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Antenatal use of bosentan and/or sildenafil attenuates pulmonary features in rats with congenital diaphragmatic hernia

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World Journal of Pediatrics 2014年第4期10卷 354-359页

作者： María de lourdes Lemus-Varela Amed Soliz Belinda Claudia Gómez-Meda ana lourdes zamora-perez José Manuel Ornelas-Aguirre Valery Melnikov Blanca Miriam Torres-Mendoza Guillermo Moisés Zúñiga-González Division of Neonatology High Specialty Medical UnitPediatric HospitalWestern National Medical CenterMexican Social Security InstituteGuadalajaraJaliscoMéxico Neonatal Intensive Care Unit Division of NeonatologyMiami Children's HospitalMiami FLDUSA Molecular Biology in Medicine Institute Molecular Biology and Genomic DepartmentHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Odontology Research Institute Integrated Odontology Clinic DepartmentHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Pathology Department High Specialty Medical UnitNorth-western National Medical CenterMexican Social Security InstituteCiudad ObregónSonoraMéxico School of Medicine University of ColimaColimaMéxico Division of Neurosciences Western Biomedical Research CenterMexican Social Security Institute and Department of ClinicsHealth Sciences University CenterUniversity of GuadalajaraGuadalajaraJaliscoMéxico Mutagenesis Laboratory Western Biomedical Research CenterMexican Social Security InstituteGuadalajaraJaliscoMéxico

Background:Lung hypoplasia,pulmonary persistent hypertension of the newborn and its morphological changes are the main features in congenital diaphragmatic hernia(CDH).This study was undertaken to investigate if antenatal use of sildenafil and/or bosentan attenuates vascular remodeling,promotes branching,and improves alveolarization in experimental nitrofeninduced ***:Nitrofen(100 mg)was gavage-fed to pregnant rats at post conception day(PCD)9 to induce *** rats were randomized to 5 groups:1)control;2)nitrofen;3)nitrofen+sildenafil 100 mg/kg per day at PCD 16-20;4)nitrofen+bosentan 30 mg/kg per day,at PCD 16-20,and 5)nitrofen+bosentan+sildenafil,same doses and administration *** cesarean delivery,the offsprings were sacrifi *** diaphragmatic defect and pulmonary hypoplasia were identified,and the lungs were *** wall thickness,bronchiolar density and alveolarization were ***:The offsprings with CDH were characterized by severe pulmonary hypoplasia(lung weight-to-body weight ratio:0.0263[95%confidence interval(CI)0.0242-0.0278)]in the nitrofen group versus 0.0385(95%CI 0.0355-0.0424)in the control group(P=0.0001).Pulmonary arterial wall thickness was decreased to 3.0(95%CI 2.8-3.7)μm in the nitrofen+sildenafil group versus 5.0(95%CI 4.1-4.9)μm in the nitrofen group(P=0.02).Terminal bronchioles increased to 13.7(95%CI 10.7-15.2)μm in the nitrofen+bosentan group in contrast to 8.7(95%CI 7.2-9.4)μm in the nitrofen group(P=0.002).More significant differences(P=0.0001)were seen in terminal bronchioles in the nitrofen+sildenafil+bosentan group than in the nitrofen group[14.0(95%CI 12.5-15.4)μm versus 8.5(95%CI 7.1-9.3)μm].Pulmonary arterial wall thickness was also decreased in the former ***:In this rat model,antenatal treatment with sildenafil attenuates vascular *** promotes the development of terminal bronchioles in nitrofen-induced CDH.

关键词： antenatal treatment bosentan congenital diaphragmatic hernia pulmonary hypoplasia sildenafil

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Treatment of spinal cord injury with biomaterials and stem cell therapy in non-human primates and humans

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Neural Regeneration Research 2025年第2期20卷 343-353页

作者： ana Milena Silva Olaya Fernanda Martins Almeida ana Maria Blanco Martinez Suelen Adriani Marques PhD Program in Pathological anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Biomedical Science Institute Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological anatomy(PPGAP/UFRJ) Department of Neurobiology/Institute of BiologyCampus do GragoatáNiteróiRio de JaneiroBrazil

