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Dimmock M, Mendes LC, Albluwi S, Paul C, Thomas C, Laurencin S, Cousty S. An oral manifestation of IBD: Pyostomatitis vegetant, about two cases. J Stomatol Oral Maxillofac Surg 2019; 120:375-377. [PMID: 31035024 DOI: 10.1016/j.jormas.2019.04.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 04/10/2019] [Accepted: 04/21/2019] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Pyostomatitis vegetan (PV) is often associated with chronic inflammatory bowel disease (IBD). OBSERVATION Two cases of PV are reported. Case number 1 is a 66-year-old patient treated with infliximab for ulcerative colitis (UC). He presented himself with rapidly progressing crusty, whitish, ulcerated lesions on his lips. Diagnosis of PV was made after biopsy. Regression of oral lesions was favourable with local application of dermocorticoids while continuing infliximab treatment. Case number 2 is a 20-year-old patient treated with infliximab for Crohn's disease (CD). She had cheilitis and angular cheilitis. Diagnosis of PV was made after biopsy. The evolution was favourable after treating with topical dermocorticoids. DISCUSSION PV is associated in 75% of the cases with IBD. The digestive check-up is systematic. Diagnostic delay is often noted. Topical dermocorticoids are the first line of therapy.
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Affiliation(s)
- M Dimmock
- Hospital Odontology Service, CHU de Toulouse, 31000 Toulouse, France; Oral Surgery Department, CHU Toulouse, 31000 Toulouse, France.
| | - L C Mendes
- Hospital Odontology Service, CHU de Toulouse, 31000 Toulouse, France; Oral Surgery Department, CHU Toulouse, 31000 Toulouse, France; Dental Faculty, Paul-Sabatier University, 31000 Toulouse, France
| | - S Albluwi
- Hospital Dermatology Service, CHU de Toulouse, 31000 Toulouse, France
| | - C Paul
- Hospital Dermatology Service, CHU de Toulouse, 31000 Toulouse, France
| | - C Thomas
- Hospital Odontology Service, CHU de Toulouse, 31000 Toulouse, France; Periodontology Department, CHU de Toulouse, 31000 Toulouse, France; Dental Faculty, Paul-Sabatier University, 31000 Toulouse, France
| | - S Laurencin
- Hospital Odontology Service, CHU de Toulouse, 31000 Toulouse, France; Periodontology Department, CHU de Toulouse, 31000 Toulouse, France; Dental Faculty, Paul-Sabatier University, 31000 Toulouse, France
| | - S Cousty
- Hospital Odontology Service, CHU de Toulouse, 31000 Toulouse, France; Oral Surgery Department, CHU Toulouse, 31000 Toulouse, France; Dental Faculty, Paul-Sabatier University, 31000 Toulouse, France
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Mendes LC, Ferreira PA, Miotto N, Zanaga L, Gonçales ESL, Pedro MN, Lazarini MS, Júnior FLG, Stucchi RSB, Vigani AG. Elastogram quality assessment score in vibration-controlled transient elastography: Diagnostic performance compared to digital morphometric analysis of liver biopsy in chronic hepatitis C. J Viral Hepat 2018; 25:335-343. [PMID: 29091321 DOI: 10.1111/jvh.12822] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/29/2017] [Indexed: 02/06/2023]
Abstract
Vibration-controlled transient elastography (VCTE) is widely used for noninvasive fibrosis staging in chronic hepatitis C. However, internal validation is based solely on variability and success rate and lacks reproducible quality indicators. We analysed the graphic representation of shear wave propagation in comparison with morphometric results of liver biopsy, eliminating observer variability bias. Individual elastograms were classified according to two morphologic criteria: extension of wave propagation (length of the graphic representation) and shear wave dispersal (level of parallelism displayed in the elastogram). Then, a score based on these criteria stratified the elastogram in classes I through III (highest to lowest technical quality). Liver stiffness results of each measurement were compared with collagen contents in liver biopsy by morphometric analysis. A total of 3243 elastograms were studied (316 patients). Digital morphometry in liver biopsy showed significant fibrosis in 66% of samples and advanced fibrosis in 31%. Elastogram quality analysis resulted in 1438 class I measurements (44%), 1070 class II (34%) and 735 class III. Area under the receiver operating curve (AUROC) for severe fibrosis according to class (I, II and III) was 0.941, 0.887 and 0.766, respectively. For advanced fibrosis, AUROCs were 0.977, 0.883 and 0.781, respectively. Spearman's correlation testing for all classes and levels of fibrosis demonstrated significant independent association (r2 = -.95, P < .01). Our study is the first to propose measurable quality criteria for VTCE and to validate them against objective assessment of liver biopsy through digital morphometric imaging analysis. We concluded that VCTE performance is significantly influenced by quality assessment of individual measurements. Considering these criteria in clinical practice may improve accuracy.
