19 research outputs found

    Body Composition Changes in Hemodialysis Patients: Implications for Prognosis

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    Background: Overhydration, inflammation and protein-energy wasting have been related to all-cause mortality in dialysis patients, being lean mass loss, a poor prognostic factor. Objective: to monitor body composition changes (BCC) in hemodialysis (HD) patients and to relate BCC to mortality. Methods: Prospective follow up study: Bioimpedance spectroscopy (BIS) and nutritional parameters were performed every 6 months during three years. Results : Overall data show a significant loss of weight at 12m, 24m, and 36m, with decrease of lean tissue index and phase angle (PA) in each period measured. Fat tissue index (FTI) diminished in the third year’s measurements. End of first year, 41 % of patients gain weight, them at baseline had lower age, higher serum albumin, lower Extracelular/intracellular water index (ECW/ICW) and higher PA, showing a significant FTI increase. Higher baseline PA was gain weight predictor by binary logistic regression. Cox regression analyses: Age, diabetes, HD technique, albumin, ECW/ICW, and PA were mortality predictors in univariate analysis; being PA the main mortality predictor in multivariate analysis. BCC were not associated with mortality. ROC curve: PA higher than 4.85° is protective for mortality. Conclusions: Lean mass loss was the most important change during follow up; we have not observed association between BCC with mortality. PA was the main mortality predictor.S

    Echocardiographic findings in haemodialysis patients according to their state of hydration

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    AbstractBackgroundChronic fluid overload is frequent in hemodialysis patients (P) and it associates with hypertension, left ventricular hypertrophy (LVH) and higher mortality. Moreover, echocardiographic data assessing fluid overload is limited. Our aim was to evaluate the relationship between fluid overload measured by bioimpedance spectroscopy (BIS) and different echocardiographic parameters.MethodsCross-sectional observational study including 76 stable patients. Dry weight was clinically assessed. BIS and echocardiography were performed. Weekly time-averaged fluid overload (TAFO) and relative fluid overload (FO/ECW) were calculated using BIS measurements.ResultsBased on TAFO three groups were defined: A- dehydrated, TAFO <-0.25 L 32 P (42%); B- normohydrated, TAFO between -0.25 and 1.5 l: 26 (34%); C- overhydrated, TAFO>1.5 l: 18 (24%). We found significant correlation between TAFO and left atrial volume index (LAVI) (r: 0.29; p=0.013) but not with FO/ECW (r 0.06; p=0.61). TAFO, but not FO/ECW kept a significant relationship with LAVI (p=0.03) using One-Way ANOVA test and linear regression methods. LVH was present in 73.7% (concentric 63.2%, eccentric in 10.5%). No differences between groups in the presence of LVH or left ventricular mass index were found.ConclusionsWe found that left atrial volume index determined by echocardiographic Area-length method, but not left ventricle hypertrophy or dimensions of cavities, are related on hydration status based on bioimpedance measured time-averaged fluid overload (TAFO), and not with FO/ECW

    Cost-effective method to perform SARS-CoV-2 variant surveillance: detection of Alpha, Gamma, Lambda, Delta, Epsilon, and Zeta in Argentina