Spinal cord injury results in the loss of sensory,motor,and autonomic functions,which almost always produces permanent physical ***,in the search for more effective treatments than those already applied for years,which are not entirely efficient,researches have been able to demonstrate the potential of biological strategies using biomaterials to tissue manufacturing through bioengineering and stem cell therapy as a neuroregenerative approach,seeking to promote neuronal recovery after spinal cord *** of these strategies has been developed and meticulously evaluated in several animal models with the aim of analyzing the potential of interventions for neuronal repair and,consequently,boosting functional *** the majority of experimental research has been conducted in rodents,there is increasing recognition of the importance,and need,of evaluating the safety and efficacy of these interventions in non-human primates before moving to clinical trials involving therapies potentially promising in *** article is a literature review from databases(PubMed,Science Direct,Elsevier,Scielo,Redalyc,Cochrane,and NCBI)from 10 years ago to date,using keywords(spinal cord injury,cell therapy,non-human primates,humans,and bioengineering in spinal cord injury).From 110 retrieved articles,after two selection rounds based on inclusion and exclusion criteria,21 articles were ***,this review arises from the need to recognize the experimental therapeutic advances applied in non-human primates and even humans,aimed at deepening these strategies and identifying the advantages and influence of the results on extrapolation for clinical applicability in humans.

关键词： bioengineering biomaterials cell therapy humans non-human primates spinal cord injury stem cell therapy

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In vitro antioxidant,antilipoxygenase and antimicrobial activities of extracts from seven climbing plants belonging to the Bignoniaceae

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Journal of Integrative Medicine 2018年第4期16卷 255-262页

作者： Carola analla Torres Cristina Marisel perez zamora Maria Beatriz Nunez ana Maria Gonzalez Laboratory of Microbiology and Pharmaceutical Technology Department of Basic and Applied SciencesNational University of Chaco AustralPresidencia Roque Saenz Pena 3700ChacoArgentina National Council for Scientific and Technical Research(CONICET) Godoy Cruz 2290Buenos Aires C1425FQBArgentina Institute of Botany of the Northeast(IBONE-CONICET) Sargento Juan Bautista Cabral 2131CorrientesArgentina

Objectives： This study aimed to evaluate the in vitro antioxidant capacity, to determine the anti-inflammatory effect due to lipoxygenase inhibition and to test the antimicrobial activity of ethanolic extracts from leaves of seven climbing species belonging to the Bignoniaceae family. These species are Adenocalyrnrna rnarginatum （Cham.） DC., Amphilophium vauthieri DC., Cuspidaria convoluta （VEIL） A. H. Gentry, Dolichandra dentata （K. Schum.） L. G. Lohmann, Fridericia caudigera （S. Moore） L. G. Lohmann, Fridericia chica （Bonpl.） L. G. Lohmann and Tanaecium selloi （Spreng.） L. G. Lohmann. Methods： The antioxidant activity was evaluated using three methods, 2,2＇-azino-bis（3-ethylbenzothiazo line-6-sulfonic acid）（ABTS）, 2,2-diphenyl-l-picrylhydrazyl （DPPH）, and ferric reducing antioxidant power. Lipoxygenase-inhibiting activity was assayed spectrophotometrically; the result was expressed as percent inhibition. The antimicrobial activity was assessed using the agar disk diffusion method. Minimal inhibitory concentration （MIC） and minimal bactericidal]fungicidal concentration were also determined for each extract against 12 pathogenic bacterial strains of Staphylococcus aureus and seven fungal strains of the Candida genus. The identification of the major compounds present in the most promising extract was established by high-performance liquid chromatography-tandem mass spectrometry. Results： C convoluta, F. caudigera, and F. chica exhibited the best antioxidant activity by scavenging DPPH and ABTS~ radicals and reducing Fe3＋ ion. These extracts showed a notable inhibition of lipnxygenase. F. caudigera was found to have the lower MIC value against S. aureus strains and six Candida species. The extracts of F. caudigera and C. convoluta were active even against methicillin-resistant S. aureus. C convoluta had higher total phenol content, better antioxidant activity and superior anti- inflammatory and antimicrobial activity. The main phenolic compounds found in this extract

关键词： Cuspidaria Fridericia Antioxidants Lipoxygenase Antimicrobials Herbal drugs Free radical scavengers

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Impacts of PI3K/protein kinase B pathway activation in reactive astrocytes: from detrimental effects to protective functions

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Neural Regeneration Research 2025年第4期20卷 1031-1041页

作者： Ramón Pérez-Núñez María Fernanda González ana María Avalos Lisette Leyton Cellular Communication Laboratory Programa de Biología Celular y MolecularCenter for Studies on ExerciseMetabolism and Cancer(CEMC)Instituto de Ciencias Biomédicas(ICBM)Facultad de MedicinaUniversidad de ChileSantiagoChile Advanced Center for Chronic Diseases(ACCDiS) Faculty of Chemical and Pharmaceutical Sciences&Faculty of MedicineUniversidad de ChileSantiagoChile Instituto de Ciencias Biomédicas Facultad de Ciencias de la SaludUniversidad Autónoma de ChileSantiagoChile

