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Frumholtz L, Laurent-Roussel S, Aumaître O, Maurier F, Carlotti A, Dallot A, Le Guenno G, Kemeny JL, Antunes L, Froment N, Fraitag S, London J, Mouthon L, Terris B, Le Jeunne C, Aractingi S, Guillevin L, Dupin N, Terrier B. Manifestations cutanées au cours des vascularites associées aux ANCA dans une cohorte de 1553 patients. Ann Dermatol Venereol 2016. [DOI: 10.1016/j.annder.2016.09.181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Nunes B, Barreto M, Gil AP, Kislaya I, Namorado S, Antunes L, Gaio V, Santos AJ, Rodrigues AP, Santos J, Alves-Alves C, Castilho E, Cordeiro E, Dinis A, Prokopenko T, Silva AC, Vargas P, Lyshol H, Dias CM. The first Portuguese National Health Examination Survey (2015): design, planning and implementation. Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw175.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Rodrigues AP, Kislaya I, Antunes L, Gaio V, Barreto M, Santos AJ, Gil AP, Namorado S, Lyshol H, Nunes B, Dias CM. Prevalence of Elevated Cholesterol in Portugal: National Health Examination Survey Results (2015). Eur J Public Health 2016. [DOI: 10.1093/eurpub/ckw174.112] [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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de Sousa-Uva M, Antunes L, Nunes B, Rodrigues AP, Simões JA, Ribeiro RT, Boavida JM, Matias-Dias C. Trends in diabetes incidence from 1992 to 2015 and projections for 2024: A Portuguese General Practitioner's Network study. Prim Care Diabetes 2016; 10:329-333. [PMID: 27363730 DOI: 10.1016/j.pcd.2016.05.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 04/26/2016] [Accepted: 05/13/2016] [Indexed: 01/08/2023]
Abstract
BACKGROUND Diabetes is known as a major cause of morbidity and mortality worldwide. Portugal is known as the European country with the highest prevalence of this disease. While diabetes prevalence data is updated annually in Portugal, the General Practitioner's (GP) Sentinel Network represents the only data source on diabetes incidence. This study describes the trends in Diabetes incidence, between 1992 and 2015, and estimate projections for the future incidence rates in Portugal until 2024. METHODS An ecological time-series study was conducted using data from GP Sentinel Network between 1992 and 2015. Family doctors reported all new cases of Diabetes in their patients' lists. Annual trends were estimated through Poisson regression models as well as the future incidence rates (until 2024), sex and age group stratified. Incidence rate projections were adjusted to the distribution of the resident Portuguese population given Statistics Portugal projections. RESULTS The average increase in Diabetes incidence rate was in total 4.29% (CI95% 3.80-4.80) per year under study. Until 1998-2000, the annual incidence rate was higher in women, and from 1998-2000 to 2013-2015 turn out to be higher in men. The incidence rate projected for 2022-2024 was 972.77/10(5) inhabitants in total, and 846.74/10(5) and 1114.42/10(5), respectively, in women and men. CONCLUSIONS This is the first study in Portugal to estimate diabetes incidence rate projections. The disturbing reported projections seem realistic if things continue as in the past. Actually, effective public health policies will need to be undertaken to minimize this alarming future scenario.
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Baumuratov AS, Antony PMA, Ostaszewski M, He F, Salamanca L, Antunes L, Weber J, Longhino L, Derkinderen P, Koopman WJH, Diederich NJ. Enteric neurons from Parkinson's disease patients display ex vivo aberrations in mitochondrial structure. Sci Rep 2016; 6:33117. [PMID: 27624977 PMCID: PMC5021970 DOI: 10.1038/srep33117] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 08/08/2016] [Indexed: 02/08/2023] Open
Abstract
Based on autopsy material mitochondrial dysfunction has been proposed being part of the pathophysiological cascade of Parkinson's disease (PD). However, in living patients, evidence for such dysfunction is scarce. As the disease presumably starts at the enteric level, we studied ganglionic and mitochondrial morphometrics of enteric neurons. We compared 65 ganglia from 11 PD patients without intestinal symptoms and 41 ganglia from 4 age-matched control subjects. We found that colon ganglia from PD patients had smaller volume, contained significantly more mitochondria per ganglion volume, and displayed a higher total mitochondrial mass relative to controls. This suggests involvement of mitochondrial dysfunction in PD at the enteric level. Moreover, in PD patients the mean mitochondrial volume declined in parallel with motor performance. Ganglionic shrinking was evident in the right but not in the left colon. In contrast, mitochondrial changes prevailed in the left colon suggesting that a compensatory increase in mitochondrial mass might counterbalance mitochondrial dysfunction in the left colon but not in the right colon. Reduction in ganglia volume and combined mitochondrial morphometrics had both predictive power to discriminate between PD patients and control subjects, suggesting that both parameters could be used for early discrimination between PD patients and healthy individuals.
