Sandra Nasic The Signal Rar Extractor

Sandra Nasic The Signal Rar Extractor 4,2/5 6765reviewsSuche Du hast nach 'Ic' gesucht.Sandra Nasic The Signal Rar. More by Sandra Nasic Kill Drama II Phoenix 32 (Radio Edit) I Will Take You Home My City Is My Lab More Sandra Nasic Listen to The Signal now.

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.Louwagie, A. C.; Verwilghen, R. L.1973-07-01Mice were exposed to 850 or 975 rad of whole-body radiation; three hr later mice were given normal human bone marrow, infectious mononucleosis bone marrow, or cells from malignant blood diseases. The surviving mice were killed at day 9 and the spleen nodules were counted. Some mice were also given antihuman antilymphocytic serum (ALS).

In mice exposed to 975 rad, the highest survival was observed in mice grafted with infectious mononucleosis bone marrow, while none of the animals grafted with cells from malignant blood diseases survived 9 days. In mice exposed to 850 rad, grafting of normal or infectious mononucleosismore » bone marrow markedly decreased the survival.

Endogenous spleen colonies were induced in all animals grafted with normal or infectious mononucleosis bone marrow. (HLW)« less.Kuo, Tzu-Hsing; Williams, Julie A.2014-01-01Study Objectives: Sleep is known to increase as an acute response to infection. However, the function of this behavioral response in host defense is not well understood. To address this problem, we evaluated the effect of acute sleep deprivation on post- infection sleep and immune function in Drosophila. Setting: Laboratory. Participants: Drosophila melanogaster. Methods and Results: Flies were subjected to sleep deprivation before (early DEP) or after (late DEP) bacterial infection.

Relative to a non-deprived control, flies subjected to early DEP had enhanced sleep after infection as well as increased bacterial clearance and survival outcome. Flies subjected to late DEP experienced enhanced sleep following the deprivation period, and showed a modest improvement in survival outcome. Continuous DEP (early and late DEP) throughout infection also enhanced sleep later during infection and improved survival.

However, improved survival in flies subjected to late or continuous DEP did not occur until after flies had experienced sleep. During infection, both early and late DEP enhanced NFκB transcriptional activity as measured by a luciferase reporter (κB-luc) in living flies. Early DEP also increased NFκB activity prior to infection. Flies that were deficient in expression of either the Relish or Dif NFκB transcription factors showed normal responses to early DEP. However, the effect of early DEP on post- infection sleep and survival was abolished in double mutants, which indicates that Relish and Dif have redundant roles in this process. Conclusions: Acute sleep deprivation elevated NFκB-dependent activity, increased post- infection sleep, and improved survival during bacterial infection.

Citation: Kuo TH, Williams JA. Acute sleep deprivation enhances post- infection sleep and promotes survival during bacterial infection in Drosophila. SLEEP 2014;37(5):859-869.

PMID:24790264.Brijlal, S; Lakshmi, A V; Bamji, M S1999-12-01Studies in children and mice have shown that respiratory infection alters riboflavin metabolism, resulting in increased urinary loss of this vitamin. This could be due to mobilization of riboflavin from the liver to blood because liver Flavin adenine dinucleotide (FAD) levels were lowered in the mice during infection. To understand the functional implications of lowered hepatic FAD levels during respiratory infection, flavoprotein functions such as oxidative phosphorylation and beta-oxidation of the liver mitochondria were examined during infection in mice.

Weanling mice were fed either riboflavin-restricted or control diet for 18 days and then injected with a sublethal dose of Klebsiella pneumoniae. During infection, the state 3 respiratory rate with palmitoyl-L-carnitine and glutamate were significantly lowered (27-29%) in the riboflavin-restricted group, whereas in the control group 10% reduction was observed with palmitoyl-L-carnitine as substrate. A 22% reduction in the respiratory control ratio with palmitoyl-L-carnitine as substrate was observed during infection in the riboflavin-restricted group.

The beta-oxidation of palmitoyl-L-carnitine was significantly lowered (29%) in the riboflavin-restricted infected group. The results of the study suggest that the effects of infection on vital physiologic functions were more pronounced in the riboflavin-restricted mice than in the control mice.

