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1.
PLoS One ; 13(11): e0204844, 2018.
Artículo en Inglés | MEDLINE | ID: mdl-30422984

RESUMEN

BACKGROUND: The incidence of tick-borne encephalitis (TBE) varies significantly over time. To better understand the annual incidence of all TBE cases in Latvia we investigated the disease burden in the country from 1973-2016 using several available sources and case definitions. METHODS: We identified cases of TBE from an electronic database (maintained by the Centre for Disease Prevention and Control of Latvia [CDPC]) by the use of ICD-10 diagnosis codes for TBE (A84; A84.0; A84.1; A84.8; A84.9). In addition, previously unreported TBE cases were found by review of TBE diagnoses according to ICD-10 codes in four hospital databases. RESULTS: From 1973 to 2016 a total of 15,193 TBE cases were reported to the CDPC, 2,819 of which were reported from January 2007 through December 2016, additionally for this time period, 104 cases were identified via hospital survey. From all 2,923 reported cases (2007-2016), 1,973 met TBE case definition criteria and were included in the TBE study analysis. The highest average 10 year incidence was observed from 1990-1999 (27.9 cases per 100,000; range 4.6-53.0), however, the average 10-year incidence from 2007-2016 using officially adopted TBE case definition was 9.6 cases per 100,000 (range 5.8-14.6). For this 10-year time period most cases were adults (95.1%) and male (52.2%). The most common clinical form of TBE was meningitis (90.6%). A tick bite prior to TBE onset was reported in 60.6% of TBE cases and 98.2% of cases were not vaccinated against TBE. CONCLUSION: The data demonstrate that the incidence of TBE varies by about one third based on the case definition used. TBE occurs almost entirely in the unvaccinated population. Regular TBE awareness campaigns could encourage the population in Latvia to use protective measures to further control TBE in the country, either via vaccination or tick avoidance.


Asunto(s)
Bases de Datos Factuales , Encefalitis Transmitida por Garrapatas/epidemiología , Adolescente , Adulto , Factores de Edad , Anciano , Anciano de 80 o más Años , Encefalitis Transmitida por Garrapatas/prevención & control , Femenino , Humanos , Incidencia , Letonia/epidemiología , Masculino , Persona de Mediana Edad , Estudios Retrospectivos , Factores Sexuales
2.
Clin Gastroenterol Hepatol ; 4(8): 1062-8, 2006 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-16844421

RESUMEN

BACKGROUND & AIMS: Influence of being overweight and diabetes mellitus on the occurrence of hepatocellular carcinoma (HCC) in patients with cirrhosis has not been evaluated prospectively. The aim of this study was to show the predictive value of these factors in a cohort of 771 patients with well-compensated alcohol- or hepatitis C (HCV)-related cirrhosis who were screened prospectively for HCC. METHODS: The predictive value for HCC occurrence was assessed by using the log-rank test and the Cox proportional hazards model. At enrollment, the mean age was 61.4 +/- 10 years and 431 patients were men. Cirrhosis was caused by alcohol (n = 478), HCV (n = 220), or the association of both factors (n = 73). The mean body mass index (BMI) was 25.4 kg/m(2) and 231 patients were diabetic. RESULTS: During a mean follow-up period of 4.2 +/- 3 years, 220 patients developed HCC. In univariate analysis, a BMI of 25 kg/m(2) or more, diabetes, male sex, age older than 60 years, and HCV infection were risk factors for HCC. In multivariate analysis, predictive factors were a BMI between 25-30 kg/m(2) (hazard ratio [HR], 2.0; 95% confidence interval [CI], 1.4-2.7), BMI of 30 kg/m(2) or more (HR, 2.8; 95% CI, 2.0-4.0), diabetes (HR, 1.6; 95% CI, 1.2-2.1), age 60-70 years (HR, 2.4; 95% CI, 1.3-4.3), age older than 70 years (HR, 3.0; 95% CI, 1.7-5.5), male sex (HR, 2.0; 95% CI, 1.4-2.7), HCV (HR, 1.6; 95% CI, 1.1-2.2), and mixed (HR, 2.6; 95% CI, 1.7-4.0) etiology. We found a positive linear relationship between BMI level and HCC incidence during follow-up evaluation. CONCLUSIONS: Overweight and diabetes mellitus are associated with an increased risk of HCC occurrence in patients with HCV- or alcohol-related cirrhosis.


Asunto(s)
Carcinoma Hepatocelular/epidemiología , Cirrosis Hepática Alcohólica/epidemiología , Cirrosis Hepática/epidemiología , Cirrosis Hepática/virología , Neoplasias Hepáticas/epidemiología , Factores de Edad , Anciano , Índice de Masa Corporal , Carcinoma Hepatocelular/terapia , Diabetes Mellitus Tipo 2/epidemiología , Femenino , Estudios de Seguimiento , Francia/epidemiología , Hepatitis C Crónica/complicaciones , Humanos , Incidencia , Neoplasias Hepáticas/terapia , Masculino , Persona de Mediana Edad , Análisis Multivariante , Modelos de Riesgos Proporcionales , Estudios Prospectivos , Factores de Riesgo , Factores Sexuales
3.
Am J Gastroenterol ; 101(12): 2744-51, 2006 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-17227522

RESUMEN

OBJECTIVES: The goal of this study was to estimate the additional value of liver stiffness measurement (LSM) with physicians' assessment of fibrosis based on epidemiological, clinical, and biological parameters. METHODS: One hundred forty-two unselected patients with chronic hepatitis C were included. Liver biopsy and LSM were performed simultaneously. First, four physicians (two junior residents with limited experience in hepatology and two senior hepatologists) independently predicted the stage of fibrosis according to the METAVIR classification, using clinical, epidemiological, and biological data. For the second step, they were informed of LSM values and could modify their first evaluation if necessary. Finally, the two successive evaluations were compared with the histological fibrosis score. RESULTS: Providing LSM values improved agreement between physicians and resulted in a better correlation between clinical impression and histological liver fibrosis. The diagnostic performances were only significantly improved with transient elastography for the diagnosis of cirrhosis where assessment improved in three of the four physicians (AUROC [area under receiver operating characteristic curve]: 0.76 vs 0.87, 0.80 vs 0.87, and 0.83 vs 0.89, all p < 0.05). Moreover, these performances were nearly similar for junior and senior physicians when LSM was provided with the AUROC ranging from 0.69 to 0.72 for significant fibrosis and 0.87 to 0.90 for cirrhosis. CONCLUSIONS: Providing LSM values to physicians results in a better estimation of liver fibrosis and a more accurate diagnosis of cirrhosis. Moreover, it allows physicians with limited experience to predict liver fibrosis as well as experienced hepatologists.


Asunto(s)
Elasticidad , Hepatitis C Crónica/patología , Hepatitis C Crónica/fisiopatología , Cirrosis Hepática/diagnóstico , Cirrosis Hepática/virología , Adulto , Anciano , Competencia Clínica , Femenino , Hepatitis C Crónica/complicaciones , Humanos , Pruebas de Función Hepática , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Reproducibilidad de los Resultados
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