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Marcos-Gragera R, Mallone S, Kiemeney LA, Vilardell L, Malats N, Allory Y, Sant M, Hackl M, Zielonke N, Oberaigner W, Van Eycken E, Henau K, Valerianova Z, Dimitrova N, Sekerija M, Zvolský M, Dušek L, Storm H, Engholm G, Mägi M, Aareleid T, Malila N, Seppä K, Velten M, Troussard X, Bouvier V, Launoy G, Guizard A, Faivre J, M. Bouvier A, Arveux P, Maynadié M, Woronoff A, Robaszkiewicz M, Baldi I, Monnereau A, Tretarre B, Bossard N, Belot A, Colonna M, Molinié F, Bara S, Schvartz C, Lapôtre-Ledoux B, Grosclaude P, Meyer M, Stabenow R, Luttmann S, Eberle A, Brenner H, Nennecke A, Engel J, Schubert-Fritschle G, Kieschke J, Heidrich J, Holleczek B, Katalinic A, Jónasson J, Tryggvadóttir L, Comber H, Mazzoleni G, Bulatko A, Buzzoni C, Giacomin A, Sutera Sardo A, Mazzei A, Ferretti S, Crocetti E, Manneschi G, Gatta G, Sant M, Amash H, Amati C, Baili P, Berrino F, Bonfarnuzzo S, Botta L, Di Salvo F, Foschi R, Margutti C, Meneghini E, Minicozzi P, Trama A, Serraino D, Zucchetto A, De Angelis R, Caldora M, Capocaccia R, Carrani E, Francisci S, Mallone S, Pierannunzio D, Roazzi P, Rossi S, Santaquilani M, Tavilla A, Pannozzo F, Busco S, Bonelli L, Vercelli M, Gennaro V, Ricci P, Autelitano M, Randi G, Ponz De Leon M, Marchesi C, Cirilli C, Fusco M, Vitale M, Usala M, Traina A, Zarcone M, Vitale F, Cusimano R, Michiara M, Tumino R, Giorgi Rossi P, Vicentini M, Falcini F, Iannelli A, Sechi O, Cesaraccio R, Piffer S, Madeddu A, Tisano F, Maspero S, Fanetti A, Zanetti R, Rosso S, Candela P, Scuderi T, Stracci F, Rocca A, Tagliabue G, Contiero P, Dei Tos A, Tognazzo S, Pildava S, Smailyte G, Calleja N, Micallef R, Johannesen T, Rachtan J, Gózdz S, Mezyk R, Blaszczyk J, Kepska K, Bielska-Lasota M, Forjaz de Lacerda G, Bento M, Antunes L, Miranda A, Mayer-da-Silva A, Nicula F, Coza D, Safaei Diba C, Primic-Zakelj M, Almar E, Mateos A, Errezola M, Larrañaga N, Torrella-Ramos A, Díaz García J, Marcos-Navarro A, Marcos-Gragera R, Vilardell L, Sanchez M, Molina E, Navarro C, Chirlaque M, Moreno-Iribas C, Ardanaz E, Galceran J, Carulla M, Lambe M, Khan S, Mousavi M, Bouchardy C, Usel M, Ess S, Frick H, Lorez M, Ess S, Herrmann C, Bordoni A, Spitale A, Konzelmann I, Visser O, Aben K, Coleman M, Allemani C, Rachet B, Verne J, Easey N, Lawrence G, Moran T, Rashbass J, Roche M, Wilkinson J, Gavin A, Fitzpatrick D, Brewster D, Huws D, White C, Otter R. Urinary tract cancer survival in Europe 1999–2007: Results of the population-based study EUROCARE-5. Eur J Cancer 2015; 51:2217-2230. [DOI: 10.1016/j.ejca.2015.07.028] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2015] [Revised: 07/02/2015] [Accepted: 07/20/2015] [Indexed: 12/22/2022]
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Santos C, Félix L, Neves M, Coimbra A, Valentim AM, Antunes L, Gonçalves C, Carmo A, Pinto ML. Refinement Techniques in Zebrafish Anaesthesia - Results from a Pilot Study. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2015; 21 Suppl 5:93-94. [PMID: 26227727 DOI: 10.1017/s1431927615014270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Challis D, Antunes L, Garrison E, Banks E, Evani US, Muzny D, Poplin R, Gibbs RA, Marth G, Yu F. The distribution and mutagenesis of short coding INDELs from 1,128 whole exomes. BMC Genomics 2015; 16:143. [PMID: 25765891 PMCID: PMC4352271 DOI: 10.1186/s12864-015-1333-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 02/09/2015] [Indexed: 12/30/2022] Open
Abstract