(c) Elsevier Science Inc. 1999.Janus, Lydia M; Bleich, Andre2012-01-01Parvoviruses of mice, minute virus of mice (MVM) and mouse parvovirus (MPV), are challenging pathogens to eradicate from laboratory animal facilities.

Due to the impediment on rodent-based research, recent studies have focused on the assessment of re-derivation techniques and parvoviral potential to induce persistent infections. Summarizing recent data, this review gives an overview on studies associated with parvoviral impact on research, diagnostic methods, parvoviral persistence and re-derivation techniques, demonstrating the complex nature of parvovirus infection in mice and unfolding the challenge of controlling parvovirus infections in laboratory animal facilities.Ren, Wenkai; Luo, Wei; Wu, Miaomiao; Liu, Gang; Yu, Xinglong; Fang, Jun; Li, Teijun; Yin, Yulong; Wu, Guoyao2013-09-01Porcine circovirus type 2 (PCV2) causes reproductive failure in swine. As glutamine can enhance immune function in animals, this study was conducted with mice to test the hypothesis that dietary glutamine supplementation will improve pregnancy outcome in PCV2- infected dams. Beginning on day 0 of gestation, mice were fed a standard diet supplemented with 1.0% L-glutamine or 1.22% L-alanine (isonitrogenous control).

All mice were infected with PCV2 (2000 TCID50) on day 10 of gestation. On day 17 of gestation, six mice from each group were euthanized to obtain maternal tissues and fetuses for hematology and histopathology tests. The remaining mice continued to receive their respective diets supplemented with 1.0% L-glutamine or 1.22% L-alanine through lactation. The PCV2 virus was present in maternal samples (serum and lung) of most mice in the control group but was not detected in the glutamine-supplemented mice. Dietary glutamine supplementation reduced abortion, decreased fetal deaths, and enhanced neonatal survival.

The glutamine treatment also reduced concentrations of interleukin-6, while increasing concentrations of tumor necrosis factor-α and C-reactive protein, in the maternal serum of mice. Furthermore, glutamine supplementation attenuated microscopic lesions in maternal tissues (lung, spleen, and liver).

Collectively, these results indicate that dietary glutamine supplementation is beneficial for ameliorating reproductive failure in virus- infected mice. The findings support the notion that gestating dams require adequate amounts of dietary glutamine for the optimal survival and growth of embryos, fetuses, and neonates, and have important implications for nutritional support of mammals (including swine and humans) during gestation and lactation.Magden, Elizabeth R; Weiner, Cristina M; Gilliland, Janet C; DeGroote, Mary Ann; Lenaerts, Anne J; Kendall, Lon V2011-01-01Female BALB/cAnNCrl (n = 170; age, 6 to 9 wk) mice were infected by intravenous inoculation of 5 × 106 cfu Mycobacterium tuberculosis strain Erdman (ATCC 35801). Between day 52 and 5 mo after infection, 10 of the 170 mice infected according to this protocol developed torticollis, including mice in treatment groups that received combination antibiotic therapy of rifampin–pyrazinamide or moxifloxacin–rifampin–pyrazinamide. Torticollis did not develop in mice receiving isoniazid–rifampin–pyrazinamide therapy, nor was it present in the cohort of aerogenically infected mice. Affected mice were euthanized, and complete necropsy evaluation was performed on 4 mice.

Gross necropsy evaluation revealed typical tuberculosis lesions in lungs of infected mice. Histologic evaluation of tissues revealed granulomatous otitis media with intralesional acid-fast bacilli consistent with Mycobacterium tuberculosis. These cases represent an unusual finding specific to the intravenous mouse model of Mycobacterium tuberculosis and may represent a model of a similar condition in humans that is known as tuberculous otitis media. PMID:21439219.Magden, Elizabeth R; Weiner, Cristina M; Gilliland, Janet C; DeGroote, Mary Ann; Lenaerts, Anne J; Kendall, Lon V2011-03-01Female BALB/cAnNCrl (n = 170; age, 6 to 9 wk) mice were infected by intravenous inoculation of 5 × 10(6) cfu Mycobacterium tuberculosis strain Erdman (ATCC 35801).