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    SARS-CoV-2 variants with concerning characteristics have emerged since the end of 2020. Surveillance of SARS-CoV-2 variants was performed on a total of 4,851 samples from the capital city and 10 provinces of Argentina, during 51 epidemiological weeks (EWs) that covered the end of the first wave and the ongoing second wave of the COVID-19 pandemic in the country (EW 44/2020 to EW 41/2021). The surveillance strategy was mainly based on Sanger sequencing of a Spike coding region that allows the identification of signature mutations associated with variants. In addition, whole-genome sequences were obtained from 637 samples. The main variants found were Gamma and Lambda, and to a lesser extent, Alpha, Zeta, and Epsilon, and more recently, Delta. Whereas, Gamma dominated in different regions of the country, both Gamma and Lambda prevailed in the most populated area, the metropolitan region of Buenos Aires. The lineages that circulated on the first wave were replaced by emergent variants in a term of a few weeks. At the end of the ongoing second wave, Delta began to be detected, replacing Gamma and Lambda. This scenario is consistent with the Latin American variant landscape, so far characterized by a concurrent increase in Delta circulation and a stabilization in the number of cases. The cost-effective surveillance protocol presented here allowed for a rapid response in a resource-limited setting, added information on the expansion of Lambda in South America, and contributed to the implementation of public health measures to control the disease spread in Argentina.Fil: Torres, Carolina. Instituto de Investigaciones En Bacteriologia y Virologia Molecular (ibavim) ; Facultad de Farmacia y Bioquimica ; Universidad de Buenos Aires; . Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Mojsiejczuk, Laura Noelia. Instituto de Investigaciones En Bacteriologia y Virologia Molecular (ibavim) ; Facultad de Farmacia y Bioquimica ; Universidad de Buenos Aires; . Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Acuña, Dolores. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Alexay, SofĂ­a. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Amadio, Ariel Fernando. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe. Instituto de InvestigaciĂłn de la Cadena LĂĄctea. - Instituto Nacional de TecnologĂ­a Agropecuaria. Centro Regional Santa Fe. EstaciĂłn Experimental Agropecuaria Rafaela. Instituto de InvestigaciĂłn de la Cadena LĂĄctea; ArgentinaFil: Aulicino, Paula. Gobierno de la Ciudad de Buenos Aires. Hospital de PediatrĂ­a "Juan P. Garrahan". Laboratorio de BiologĂ­a Celular y Retrovirus; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Debat, Humberto Julio. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de Investigaciones Agropecuarias. Instituto de PatologĂ­a Vegetal; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Fay, Fabian. CIBIC Laboratorio; ArgentinaFil: FernĂĄndez, Franco. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de Investigaciones Agropecuarias. Instituto de PatologĂ­a Vegetal; ArgentinaFil: Giri, Adriana Angelica. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas Centro CientĂ­fico TecnolĂłgico - CONICET -Rosario. Instituto de Biologia Molecular y Celular de Rosario; ArgentinaFil: Goya, Stephanie. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; Argentina. Gobierno de la Ciudad de Buenos Aires. Hospital de PediatrĂ­a "Juan P. Garrahan". Laboratorio de BiologĂ­a Celular y Retrovirus; ArgentinaFil: König, Guido Alberto. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: Lucero, Horacio. Universidad Nacional del Nordeste. Instituto de Medicina Regional; ArgentinaFil: Nabaes Jodar, Mercedes Soledad. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; Argentina. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Pianciola, Luis. Gobierno de la Provincia del NeuquĂ©n. Ministerio de Salud. SecretarĂ­a de Salud PĂșblica NeuquĂ©n; ArgentinaFil: Sfalcin, Javier A.. CIBIC Laboratorio; ArgentinaFil: Acevedo, RaĂșl Maximiliano. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Nordeste. Instituto de BotĂĄnica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de BotĂĄnica del Nordeste; ArgentinaFil: Bengoa Luoni, Sofia Ailin. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: Bolatti, Elisa Maria. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Rosario. Instituto de BiologĂ­a Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Instituto de BiologĂ­a Molecular y Celular de Rosario; ArgentinaFil: BrusĂ©s, Bettina Laura. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Nordeste. Instituto de BotĂĄnica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de BotĂĄnica del Nordeste; ArgentinaFil: Cacciabue, Marco Polo Domingo. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: Casal, Pablo Ezequiel. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Rosario. Instituto de BiologĂ­a Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Instituto de BiologĂ­a Molecular y Celular de Rosario; ArgentinaFil: Cerri, Agustina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Rosario. Instituto de BiologĂ­a Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Instituto de BiologĂ­a Molecular y Celular de Rosario; ArgentinaFil: Chouhy, Diego. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Rosario. Instituto de BiologĂ­a Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Instituto de BiologĂ­a Molecular y Celular de Rosario; ArgentinaFil: Dus Santos, MarĂ­a JosĂ©. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de VirologĂ­a e Innovaciones TecnolĂłgicas. Grupo Vinculado Incuinta al IVIT | Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de VirologĂ­a e Innovaciones TecnolĂłgicas. Grupo Vinculado Incuinta al IVIT; Argentina. Universidad Nacional de Hurlingham; ArgentinaFil: Eberhardt, Maria Florencia. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe. Instituto de InvestigaciĂłn de la Cadena LĂĄctea. - Instituto Nacional de TecnologĂ­a Agropecuaria. Centro Regional Santa Fe. EstaciĂłn Experimental Agropecuaria Rafaela. Instituto de InvestigaciĂłn de la Cadena LĂĄctea; ArgentinaFil: FernĂĄndez, AilĂ©n. Gobierno de la Provincia del NeuquĂ©n. Ministerio de Salud. SecretarĂ­a de Salud PĂșblica NeuquĂ©n; ArgentinaFil: FernĂĄndez, Paula del Carmen. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: FernĂĄndez Do Porto, DarĂ­o Augusto. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Calculo. - Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Ciudad Universitaria. Instituto de Calculo; ArgentinaFil: Formichelli, Laura BelĂ©n. Universidad Nacional del Nordeste. Instituto de Medicina Regional; ArgentinaFil: Gismondi, MarĂ­a InĂ©s. Universidad Nacional de Lujan. Departamento de Ciencias BĂĄsicas. Laboratorio de GenĂłmica Computacional; Argentina. CIBIC Laboratorio; ArgentinaFil: Irazoqui, JosĂ© MatĂ­as. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Santa Fe. Instituto de InvestigaciĂłn de la Cadena LĂĄctea. - Instituto Nacional de TecnologĂ­a Agropecuaria. Centro Regional Santa Fe. EstaciĂłn Experimental Agropecuaria Rafaela. Instituto de InvestigaciĂłn de la Cadena LĂĄctea; ArgentinaFil: Lorenzini Campos, Melina Noelia. Universidad Nacional del Nordeste. Instituto de Medicina Regional; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Lusso, Silvina. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Marquez, Nathalie. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; Argentina. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de Investigaciones Agropecuarias. Instituto de PatologĂ­a Vegetal; ArgentinaFil: Muñoz, Marianne. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: Mussin, Javier Esteban. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; Argentina. Universidad Nacional del Nordeste. Instituto de Medicina Regional; ArgentinaFil: Natale, MĂłnica InĂ©s. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Oria, Griselda Ines. Universidad Nacional del Nordeste. Instituto de Medicina Regional; ArgentinaFil: Pisano, MarĂ­a BelĂ©n. Universidad Nacional de CĂłrdoba. Facultad de Medicina. Instituto de VirologĂ­a Dr. J. M. Vanella; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Posner, Victoria Maria. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Laboratorio de BiotecnologĂ­a AcuĂĄtica; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Puebla, Andrea. Instituto Nacional de TecnologĂ­a Agropecuaria. Centro de InvestigaciĂłn en Ciencias Veterinarias y AgronĂłmicas. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. Instituto de AgrobiotecnologĂ­a y BiologĂ­a Molecular; ArgentinaFil: RĂ©, Viviana Elizabeth. Universidad Nacional de CĂłrdoba. Facultad de Medicina. Instituto de VirologĂ­a Dr. J. M. Vanella; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Sosa, Ezequiel. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Ciudad Universitaria. Instituto de QuĂ­mica BiolĂłgica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de QuĂ­mica BiolĂłgica de la Facultad de Ciencias Exactas y Naturales; ArgentinaFil: Villanova, Gabriela Vanina. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas. Laboratorio de BiotecnologĂ­a AcuĂĄtica; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Zaiat, Jonathan Javier. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Ciudad Universitaria. Instituto de QuĂ­mica BiolĂłgica de la Facultad de Ciencias Exactas y Naturales. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de QuĂ­mica BiolĂłgica de la Facultad de Ciencias Exactas y Naturales; ArgentinaFil: Zunino, SebastiĂĄn. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Blas Dubarry; Argentina. Gobierno de la Provincia del NeuquĂ©n. Ministerio de Salud. SecretarĂ­a de Salud PĂșblica NeuquĂ©n; ArgentinaFil: Acevedo, MarĂ­a Elina. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Acosta, JuliĂĄn. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas; ArgentinaFil: Alvarez Lopez, Cristina. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Álvarez, MarĂ­a Laura. Gobierno de la Provincia de RĂ­o Negro. Hospital Zonal Doctor RamĂłn Carrillo; ArgentinaFil: Angeleri, Patricia. Gobierno de la Ciudad AutĂłnoma de Buenos Aires. Ministerio de Salud; ArgentinaFil: Angelletti, AndrĂ©s. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Laboratorio de Salud PĂșblica; Argentina. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: Arca, Manuel. Municipalidad de ConcepciĂłn del Uruguay (Entre RĂ­os). Hospital Justo JosĂ© de Urquiza; ArgentinaFil: Ayala, Natalia A.. Gobierno de la Provincia de Chaco. Ministerio de Salud Publica; ArgentinaFil: Barbas, Maria Gabriela. Gobierno de la Provincia de CĂłrdoba. Ministerio de Salud. SecretarĂ­a de PrevenciĂłn y PromociĂłn; ArgentinaFil: Bertone, Ana. Gobierno de la Provincia de La Pampa. Laboratorio de la DirecciĂłn de EpidemiologĂ­a. Santa Rosa; ArgentinaFil: Bonnet, Maria Agustina. Municipalidad de ConcepciĂłn del Uruguay (Entre RĂ­os). Hospital Justo JosĂ© de Urquiza; ArgentinaFil: Bourlot, Ignacio. Gobierno de la Provincia de Entre RĂ­os. Laboratorio de BiologĂ­a Molecular del Hospital Centenario. GualeguaychĂș; ArgentinaFil: Cabassi, MarĂ­a Victoria. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Laboratorio de Salud PĂșblica; ArgentinaFil: Castello, Alejandro. Universidad Nacional de Quilmes; ArgentinaFil: Castro, Gonzalo. Gobierno de la Provincia de CĂłrdoba. Ministerio de Salud. Laboratorio Central de la Provincia; ArgentinaFil: Cavatorta, Ana Laura. Universidad Nacional de Rosario. Facultad de Ciencias BioquĂ­micas y FarmacĂ©uticas; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Ceriani, Maria Carolina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Tandil. Centro de InvestigaciĂłn Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de InvestigaciĂłn Veterinaria de Tandil. Provincia de Buenos Aires. GobernaciĂłn. Comision de Investigaciones CientĂ­ficas. Centro de InvestigaciĂłn Veterinaria de Tandil; ArgentinaFil: Cimmino, Carlos JosĂ©. Instituto Nacional de EpidemiologĂ­a Dr. Jara. Mar del Plata; ArgentinaFil: Cipelli, JuliĂĄn. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Colmeiro, MarĂ­a. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: Cordero, AndrĂ©s. Universidad Nacional de la Plata. Facultad de Ciencias Exactas. Laboratorio de Salud PĂșblica; ArgentinaFil: Cristina, Silvia Carolina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro de Investigaciones y Transferencia del Noroeste de la Provincia de Buenos Aires. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Centro de Investigaciones y Transferencia del Noroeste de la Provincia de Buenos Aires; ArgentinaFil: Di Bella, Sofia. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: Dolcini, Guillermina Laura. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Tandil. Centro de InvestigaciĂłn Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de InvestigaciĂłn Veterinaria de Tandil. Provincia de Buenos Aires. GobernaciĂłn. Comision de Investigaciones CientĂ­ficas. Centro de InvestigaciĂłn Veterinaria de Tandil; ArgentinaFil: Ercole, Regina. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: Espasandin, Yesica Romina. Gobierno de la Provincia de RĂ­o Negro. Hospital Zonal Doctor RamĂłn Carrillo; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Espul, Carlos. Gobierno de la Provincia de Mendoza. Ministerio de Salud Desarrollo Social y Deportes; ArgentinaFil: Falaschi, Andrea. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: FernĂĄndez Moll, Facundo Lucio. Universidad Nacional del Noroeste de la Provincia de Buenos Aires. Centro de Bioinvestigaciones (Sede JunĂ­n); ArgentinaFil: Foussal, MarĂ­a Delia. Gobierno de la Provincia de Chaco. Hospital Julio CĂ©sar Perrando; ArgentinaFil: Gatelli, Andrea. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal Especializado de Agudos y CrĂłnicos San Juan de Dios; ArgentinaFil: Goñi, Sandra Elizabeth. Universidad Nacional de Quilmes; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: JofrĂ©, MarĂ­a Estela. Laboratorio de BiologĂ­a Molecular BolĂ­var; ArgentinaFil: Jaramillo Ortiz, JosĂ© Manuel. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Blas Dubarry; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Labarta, Natalia. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Lacaze, MarĂ­a Agustina. Gobierno de la Provincia de San Luis. Ministerio de Salud; ArgentinaFil: Larreche Calahorrano, MarĂ­a RocĂ­o. Laboratorio de BiologĂ­a Molecular BolĂ­var; ArgentinaFil: Leiva, Viviana. Laboratorio de Salud PĂșblica; ArgentinaFil: Levin, Gustavo Javier. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro de Investigaciones y Transferencia de Entre RĂ­os. Universidad Nacional de Entre RĂ­os. Centro de Investigaciones y Transferencia de Entre RĂ­os; ArgentinaFil: Luczak, Erica Natalia. Gobierno de la Provincia de Buenos Aires. Hospital Interzonal de Agudos Evita; ArgentinaFil: Mandile, Marcelo GastĂłn. Universidad Nacional de Quilmes; Argentina. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas; ArgentinaFil: Marino, Gioia. Provincia de Chaco. Hospital PediĂĄtrico Dr. Avelino CastelĂĄn; ArgentinaFil: Massone, Carla Antonella. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Blas Dubarry; ArgentinaFil: Mazzeo, Melina. Gobierno de la Provincia del Neuquen. Ministerio de Salud; ArgentinaFil: Medina, Carla. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños "Ricardo GutiĂ©rrez". Laboratorio de VirologĂ­a; ArgentinaFil: Monaco, BelĂ©n. Gobierno de la Provincia de Buenos Aires. Hospital Zonal General de Agudos Blas Dubarry; ArgentinaFil: Montoto, Luciana. Gobierno de la Ciudad de Buenos Aires. Hospital General de Niños Pedro Elizalde (ex Casa Cuna); ArgentinaFil: Mugna, Viviana. Gobierno de la Provincia de Santa Fe. Ministerio de Salud. Laboratorio Central de la Provincia de Santa Fe; ArgentinaFil: Musto, Alejandra Beatriz. Laboratorio de Salud PĂșblica; ArgentinaFil: Nadalich, Victoria. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Laboratorio de Salud PĂșblica; ArgentinaFil: Nieto FarĂ­as, MarĂ­a Victoria. Consejo Nacional de Investigaciones CientĂ­ficas y TĂ©cnicas. Centro CientĂ­fico TecnolĂłgico Conicet - Tandil. Centro de InvestigaciĂłn Veterinaria de Tandil. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de InvestigaciĂłn Veterinaria de Tandil. Provincia de Buenos Aires. GobernaciĂłn. Comision de Investigaciones CientĂ­ficas. Centro de InvestigaciĂłn Veterinaria de Tandil; ArgentinaFil: Ojeda, Guillermo. Gobierno de la Provincia de Santa Fe. Ministerio de Salud. Laboratorio Central de la Provincia de Santa Fe; ArgentinaFil: Piedrabuena, Andrea C.. Servicio de MicrobiologĂ­a. Hospital 4 de junio. Roque SĂĄenz Peña; ArgentinaFil: Pintos, Carolina. Gobierno de la Provincia del Neuquen. Ministerio de Salud; ArgentinaFil: Pozzati, Marcia. Gobierno de la Ciudad AutĂłnoma de Buenos Aires. Hospital General de Agudos Doctor Cosme Argerich; ArgentinaFil: Rahhal, Marilina. Gobierno de la Provincia de Buenos Aires. Hospital El Cruce Doctor NĂ©stor Carlos Kirchner. Centro de Medicina Traslacional; ArgentinaFil: Rechimont, Claudia. Laboratorio de la DirecciĂłn de EpidemiologĂ­a; ArgentinaFil: Remes Lenicov, Federico. Consejo Nacional de Investigaci