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Affiliation(s)
- L C Mendes
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - P A Ferreira
- Department of Infectious Diseases, Federal University of São Paulo, São Paulo, SP, Brazil
| | - N Miotto
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - L Zanaga
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - E S L Gonçales
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - M N Pedro
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - M S Lazarini
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - F L G Júnior
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - R S B Stucchi
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
| | - A G Vigani
- Department of Infectious Diseases, State University of Campinas, Campinas, SP, Brazil
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Miotto N, Mendes LC, Zanaga LP, Goncales ESL, Lazarini MSK, Pedro MN, Goncales FL, Stucchi RSB, Vigani AG. Predictors of early treatment discontinuation and severe anemia in a Brazilian cohort of hepatitis C patients treated with first-generation protease inhibitors. ACTA ACUST UNITED AC 2017; 49:S0100-879X2016000700702. [PMID: 27356107 PMCID: PMC4926529 DOI: 10.1590/1414-431x20165300] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Accepted: 03/24/2016] [Indexed: 12/14/2022]
Abstract
The aim of this study was to determine risk factors for adverse events (AE)-related treatment discontinuation and severe anemia among patients with chronic hepatitis C virus (HCV) genotype 1 infection, treated with first-generation protease inhibitor (PI)-based therapy. We included all patients who initiated treatment with PI-based therapy at a Brazilian university hospital between November 2013 and December 2014. We prospectively collected data from medical records using standardized questionnaires and used Epi Info 6.0 for analysis. Severe anemia was defined as hemoglobin ≤8.5 mg/dL. We included 203 patients: 132 treated with telaprevir (TVR) and 71 treated with boceprevir (BOC). AE-related treatment discontinuation rate was 19.2% and anemia was the main reason (38.5%). Risk factors for treatment discontinuation were higher comorbidity index (OR=1.85, CI=1.05-3.25) for BOC, and higher bilirubin count (OR=1.02, CI=1.01-1.04) and lower BMI (OR=0.98, CI=0.96-0.99) for TVR. Severe anemia occurred in 35 (17.2%) patients. Risk factors for this outcome were lower estimated glomerular filtration rate (eGFR; OR=0.95, CI=0.91-0.98) for patients treated with TVR, and higher comorbidity index (OR=2.21, CI=1.04-4.67) and ribavirin dosage (OR=0.84, CI=0.72-0.99) for those treated with BOC. Fifty-five (57.3%) patients treated with TVR and 15 (27.3%) patients treated with BOC achieved sustained virological response (SVR). Among patients who received TVR and interrupted treatment due to AE (n=19), only 26.3% (n=5) achieved SVR (P=0.003). Higher number of comorbidities, lower eGFR and advanced liver disease are associated with severe anemia and early treatment cessation, which may compromise SVR achievement.