Background Identifying insertion/deletion polymorphisms (INDELs) with high confidence has been intrinsically challenging in short-read sequencing data. Here we report our approach for improving INDEL calling accuracy by using a machine learning algorithm to combine call sets generated with three independent methods, and by leveraging the strengths of each individual pipeline. Utilizing this approach, we generated a consensus exome INDEL call set from a large dataset generated by the 1000 Genomes Project (1000G), maximizing both the sensitivity and the specificity of the calls. Results This consensus exome INDEL call set features 7,210 INDELs, from 1,128 individuals across 13 populations included in the 1000 Genomes Phase 1 dataset, with a false discovery rate (FDR) of about 7.0%. Conclusions In our study we further characterize the patterns and distributions of these exonic INDELs with respect to density, allele length, and site frequency spectrum, as well as the potential mutagenic mechanisms of coding INDELs in humans. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-1333-7) contains supplementary material, which is available to authorized users.
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Brás S, Georgakis A, Ribeiro L, Ferreira D, Silva A, Antunes L, Nunes C. Electroencephalogram-based indices applied to dogs' depth of anaesthesia monitoring. Res Vet Sci 2014; 97:597-604. [DOI: 10.1016/j.rvsc.2014.09.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 09/19/2014] [Accepted: 09/25/2014] [Indexed: 10/24/2022]
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Dias I, Patrão A, Savva-Bordalo J, Simas A, Carneiro A, Teixeira A, Antunes L, Ferreira M, Pereira D, Afonso N. Breast Carcinoma with Distant Metastasis at Initial Presentation: Impact of Breast Surgery in Real-Life Clinical Practice. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu329.24] [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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Silva-Santos RM, Costa-Pinheiro P, Luis A, Antunes L, Lobo F, Oliveira J, Henrique R, Jerónimo C. MicroRNA profile: a promising ancillary tool for accurate renal cell tumour diagnosis. Br J Cancer 2013; 109:2646-53. [PMID: 24129247 PMCID: PMC3833202 DOI: 10.1038/bjc.2013.552] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Revised: 08/13/2013] [Accepted: 08/19/2013] [Indexed: 12/12/2022] Open
Abstract
Background: Renal cell tumours (RCTs) are clinically, morphologically and genetically heterogeneous. Accurate identification of renal cell carcinomas (RCCs) and its discrimination from normal tissue and benign tumours is mandatory. We, thus, aimed to define a panel of microRNAs that might aid in the diagnostic workup of RCTs. Methods: Fresh-frozen tissues from 120 RCTs (clear-cell RCC, papillary RCC, chromophobe RCC (chRCC) and oncocytomas: 30 cases each), 10 normal renal tissues and 60 cases of ex-vivo fine-needle aspiration biopsies from RCTs (15 of each subtype validation set) were collected. Expression levels of miR-21, miR-141, miR-155, miR-183 and miR-200b were assessed by quantitative reverse transcription–PCR. Receiver operator characteristic curves were constructed and the areas under the curve were calculated to assess diagnostic performance. Disease-specific survival curves and a Cox regression model comprising all significant variables were computed. Results: Renal cell tumours displayed significantly lower expression levels of miR-21, miR-141 and miR-200b compared with that of normal tissues, and expression levels of all miRs differed significantly between malignant and benign RCTs. Expression analysis of miR-141 or miR-200b accurately distinguished RCTs from normal renal tissues, oncocytoma from RCC and chRCC from oncocytoma. The diagnostic performance was confirmed in the validation set. Interestingly, miR-21, miR-141 and miR-155 expression levels showed prognostic significance in a univariate analysis. Conclusion: The miR-141 or miR-200b panel accurately distinguishes RCC from normal kidney and oncocytoma in tissue samples, discriminating from normal kidney and oncocytoma, whereas miR-21, miR-141 and miR-155 convey prognostic information. This approach is feasible in fine-needle aspiration biopsies and might provide an ancillary tool for routine diagnosis.