Between day 52 and 5 mo after infection, 10 of the 170 mice infected according to this protocol developed torticollis, including mice in treatment groups that received combination antibiotic therapy of rifampin-pyrazinamide or moxifloxacin-rifampin-pyrazinamide. Torticollis did not develop in mice receiving isoniazid- rifampin-pyrazinamide therapy, nor was it present in the cohort of aerogenically infected mice. Affected mice were euthanized, and complete necropsy evaluation was performed on 4 mice. Gross necropsy evaluation revealed typical tuberculosis lesions in lungs of infected mice. Histologic evaluation of tissues revealed granulomatous otitis media with intralesional acid-fast bacilli consistent with Mycobacterium tuberculosis. These cases represent an unusual finding specific to the intravenous mouse model of Mycobacterium tuberculosis and may represent a model of a similar condition in humans that is known as tuberculous otitis media.Hurtrel, B; Lagrange, P H; Michel, J C1980-01-01Cyclophosphamide (CY) increased whereas the talc embedded in a calcium phosphate gel (TCP) decreased the susceptibility of mice to systemic candidiasis estimated by measuring mean survival time and 'renal infectivity' 12 h after challenge.

Transfers of plasma from CY- and TCP-treated mice did not modify cnadidiasis susceptibility of recipient mice. Granulopenia and granulocytosis induced respectively by CY and TCP were significantly correlated with susceptibility or resistance to candidiasis. Nevertheless, TCP produced significant reticuloendothelial stimulation which could be also correlated with TCP protection. Reticuloendothelial stimulation with associated granulopenia in TCP-CY-treated mice gave protection against Listeria monocytogenes challenge but not against Candida albicans. Thus, blood polymorphonuclear leukocytes seem to play the main role in natural resistance of mice to candidiasis. This was corroborated after injection of immunostimulants; a good correlation was found between C.

Albicans resistance and the induced granulocytosis.Liu, X; Jiao, Y; Cui, B; Gao, X; Xu, J; Zhao, Y2016-10-01The objective of this study was to investigate whether hepatitis B virus (HBV) infection plays a role in the regulation of autoimmunity for systemic lupus erythematosus (SLE). A total of 21 female BALB/c mice and 21 female HBV transgenic BALB/c mice aged two months were randomly divided into four groups: BALB/c mice, HBV(Tg) mice, pristane-injected BALB/c mice, and pristane-injected HBV(Tg) mice. BALB/c mice and HBV(Tg) mice were given an intraperitoneal injection of 0.5 ml normal saline, and the mice in the other two groups were given an intraperitoneal injection of 0.5 ml pristane.

ANA and anti-dsDNA levels in serum were detected by indirect immunofluorescence. Interleukin 2 (IL-2), IL-4, IL-6, IL-17, and TNF-α were measured by Luminex technology. The serum BAFF level was measured using an Elisa kit. Twenty-four weeks after pristane administration, kidneys were removed, dissected, and stained with hematoxylin and eosin and periodic-acid Schiff. At six months after injecting, the ANA titers in pristane-injected HBV(Tg) mice were significantly lower than pristane-injected BALB/c mice.

IL-17, TNF-α, and BAFF levels were significantly higher in pristane-injected BALB/c mice than BALB/c mice and pristane-injected HBV(Tg) mice. IL-2, IL-4, and IL-6 levels were much higher in pristane-injected HBV(Tg) mice than pristane-injected BALB/c mice.

In pristane-injected HBV(Tg) mice and HBV(Tg) mice, fewer glomerulonephritis changes were found in the kidneys. Our results showed that the incidence of SLE was much lower in HBV(Tg) mice, and that HBV infection helped the SLE mice survive high levels of inflammatory cytokines and severe renal damage. All these findings demonstrated the protective role of HBV in SLE patients via the immunoregulatory networks of the cytokines. © The Author(s) 2016.Kuo, Tzu-Hsing; Williams, Julie A2014-05-01Sleep is known to increase as an acute response to infection. However, the function of this behavioral response in host defense is not well understood. To address this problem, we evaluated the effect of acute sleep deprivation on post- infection sleep and immune function in Drosophila.

Drosophila melanogaster. Flies were subjected to sleep deprivation before (early DEP) or after (late DEP) bacterial infection. Relative to a non-deprived control, flies subjected to early DEP had enhanced sleep after infection as well as increased bacterial clearance and survival outcome. Flies subjected to late DEP experienced enhanced sleep following the deprivation period, and showed a modest improvement in survival outcome. Continuous DEP (early and late DEP) throughout infection also enhanced sleep later during infection and improved survival. However, improved survival in flies subjected to late or continuous DEP did not occur until after flies had experienced sleep.

