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ECIEN-2020 study:the effect of COVID-19 on admissions for non-COVID-19 diseases

World Journal of Pediatrics 2021年第1期17卷 85-91页

作者： Beatriz Ramos-Lacuey mercedes herranz aguirre Clara Calderón Gallego Andrea Ilundain López de Munain Eva Gembero Esarte Laura Moreno-Galarraga Department of Pediatrics CHNComplejo Hospitalario de NavarraServicio Navarro de SaludC/Irunlarrea 331080 PamplonaSpain Pediatric Infectious Diseases Department CHNComplejo Hospitalario de NavarraServicio Navarro de SaludPamplonaSpain Pediatric Hospitalization Department of PediatricsCHNComplejo Hospitalario de NavarraServicio Navarro de SaludPamplonaSpain IdiSNA Navarra Institute for Health ResearchPamplonaSpain Department of Preventive Medicine and Public Health School of MedicineUniversity of NavarraPamplonaSpain Pediatric Pulmonology Department of PediatricsCHNComplejo Hospitalario de NavarraServicio Navarro de SaludPamplonaSpain

Background The pandemic caused by severe acute respiratory coronavirus 2(SARS-CoV-2)has had great effects on health systems worldwide,not only in relation to coronavirus disease 2019(COVID-19)cases but also affecting patients with other *** ECIEN-2020 is an observational study conducted in a tertiary referral hospital in Navarra,*** describes the effects of COVID-19 pandemic and the preventive measures adopted,in pediatric admissions for non-COVID-19 *** during March-June 2020(first wave of the COVID-19 pandemic in Spain)are described and compared with the same quarter in 2019.A sub-analysis was performed delving into *** characteristics(age,sex,past medical history),disease characteristics(symptoms,duration of symptoms,previous consultation in Primary Care Health Center),and admission characteristics(place and average stay)were *** A 33% reduction in the number of pediatric hospital admissions was observed,decreasing from 529 hospitaliza-tions in 2019 to 353 in 2020(P<0.001).This highlights a 48% reduction in patients admitted for pulmonary *** were no significant changes in average hospital-stay,percentage of intensive care unit admissions,or in admissions for other *** of patients admitted among those seen in the emergency department rose from 5.1%in 2019 to 10.9% in 2020,whereas the total number of consultations in the emergency department decreased by 68%.Conclusion The pandemic and the measures adopted due to SARS-CoV-2 have significantly decreased pediatric admissions for non-COVID-19 diseases,especially due to a reduction in the hospitalization for respiratory diseases.

关键词： Admission COVID-19 Hospitalization SARS-CoV-2

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SARS-CoV-2 infection in children requiring hospitalization: the experience of Navarra, Spain

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World Journal of Pediatrics 2020年第6期16卷 614-622页

作者： Laura Moreno-Galarraga Maria Urretavizcaya-Martinez Josune Alegria Echauri Marcos Garcia Howard Eva Ruperez Garcia Sergio Aguilera-Albesa Valentin Alzina de Aguilar mercedes herranz aguirre Pediatric Pulmonology Department of PediatricsCHNComplejo Hospitalario de NavarraServicio Navarro de SaludC/Irunlarrea 331080 PamplonaSpain IdiSNA.Navarra Institute for Health Research PamplonaSpain Department of Preventive Medicine and Public Health.School of Medicine.University of Navarra Pamplona.wSpain Department of Pediatrics CHNComplejo Hospitalario de NavarraServicio Navarro de Salud.Pamplona.Spain Pediatric Cardiology Department of PediatricsCHN.Complejo Hospitalario de NavarraServicio Navarro de SaludPamplonaSpain Pediatric Neurology Department of PediatricsCHN.Complejo Hospitalario de NavarraServicio Navarro de SaludPamplonaSpain Department of Pediatrics CUN.Clfnica Universidad de NavarraPamplona.Spain Department of Pediatrics School of MedicineUniversity of NavarraPamplona.Spain

Background Coronavirus disease 2019 in children,or pediatric COVID-19,initially was described as an acute respiratory syndrome similar to the adult presentation but with less severe *** We describe the clinical characteristics,disease presentation,treatments and outcomes of all pediatric cases with COVID-19 admitted to the reference hospitals in Navarra,Spain during the first wave of the COVID-19 outbreak(February-May 2020).Results We found a low number of hospitalized cases in infants and children compared to adults with a hospitalization ratio of 1:*** of these hospitalized cases did not suffer from severe *** 80%of infections reported household contacts,and the mother was the known-contact in 83%of these cases.72%of hospitalized cases were previously healthy *** describe how symptoms in pediatric cases are nonspecific and how COVID-19 can be presented with a wide range and variety of *** symptoms are not always present,and severe neurological and cardiac features can occur in previously healthy *** Epidemiological description and case reports will be key to a better recognition and to adequate treatment of pediatric patients with COVID-19.