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Correia JC, Antunes L, Hightower JD, Syed SB. P333: Understanding patient safety in Angola: a situational analysis at hospital Américo Boavida. Antimicrob Resist Infect Control 2013. [PMCID: PMC3688226 DOI: 10.1186/2047-2994-2-s1-p333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Venâncio C, Magalhães A, Antunes L, Summavielle T. Impaired spatial memory after ketamine administration in chronic low doses. Curr Neuropharmacol 2011; 9:251-5. [PMID: 21886600 PMCID: PMC3137193 DOI: 10.2174/157015911795016912] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2009] [Revised: 04/17/2010] [Accepted: 05/26/2010] [Indexed: 01/24/2023] Open
Abstract
Ketamine is a noncompetitive antagonist of the NMDA-receptors, used as a dissociative anesthetic, presently included in the category of the psychoactive substances known as "club drugs". Ketamine administration was associated with impaired working memory and increased psychopathological symptoms, but there is a lack of information regarding the effects of chronic sub-anesthetic doses. Adult Wistar rats were administered ketamine, 5 and 10 mg/kg twice daily, subcutaneously for 14 days. One week later, rats were tested in an object recognition/object location task and in the open field arena. There was altered performance in both the object recognition/location and in the open field tests by the group chronically exposed to the lower dose of ketamine. These animals displayed a decreased discrimination index (p<0.05) in the object recognition task, were unable to recognize the displacement of a familiar object and displayed decreased activity across open filed sessions. Importantly, these alterations were not observed in animals administered a higher dose of ketamine. Collectively, these results consistently show that chronic administration of ketamine in sub-anesthetic doses may lead to decreased habituation and inability to update spatial representations.
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Tomás E, Filipe E, Viegas E, Sá A, Silva F, Antunes L, Lafuente E. Characterization of severe Plasmodium falciparum malaria patients in an Angolan general ICU. Malar J 2010. [PMCID: PMC2963295 DOI: 10.1186/1475-2875-9-s2-p52] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Ribeiro J, Antunes L, Darin J, Mercadante A, Bianchi M. Buriti (Mauritia flexuosa) oil: Evaluation of the mutagenic and antimutagenic potential by the micronucleus test in vivo. Toxicol Lett 2010. [DOI: 10.1016/j.toxlet.2010.03.561] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Laurent V, Corby S, Antunes L, Barbary C, Corby-Ciprian S, Kermarrec E, Béot S, Régent D. [Liver and focal liver contrast: radiologic-pathologic correlation]. ACTA ACUST UNITED AC 2007; 88:1036-47. [PMID: 17762833 DOI: 10.1016/s0221-0363(07)89917-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Knowledge of the histological features of different components of a liver lesion greatly assists radiologists because it provides understanding of the correspondingimaging features. The imaging characteristics of lesions depend on variations of the extracellular architecture, mainly surrounding stromal tissue. Until histological imaging techniques become available, cellular analysis relies on optical microscopy and immunohistochemistry. Recent advances in imaging techniques now provide additional information on lesions due to improved spatial, temporal and contrast resolution. Correct interpretation of these imaging features should improve diagnosis.