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Affiliation(s)
- N Miotto
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - L C Mendes
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - L P Zanaga
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - E S L Goncales
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - M S K Lazarini
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - M N Pedro
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - F L Goncales
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - R S B Stucchi
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - A G Vigani
- Divisão de Moléstias Infecciosas, Departamento de Clínica Médica, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, SP, Brasil
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Carvalho ALF, Mendes LC, Cestari SP, Souza MCL. Nanocomposites of Recycled Polycarbonate/Nano-Zinc Oxide (rPC/nZno): Effect of Nanofiller and Gamma-Radiation on the Properties and as Barrier Against Ultraviolet Light. J Nanosci Nanotechnol 2017; 17:270-277. [PMID: 29620341 DOI: 10.1166/jnn.2017.12642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In order to promote barrier against ultraviolet radiation and increase of mechanical characteristics performance, nanocomposites of recycled polycarbonate/nano-zinc oxide (rPC/nZnO) with different nZnO content were prepared and submitted to doses of gamma-radiation (10–50 kGy). The nanocomposites were also exposed to Xenon light source in a weather chamber viewing to evaluate the action of nZnO against ultraviolet light. The rPC/nZnO nanocomposites were characterized by thermogravimetry (TGA), differential scanning calorimetry (DSC), wide angle X-ray diffraction (WAXD) and infrared spectrometry (FT-IR). There was a progressive reduction of the glass transition temperature (T g) and degradation temperatures, T onset and T max, as function of gamma-radiation dose and nano-zinc oxide content. The lowering of the thermal properties was attributed to the alcoholysis reaction between hydroxyl groups onto the nZnO surface and carbonate linkages of the rPC during the molten state. WAXD revealed a possible chains arrangement (induction of crystallinity) and/or segregation of chains size (scission of rPC chains generating oligomers) associated to the alcoholysis reaction. The action of gamma-radiation as crosslinking agent was not effective. The degree of swelling is zero on account of the stabilization of rPC radicals by oxygen during gamma-radiation exposure. Before exposure to UV light the carbonyl index (CI) show trend to decrease—corroborating the scission of the rPC carbonate bonds. After 100 hours of exposure a recovering of the CI was noticed. The result was associated to the free radicals recombination and esterification reactions. In some extent the combined action of nZnO and gamma-radiation as barrier to UV light was successful.
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Zanaga LP, Miotto N, Mendes LC, Stucchi RSB, Vigani AG. Treatment of hepatitis C virus genotype 3 infection with direct-acting antiviral agents. ACTA ACUST UNITED AC 2016; 49:e5504. [PMID: 27783808 PMCID: PMC5089232 DOI: 10.1590/1414-431x20165504] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 08/31/2016] [Indexed: 12/15/2022]
Abstract
Hepatitis C virus (HCV) genotype 3 is responsible for 30.1% of chronic hepatitis C infection cases worldwide. In the era of direct-acting antivirals, these patients have become one of the most challenging to treat, due to fewer effective drug options, higher risk of developing cirrhosis and hepatocellular carcinoma and lower sustained virological response (SVR) rates. Currently there are 4 recommended drugs for the treatment of HCV genotype 3: pegylated interferon (PegIFN), sofosbuvir (SOF), daclatasvir (DCV) and ribavirin (RBV). Treatment with PegIFN, SOF and RBV for 12 weeks has an overall SVR rate of 83–100%, without significant differences among cirrhotic and non-cirrhotic patients. However, this therapeutic regimen has several contraindications and can cause significant adverse events, which can reduce adherence and impair SVR rates. SOF plus RBV for 24 weeks is another treatment option, with SVR rates of 82–96% among patients without cirrhosis and 62–92% among those with cirrhosis. Finally, SOF plus DCV provides 94–97% SVR rates in non-cirrhotic patients, but 59–69% in those with cirrhosis. The addition of RBV to the regimen of SOF plus DCV increases the SVR rates in cirrhotic patients above 80%, and extending treatment to 24 weeks raises SVR to 90%. The ideal duration of therapy is still under investigation. For cirrhotic patients, the optimal duration, or even the best regimen, is still uncertain. Further studies are necessary to clarify the best regimen to treat HCV genotype 3 infection.
