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Biometric and corneal characteristics in marfan syndrome with ectopia lentis. J Fr Ophtalmol 2024; 47:104096. [PMID: 38382278 DOI: 10.1016/j.jfo.2024.104096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/21/2023] [Indexed: 02/23/2024]
Abstract
PURPOSE To describe the biometric and corneal characteristics of patients with Marfan Syndrome (MFS) and ectopia lentis. STUDY DESIGN Observational, descriptive, prospective study. Subjects Individuals with MFS with ectopia lentis (EL). METHODS Fourty-four eyes of 23 patients underwent Scheimpflug analysis using the Pentacam (Oculus, Wetzlar, Germany), axial length (AL) using the IOL master 700 (Carl Zeiss AG, Oberkochen, Germany), endothelial cell count (ECC) using the CEM-350 (NIDEK, Maihama, Japan) and corneal biomechanics evaluation with the Ocular Response Analyzer: ORA (Reichert Ophthalmic Instruments, Buffalo, New York, USA) and Corvis (Oculus, Wetzlar, Germany). Statistical analysis was performed using IBM SPSS Statistics 25.0. RESULTS The direction of lens subluxation was most frequently supero-nasal 40.9% (18/44). Mean keratometry (Km) was 40.22±1.76 Diopters (D); mean corneal astigmatism was 1.68±0.83 D; total corneal aberrometric root mean square (RMS) was 2.237±0.795μm; higher-order aberrations (HOAs) RMS were 0.576±0.272μm; mean AL was 25.63±3.65mm; mean ECC was 3315±459cell/mm2; mean CBI was 0.13±0.24, mean TBI was 0.31±0.25, mean posterior elevation was 4.3±4.5μm; mean total corneal densitometry was 16.0±2.14 grayscale units (GSU). CONCLUSION Increased axial length, flatter and thicker corneas with higher regular astigmatism, normal densitometry, normal corneal biomechanical indices and normal posterior elevation were observed in Marfan patients with EL.
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Super Accelerated Cardiac Allograft Vasculopathy. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.1225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Heartmate 3 and Home Hemodialysis as a Bridge to Heart-Kidney Transplantation. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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Bladder EpiCheck methylation test predicts short- and long-term HG events in bladder cancer patients treated with bacillus Calmette-Guérin. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00468-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Upper tract urothelial carcinoma in patients with DNA mismatch repair genes mutations. Clinicopathologic characteristics, management, and recurrence patterns. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00549-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Utility of bladder EpiCheck methylation test for the surveillance of bladder cancer patients treated with bacillus Calmette-Guérin. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)00165-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Investigation of Inherited Chromosomally Integrated Human Herpesvirus-6A+ and -6B+ in a Patient with Ulipristal Acetate-Induced Fulminant Hepatic Failure. Viruses 2021; 14:v14010062. [PMID: 35062266 PMCID: PMC8778448 DOI: 10.3390/v14010062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/23/2021] [Accepted: 12/27/2021] [Indexed: 01/01/2023] Open
Abstract
Inherited chromosomally integrated (ici) human herpes virus 6 (HHV-6) is estimated to occur in 0.6–2.7% of people worldwide. HHV-6 comprises two distinct species: HHV-6A and HHV-6B. Both HHV-6A and HHV-6B integration have been reported. Several drugs are capable of activating iciHHV-6 in tissues, the consequences of which are poorly understood. We report herein a case of a woman with iciHHV-6A+ and iciHHV-6B+, who developed ulipristal acetate (a selective progesterone receptor modulator)-induced fulminant hepatic failure that required liver transplantation. We confirmed the presence of ~one copy per cell of both HHV-6A and HHV-6B DNA in her hair follicles using multiplex HHV-6A/B real-time PCR and demonstrated the Mendelian inheritance of both iciHHV-6A and iciHHV-6B in her family members over three generations. Because of the rarity of this presentation, we discuss herein the possible links between reactivated HHV-6 from iciHHV-6A and/or iciHHV-6B and adverse drug reactions, suggesting that iciHHV-6 could be screened before the introduction of any hepatotoxic drugs to exclude HHV-6 active disease or combined idiosyncratic drug-induced liver injury in these patients.
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No SARS-CoV-2 reinfection among staff health-care workers: Prospective hospital-wide screening during the first and second waves in Paris. J Clin Virol 2021; 145:104999. [PMID: 34695725 PMCID: PMC8525071 DOI: 10.1016/j.jcv.2021.104999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 09/28/2021] [Accepted: 10/16/2021] [Indexed: 11/27/2022]
Abstract
Objectives Risk of reinfection with SARS-CoV-2 among health-care workers (HCWs) is unknown. We assessed the incidence rate of SARS-CoV-2 reinfection in the real-life setting of a longitudinal observational cohort of HCWs from the Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, France, during the first and second waves of COVID-19 epidemic. Methods From March to December 2020, HCWs were subjected to molecular and serology testing of SARS-CoV-2. Reinfection was defined as a positive test result during the first wave, either by serology or PCR, followed by a positive PCR during the second wave. Evolution of COVID-19 status of HWCs was assessed by a Sankey diagram. Results A total of 7765 tests (4579 PCR and 3186 serology) were carried out and 4168 HCWs had at least one test result during the follow-up period with a positivity rate of 15.9%. No case of reinfection during the second wave could be observed among 102 positive HCWs of the first wave, nor among 175 HCWs found positive by PCR during the second wave who were negative during the first wave. Conclusions SARS-CoV-2 reinfection was not observed among HCWs, suggesting a protective immunity against reinfection that lasts at least 8 months post infection.