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Antunes L, Svrcek M, Mourra N, Dumont S, Parc Y, Tiret E, Flejou JF. Expression des proteines MMR (Mismatch repair) dans les cancers colorectaux du sujet de moins de 50 ans : une réévaluation. Ann Pathol 2006. [DOI: 10.1016/s0242-6498(06)78422-x] [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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Antunes L, Montagne K, Weinbreck N, Marchal L, Thiebault D, Bonnet C, Gauché D, Plénat F. Possible role of tissue shrinkage in high-temperature antigen retrieval. Histopathology 2006; 48:471-3. [PMID: 16487375 DOI: 10.1111/j.1365-2559.2005.02269.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ferreira DA, Nunes CS, Antunes L, Lobo F, Amorim P. Practical aspects of the use of target controlled infusion with remifentanil in neurosurgical patients: predicted cerebral concentrations at intubation, incision and extubation. ACTA ANAESTHESIOLOGICA BELGICA 2006; 57:265-70. [PMID: 17067138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Remifentanil has important side effects and it is not easy to know what remifentanil concentrations should be used during different endpoints of anaesthesia. We analyzed the remifentanil predicted effect-site concentrations (RemiCe) at different events during neurosurgical procedures and assessed if the concentrations used were clinically adequate. BIS and haemodynamic parameters were collected every 5 seconds. Predicted cerebral concentration of propofol (PropCe) and RemiCe were analyzed immediately prior to respective stimulus, and 30, 60 and 90 seconds after. RemiCe were 2.2 +/- 0.3, 6 +/- 2.6 and 2.2 +/- 0.9 ng ml(-1) at intubation, incision and extubation, respectively. PropCe observed in the same periods were 5 +/- 1, 2.6 +/- 0.9 and 1 +/- 0.3 microg ml(-1), also respectively. The remifentanil concentrations used in our patients were lower than reported concentrations, while being clinically adequate to minimize the haemodynamic response to stimulation.
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Oliveira P, Pires M, Rodrigues P, Ginja M, Pires M, Pires I, Cardoso L, Antunes L, Rodrigues M. Opisthorchis felineus in cat: case report. ARQ BRAS MED VET ZOO 2005. [DOI: 10.1590/s0102-09352005000400020] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Barbosa CS, Araújo KC, Antunes L, Favre T, Pieri OS. Spatial distribution of schistosomiasis foci on Itamaracá Island, Pernambuco, Brazil. Mem Inst Oswaldo Cruz 2004; 99:79-83. [PMID: 15486640 DOI: 10.1590/s0074-02762004000900014] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Acute cases of schistosomiasis have been found on the coastal area of Pernambuco, Brazil, due to environmental disturbances and disorderly occupation of the urban areas. This study identifies and spatially marks the main foci of the snail host species, Biomphalaria glabrata on Itamaracá Island. The chaotic occupation of the beach resorts has favoured the emergence of transmission foci, thus exposing residents and tourists to the risk of infection. A database covering five years of epidemiological investigation on snails infected by Schistosoma mansoni in the island was produced with information from the geographic positioning of the foci, number of snails collected, number of snails tested positive, and their infection rate. The spatial position of the foci were recorded through the Global Positioning System (GPS), and the geographical coordinates were imported by AutoCad. The software packages ArcView and Spring were used for data processing and spatial analysis. AutoCad 2000 was used to plot the pairs of coordinates obtained from GPS. Between 1998 and 2002 5009 snails, of which 12.2% were positive for S. mansoni, were collected in Forte Beach. A total of 27 foci and areas of environmental risk were identified and spatially analyzed allowing the identification of the areas exposed to varying degrees of risk.
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Dimicoli S, Bensoussan D, Latger-Cannard V, Straczek J, Antunes L, Mainard L, Dao A, Barbe F, Araujo C, Clément L, Feugier P, Lecompte T, Stoltz JF, Bordigoni P. Complete recovery from Cryptosporidium parvum infection with gastroenteritis and sclerosing cholangitis after successful bone marrow transplantation in two brothers with X-linked hyper-IgM syndrome. Bone Marrow Transplant 2003; 32:733-7. [PMID: 13130323 DOI: 10.1038/sj.bmt.1704211] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We describe two brothers who suffered from hyper-IgM syndrome (HIGM1) with similar clinical features: recurrent infections, especially cryptosporidium gastroenteritis with cholangitis. Their activated T cells did not express CD40L. Nucleotide sequencing revealed a mutation in both boys with respect to intron 4 and exon 5 boundaries of the CD40L gene in Xq26. They underwent successful bone marrow transplantation (BMT) from HLA-geno-identical siblings. The Cryptosporidium infection and cholangitis resolved thereafter. At 6 months after BMT, expression of CD40L on activated T lymphocytes was normal. After 1 year, both boys are well, and immune reconstitution has improved. Based on these two successful experiences, BMT with a genoidentical sibling seems a reasonable therapeutic approach for HIGM1, if Cryptosporidium infection occurs.
