9 research outputs found

    Measurement of galactosyl-deficient IgA1 by the monoclonal antibody KM55 contributes to predicting patients with IgA nephropathy with high risk of long-term progression

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    Backgroundandobjective:About25%ofpatientswithIgAnephropathy(IgAN)progresstostage5chronickidneydisease(CKD)afteryearsofevolution.Varioustoolshavebeendevelopedinrecentyearsdesignedtopredictwhichofthepatientswillhadpooreroutcomes.Thevalueofcirculatinggalactosyl-deficientIgA1(Gd-IgA1)hasbeenrelatedtoaworseevolutionofIgANinseveralstudies.TherearealsosomepublicationsthatrelatehigherAPRILvalueswithaworseevolution.Recently,anewmethodhasbeendevelopedthatallowsmeasuringthevalueofcirculatingGd-IgA1inasimplerwaythanthosepreviouslyavailable.TheobjectiveofthisstudyistoanalyzetheinfluenceofcirculatingGd-IgA1,measuredbythismethod,ontheprogressionofIgAN.Materialsandmethods:Forty-ninepatientswithadiagnosisofIgANdemonstratedbyrenalbiopsywereselectedinourcenter,withouthavingreceivedpriorimmunosuppressivetreat-ment,forwhomfrozenserumwasavailable.Themedianfollow-upwas4years.Gd-IgA1wasmeasuredbylectin-independentELISAwiththemonoclonalantibodyKM55(IgA1kitCat.No.30111694.IBLInt.,Hamburg,Germany).Likewise,APRILlevelswerealsomeasuredinthesepatients.Results:19(38.8%)patientsreachedstage5CKD.ThefourthquartileofcirculatingGd-IgA1wasrelatedtoahighercumulativeriskofreachingstage5CKDintheKaplan?Meieranalysis(riskatthe5thyear39.4%vs.24.3%,logrankp=0.019).TheGd-IgA1valuewasrelatedto anincreasedriskofCKDstage5(HR1.147,95%CI1.035?1.270,p=0.009),regardlessofglomerularfiltrationrate,proteinuria,thepercentageofsclerosedglomeruliandthevalueofsegmentalsclerosis.WedidnotfindsignificantdifferencesintheAPRILvalues.Conclusions:ThevalueofcirculatingGd-IgA1measuredbythemonoclonalantibodyKM55isrelatedtoaworseevolutionofpatientswithIgANindependentlyofothervariables,soitcouldbeincludedinthestudyofpatientstoimprovethepredictionoftheriskofdiseaseprogression

    Healthcare workers hospitalized due to COVID-19 have no higher risk of death than general population. Data from the Spanish SEMI-COVID-19 Registry

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    Aim To determine whether healthcare workers (HCW) hospitalized in Spain due to COVID-19 have a worse prognosis than non-healthcare workers (NHCW). Methods Observational cohort study based on the SEMI-COVID-19 Registry, a nationwide registry that collects sociodemographic, clinical, laboratory, and treatment data on patients hospitalised with COVID-19 in Spain. Patients aged 20-65 years were selected. A multivariate logistic regression model was performed to identify factors associated with mortality. Results As of 22 May 2020, 4393 patients were included, of whom 419 (9.5%) were HCW. Median (interquartile range) age of HCW was 52 (15) years and 62.4% were women. Prevalence of comorbidities and severe radiological findings upon admission were less frequent in HCW. There were no difference in need of respiratory support and admission to intensive care unit, but occurrence of sepsis and in-hospital mortality was lower in HCW (1.7% vs. 3.9%; p = 0.024 and 0.7% vs. 4.8%; p<0.001 respectively). Age, male sex and comorbidity, were independently associated with higher in-hospital mortality and healthcare working with lower mortality (OR 0.211, 95%CI 0.067-0.667, p = 0.008). 30-days survival was higher in HCW (0.968 vs. 0.851 p<0.001). Conclusions Hospitalized COVID-19 HCW had fewer comorbidities and a better prognosis than NHCW. Our results suggest that professional exposure to COVID-19 in HCW does not carry more clinical severity nor mortality

