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1.
Liver Int ; 37(2): 196-204, 2017 02.
Artículo en Inglés | MEDLINE | ID: mdl-27428078

RESUMEN

BACKGROUND & AIMS: Identifying advanced fibrosis in chronic hepatitis delta patients and thus in need of urgent treatment is crucial. To avoid liver biopsy, non-invasive fibrosis scores may be helpful but have not been evaluated for chronic hepatitis delta yet. METHODS: We evaluated eight non-invasive fibrosis scores in 100 HDV RNA-positive patients with available central histological reading. New cut-off values were calculated by using Receiver Operating Characteristics and Youden indexes. Predictors for the presence of ISHAK F3-6 were revealed by t-tests or Mann-Whitney tests. RESULTS: None of the tested scores had an area under the curve (AUROC) > 0.8 and performed according to our predefined requirements of a sensitivity of >80% and a positive predictive value (PPV) >90% - even after adaption. However, the ELF score was able to identify advanced fibrosis with a high sensitivity (93%) and PPV (81%), but relies on expensive extracellular matrix markers with bad availability in many endemic regions of HDV. Thus, we developed a novel non-invasive approach and identified low cholinesterase (P=.002), low albumin (P=.041), higher gamma glutamyl transferase, as well as older age (P<.001) as predictors of fibrosis resulting in the Delta Fibrosis Score (DFS). The DFS performed with a sensitivity of 85% and PPV of 93% with an AUROC of 0.87. CONCLUSIONS: Existing non-invasive fibrosis scores are either impracticable or do not perform well in chronic hepatitis delta patients. However, the new Delta Fibrosis Score is the first non-invasive fibrosis score specifically developed for chronic hepatitis delta and requires only standard parameters.


Asunto(s)
Hepatitis D Crónica/complicaciones , Cirrosis Hepática/diagnóstico , Cirrosis Hepática/virología , Hígado/patología , Adulto , Biomarcadores/sangre , Biopsia , Ensayos Clínicos Fase II como Asunto , Progresión de la Enfermedad , Femenino , Alemania , Hepatitis D Crónica/patología , Virus de la Hepatitis Delta , Humanos , Cirrosis Hepática/patología , Masculino , Persona de Mediana Edad , Estudios Multicéntricos como Asunto , Valor Predictivo de las Pruebas , Curva ROC , Ensayos Clínicos Controlados Aleatorios como Asunto , Índice de Severidad de la Enfermedad , Adulto Joven , gamma-Glutamiltransferasa/sangre
2.
Blood ; 125(7): 1091-7, 2015 Feb 12.
Artículo en Inglés | MEDLINE | ID: mdl-25525118

RESUMEN

Acquired hemophilia A (AHA) is caused by autoantibodies against factor VIII (FVIII). Immunosuppressive treatment (IST) results in remission of disease in 60% to 80% of patients over a period of days to months. IST is associated with frequent adverse events, including infections as a leading cause of death. Predictors of time to remission could help guide IST intensity but have not been established. We analyzed prognostic factors in 102 prospectively enrolled patients treated with a uniform IST protocol. Partial remission (PR; defined as no active bleeding, FVIII restored >50 IU/dL, hemostatic treatment stopped >24 hours) was achieved by 83% of patients after a median of 31 days (range 7-362). Patients with baseline FVIII <1 IU/dL achieved PR less often and later (77%, 43 days) than patients with ≥1 IU/dL (89%, 24 days). After adjustment for other baseline characteristics, low FVIII remained associated with a lower rate of PR (hazard ratio 0.52, 95% confidence interval 0.33-0.81, P < .01). In contrast, PR achieved on steroids alone within ≤21 days was more common in patients with FVIII ≥1 IU/dL and inhibitor concentration <20 BU/mL (odds ratio 11.2, P < .0001). Low FVIII was also associated with a lower rate of complete remission and decreased survival. In conclusion, presenting FVIII and inhibitor concentration are potentially useful to tailor IST in AHA.


Asunto(s)
Hemofilia A , Inmunosupresores/uso terapéutico , Adulto , Anciano , Anciano de 80 o más Años , Autoanticuerpos/efectos adversos , Factor VIII/análisis , Factor VIII/inmunología , Femenino , Hemofilia A/diagnóstico , Hemofilia A/mortalidad , Hemofilia A/terapia , Humanos , Masculino , Persona de Mediana Edad , Pronóstico , Inducción de Remisión , Análisis de Supervivencia , Resultado del Tratamiento
3.
J Clin Periodontol ; 41(1): 31-7, 2014 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-24134735

RESUMEN

AIM: To investigate the association between periodontal disease severity and cardiorespiratory fitness (CRF) in a cross-sectional study of sedentary men. MATERIALS & METHODS: Seventy-two healthy men (45-65 years) who did not join any sport activity and had a preferentially sitting working position were recruited. Periodontal status was recorded and CRF was measured by peak oxygen uptake (VO2 peak ) during exercise testing on a cycle ergometer. Physical activity was assessed by a validated questionnaire and data were transformed to metabolic equivalent of task scores. Univariate and multivariate regression analyses were performed to investigate associations. RESULTS: Differences between VO2 peak levels in subjects with no or mild, moderate or severe periodontitis were statistically significant (p = 0.026). Individuals with low VO2 peak values showed high BMI scores, high concentrations of high-sensitive C-reactive protein, low levels of high-density lipoprotein-cholesterol, and used more glucocorticoids compared to individuals with high VO2 peak levels. Multivariate regression analysis showed that high age (p = 0.090), high BMI scores (p < 0.001), low levels of physical activity (p = 0.031) and moderate (p = 0.087), respectively, severe periodontitis (p = 0.033) were significantly associated with low VO2 peak levels. CONCLUSIONS: This study demonstrated that moderate and severe periodontitis were independently associated with low levels of CRF in sedentary men aged between 45 and 65 years.


Asunto(s)
Consumo de Oxígeno/fisiología , Periodontitis/clasificación , Aptitud Física , Conducta Sedentaria , Factores de Edad , Anciano , Glucemia/análisis , Presión Sanguínea/fisiología , Índice de Masa Corporal , Peso Corporal , Proteína C-Reactiva/análisis , HDL-Colesterol/sangre , Estudios de Cohortes , Estudios Transversales , Ergometría/métodos , Glucocorticoides/uso terapéutico , Corazón/fisiología , Humanos , Pulmón/fisiología , Masculino , Persona de Mediana Edad , Actividad Motora/fisiología , Índice Periodontal , Factores de Riesgo
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