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Usefulness of Plasma SARS-CoV-2 RNA Quantification by Droplet-based Digital PCR to Monitor Treatment Against COVID-19 in a B-cell Lymphoma Patient. Stem Cell Rev Rep 2021; 17:296-299. [PMID: 33403488 PMCID: PMC7785125 DOI: 10.1007/s12015-020-10107-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/03/2020] [Accepted: 12/06/2020] [Indexed: 12/17/2022]
Abstract
We report the case of an HIV-1-infected patient, treated with anti-CD20 monoclonal antibody for a B-cell lymphoma previously treated by autologous stem cell transplant. He suffered from chronic COVID19 and we monitored by plasma SARS-CoV-2 RNA by highly sensitive droplet-based digital PCR technology (ddPCR). Under tocilizumab therapy and despite a first clinical improvement biologically associated with decreasing inflammatory markers, a slight increase of SARS-CoV-2 RNAaemia quantified by ddPCR was highlighted, confirming the absence of viral efficacy of this treatment and predicting the subsequent observed deterioration. As expected, his complete recovery, finally achieved after COVID-19 convalescent plasmatherapy, strictly paralleled plasma SARS-CoV-2 RNA clearance. With these results, we confirmed the interest of SARS-CoV-2 RNAaemia monitoring by ddPCR in COVID-19 patients, particularly during treatment, and firstly showed that this new and specific biomarker could be helpful to select eligible patient for anti-IL6 receptors therapy considering the variable levels of efficacy recently observed with such therapy.
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Correction: Permissivity of Primary Human Hepatocytes and Different Hepatoma Cell Lines to Cell Culture Adapted Hepatitis C Virus. PLoS One 2019; 14:e0223022. [PMID: 31536586 PMCID: PMC6752794 DOI: 10.1371/journal.pone.0223022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Splanchnic vein thrombosis in cholangiocarcinoma. A retrospective observational study. Donostia University Hospital. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Prevalence of hepatitis E virus and reassessment of HIV and other hepatitis virus seroprevalences among French prison inmates. PLoS One 2019; 14:e0218482. [PMID: 31242210 PMCID: PMC6594613 DOI: 10.1371/journal.pone.0218482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 06/03/2019] [Indexed: 12/28/2022] Open
Abstract
Background Prison inmates are considered a high-risk population for blood-borne and enterically transmitted infections before and during their imprisonment. Hepatitis E virus (HEV) prevalence is unknown among French inmates, whereas a reassessment of human immunodeficiency virus (HIV), hepatitis A virus (HAV), hepatitis B virus (HBV) and hepatitis C virus (HCV) prevalences is required to describe the epidemiologic evolution in this high-risk population. Methods A prospective survey was conducted from June to December 2017 in Fresnes prison, a penitentiary center with 2,581 inmates. In addition to HIV, HAV, HBV and HCV testing, which is offered to all patients at admission, we systematically offered HEV screening. Retrospective serological data for HIV, HBV and HCV, collected annually from 2014 to 2017, were also used to assess evolution. Results In 2017, 1,093 inmates were screened for HEV, HIV, HAV, HBV and HCV. Prevalences in this population were 8.2%, 1.3%, 62.7%, 1.9% and 2.9%, respectively. HEV seroprevalence increased with age (p<0.0001) and was higher among Eastern Europe born inmates (p<0.0001). Between 2014 and 2017, HIV seroprevalence remained steady, while a decrease in HBV and HCV seroprevalence was observed. Conclusions Compared to the reported prevalence in French blood donors, HEV seroprevalence was remarkably low in French inmates. HIV, HAV, HBV and HCV prevalences among prisoners were higher than reported in the general population.
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Postoperative adjuvant and very early salvage radiotherapy after prostatectomy in high-risk prostate cancer patients can improve specific and overall survival. Clin Transl Oncol 2018; 21:355-362. [PMID: 30128953 DOI: 10.1007/s12094-018-1931-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 07/30/2018] [Indexed: 11/25/2022]
Abstract
PURPOSE Adjuvant radiotherapy (ART) for biochemical relapse (BR) after radical prostatectomy (RP) showed increased disease-free survival (DFS) in three previous randomized trials. Retrospective phase II trials evaluated if early salvage RT (ESRT) is equivalent to ART. Our study aims to compare ART and ESRT to salvage RT. MATERIALS AND METHODS We compared RP plus ART and ESRT versus SRT. Indication for RT was made by PSA determination after RP: ART when PSA ≤ 0.2 ng/ml, ESRT when PSA ≤ 0.3 after PSA rise from 0.0 to SRT PSA ≥ 0.3. The cause of death of each patients was analyzed, DFS, cause-specific survival (CSS) overall survival (OS) and metastasis-free survival (MFS) in relation to RT intention. RESULTS Between 1993 and 2008, 204 patients with a median age of 65 years (44-75) were treated. The median follow-up was 160 months (28.1-273.3). At diagnosis, 89.7% had localized clinical stages and 90.2% had Gleason (G) ≤ 7. The median PSA was 10 (range 4-101). The postoperative G was ≥ 7 in 66.2%; 56.4% had ≥ 2 positive margins; 29.4% received ART, 20% ESRT and 59.3% SRT. The DFS for ART, ESRT and SRT was 74, 56 and 39% with significant differences between the three groups (p < 0.001). ART + ESRT were combined versus SRT; for the DFS, the significant differences (p < 0.001) remained 67% versus 39%. Positive margins, pT3 and pre-RT PSA were significant factors on multivariate analysis. The CSS in the ART + ESRT group was 92 vs. 78% in the SRT group (p < 0.05). OS was 69% in ART + ESRT vs. 57% in SRT (p < 0.05). MFS was 82.7% in ART + ESRT vs. 67.4% in SRT. CONCLUSIONS In this study the ART + ESRT presented benefits versus SRT in DFS, CSS, OS and MFS.