    Management of acute diverticulitis with pericolic free gas (ADIFAS). an international multicenter observational study

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    Background: There are no specific recommendations regarding the optimal management of this group of patients. The World Society of Emergency Surgery suggested a nonoperative strategy with antibiotic therapy, but this was a weak recommendation. This study aims to identify the optimal management of patients with acute diverticulitis (AD) presenting with pericolic free air with or without pericolic fluid. Methods: A multicenter, prospective, international study of patients diagnosed with AD and pericolic-free air with or without pericolic free fluid at a computed tomography (CT) scan between May 2020 and June 2021 was included. Patients were excluded if they had intra-abdominal distant free air, an abscess, generalized peritonitis, or less than a 1-year follow-up. The primary outcome was the rate of failure of nonoperative management within the index admission. Secondary outcomes included the rate of failure of nonoperative management within the first year and risk factors for failure. Results: A total of 810 patients were recruited across 69 European and South American centers; 744 patients (92%) were treated nonoperatively, and 66 (8%) underwent immediate surgery. Baseline characteristics were similar between groups. Hinchey II-IV on diagnostic imaging was the only independent risk factor for surgical intervention during index admission (odds ratios: 12.5, 95% CI: 2.4-64, P =0.003). Among patients treated nonoperatively, at index admission, 697 (94%) patients were discharged without any complications, 35 (4.7%) required emergency surgery, and 12 (1.6%) percutaneous drainage. Free pericolic fluid on CT scan was associated with a higher risk of failure of nonoperative management (odds ratios: 4.9, 95% CI: 1.2-19.9, P =0.023), with 88% of success compared to 96% without free fluid ( P &lt;0.001). The rate of treatment failure with nonoperative management during the first year of follow-up was 16.5%. Conclusion: Patients with AD presenting with pericolic free gas can be successfully managed nonoperatively in the vast majority of cases. Patients with both free pericolic gas and free pericolic fluid on a CT scan are at a higher risk of failing nonoperative management and require closer observation