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Affiliation(s)
- L P Zanaga
- Divisão de Moléstias Infecciosas Departamento de Clínica Médica, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - N Miotto
- Divisão de Moléstias Infecciosas Departamento de Clínica Médica, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - L C Mendes
- Divisão de Moléstias Infecciosas Departamento de Clínica Médica, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - R S B Stucchi
- Divisão de Moléstias Infecciosas Departamento de Clínica Médica, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - A G Vigani
- Divisão de Moléstias Infecciosas Departamento de Clínica Médica, Universidade Estadual de Campinas, Campinas, SP, Brasil
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Mendes LC, Ralla SM, Vigani AG. Loss to follow-up in anti-HCV-positive patients in a Brazilian regional outpatient clinic. ACTA ACUST UNITED AC 2016; 49:e5455. [PMID: 27580006 PMCID: PMC5007075 DOI: 10.1590/1414-431x20165455] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 06/07/2016] [Indexed: 02/06/2023]
Abstract
Loss to follow-up (LF), which refers to patients who started care but voluntary stopped it, is a problem for patients with chronic disease. We aimed to estimate the rate of LF among patients seropositive for hepatitis C virus (HCV) and identify possible demographic and lifestyle risk factors associated with LF. From January 2009 through December 2012, 1010 anti-HCV-positive patients were included in the study. Among participants, 223 (22.1%) met the case definition for LF (more than 1-year elapsed since the last clinical appointment). Among 787 patients who remained in follow-up, 372 (47.2%) were discharged after undetectable HCV RNA, 88 (11.1%) were transferred (and remained on regular follow-up at the destination), and 25 (3.1%) died. According to univariate analysis, male gender, absence of a life partner, black race, psychiatric illness, previous alcohol abuse, previous or current recreational drug use, and previous or current smoking were significantly associated with LF. In multivariate analysis, absence of a life partner (adjusted odds ratio (AOR)=1.44; 95% confidence interval (95%CI)=1.03–2.02), black race (AOR=1.81, 95%CI=1.12–2.89), psychiatric illness (AOR=1.77, 95%CI=1.14–2.73), and the presence of at least one lifestyle risk factor (pertaining to substance abuse) (AOR=1.95, 95%CI=1.29–2.94) were independently associated with LF. Our study provides an estimate of the incidence of LF among anti-HCV-positive patients and identifies risk factors associated with this outcome. In addition, these results can help clinicians recognize patients at risk for LF, who require additional support for the continuity of care.
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Affiliation(s)
- L C Mendes
- Universidade Estadual de Campinas, Campinas, SP, Brasil.,Ambulatório Municipal de Hepatites Virais, Campinas, SP, Brasil
| | - S M Ralla
- Ambulatório Municipal de Hepatites Virais, Campinas, SP, Brasil
| | - A G Vigani
- Universidade Estadual de Campinas, Campinas, SP, Brasil.,Ambulatório Municipal de Hepatites Virais, Campinas, SP, Brasil
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Mendes LC, Ferreira PA, Miotto N, Zanaga L, Gonçales E, Lazarini MS, Gonçales FL, Stucchi RSB, Vigani AG. Transient elastography and APRI score: looking at false positives and false negatives. Diagnostic performance and association to fibrosis staging in chronic hepatitis C. ACTA ACUST UNITED AC 2016; 49:e5432. [PMID: 27533769 PMCID: PMC4988482 DOI: 10.1590/1414-431x20165432] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 05/12/2016] [Indexed: 12/17/2022]
Abstract
Although long regarded as the gold standard for liver fibrosis staging in chronic hepatitis C (CHC), liver biopsy (LB) implies both the risk of an invasive procedure and significant variability. The aim of this study was to evaluate the diagnostic performance for transient elastography (TE) and aspartate aminotransferase to platelet index (APRI) used alone and in combination compared to liver biopsy and to analyze false positive/negative results. Patients with CHC, and no previous clinical diagnosis of cirrhosis were enrolled to undergo liver biopsy, TE and APRI. A total of 182 adult patients with a median age of 55 years and median body mass index of 26.71 kg/m2 were analyzed. On LB, 56% of patients had significant levels of fibrosis (METAVIR F≥2) and 28% had advanced fibrosis (F3/F4). The strongest performance for both tests was observed for exclusion of advanced fibrosis with good negative predictive values (89 and 86%, respectively). Low necroinflammatory activity on LB was associated with false negative TE. False positives were associated with NASH and smaller LB fragments. Correlation between APRI and Fibroscan for F≥2 was 100% and 84% for F≥3 and remained high in both false negative and false positive instances, correctly identifying F<2 in 71% of cases and F<3 in 78% (and potentially foregoing up to 84% of LB). We concluded that low individual performance indicators could be attributable to limitations of LB. Poorer differentiation of lower levels of fibrosis is a known issue for LB and remains so for noninvasive tests. Good predictability is possible, however, for advanced fibrosis.