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Clinical performance of the VERIS HCV assay for hepatitis C virus RNA quantification. J Clin Virol 2017; 93:1-7. [PMID: 28550721 DOI: 10.1016/j.jcv.2017.05.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 05/10/2017] [Accepted: 05/13/2017] [Indexed: 12/28/2022]
Abstract
BACKGROUND Diagnosis of hepatitis C virus (HCV) infection and treatment monitoring rely on detection/quantification of HCV RNA and real-time polymerase chain reaction (PCR) techniques are expected to equivalently quantify the different HCV genotypes. OBJECTIVE The clinical performance of the VERIS HCV assay for HCV RNA quantification was compared to that of the Abbott RealTime HCV assay. STUDY DESIGN Qualitative concordance and quantitative comparison were evaluated on a first panel of 286 clinical samples containing HCV genotypes 1-6. Forty additional genotype 4 samples were tested to explore genotype 4 HCV RNA underquantification. RESULTS Qualitative discrepancies were observed for low viral loads (<2 log10 IU/mL) in patients under antiviral therapy and would not have had any impact on patients' management with the current guidelines for the monitoring of patients on direct-acting antivirals (DAAs). Quantification results were well correlated (R2=0.89) with an overall minimal quantification bias (mean VERIS - Abbott difference) of -0.09 log10 IU/mL. Quantification agreement for genotypes 1, 2 and 3 samples was excellent, but reached -0.57 log10 IU/mL for 46 genotype 4 samples. A lower quantification bias of -0.24 log10 IU/mL was observed when testing 40 additional genotype 4 samples with a second reagent lot. Underquantification was not associated with 5' untranslated region (UTR) sequence polymorphisms but could be explained by 5' UTR RNA molecular modeling. CONCLUSION HCV RNA quantification by the VERIS HCV assay and the Abbott RealTime HCV assay was well correlated for all HCV genotypes, except genotype 4 where 5' UTR RNA folding may impact quantification. Nevertheless, this underestimation of HCV RNA levels had no impact on clinical use.
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281 small cell bladder cancer analysis from spanish institutions. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw373.30] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Effects of Heat Treatment Conditions on Fresh Taste and on Pectinmethylesterase Activity of Chilled Mandarin and Orange Juices. FOOD SCI TECHNOL INT 2016. [DOI: 10.1177/1082013205054291] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Juices from oranges, mandarins and hybrids were thermally treated in a plate exchanger at different conditions to evaluate the effects of treatment on fresh taste and on residual pectinmethylesterase (PME) activity. Freshness was significantly higher in fresh juices than in samples treated at 70°C or higher temperatures for 10 seconds of retention time, whereas no differences were found among samples heated at temperatures from 70 to 90°C for the same time, however at 95°C fresh taste decreased again. Residual PME activity was about 20% in samples treated at 70°C for 5, 10 and 20 seconds and in those heated at 80°C for 5 and 10 seconds, decreasing to 15%, also at 80°C, when retention time increased to 20 seconds. A drastic reduction to about 3% of residual activity was observed at 85°C for 10 seconds. Minimum activities of 0-1% corresponded to samples treated at 95°C. Considering the results of sensory and residual enzyme analyses, the treatment at 85°C for 10 seconds can be considered suitable. In these conditions fresh taste did not differ from that of juices treated at lower temperatures but residual enzyme activity was clearly smaller and acceptable for chilled juices, products of high quality but short shelf life. On the other hand, a deeper reduction of PME activity increasing the temperature to 95°C does not seem advisable since fresh taste decreases. Mandarin juices pasteurised at 85°C for 10 seconds and pasteurised again at the same conditions did not show a further decrease of fresh taste. Two heat treatments were usually applied when packing plants receive the juice from other factories.
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Book Reviews. FOOD SCI TECHNOL INT 2016. [DOI: 10.1106/108201302033030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Perfil descriptivo de néctares de melocotón. Evaluación de jueces y de atributos con el análisis de Procrustes generalizado/Sensory profile of peach nectars. Evaluation of assessors and attributes by generalized Procrustes analysis. FOOD SCI TECHNOL INT 2016. [DOI: 10.1177/108201329600200404] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A trained panel evaluated eight peach nectars by conventional descriptive profile analysis. Two- way analysis of variance showed significant (α ≤ 0.05) differences between samples for the 13 attributes evaluated. For nine of them, interaction between samples and assessors was also signif icant. The internal structure of the data was analysed by generalized Procrustes analysis. It was found that two attributes (granularity and aftertaste) were not good discriminators between samples and that two assessors (1 and 2) differed considerably from the average response. Principal component analysis was applied to the mean scores of samples, considering all attributes and computing means for all assessors and after removing the data for two attributes and two asses sors. Similar sample configurations were obtained in both cases. The two first axes explained more of the total variability in the second case (78.8% vs 69.6%).