During infection, both early and late DEP enhanced NFκB transcriptional activity as measured by a luciferase reporter (κB-luc) in living flies. Early DEP also increased NFκB activity prior to infection. Flies that were deficient in expression of either the Relish or Dif NFκB transcription factors showed normal responses to early DEP.

However, the effect of early DEP on post- infection sleep and survival was abolished in double mutants, which indicates that Relish and Dif have redundant roles in this process. Acute sleep deprivation elevated NFκB-dependent activity, increased post- infection sleep, and improved survival during bacterial infection.Choi, Jin-A; Jeong, Yu-Jin; Kim, Jae-Eun; Kang, Min-Jung; Kim, Jee-Cheon; Oh, Sang-Muk; Lee, Kyung-Bok; Kim, Dong-Hyun; Kim, Dong-Jae; Park, Jong-Hwan2016-02-01Although a Yersinia pseudotuberculosis (Yptb) lung infection model has been developed to study Y. Pestis pathogenesis, it is still necessary to establish a new animal model to mimic the pathophysiological features induced by Y. Pestis infection. Here, we provide a new lung infection model using the Yptb strain, IP2777, which displayed rapid spread of bacteria to the liver, spleen, and blood.

In addition, we examined whether TLR4 is involved in Yptb-induced pathogenesis in the lung infection model of mice we generated. Following lung infection of WT and TLR4-deficient mice with the Yptb strain IP2777, the survival rate, bacterial colonization, histopathology, and level of cytokines and chemokines in the lung, spleen, liver, and blood were analyzed. TLR4-deficient mice had a lower survival rate than WT mice in response to Yptb lung infection. Although the bacterial colonization and pathology of the lung were comparable between WT and TLR4-deficient mice, those of the spleen and liver were more severe in TLR4-deficient mice. In addition, the levels of TNF-α and CXCL2 in the liver and IL-6 and CXCL2 in the blood were higher in TLR4-deficient mice than in WT mice.

Our results demonstrate that TLR4 is necessary for optimal host protection against Yptb lung infection and TLR4-deficient mice may serve as a better genetic model of Yptb infection for mimicking Y. Pestis infection.

Copyright © 2016 Elsevier Ltd. All rights reserved.Lawrenz, Matthew B; denDekker, Ashley Eb; Cramer, Daniel E; Gabbard, Jon D; Lafoe, Kathryn M; Pfeffer, Tia L; Sotsky, Julie B; Vanover, Carol D; Ellis-Grosse, Evelyn J; Warawa, Jonathan M2017-01-01Abstract Background ZTI-01 (fosfomycin, FOS, for injection) is currently under US development to treat complicated urinary tract infections. ZTI-01 is unique compared with other antimicrobials in that it inhibits an early step in cell wall synthesis via covalent binding to MurA. ZTI-01 demonstrates broad in vitro activity against Gram-negative (GN) and -positive (GP) bacteria, including multidrug-resistant (MDR) organisms. Our study goals were to determine the efficacy of ZTI-01 as a monotherapy or in combination with meropenem against MDR Pseudomonas aeruginosa in a preclinical model of pulmonary infection. Methods 8 week old neutropenic mice were infected with a MDR strain of P.

Aeruginosa via intubation-mediated intratracheal (IMIT) instillation. 3 hours after instillation, mice received treatment with ZTI-01, meropenem, or ZTI-01 plus meropenem (combination therapy) q8h for 5 days. Mice were monitored every 8 hours for 7 days for development of disease and moribund animals were humanely euthanized. Lungs and spleens were harvested at euthanasia, or at 7 days for survivors, and processed for bacterial enumeration and development of pathology. Results Mice were challenged with a lethal dose of P. Aeruginosa UNC-D. Mock treated animals succumbed to infection within 36 hours post- infection.