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Affiliation(s)
- L C Mendes
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - P A Ferreira
- Departamento de Doenças Infecciosas, Universidade Federal de São Paulo, São Paulo, SP, Brasil
| | - N Miotto
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - L Zanaga
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - E Gonçales
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - M S Lazarini
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - F L Gonçales
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - R S B Stucchi
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
| | - A G Vigani
- Departamento de Doenças Infecciosas, Universidade Estadual de Campinas, Campinas, SP, Brasil
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Cavalcanti-Galdino MK, Silva JAD, Mendes LC, Santos NAD, Simas MLB. Acute effect of alcohol intake on sine-wave Cartesian and polar contrast sensitivity functions. ACTA ACUST UNITED AC 2014; 47:321-7. [PMID: 24676473 PMCID: PMC4075296 DOI: 10.1590/1414-431x20143209] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Accepted: 01/22/2014] [Indexed: 11/21/2022]
Abstract
The aim of this study was to assess contrast sensitivity for angular frequency
stimuli as well as for sine-wave gratings in adults under the effect of acute
ingestion of alcohol. We measured the contrast sensitivity function (CSF) for
gratings of 0.25, 1.25, 2.5, 4, 10, and 20 cycles per degree of visual angle (cpd) as
well as for angular frequency stimuli of 1, 2, 4, 24, 48, and 96 cycles/360°. Twenty
adults free of ocular diseases, with normal or corrected-to-normal visual acuity, and
no history of alcoholism were enrolled in two experimental groups: 1) no alcohol
intake (control group) and 2) alcohol ingestion (experimental group). The average
concentration of alcohol in the experimental group was set to about 0.08%. We used a
paradigm involving a forced-choice method. Maximum sensitivity to contrast for
sine-wave gratings in the two groups occurred at 4 cpd sine-wave gratings and at 24
and 48 cycles/360° for angular frequency stimuli. Significant changes in contrast
sensitivity were observed after alcohol intake compared with the control condition at
spatial frequency of 4 cpd and 1, 24, and 48 cycles/360° for angular frequency
stimuli. Alcohol intake seems to affect the processing of sine-wave gratings at
maximum sensitivity and at the low and high frequency ends for angular frequency
stimuli, both under photopic luminance conditions.
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Affiliation(s)
| | - J A da Silva
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - L C Mendes
- Departamento de Psicologia, Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - N A da Santos
- Departamento de Psicologia, Universidade Federal da Paraíba, João Pessoa, PB, Brasil
| | - M L B Simas
- Departamento de Psicologia, Universidade Federal de Pernambuco, Recife, PE, Brasil
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Affiliation(s)
- M. I. B. Tavares
- a Instituto de Macromoléculas Professora Eloisa Mano-IMA, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - L. C. Mendes
- a Instituto de Macromoléculas Professora Eloisa Mano-IMA, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - R. S. Cardoso
- a Instituto de Macromoléculas Professora Eloisa Mano-IMA, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - N. B. Sanches
- a Instituto de Macromoléculas Professora Eloisa Mano-IMA, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - B. S. Chagas
- a Instituto de Macromoléculas Professora Eloisa Mano-IMA, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
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Affiliation(s)
- L. C. Mendes
- a Institute de Macromoléculas Professera Eloisa Mano, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - R. S. Cardoso
- a Institute de Macromoléculas Professera Eloisa Mano, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - B. S. Chagas
- a Institute de Macromoléculas Professera Eloisa Mano, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
| | - G. F. Moraes
- a Institute de Macromoléculas Professera Eloisa Mano, Universidade Federal do Rio de Janeiro-UFRJ , P.O. Box 68525, 21945-970 , Rio de Janeiro , RJ , Brazil
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Borges AS, Mendes LC, de Andrade AL, Machado GF, Peiro JR. Optic neuropathy in sheep associated with overdosage of closantel. Vet Hum Toxicol 1999; 41:378-80. [PMID: 10592945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
This report describes clinical and pathological findings in 2 flocks in Brazil where blindness and deaths in sheep occurred after closantel overdosage. Depression, weakness, and blindness affected 37 animals and 17 died in 2 flocks of 190 animals. Two animals submitted for ophthalmic examination showed no inflammation in the anterior segment of both eyes; posterior segment evaluation by indirect ophthalmoscopy suggested retinal degeneration. One postmortem evaluation local spongy vacuolization was in several regions of the brain and the optical nerves had severe axonal degeneration.