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PS-074 Collaboration between primary care and hospital pharmacy services to evaluate the need for medication reconciliation in care transitions. Eur J Hosp Pharm 2016. [DOI: 10.1136/ejhpharm-2016-000875.558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Abstract
Carbohydrate binding agents (CBAs), including natural lectins, are more and more considered as broad-spectrum antivirals. These molecules are able to directly inhibit many viruses such as Human Immunodeficiency Virus (HIV), Hepatitis C Virus (HCV), Dengue Virus, Ebola Virus or Severe Acute Respiratory Syndrome Coronavirus through binding to envelope protein N-glycans. In the case of HIV, it has been shown that CBAs select for mutant viruses with N-glycosylation site deletions which are more sensitive to neutralizing antibodies. In this study we aimed at evaluating the HCV resistance to CBAs in vitro. HCV was cultivated in the presence of increasing Galanthus nivalis agglutinin (GNA), Cyanovirin-N, Concanavalin-A or Griffithsin concentrations, during more than eight weeks. At the end of lectin exposure, the genome of the isolated strains was sequenced and several potential resistance mutations in the E1E2 envelope glycoproteins were identified. The effect of these mutations on viral fitness as well as on sensitivity to inhibition by lectins, soluble CD81 or the 3/11 neutralizing antibody was assessed. Surprisingly, none of these mutations, alone or in combination, conferred resistance to CBAs. In contrast, we observed that some mutants were more sensitive to 3/11 or CD81-LEL inhibition. Additionally, several mutations were identified in the Core and the non-structural proteins. Thus, our results suggest that in contrast to HIV, HCV resistance to CBAs is not directly conferred by mutations in the envelope protein genes but could occur through an indirect mechanism involving mutations in other viral proteins. Further investigations are needed to completely elucidate the underlying mechanisms.
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Phylogenetic analysis of a circulating hepatitis C virus recombinant strain 1b/1a isolated in a French hospital centre. INFECTION GENETICS AND EVOLUTION 2015; 40:374-380. [PMID: 26444584 DOI: 10.1016/j.meegid.2015.09.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 09/25/2015] [Accepted: 09/26/2015] [Indexed: 12/15/2022]
Abstract
Genetic recombination is now a well-established feature of the hepatitis C virus (HCV) variability and evolution, with the recent identification of circulating recombinant forms. In Amiens University Hospital Centre (France), a discrepancy of genotyping results was observed for 9 samples, between their 5' untranslated region assigned to genotype 1b and their NS5B region assigned to genotype 1a, suggesting the existence of a recombinant strain. In the present study, clinical and phylogenetic analyses of these isolates were conducted and a putative relationship with previously identified HCV 1b/1a recombinants was investigated. The results revealed that all 9 strains displayed a breakpoint within the beginning of the core protein, were closely related between each other and with the H23 strain identified in Uruguay (Moreno et al., 2009). Then, the clinical characteristics of the 9 unlinked individuals infected with this 1b/1a genotype were analysed. This is the first report on the circulation, in a French population, of a HCV recombinant strain 1b/1a. The identification of this genotype in other patients and in other geographical zones would allow to further investigate its prevalence in the population and to better understand its molecular epidemiology.
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Comparison of intra-ocular pressure changes with liquid or flat applanation interfaces in a femtosecond laser platform. Sci Rep 2015; 5:14742. [PMID: 26439499 PMCID: PMC4593965 DOI: 10.1038/srep14742] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 08/05/2015] [Indexed: 02/06/2023] Open
Abstract
Cataract surgery is the most common surgical procedure and femtosecond laser assisted cataract surgery (FLACS) has gained increased popularity. FLACS requires the application of a suction device to stabilize the laser head and focus the laser beam accurately. This may cause a significant escalation in intra-ocular pressure (IOP), which poses potential risks for patients undergoing cataract surgery. In this study we aimed to assess the effect of the Ziemer LDV Z8 femtosecond cataract machine on IOP. We demonstrated through a porcine model that IOP was significantly higher with a flat interface but could be abrogated by reducing surgical compression and vacuum. Pressure was lower with a liquid interface, and further altering angulation of the laser arm could reduce the IOP to 36 mmHg. A pilot series in patients showed comparable pressure rises with the porcine model (30 mmHg). These strategies may improve the safety profile in patients vulnerable to high pressure when employing FLACS with the Ziemer LDV Z8.
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Predictors, pathological characteristics and outcomes of bladder recurrences following nephroureterectomy. Actas Urol Esp 2015; 39:488-93. [PMID: 25881516 DOI: 10.1016/j.acuro.2015.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 02/23/2015] [Accepted: 02/24/2015] [Indexed: 01/09/2023]
Abstract
OBJECTIVES To analyze the predictors for bladder recurrence (BR) after nephroureterectomy (NU) for upper urinary tract tumors (UUTT), as well as its pathological characteristics, outcomes and impact on survival. MATERIAL AND METHODS Retrospective study of 117 patients who underwent laparoscopic nephroureterectomy by UUTT between 2007-2012 at our center. The potential predictors for BR were analyzed using Cox regression; Kaplan-Meier curves were employed to study survival. RESULTS The sample was composed of 85 men (73%) and 32 women (27%), with a mean age of 70 years. After a mean follow-up of 26 months, 23 patients presented BR (19.6%). In the multivariate analysis, sex (p=.003; HR [female], 3.8) and the location of the UUTT in the distal ureter (p=.002; HR, 4.8) were independent predictors for BR. The median time to BR was 8 months. Fifteen patients presented a nonmuscle-invasive BR (65.2%), and 8 presented a muscle-invasive BR (34.8%). All BRs, except for 2, appeared during the first 2 years. Five cases with nonmuscle-invasive BR presented a new BR. Six patients with muscle-invasive BR died before it could be determined whether cause of death was the BR or an UUTT relapse. The onset of BR showed no repercussion on the survival of patients with UUTT. CONCLUSIONS Sex (female) and the location of the UUTT (distal ureter) are predictors for BR after NU. Patients with these characteristics might benefit from adjuvant intravesical treatment and closer monitoring. The onset for RV has no impact on the survival of patients with UUTT.