Astrocytes are the most abundant type of glial cell in the central nervous *** injury and inflammation,astrocytes become reactive and undergo morphological and functional *** on their phenotypic classification as A1 or A2,reactive astrocytes contribute to both neurotoxic and neuroprotective responses,***,this binary classification does not fully capture the diversity of astrocyte responses observed across different diseases and *** analysis has revealed that reactive astrocytes have a complex landscape of gene expression profiles,which emphasizes the heterogeneous nature of their *** actively participate in regulating central nervous system inflammation by interacting with microglia and other cell types,releasing cytokines,and influencing the immune *** phosphoinositide 3-kinase(PI3K)/protein kinase B(AKT)signaling pathway is a central player in astrocyte reactivity and impacts various aspects of astrocyte behavior,as evidenced by in silico,in vitro,and in vivo *** astrocytes,inflammatory cues trigger a cascade of molecular events,where nuclear factor-κB serves as a central mediator of the pro-inflammatory ***,we review the heterogeneity of reactive astrocytes and the molecular mechanisms underlying their *** highlight the involvement of various signaling pathways that regulate astrocyte reactivity,including the PI3K/AKT/mammalian target of rapamycin(mTOR),αvβ3 integrin/PI3K/AKT/connexin 43,and Notch/PI3K/AKT *** targeting the inactivation of the PI3K/AKT cellular signaling pathway to control reactive astrocytes and prevent central nervous system damage,evidence suggests that activating this pathway could also yield beneficial *** dual function of the PI3K/AKT pathway underscores its complexity in astrocyte reactivity and brain function *** review emphasizes the importance of employing astrocyte-exclusive models to underst

关键词： inflammation integrins neuroprotective neurotoxic phosphatidylinositol 3-kinase reactive astrocytes signal transduction Thy-1(CD90)

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Creeping fat and gut microbiota in Crohn’s disease

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World Journal of Gastroenterology 2025年第1期31卷 16-23页

作者： ana EV Quaglio Daniéla O Magro Marcello Imbrizi Ellen CS De Oliveira Luiz C Di Stasi Ligia Y Sassaki Verum Ingredients Botucatu Technology ParkBotucatu 18605-525São PauloBrazil Department of Surgery Faculty of Medical SciencesState University of CampinasCampinas 13083-970São PauloBrazil Department of Gastroenterology Faculty of Medical SciencesUniversity of CampinasCampinas 13083-970São PauloBrazil Department of Internal Medicine Medical SchoolSão Paulo State UniversityBotucatu 18618-686São PauloBrazil Department of Biophysics and Pharmacology Institute of BiosciencesSão Paulo State UniversityBotucatu 18618-689São PauloBrazil

In this article,we explored the role of adipose tissue,especially mesenteric adipose tissue and creeping fat,and its association with the gut microbiota in the pathophysiology and progression of Crohn’s disease(CD).CD is a form of inflammatory bowel disease characterized by chronic inflammation of the gastrointestinal tract,influenced by genetic predisposition,gut microbiota dysbiosis,and environmental *** microbiota plays a crucial role in modulating immune response and intestinal inflammation and is associated with the onset and progression of ***,visceral adipose tissue,particularly creeping fat,a mesenteric adipose tissue characterized by hypertrophy and fibrosis,has been implicated in CD pathogenesis,inflammation,and *** bacteria from the gut microbiota may translocate into mesenteric adipose tissue,contributing to the formation of creeping fat and influencing CD *** creeping fat may be a protective barrier against bacterial invasion,its expansion can damage adjacent tissues,leading to *** gut microbiota through interventions such as fecal microbiota transplantation,probiotics,and prebiotics has shown potential in managing ***,more research is needed to clarify the mechanisms linking gut dysbiosis,creeping fat,and CD progression and develop targeted therapies for microbiota modulation and fat-related complications in patients with CD.