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Affiliation(s)
- A S Borges
- Universidade Estadual Paulista Julio de Mesquita Filho, Departamento de Clinica, Cirurgia e Reproducao Animal, Aracatuba, SP, Brasil
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Cardoso RS, Simões ALC, Mendes LC, Teixeira SCS, Ferreira AA. HDPE/ROSIN blends: I-Morphology, thermal and dynamic-mechanical behavior. Polym Bull (Berl) 1998. [DOI: 10.1007/s002890050323] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ono SK, da Silva LC, Carrilho FJ, da Fonseca LE, Mendes LC, Madruga CL, Farias ADQ, Laudanna AA. Clearance of hepatitis C viral RNA in cirrhotic patients with antiviral therapy. Rev Hosp Clin Fac Med Sao Paulo 1996; 51:180-3. [PMID: 9216095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Interferon is indicated in chronic infection by hepatitis C virus (HCV), however, cirrhosis has been reported as a bad response factor to the therapy. Fifteen cirrhotic patients with HCV, undergoing treatment with recombinant interferon-alpha, ribavirin and/or ursodeoxycholic acid were studied. They were followed-up and evaluated with dosages of alanine aminotransferase and HCV RNA investigation by PCR technique. Of the 15 cirrhotic patients, seven were negative for HCV RNA after antiviral treatment, however ALT was normal in only three of them. Of the eight patients who were not negative, two had normal ALT. Biochemical-virological discrepancy in the follow-up of the patients after antiviral treatment observed in this study has also been reported by other authors. These reports show that the criteria for response to the treatment is to be established.
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Affiliation(s)
- S K Ono
- Department of Gastroenterology, Medical School, University of São Paulo, Brazil
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da Silva LC, Ono SK, Fonseca LE, Carrilho FJ, Mendes LC, França AV, Madruga CL, Laudanna AA. Long term follow-up and patterns of response of ALT in patients with chronic hepatitis NANB/C treated with recombinant interferon-alpha. Rev Inst Med Trop Sao Paulo 1995; 37:239-43. [PMID: 8525270 DOI: 10.1590/s0036-46651995000300010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
The response to interferon treatment in chronic hepatitis NANB/C has usually been classified as complete, partial or absent, according to the behavior of serum alanine aminotransferase (ALT). However, a more detailed observation of the enzymatic activity has shown that the patterns may be more complex. The aim of this study was to describe the long term follow-up and patterns of ALT response in patients with chronic hepatitis NANB/C treated with recombinant interferon-alpha. A follow-up of 6 months or more after interferon-alpha was achieved in 44 patients. We have classified the serum ALT responses into six patterns and the observed frequencies were as follows: I. Long term response = 9 (20.5%); II. Normalization followed by persistent relapse after IFN = 7 (15.9%); III. Normalization with transient relapse = 5 (11.9%); IV. Temporary normalization and relapse during IFN = 4 (9.1%); V. Partial response (more than 50% of ALT decrease) = 7 (15.9%); VI. No response = 12 (27.3%). In conclusion, ALT patterns vary widely during and after IFN treatment and can be classified in at least 6 types.
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Affiliation(s)
- L C da Silva
- Department of Gastroenterology-Hepatology branch, University of São Paulo, School of Medicine, São Paulo, Brazil
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Mendes LC, Mano EB, Martuscelli E, Cimmino S. The influence of HOCP oligomer on the crystallization and morphology of iPP/HDPE blends. Polym Bull (Berl) 1995. [DOI: 10.1007/bf00312920] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Cimmino S, Di Pace E, Martuscelli E, Mendes LC, Silvestre C. High density polyethylene/hydrogenated oligo(cyclopentadiene) blends: Phase structure, thermal and mechanical properties. ACTA ACUST UNITED AC 1994. [DOI: 10.1002/polb.1994.090321209] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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