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The HLA-DQ2 genotype selects for early intestinal microbiota composition in infants at high risk of developing coeliac disease. Gut 2015; 64:406-17. [PMID: 24939571 DOI: 10.1136/gutjnl-2014-306931] [Citation(s) in RCA: 198] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Intestinal dysbiosis has been associated with coeliac disease (CD), but whether the alterations are cause or consequence of the disease is unknown. This study investigated whether the human leukocyte antigen (HLA)-DQ2 genotype is an independent factor influencing the early gut microbiota composition of healthy infants at family risk of CD. DESIGN As part of a larger prospective study, a subset (n=22) of exclusively breastfed and vaginally delivered infants with either high genetic risk (HLA-DQ2 carriers) or low genetic risk (non-HLA-DQ2/8 carriers) of developing CD were selected from a cohort of healthy infants with at least one first-degree relative with CD. Infant faecal microbiota was analysed by 16S rRNA gene pyrosequencing and real time quantitative PCR. RESULTS Infants with a high genetic risk had significantly higher proportions of Firmicutes and Proteobacteria and lower proportions of Actinobacteria compared with low-risk infants. At genus level, high-risk infants had significantly less Bifidobacterium and unclassified Bifidobacteriaceae proportions and more Corynebacterium, Gemella, Clostridium sensu stricto, unclassified Clostridiaceae, unclassified Enterobacteriaceae and Raoultella proportions. Quantitative real time PCR also revealed lower numbers of Bifidobacterium species in infants with high genetic risk than in those with low genetic risk. In high-risk infants negative correlations were identified between Bifidobacterium species and several genera of Proteobacteria (Escherichia/Shigella) and Firmicutes (Clostridium). CONCLUSIONS The genotype of infants at family risk of developing CD, carrying the HLA-DQ2 haplotypes, influences the early gut microbiota composition. This finding suggests that a specific disease-biased host genotype may also select for the first gut colonisers and could contribute to determining disease risk.
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Abstract
Simeprevir (TMC435, Olysio™), a second-generation hepatitis C virus (HCV) protease inhibitor, has been recently approved for the treatment of genotype 1 chronic hepatitis C in combination with pegylated interferon and ribavirin. This molecule has very different characteristics from first-generation protease inhibitors. Results from trials show that simeprevir is highly effective and safe, with few adverse events. We discuss the specific features of this new treatment option for HCV infection, in terms of in vitro data, pharmacological data, and clinical trials. We also discuss the impact of Q80K polymorphism at baseline. Studies evaluating interferon-free regimens with simeprevir are ongoing. Future combinations of two or more direct-acting antiviral agents, targeting different viral enzymes and with synergistic antiviral effects, will be approved, allowing treatment of pan-genotypic HCV with optimized sustained virologic responses. Simeprevir will undoubtedly be part of future treatment strategies.
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Focal therapy for prostate cancer. Rationale, indications and selection. Actas Urol Esp 2014; 38:405-12. [PMID: 24556193 DOI: 10.1016/j.acuro.2013.12.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Accepted: 12/19/2013] [Indexed: 01/22/2023]
Abstract
CONTEXT The great controversy surrounding the treatment of localized prostate cancer is related with its possibilities of radical treatment or active surveillance. The objective of this paper is to analyze the rationale selection among current focal therapy modalities regarding tumor and patient selection. EVIDENCE ACQUISITION Current articles about advantages and disadvantages on the treatment of localized prostate cancer as well as information about focal therapy regarding tumour selection, characteristics and indications cited in MEDLINE search were reviewed. SUMMARY OF EVIDENCE Focal therapy standardized criteria must be: low risk tumors, PSA<10-15, Gleason score ≤ 6, and unilateral presentation all supported by image-guided biopsy and nuclear magnetic resonance (NMR). There are doubts about the suitability of focal therapy in cases of bilateralism or in those with Gleason score 3+4 or PSA>15. CONCLUSIONS Focal therapy is an alternative for localized prostate cancer treatment. However, some aspects of their diagnosis and selection criteria should be defined by prospective studies which should provide knowledge about the indication for focal therapy.