    EVALITA Evaluation of NLP and Speech Tools for Italian - December 17th, 2020

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    Welcome to EVALITA 2020! EVALITA is the evaluation campaign of Natural Language Processing and Speech Tools for Italian. EVALITA is an initiative of the Italian Association for Computational Linguistics (AILC, http://www.ai-lc.it) and it is endorsed by the Italian Association for Artificial Intelligence (AIxIA, http://www.aixia.it) and the Italian Association for Speech Sciences (AISV, http://www.aisv.it)

    Reducing the environmental impact of surgery on a global scale: systematic review and co-prioritization with healthcare workers in 132 countries

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    Abstract Background Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres. Methods This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published interventions and global consultation of perioperative healthcare professionals were used to longlist interventions. In phase 2, iterative thematic analysis consolidated comparable interventions into a shortlist. In phase 3, the shortlist was co-prioritized based on patient and clinician views on acceptability, feasibility, and safety. In phase 4, ranked lists of interventions were presented by their relevance to high-income countries and low–middle-income countries. Results In phase 1, 43 interventions were identified, which had low uptake in practice according to 3042 professionals globally. In phase 2, a shortlist of 15 intervention domains was generated. In phase 3, interventions were deemed acceptable for more than 90 per cent of patients except for reducing general anaesthesia (84 per cent) and re-sterilization of ‘single-use’ consumables (86 per cent). In phase 4, the top three shortlisted interventions for high-income countries were: introducing recycling; reducing use of anaesthetic gases; and appropriate clinical waste processing. In phase 4, the top three shortlisted interventions for low–middle-income countries were: introducing reusable surgical devices; reducing use of consumables; and reducing the use of general anaesthesia. Conclusion This is a step toward environmentally sustainable operating environments with actionable interventions applicable to both high– and low–middle–income countries

    Body Composition Changes in Hemodialysis Patients: Implications for Prognosis

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    Background: Overhydration, inflammation and protein-energy wasting have been related to all-cause mortality in dialysis patients, being lean mass loss, a poor prognostic factor. Objective: to monitor body composition changes (BCC) in hemodialysis (HD) patients and to relate BCC to mortality. Methods: Prospective follow up study: Bioimpedance spectroscopy (BIS) and nutritional parameters were performed every 6 months during three years. Results : Overall data show a significant loss of weight at 12m, 24m, and 36m, with decrease of lean tissue index and phase angle (PA) in each period measured. Fat tissue index (FTI) diminished in the third year’s measurements. End of first year, 41 % of patients gain weight, them at baseline had lower age, higher serum albumin, lower Extracelular/intracellular water index (ECW/ICW) and higher PA, showing a significant FTI increase. Higher baseline PA was gain weight predictor by binary logistic regression. Cox regression analyses: Age, diabetes, HD technique, albumin, ECW/ICW, and PA were mortality predictors in univariate analysis; being PA the main mortality predictor in multivariate analysis. BCC were not associated with mortality. ROC curve: PA higher than 4.85° is protective for mortality. Conclusions: Lean mass loss was the most important change during follow up; we have not observed association between BCC with mortality. PA was the main mortality predictor.S

    Suicidal ideation in a European Huntington's disease population.

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