    Incidence and prognostic implications of coronary aneurysms

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    Antecedentes y objetivos: Dada la baja prevalencia de los aneurismas coronarios y las escasas series publicadas, los factores asociados, características, manejo actual e implicación pronóstica a largo plazo no son bien conocidas. Métodos: En las angiografías realizadas entre 2007-­‐2014 se identificaron los aneurismas coronarios definidos como dilatación focal de diámetro > 1,5 veces el del vaso de referencia, excluidos stents previamente implantados y ectasias. Se estudiaron características clínicas, angiográficas, tratamiento médico y/o intervencionista y evolución. Resultados: Se identificaron 62 pacientes (0,32%), de 64,87 ±14,2 años, 14,52% mujeres, 74,19% hipertensos, 17,74% diabéticos, 62,9% dislipémicos y 70,97% fumadores/exfumadores. La indicación de coronariografía fue isquémica en el 80,65% de los casos. Su tamaño fue 5,44 ± 1,58 mm. En 19 pacientes (30,65%) se intervinieron los aneurismas: 68,42% stent y 31,58% cirugía. Se pautó doble antiagregación al 75,81%. Tras una mediana de seguimiento de 3 años, 8 pacientes fallecieron, 3 (4,84%) por causa cardiovascular. La cardiopatía isquémica fue el principal motivo de reingreso. Conclusiones: Se diagnosticaron aneurismas en un 0,32%, frecuentemente asociados con hipertensión. Predominan en enfermedad multivaso. La mayoría no fueron tratados. Se observó crecimiento del aneurisma en un 1,61%.Grado en Medicin

    Measurement of galactosyl-deficient IgA1 by the monoclonal antibody KM55 contributes to predicting patients with IgA nephropathy with high risk of long-term progression