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Gene expression profiles in prostate cancer: identification of candidate non-invasive diagnostic markers. Actas Urol Esp 2014; 38:143-9. [PMID: 24206626 DOI: 10.1016/j.acuro.2013.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 07/17/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To analyze gene expression profiles of prostate cancer (PCa) with the aim of determining the relevant differentially expressed genes and subsequently ascertain whether this differential expression is maintained in post-prostatic massage (PPM) urine samples. MATERIAL AND METHODS Forty-six tissue specimens (36 from PCa patients and 10 controls) and 158 urine PPM-urines (113 from PCa patients and 45 controls) were collected between December 2003 and May 2007. DNA microarrays were used to identify genes differentially expressed between tumour and control samples. Ten genes were technically validated in the same tissue samples by quantitative RT-PCR (RT-qPCR). Forty two selected differentially expressed genes were validated in an independent set of PPM-urines by qRT-PCR. RESULTS Multidimensional scaling plot according to the expression of all the microarray genes showed a clear distinction between control and tumour samples. A total of 1047 differentially expressed genes (FDR≤.1) were indentified between both groups of samples. We found a high correlation in the comparison of microarray and RT-qPCR gene expression levels (r=.928, P<.001). Thirteen genes maintained the same fold change direction when analyzed in PPM-urine samples and in four of them (HOXC6, PCA3, PDK4 and TMPRSS2-ERG), these differences were statistically significant (P<.05). CONCLUSION The analysis of PCa by DNA microarrays provides new putative mRNA markers for PCa diagnosis that, with caution, can be extrapolated to PPM-urines.
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Radical cystectomy and orthotopic bladder substitution: surgical tricks and management of complications. MINERVA UROL NEFROL 2013; 65:225-234. [PMID: 24091476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
AIM Bladder cancer is the second most common urological malignancy, with urothelial carcinoma (transitional cell carcinoma) comprising almost 90% of all primary bladder tumours. Over recent decades, radical cystectomy has emerged as the predominant treatment modality for patients with high-grade, invasive urothelial cancers and for those with less-invasive disease who fail treatment with bladder-preservation strategies. Bladder substitution following radical cystectomy has become increasingly common and in many centers has evolved to become the standard method of urinary diversion. The main goal of this paper is to review intraoperative considerations for patients undergoing radical cystectomy with a focus on issues specific to surgical tricks with neobladder construction and postoperative complications. METHODS Systematic literature review in Pubmed and Embase including bladder cancer, urinary diversion, neobladder, surgical technique and complications as key words. RESULTS Intraoperative techniques and modifications have made neobladder construction more amenable and the standard in suitable patients. Postoperative complications still occur in a significant number of patients but may be minimised and recognised early for better outcomes. CONCLUSION Orthotopic bladder substitution does not compromise oncological outcome and importantly can be performed with relatively good results regarding functional and quality of life issues. Modifications to intraoperative technique can assist with neobladder construction to aid better outcomes. Where possible orthotopic bladder substitution should be the diversion of choice. Of paramount importance is the active postoperative management and regular long-term follow-up of patients with an orthotopic bladder substitution.
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Electron microscopy of human peripheral nerves of clinical relevance to the practice of nerve blocks. A structural and ultrastructural review based on original experimental and laboratory data. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2013; 60:552-562. [PMID: 23938021 DOI: 10.1016/j.redar.2013.06.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Revised: 06/03/2013] [Accepted: 06/04/2013] [Indexed: 06/02/2023]
Abstract
AIM The goal is to describe the ultrastructure of normal human peripheral nerves, and to highlight key aspects that are relevant to the practice of peripheral nerve block anaesthesia. METHOD Using samples of sciatic nerve obtained from patients, and dural sac, nerve root cuff and brachial plexus dissected from fresh human cadavers, an analysis of the structure of peripheral nerve axons and distribution of fascicles and topographic composition of the layers that cover the nerve is presented. Myelinated and unmyelinated axons, fascicles, epineurium, perineurium and endoneurium obtained from patients and fresh cadavers were studied by light microscopy using immunohistochemical techniques, and transmission and scanning electron microscopy. Structure of perineurium and intrafascicular capillaries, and its implications in blood-nerve barrier were revised. RESULTS Each of the anatomical elements is analyzed individually with regard to its relevance to clinical practice to regional anaesthesia. CONCLUSIONS Routine practice of regional anaesthetic techniques and ultrasound identification of nerve structures has led to conceptions, which repercussions may be relevant in future applications of these techniques. In this regard, the ultrastructural and histological perspective accomplished through findings of this study aims at enlightening arising questions within the field of regional anaesthesia.
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Permissivity of primary human hepatocytes and different hepatoma cell lines to cell culture adapted hepatitis C virus. PLoS One 2013; 8:e70809. [PMID: 23940646 PMCID: PMC3734273 DOI: 10.1371/journal.pone.0070809] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2012] [Accepted: 06/24/2013] [Indexed: 01/16/2023] Open
Abstract
Significant progress has been made in Hepatitis C virus (HCV) culture since the JFH1 strain cloning. However, developing efficient and physiologically relevant culture systems for all viral genotypes remains an important goal. In this work, we aimed at producing a high titer JFH1 derived virus to test different hepatic cells’ permissivity. To this end, we performed successive infections and obtained a JFH1 derived virus reaching high titers. Six potential adaptive mutations were identified (I599V in E2, R1373Q and M1611T in NS3, S2364P and C2441S in NS5A and R2523K in NS5B) and the effect of these mutations on HCV replication and infectious particle production was investigated. This cell culture adapted virus enabled us to efficiently infect primary human hepatocytes, as demonstrated using the RFP-NLS-IPS reporter protein and intracellular HCV RNA quantification. However, the induction of a strong type III interferon response in these cells was responsible for HCV inhibition. The disruption of this innate immune response led to a strong infection enhancement and permitted the detection of viral protein expression by western blotting as well as progeny virus production. This cell culture adapted virus also enabled us to easily compare the permissivity of seven hepatoma cell lines. In particular, we demonstrated that HuH-7, HepG2-CD81, PLC/PRF/5 and Hep3B cells were permissive to HCV entry, replication and secretion even if the efficiency was very low in PLC/PRF/5 and Hep3B cells. In contrast, we did not observe any infection of SNU-182, SNU-398 and SNU-449 hepatoma cells. Using iodixanol density gradients, we also demonstrated that the density profiles of HCV particles produced by PLC/PRF/5 and Hep3B cells were different from that of HuH-7 and HepG2-CD81 derived virions. These results will help the development of a physiologically relevant culture system for HCV patient isolates.