关键词： Creeping fat Mesenteric adipose tissue Gut microbiota Crohn’s disease Inflammatory bowel disease

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Mapping of groundwater potential zones in the drought-prone areas of south Madagascar using geospatial techniques

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Geoscience Frontiers 2020年第4期11卷 1403-1413页

作者： Charles Serele ana perez-Hoyos Francois Kayitakire UNICEF Madagascar European Commission Joint Research Centre(JRC)Via E.Fermi 2749I-21027IspraVAItaly

The southern regions of Madagascar have the country’s lowest water supply coverage and are highly vulnerable to *** to potable drinking water is a major challenge for the local *** droughts lead to annual emergency appeals to save the lives of acute malnourished ***’s response consisting in providing potable drinking water through the drilling of boreholes has been challenged by the complex hydrogeology,the low yield of boreholes and high-level salinity of water,the lack of reliable groundwater data and the weak capacity of the drilling *** constraints result in a high rate of drilling *** improve drilling success and provide more potable drinking water to local communities,it is vital to undertake reliable groundwater *** Madagascar and the European Union delegation in Madagascar collaborated on the use of satellite imagery to improve sector knowledge and access to safe and clean water for local communities in southern *** methodology relies on produce thematic layers of groundwater potential ***,these thematic layers were overlaid with ground-based hydrogeological data to map the groundwater potential zones(GWP) and identify the most suitable sites for borehole siting and *** of this study are very encouraging,and the integrated approach used has proven its applicability in mapping groundwater potential areas in the eight drought-affected areas of south *** groundwater potential zone map is being used by UNICEF and partners to plan water supply projects and identify the best sites for positioning new boreholes and reduce the likelihood of drilling ***,the project developed a database of groundwater resources,which will improve knowledge of the regional hydrogeological context and strengthen the capacity of the water *** learnt from this study show that an integration of the groundwater potential zone map with demographics a

关键词： Groundwater potential zones(GWP) Overlay analysis Remote sensing Geographic information system(GIS) South Madagascar

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Engineering operando methodology： Understanding catalysis in time and space

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Frontiers of Chemical Science and Engineering 2018年第3期12卷 509-536页

作者： Raquel Portela Susana perez-Ferreras ana Serrano-Lotina Miguel A. Banares Instituto de Catalisis y Petroleoquimica ICP-CSIC Marie Curie 2 Madrid Spain

The term operando was coined at the begin- ning of this century to gather the growing efforts devoted to establish structure-activity relationships by simulta- neously characterizing a catalyst performance and the relevant surface chemistry during genuine catalytic opera- tion. This approach is now widespread and consolidated; it has become an increasingly complex but efficient junction where spectroscopy, materials science, catalysis and engineering meet. While for some characterization techni- ques kinetically relevant reactor cells with good resolution are recently developing, the knowledge gained with magnetic resonance and X-ray and vibrational spectro- scopy studies is already huge and the scope of operando methodology with these techniques is recently expanding from studies with small amounts of powdered solids to more industrially relevant catalytic systems. Engineering catalysis implies larger physical domains, and thus all sort of gradients. Space- and time- resolved multi-technique characterization of both the solid and fluid phases involved in heterogeneous catalytic reactions （including temperature data） is key to map processes from different perspectives, which allows taking into account existing heterogeneities at different scales and facing up- and down-scaling for applications ranging from microstructured reactors to industrial-like macroreactors （operating with shaped catalytic bodies and/or in integral regime）. This work reviews how operando methodology is evolving toward engineered reaction systems.

关键词： operando structured catalysts spaceresolved time-resolved spectroscopy

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Patients admitted in the intensive care unit after solid organ or bone marrow transplantation:Retrospective cohort study

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World Journal of Transplantation 2025年第1期15卷 95-104页

作者： ana Vujaklija Brajkovic Iva Kosuta Lucija Batur Sara Sundalic Marijana Medic Andro Vujevic Luka Bielen Jaksa Babel Department of Internal Medicine University Hospital Centre ZagrebZagreb 10000Croatia School of Medicine University of ZagrebZagreb 10000Croatia