Animals that received 6 g/kg/day ZTI-01 showed an increase in the MTD (52 hours) and 25% of the cohort were protected from lethal disease. Combining ZTI-01 with meropenem resulted in a significant increase in survival (≥75% of cohorts survived infection). Combination therapy also significantly decreased bacterial numbers in the lungs and inhibited dissemination to the spleens. Furthermore, animals receiving combination therapy were protected from significant inflammation in the lungs and the development of pneumonia. Conclusion Here we report that combination therapy with ZTI-01 and meropenem provides significant improvements in all disease manifestations over treatment with.de Souza Aguiar, Patricia; Furtado, Raquel Dutra; de Avila, Luciana Farias da Costa; de Lima Telmo, Paula; Martins, Lourdes Helena Rodrigues; Berne, Maria Elisabeth Aires; da Silva, Pedro Eduardo Almeida; Scaini, Carlos James2015-04-01Human toxocariasis is a neglected public health problem. Infection of humans generally results from the accidental ingestion of embryonated Toxocara canis eggs, but it is important to broaden knowledge about other forms of transmission.

This study aimed to demonstrate the prevalence of transmammary transmission in mice with chronic toxocariasis. BALB/c mice in groups 1 (G1) and 3 (G3) were inoculated with 1200 T. Canis eggs 60days before mating, whereas those of group 2 (G2) were not infected.

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After delivery, the G1 neonates were transferred to G2 females to be nursed, and vice versa. Thus, the mice generated by G2 females and breastfed by G1 females could be infected only during lactation.

In the G3 group, offspring were not exchanged. The search for T. Canis larvae in the bodies of the lactating females and their offspring was performed after weaning and at 60days old, respectively. The frequency of transmammary infection in the mice generated by G2 uninfected females and breastfed by G1 infected females was 19.8%, which was similar to that observed (19.6%) in the mice bred and fed by G3 females. The frequency of infection in the mice generated by G1 females and breastfed by G2 females was only 4.2%, which was lower than that of G1 (p=0.0064) and G3 (p=0.0062) groups. Transmammary infection by mice with chronic toxocariasis was found to be more prevalent than congenital infection. Copyright © 2014.

Published by Elsevier Ireland Ltd.Mancuso, Renzo; Osta, Rosario; Navarro, Xavier2014-12-01We assessed the predictive value of electrophysiological tests as a marker of clinical disease onset and survival in superoxide-dismutase 1 (SOD1)(G93A) mice. We evaluated the accuracy of electrophysiological tests in differentiating transgenic versus wild-type mice. We made a correlation analysis of electrophysiological parameters and the onset of symptoms, survival, and number of spinal motoneurons. Presymptomatic electrophysiological tests show great accuracy in differentiating transgenic versus wild-type mice, with the most sensitive parameter being the tibialis anterior compound muscle action potential (CMAP) amplitude. The CMAP amplitude at age 10 weeks correlated significantly with clinical disease onset and survival.

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Electrophysiological tests increased their survival prediction accuracy when evaluated at later stages of the disease and also predicted the amount of lumbar spinal motoneuron preservation. Electrophysiological tests predict clinical disease onset, survival, and spinal motoneuron preservation in SOD1(G93A) mice. This is a methodological improvement for preclinical studies. © 2014 Wiley Periodicals, Inc.Chaussee, Michael S.; Sandbulte, Heather R.; Schuneman, Margaret J.; DePaula, Frank P.; Addengast, Leslie A.; Schlenker, Evelyn H.; Huber, Victor C.2011-01-01Mortality associated with influenza virus super- infections is frequently due to secondary bacterial complications. To date, super- infections with Streptococcus pyogenes have been studied less extensively than those associated with S.

This is significant because a vaccine for S. Pyogenes is not clinically available, leaving vaccination against influenza virus as our only means for preventing these super- infections.

In this study, we directly compared immunity induced by two types of influenza vaccine, either inactivated influenza virus (IIV) or live, attenuated influenza virus (LAIV), for the ability to prevent super- infections. Our data demonstrate that both IIV and LAIV vaccines induce similar levels of serum antibodies, and that LAIV alone induces IgA expression at mucosal surfaces. Upon super- infection, both vaccines have the ability to limit the induction of pro-inflammatory cytokines within the lung, including IFN-γ which has been shown to contribute to mortality in previous models of super- infection.