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[Erectile dysfunction and its severity are related to the number of cardiovascular risk factors]. Actas Urol Esp 2012; 36:291-5. [PMID: 22266257 DOI: 10.1016/j.acuro.2011.11.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Revised: 11/28/2011] [Accepted: 11/29/2011] [Indexed: 10/28/2022]
Abstract
AIM Erectile dysfunction (ED) is a very common condition in the general population. ED is closely related to Hypertension (HT), Diabetes Mellitus (DM), Dyslipidemia (DLP) and Metabolic Syndrome (MS). This study has aimed to clarify whether the presence and severity of ED are related to the presence and number of cardiovascular risk factors (CVRF). MATERIAL AND METHODS We retrospectively analyzed the characteristics of 242 males referred to our center for a prostate biopsy from September 2007 to December 2009. The following variables were collected prospectively: age, height, weight, body mass index (BMI), AHT, DM, DLP and obesity (BMI<30 kg/m(2)). The Erection Hardness Score Questionnaire was used to assess erectile function. We analyzed the relation between the presence and severity of ED and the presence of HT, DM, DLP and obesity. We analyzed the clinical variables based on the presence or absence of ED and in relationship to its severity. RESULTS The presence of ED was related to HT (OR: 1.805 [1.128-2.887]; p=0.013), DM (OR 3.585 [1.613-7.966]; p=0.001) and Dyslipidemia (OR: 1.928 [1.062-3.500]; p=0.029). Erectile function was not related to Obesity (OR: 0.929 [0.522-1.632]; p=0.795). Patients with ED were more likely to have more CVRF (p=0.009) and the severity of ED was related to the presence of HT (p<0.001), DM (p<0.001), DLP (p=0.001) and the number of CVRF (p<0.001). CONCLUSIONS The presence and severity of ED correlate with the presence of HT, DM, Dyslipidemia and the number of DVRF.
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Erectile dysfunction and its severity are related to the number of cardiovascular risk factors. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.acuroe.2012.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Hypertension, dyslipidemia and overweight are related to lower testosterone levels in a cohort of men undergoing prostate biopsy. Int J Impot Res 2012; 24:110-3. [PMID: 22258063 DOI: 10.1038/ijir.2011.55] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Testosterone deficiency syndrome (TDS) is a clinical and biochemical entity related to sexual and cardiovascular health. Hypertension, diabetes mellitus (DM), dyslipidemia and overweight are four clinical factors strongly related to cardiovascular illnesses. The aim of our study was to determine if the presence and number of cardiovascular risk factors was related to total testosterone levels and the presence of biochemical TDS. We retrospectively analyzed 384 patients referred to our center for prostate biopsy between September 2007 and December 2009. Variables age, height, weight, body mass index (BMI), tobacco use, alcohol intake, hypertension, DM, dyslipidemia (hypercholesterolemia/hypertriglyceridemia) and overweight (BMI>25) were recorded prospectively. Hormonal profile was determined as part of our clinical protocol. We used 231 and 346 ng dl(-1) as total testosterone cut-points (8-12 nmol l(-1)) for diagnosis of biochemical TDS, following ISA-ISSAM-EAU Guidelines. We analyzed the relationship between testosterone levels and the presence of hypertension, DM, dyslipidemia and overweight, and with the number of these cardiovascular risk factors. Mean age was 66 ± 8 years. Prevalence of TDS was 6.5% within the 231 ng ml(-1) cutoff point and 28.4% for the 346 ng dl(-1) cutoff point. Levels of testosterone were related to hypertension (P=0.007), dyslipidemia (P=0.013), overweight (P=0.036) and the number of cardiovascular risk factors (P=0.018). The prevalence of TDS in our population is comparable to data from international studies. Testosterone levels decrease as the number of cardiovascular risk factors rise.
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[Pioneer experience in Spain with LSSS nephrectomy in living donor]. Actas Urol Esp 2011; 35:559-62. [PMID: 21696861 DOI: 10.1016/j.acuro.2011.04.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Accepted: 04/16/2011] [Indexed: 12/28/2022]
Abstract
INTRODUCTION LESS surgery (Laparoendoscopic single site surgery) is a surgical technique that aims to perform intraabdominal surgery using a single site entry, allowing for reduction in the number and size of the incisions, achieving better esthetic results with at least the same functional outcomes as with the conventional laparoscopic surgery. MATERIAL AND METHODS We present the first experience of LESS living donor nephrectomy carried out by a totally European team. To perform it, a Quadport® device was placed through a 4 cm long paraumbilical incision. RESULTS The nephrectomy was performed using the standards of conventional laparoscopic surgery, with the use of a precurved instrument in the left hand and straight instruments in the right. After bagging the kidney, the artery and vein were sectioned after clipping, allowing for rapid extraction of the organ through the same incision, with warm ischemia of 3.30" and 2.47," respectively. CONCLUSION Living donor nephrectomy using the LESS technique is feasible and can be considered a good option for obtaining live donor kidney grafts in males. The application of said surgical in living kidney donor can increase the rate of donation, by reducing morbidity and improving the esthetic results with the same outcome for the donor as for the recipient.