关键词： Coronavirus disease 2019 Hospitalization Severe acute respiratory syndrome coronavirus 2

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Mesenchymal stem cell-derived exosomes promote neurogenesis and cognitive function recovery in a mouse model of Alzheimer’s disease

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Neural Regeneration Research 2019年第9期14卷 1626-1634页

作者： Edwin E. Reza-Zaldivar mercedes A. Hernández-Sapiéns Yanet K. Gutiérrez-Mercado Sergio Sandoval-ávila Ulises Gomez-Pinedo Ana L. Márquez-aguirre Estefanía Vázquez-Méndez Eduardo Padilla-Camberos Alejandro A. Canales-aguirre Unidad de Evaluation Preclinica Unidad de Biotecnologia Medica y FarmaceuticaCentro de Investigation y Asistencia en Tecnologia y Diseno del Estado de JaliscoGuadalajaraMexico Regenerative Medicine Unit Neuroscience InstituteDepartment of Neurosurgery and NeurologyIdlSSC Health Research Institute of the Hospital Clinico San CarlosMadridSpain

Studies have shown that mesenchymal stem cell-derived exosomes can enhance neural plasticity and improve cognitive *** purpose of this study was to investigate the effects of mesenchymal stem cell-derived exosomes on neurogenesis and cognitive capacity in a mouse model of Alzheimer’s ***’s disease mouse models were established by injection of beta amyloid 1?42 aggregates into dentate gyrus *** water maze and novel object recognition tests were performed to evaluate mouse cognitive deficits at 14 and 28 days after ***,neurogenesis in the subventricular zone was determined by immunofluorescence using doublecortin and PSA-NCAM *** showed that mesenchymal stem cells-derived exosomes stimulated neurogenesis in the subventricular zone and alleviated beta amyloid 1?42-induced cognitive impairment,and these effects are similar to those shown in the mesenchymal stem *** findings provide evidence to validate the possibility of developing cell-free therapeutic strategies for Alzheimer’s *** procedures and experiments were approved by Institutional Animal Care and Use Committee(CICUAL)(approval *** 2016-011)on April 25,2016.

关键词： Alzheimer’s disease neurodegenerative disease cognitive impairment memory Alzheimer’s disease mouse model mesenchymal stem cell exosomes neurogenesis cognitive improvement cell-free therapy neural regeneration

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Presenilin mutations and their impact on neuronal differentiation in Alzheimer’s disease

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Neural Regeneration Research 2022年第1期17卷 31-37页

作者： mercedes A.Hernández-Sapiéns Edwin E.Reza-Zaldívar Ana L.Márquez-aguirre Ulises Gómez-Pinedo Jorge Matias-Guiu Ricardo R.Cevallos Juan C.Mateos-Díaz Víctor J.Sánchez-González Alejandro A.Canales-aguirre Unidad de Evaluación Preclínica Unidad de Biotecnología Médica y FarmacéuticaCentro de Investigación y Asistencia en Tecnología y Diseño del Estado de JaliscoGuadalajaraMéxico Instituto de Neurociencias IdISSCHospital Clínico San CarlosMadridEspaña Biochemistry and Molecular Genetics Department University of AlabamaBirminghamAlabama Unidad de Biotecnología Industrial Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de JaliscoGuadalajaraMéxico Centro Universitario de los Altos Universidad de GuadalajaraGuadalajaraMéxico

The presenilin genes(PSEN1 and PSEN2)are mainly responsible for causing early-onset familial Alzheimer’s disease,harboring~300 causative mutations,and representing~90%of all mutations associated with a very aggressive disease *** 1 is the catalytic core of theγ-secretase complex that conducts the intramembranous proteolytic excision of multiple transmembrane proteins like the amyloid precursor protein,Notch-1,N-and E-cadherin,LRP,Syndecan,Delta,Jagged,CD44,ErbB4,and *** 1 plays an essential role in neural progenitor maintenance,neurogenesis,neurite outgrowth,synaptic function,neuronal function,myelination,and ***,an imbalance caused by mutations in presenilin 1/γ-secretase might cause aberrant signaling,synaptic dysfunction,memory impairment,and increased Aβ42/Aβ40 ratio,contributing to neurodegeneration during the initial stages of Alzheimer’s disease *** review focuses on the neuronal differentiation dysregulation mediated by PSEN1 mutations in Alzheimer’s ***,we emphasize the importance of Alzheimer’s disease-induced pluripotent stem cells models in analyzing PSEN1 mutations implication over the early stages of the Alzheimer’s disease pathogenesis throughout neuronal differentiation impairment.

关键词： familial Alzheimer’s disease familial Alzheimer’s disease-induced pluripotent stem cells models induced pluripotent stem cells neurogenesis neuronal differentiation Notch presenilin 1 PSEN1 mutations γ-secretase complex

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