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Antunes L, Ounnoughene-Piet M, Hennequin V, Maury F, Lemelle JL, Labouyrie E, Plénat F. Gynandroblastoma of the testis in an infant: a morphological, immunohistochemical and in-situ hybridization report. Histopathology 2002; 40:395-7. [PMID: 11943029 DOI: 10.1046/j.1365-2559.2002.t01-2-01299.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Régent D, Laurent V, Antunes L, Debelle L, Cannard L, Leclerc J, Beot S. [Fibrous tissue(s): a key for lesion characterization in digestive diseases]. JOURNAL DE RADIOLOGIE 2002; 83:292-312. [PMID: 11981497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Fibrosis is one of the hallmarks of inflammatory and repair processes in pathology. Various exogenous and endogenous stimuli, including tumor development, can induce inflammatory reactions. During the post-equilibrium phase after IV injection of non specific contrast media, CT and/or MR allow the study of these inflammatory answers to tumoral or infectious processes. Delayed enhancement of collagenic fibrous tissue during the late post-equilibrium phase is an essential complementary data in the characterization of many liver lesions: cirrhosis, cholangiocarcinoma, focal nodular hyperplasia, fibrous metastasis. but also for the differential diagnosis of pancreatic diseases (groove pancreatitis vs ductal adenocarcinoma) or of gastro-intestinal diseases (gastric adenocarcinoma vs lymphoma, mechanical complication vs inflammatory bouts of ileal Crohn's disease).
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Brunaud L, Antunes L, Collinet-Adler S, Marchal F, Ayav A, Bresler L, Boissel P. Acute mesenteric venous thrombosis: case for nonoperative management. J Vasc Surg 2001; 34:673-9. [PMID: 11668323 DOI: 10.1067/mva.2001.117331] [Citation(s) in RCA: 112] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Initial treatment in the management of acute mesenteric vein thrombosis (MVT) is controversial. Some authors have proposed a surgical approach, whereas others have advocated medical therapy (anticoagulation). In this study, we analyzed and compared the results obtained with surgical and medical treatment to determine the best initial management for this disease. METHODS We retrospectively reviewed the records of patients treated for MVT in a secondary care surgical department from January 1987 to December 1999. Before January 1995, our departmental policy was to perform surgery in patients with suspected MVT. Since January 1995, we have preferred a medical approach when achievable. Each patient in this study was assessed for diagnosis, initial management (laparotomy or anticoagulation), morbidity, mortality, duration of hospitalization, the need for secondary operation, portal hypertension, and survival rates. RESULTS Twenty-six patients were treated, 14 before January 1995 (group 1) and 12 since January 1995 (group 2). Morbidity, mortality, secondary operation, portal hypertension, and 2-year survival rates were 34.6%, 19.2%, 15.3%, 19.2%, and 76.9%, respectively. No statistical difference was observed between the two groups. The mean duration of hospitalization was 51.6 days in group 1 and 23.2 days in group 2 (P < .05). Among the 12 patients treated by means of laparotomy with bowel resection, 10 patients (83%) had mucosal necrosis without transmural necrosis at pathologic study. CONCLUSION Nonoperative management for acute MVT is feasible when the initial diagnosis with a computed tomography scan is certain and when the bowel infarction has not led to transmural necrosis and bowel perforation. The morbidity, mortality, and survival rates are similar in cases of surgical and nonoperative management. The length of hospital stay is shorter when patients are treated with a nonoperative approach. A nonoperative approach, when indicated, avoids the resection of macroscopically infarcted small bowel (without transmural necrosis) in cases that are potentially reversible with anticoagulation alone.
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