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    Antecedentes y objetivo En torno al 25% de los pacientes con nefropatía IgA (NIgA) progresa hacia el estadio 5 de la enfermedad renal crónica tras años de evolución. En los últimos años se han desarrollado diversas herramientas diseñadas para predecir qué pacientes evolucionan peor. El valor de IgA1 galactosil-deficiente (Gd-IgA1) circulante se ha relacionado con una peor evolución de la NIgA en algunos estudios. También hay varios trabajos que relacionan valores más elevados de APRIL con una peor evolución. Recientemente se ha desarrollado un método que permite medir el valor de Gd-IgA1 circulante de una manera más sencilla que los previamente disponibles. El objetivo de este estudio es analizar la influencia de la Gd-IgA1 circulante, medida por este método, en la progresión de la NIgA. Materiales y métodos Se seleccionaron 49 pacientes con diagnóstico de NIgA demostrado mediante biopsia renal en nuestro centro, sin haber recibido tratamiento inmunosupresor previo, de los que se dispusiera de suero congelado. La mediana de seguimiento fue de cuatro años. Se midió Gd-IgA1 mediante ELISA independiente de lectina con el anticuerpo monoclonal KM55 (IgA1 kit Cat. No 30111694. IBL Int., Hamburgo, Alemania). Así mismo también se midieron los niveles de APRIL en estos pacientes. Resultados 19 (38,8%) pacientes alcanzaron ERC estadio 5. El cuarto cuartil de Gd-IgA1 circulante se relacionaba con un mayor riesgo acumulado de llegar a ERC estadio 5 en el análisis de Kaplan-Meier (riesgo al 5 año 39,4% vs. 24,3%; log rank p = 0,019). El valor de Gd-IgA1 se relacionaba con un mayor riesgo de ERC estadio 5 (HR 1,147; IC 95%: 1,035-1,270; p = 0,009), independientemente del filtrado glomerular, la proteinuria, el porcentaje de glomérulos esclerosados y el valor de esclerosis segmentaria. No encontramos diferencias significativas en los valores de APRIL. Conclusiones El valor de Gd-IgA1 circulante medido mediante el anticuerpo monoclonal KM55 se relaciona con una peor evolución de los pacientes con NIgA independientemente de otras variables, por lo que se podría incluir en el estudio de los pacientes para mejorar la predicción del riesgo de progresión de la enfermedad.Background and objective About 25% of patients with IgA nephropathy (IgAN) progress to stage 5 chronic kidney disease (CKD) after years of evolution. Various tools have been developed in recent years designed to predict which of the patients will had poorer outcomes. The value of circulating galactosyl-deficient IgA1 (Gd-IgA1) has been related to a worse evolution of IgAN in several studies. There are also some publications that relate higher APRIL values with a worse evolution. Recently, a new method has been developed that allows measuring the value of circulating Gd-IgA1 in a simpler way than those previously available. The objective of this study is to analyze the influence of circulating Gd-IgA1, measured by this method, on the progression of IgAN. Materials and methods Forty-nine patients with a diagnosis of IgAN demonstrated by renal biopsy were selected in our center, without having received prior immunosuppressive treatment, for whom frozen serum was available. The median follow-up was 4 years. Gd-IgA1 was measured by lectin-independent ELISA with the monoclonal antibody KM55 (IgA1 kit Cat. No. 30111694. IBL Int., Hamburg, Germany). Likewise, APRIL levels were also measured in these patients. Results 19 (38.8%) patients reached stage 5 CKD. The fourth quartile of circulating Gd-IgA1 was related to a higher cumulative risk of reaching stage 5 CKD in the Kaplan?Meier analysis (risk at the 5th year 39.4% vs. 24.3%, log rank p = 0.019). The Gd-IgA1 value was related to an increased risk of CKD stage 5 (HR 1.147, 95% CI 1.035?1.270, p = 0.009), regardless of glomerular filtration rate, proteinuria, the percentage of sclerosed glomeruli and the value of segmental sclerosis. We did not find significant differences in the APRIL values. Conclusions The value of circulating Gd-IgA1 measured by the monoclonal antibody KM55 is related to a worse evolution of patients with IgAN independently of other variables, so it could be included in the study of patients to improve the prediction of the risk of disease progression

    Medicina de precisión: «Point of Care Ultrasound» (PoCUS) en el abordaje diagnóstico del paciente con hiponatremia

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    Resumen: La hiponatremia es un trastorno multifactorial definido como una disminución en la concentración plasmática de sodio. Su diagnóstico diferencial requiere una evaluación adecuada del volumen extracelular. Sin embargo, la determinación del volumen extracelular, simplemente basada en la historia clínica, las constantes vitales, el examen físico y los hallazgos de laboratorio, conducen en ocasiones a un diagnóstico erróneo por lo que el enfoque terapéutico puede ser equivocado. El empleo de ecografía a pie de cama (Point-of-Care Ultrasound [PoCUS]), mediante la combinación de ecografía pulmonar (Lung Ultrasound [LUS]), Venous Excess UltraSound (VExUS) y la ecocardioscopia (Focused Cardiac Ultrasound [FoCUS]) permiten, en combinación con el resto de los parámetros, una valoración holística mucho más precisa del estado del volumen extracelular del paciente. Abstract: Hyponatremia is a multifactorial disorder defined as a decrease in plasma sodium concentration. Its differential diagnosis requires an adequate evaluation of the extracellular volume. However, extracellular volume determination, simply based on the clinical history, vital signs, physical examination, and laboratory findings can leads to misdiagnosis and inappropriate treatment. The use of Point-of-Care Ultrasound (PoCUS), through the combination of Lung Ultrasound (LUS), Venous Excess UltraSound (VExUS) and Focused Cardiac Ultrasound (FoCUS), allows a much more accurate holistic assessment of the patient's extracellular volume status in combination with the other parameters

    Chapter 29 Mexico

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