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Audit of an Initial 100 Cases of Laparoscopic Live Donor Nephrectomy. Transplant Proc 2010; 42:3437-9. [DOI: 10.1016/j.transproceed.2010.06.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2009] [Revised: 04/23/2010] [Accepted: 06/10/2010] [Indexed: 11/26/2022]
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[Post-renal transplantation intermittent anuria secondary to calcified granuloma of the neomeatus]. Actas Urol Esp 2010; 34:739-740. [PMID: 20800044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
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Anuria intermitente postrasplante renal secundaria a granuloma calcificado del neomeato. Actas Urol Esp 2010. [DOI: 10.4321/s0210-48062010000800017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Third and Fourth Kidney Transplant: Still a Reasonable Option. Transplant Proc 2010; 42:2498-502. [DOI: 10.1016/j.transproceed.2010.04.064] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Revised: 03/11/2010] [Accepted: 04/01/2010] [Indexed: 01/16/2023]
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Carcinoma urotelial de tracto urinario superior: 114 casos con largo seguimiento. Actas Urol Esp 2010. [DOI: 10.4321/s0210-48062010000300003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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[Large series of 114 cases with long-term follow-up of upper urinary tract urothelial tumors]. Actas Urol Esp 2010; 34:232-237. [PMID: 20416239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
PURPOSE Upper urinary tract urothelial carcinoma (UUTUC) represents 5% of all urothelial tumors and has uncertain prognostic. Exist few series which describes clinical-pathological parameters of tumor progression. The aim of this study is to evaluate clinical and pathological parameters and determine their value as prognostic factors of tumor progression and cancer-specific survival. MATERIAL AND METHODS Retrospective analysis of 114 cases of radical nephroureterectomy or partial ureterectomy collected between 1991-2004. Variables analyzed were age, sex, pathological tumor stage, histological tumor grade, CIS, tumor localization, multiplicity, bladder cancer history, pathological nodes and adjuvant chemotherapy. Spearman test was used for correlations. The probabilities of progression free survival and cancer-specific survival were calculated using Kaplan-Meier curves. In the multivariate analysis forward stepwise Cox regression was performed. RESULTS Pathological stage was: 15 pTa, 25 pT1, 26 pT2, 32 pT3 and 16 pT4. There were 10 G1 (9%), 52 G2 (45.5%) and 52 G3 (45.5%). Fifteen patients presented pathological nodes at the moment of diagnosis. Fourteen percent of 114 patients received adjuvant treatment (Platin-based regimen). Mean follow-up: 74.8 months; 30.7% of the patients developed tumor progression. Death from the disease: 24.6%. Five-years overall and cancer-specific survival: 59.3% and 72.9%, respectively. Five-year progression-free survival: 68%. Mean time of tumor progression: 12.2 months and 23.3 months for cancer-specific death. In the multivariate analysis the independent predictive variables of death and tumor progression were histological grade and pathological stage. CONCLUSIONS We demonstrated that histological grade and pathological stage constitute independent prognostic factors of tumor progression and cancer-specific survival in UUTUC.
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Abstract
Fresh juices from mandarin varieties, from hybrids, and from blends of these raw materials were evaluated by 100 consumers to determine acceptability, and by 10 trained panelists to quantify sensory attributes. Trained panelists found the juice from Clemenules richer in both mandarin and fresh flavor (odor and taste) whereas Nova juice presented minimum scores for these attributes. These aspects obviously affected the evaluation of acceptability by consumers, who preferred the juice from Clemenules (a Clementine variety) either alone or blended in major proportions with less preferred varieties such as Marisol, Hernandina (Clementines), Ortanique or Nova (hybrids). Nova juice was rejected by most consumers, but accepted by a small group of them. These results are of great importance for the European citrus industry since Clemenules is the most abundant variety and will constitute the main source of raw material for processing plants.
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Giant Renal Vein Aneurysm and Arteriovenous Fistula Secondary to Renal Artery Aneurysm. Eur J Vasc Endovasc Surg 2009. [DOI: 10.1016/j.ejvs.2008.11.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Replicated triangle and duo–trio tests: Discrimination capacity of assessors evaluated by Bayes’ rule. Food Qual Prefer 2008. [DOI: 10.1016/j.foodqual.2008.02.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Abstract
Chilled mandarin juices from four different commercial brands, two mandarin juices prepared in our pilot plant and two commercial orange juices included for comparative purposes were scored for acceptability by 100 consumers in a unique evaluation session. Independently, a descriptive profile of the same samples was performed by 10 trained assessors, who quantified 29 sensory attributes. Most consumers preferred mandarin juices although a small group (about 10%) found orange juices more acceptable. No differences in acceptability were observed between samples from diluted concentrates and from direct juice, either mandarin or orange. Among sensory attributes, maximum differences between samples were found for color, pulp (aspect and texture), mandarin odor, mandarin taste, bitterness and persistent taste.
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Segmentation of food consumers according to their correlations with sensory attributes projected on preference spaces. Food Qual Prefer 2008. [DOI: 10.1016/j.foodqual.2007.06.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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