Limiting expression of these pro-inflammatory cytokines within the lungs subsequently limits recruitment of macrophages and neutrophils to pulmonary surfaces, and ultimately protects both IIV- and LAIV-vaccinated mice from mortality. Despite their overall survival, both IIV- and LAIV-vaccinated mice demonstrated levels of bacteria within the lung tissue to levels that are similar to those seen in unvaccinated mice. Thus, influenza virus:bacteria super- infections can be limited by vaccine-induced immunity against influenza virus, but the ability to prevent morbidity is not complete. PMID:21440037.Kim, M J; Shin, C O; Im, K I1990-09-01Observations were made on the differences of cell-mediated responses in mice of three infection groups differently scheduled in their severity with pathogenic Acanthamoeba culbertsoni.

Infections were done by dropping 5 microliters saline suspension containing 3 x 10(3), 1 x 10(4), or 1 x 10(5) trophozoites, respectively. Amoebae were cultured axenically in CGV medium and inoculated into the right nasal cavity of C3H/HeJ mice aging around 6-8 weeks, under the anesthesia by intraperitoneal injection of secobarbital.

Delayed type hypersensitivity (DTH) responses in footpad and blastogenic responses of mouse spleen cells using (3H)-thymidine and the serum antibody titer were measured up to day 14 after infection, and natural killer cell activities were measured up to day 5 after infection. The results obtained in this study were as follows: 1.

The mice infected with 3 x 10(3) trophozoites showed mortality rate of 17%, and 34% in the mice infected with 1 x 10(4) trophozoites and 65% with 1 x 10(5) trophozoites. In regard to DTH responses in all experimental groups, the level increased on day 7 and declined on day 14 after infection, but their differences could not be noted between infected and control groups. The blastogenic responses of splenocytes treated with amoeba lysates and lipopolysaccharides (LPS) showed no difference from the control group.

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The blastogenic responses of splenocytes treated with concanavalin A were declined significantly in the experimental group as compared with the control group, but the blastogenic responses of splenocytes treated with polyinosinic acid were not different from the control group. There was also no difference among three infected groups. The cytotoxic activity of the natural killer cells was activated on day 1 after infection and declined to the level of control group on day 2 in all experimental groups. On day 5 after infection, the natural killer cell cytotoxicity was significantly suppressed as compared with the.Suh, M; Belosevic, M; Clandinin, M T2004-06-01We examined whether a ganglioside supplemented diet affected the course of Giardia muris infection in mice and survival of Giardia lamblia trophozoites in vitro. Female CD-1 mice were fed 1 of 5 experimental diets: standard lab chow as a control diet; semi-synthetic diets containing 20% (w/w) triglyceride based on the fat composition of a conventional infant formula; triglyceride diet; triglyceride diet containing a low level of ganglioside (0.1% w/w); and triglyceride diet containing a high level of ganglioside (1.0% w/w of diet). After 2 weeks of feeding, mice were inoculated with G.

Muris by gastric intubation and fed the experimental diets during the course of the infection. Cysts released in the faeces and trophozoites present in the small intestine were enumerated at various times post- infection. The average cyst output and the number of trophozoites during the course of the infection in mice fed ganglioside-containing diet were found to be significantly lower (3-log10 reduction) compared to animals fed control diets. The results of in vitro growth studies indicated that gangliosides may be directly toxic to the parasites. Thus, gangliosides have a protective effect against G. Muris infection in vivo and affect the survival of G.

Lamblia trophozoites in vitro.Mocchegiani, Roberto; Pergolini, Martina; Nataloni, Maura2007-03-01The purpose of this study was to assess the outcome of 15 patients who survived infective endocarditis with abscesses and other intracardiac complications. Abscesses were associated with native valve endocarditis in seven patients and prosthetic valve endocarditis in eight patients; fistulas were observed in three patients, and subaortic perforation in three patients.

Sensitivity for the detection of abscesses was 42.8% and 92.8% using transthoracic and transoesophageal echocardiography, respectively. Eleven patients underwent surgical treatment with no operative mortality, whereas four patients were only medically treated. During follow-up (mean 8.26 years), two patients died (13%) and six recurrences (five early and one late prosthetic valve endocarditis) required re-intervention for prosthesis dysfunction (40%); an improvement in New York Heart Association class in survivors and no changes in echocardiographic lesions were observed.