infections are rare. This is the first report of prosthetic-valve endocarditis with a Pasteurella dagmatis-like species, which originated from the patient's cat.

| S-EPMC3421489 | biostudies-literature

Prosthetic valve endocarditis caused by <i>Campylobacter fetus</i>: a case report and literature review.

Project description:Campylobacter fetus is a Gram-negative bacillus typically associated with bacteremia in immunocompromised patients. Prosthetic valve endocarditis (PVE) is a serious complication of prosthetic valve surgery, with a high mortality rate if not treated promptly. We present a rare case of PVE caused by C. fetus. A man in his mid-60s presented to the Emergency Department with a fever and showed elevated C-reactive protein concentrations. He had prosthetic mitral and aortic valve replacement surgery 15 years previously. Gram-negative rods were detected in a blood culture. These rods were identified as C. fetus using matrix-assisted laser desorption ionization time-of-flight mass spectrometry and confirmed by 16S rRNA sequencing. The patient was treated with gentamicin and imipenem, and underwent valve replacement surgery. C. fetus was isolated in a left atrial appendage swab obtained during the surgery. Follow-up blood cultures were negative after treatment. However, after a cardiac arrest event, the patient's general condition deteriorated, and he died. To the best of our knowledge, this is the first case of PVE caused by C. fetus in Korea and the second fatality to date. This case highlights the importance of considering C. fetus as a potential cause of PVE, even in patients without known risk factors.

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