BACKGROUND Solid organ transplantation(SOT)and hematopoietic stem cell transplantation(HSCT)revolutionized the survival and quality of life of patients with malignant diseases,various immunologic,and metabolic disorders or those associated with a significant impairment in a patient's quality of *** To investigate admission causes and treatment outcomes of patients after SOT or HSCT treated in a medical intensive care unit(ICU).METHODS We conducted a single-center,retrospective epidemiological study in the medical ICU at the University Hospital Centre Zagreb,Croatia covering the period from January 1,2018 to December 31,*** The study included 91 patients with either SOT[28 patients(30.8%)]or HSCT[63 patients(69.2%)].The median age was 56(43.2-64.7)years,and 60.4%of the patients were *** with SOT had more comorbidities than patients after HSCT[χ^(2)(5,n=141)=18.513,P<0.001].Sepsis and septic shock were the most frequent reasons for admission,followed by acute respiratory insufficiency in patients following *** rate significantly differed between SOT and HSCT[χ^(2)(1,n=91)=21.767,P<0.001].ICU survival was 57%in the SOT and 12.7%in the HSCT *** need for mechanical ventilation[χ^(2)(1,n=91)=17.081,P<0.001]and vasopressor therapy[χ^(2)(1,n=91)=36.803,P<0.001]was associated with *** necessity for acute renal replacement therapy did not influence patients'survival[χ^(2)(1,n=91)=0.376,P=0.54].In the subgroup of patients with infection,90%had septic shock,and the majority had positive microbiological samples,mostly Gram-negative *** ICU survival of patients with sepsis/septic shock cumulatively was 15%.The survival of SOT patients with sepsis/shock was 45%.CONCLUSION Patients with SOT or HSCT are frequently admitted to the ICU due to sepsis and septic *** advancements in critical care,the mortality rate of patients with refractory septic shock and multiorgan failure in this patient population is extremely hig

关键词： Liver transplantation Kidney transplantation Hematopoietic stem cell transplantation Critical care Sepsis Septic shock Mortality

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The dorsal root ganglion as a target for neurorestoration in neuropathic pain

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Neural Regeneration Research 2024年第2期19卷 296-301页

作者： Guillermo Estivill-Torrús ana Belen Martínez-Padilla lourdes Sánchez-Salido Anne Baron-Van Evercooren Beatriz García-Díaz Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina(IBIMA Plataforma BIONAND) MálagaSpain Unidad Clínica de Neurociencias Hospital Regional Universitario de MálagaMálagaSpain Departamento de Biología Molecular y Bioquímica Universidad de MálagaSpain Sorbonne Université Institut du Cerveau-Paris Brain Institute-ICMINSERMCNRSAP-HPHôpital Pitié-SalpêtrièreParisFrance

Neuropathic pain is a severe and chronic condition widely found in the general *** reason for this is the extensive variety of damage or diseases that can spark this unpleasant constant feeling in *** the processing of pain,the dorsal root ganglia constitute an important region where dorsal root ganglion neurons play a crucial role in the transmission and propagation of sensory electrical ***,the dorsal root ganglia have recently exhibited a regenerative capacity that should not be neglected in the understanding of the development and resolution of neuropathic pain and in the elucidation of innovative ***,we will review the complex interplay between cells(satellite glial cells and inflammatory cells)and factors(cytokines,neurotrophic factors and genetic factors)that takes place within the dorsal root ganglia and accounts for the generation of the aberrant excitation of primary sensory neurons occurring in neuropathic *** importantly,we will summarize an updated view of the current pharmacologic and nonpharmacologic therapies targeting the dorsal root ganglia for the treatment of neuropathic pain.

关键词： cytokines dorsal root ganglia genetic factors neuropathic pain neurotrophic factors pharmacologic and nonpharmacologic therapies satellite glial cells sensory neurons

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Cardiovascular impact of COVID-19 with a focus on children: A systematic review

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World Journal of Clinical Cases 2020年第21期8卷 5250-5283页

作者： Moises Rodriguez-Gonzalez ana Castellano-Martinez Helena Maria Cascales-Poyatos Alvaro Antonio perez-Reviriego Pediatric Cardiology Division Puerta del Mar University HospitalCadiz 11009Spain Biomedical Research and Innovation Institute of Cadiz Puerta del Mar University HospitalCadiz 11009Spain Pediatric Nephrology Division Puerta del Mar University HospitalCadiz 11009Spain Pediatrics Division Motril-San Antonio Primary Care CenterMotril 18600Spain Pediatrics Division UGC Pediatria AG Sur GranadaSanta Ana HospitalMotril 18600Spain

BACKGROUND Since the beginning of the pandemic,coronavirus disease-2019(COVID-19)in children has shown milder cases and a better prognosis than *** the respiratory tract is the primary target for severe acute respiratory syndrome coronavirus 2(SARS-CoV-2),cardiovascular involvement is emerging as one of the most significant and life-threatening complications of SARS-CoV-2 infection in *** To summarize the current knowledge about the potential cardiovascular involvement in pediatric COVID-19 in order to give a perspective on how to take care of them during the current pandemic *** Multiple searches in MEDLINE,PubMed were performed using the search terms“COVID-19”or“SARS-CoV-2"were used in combination with“myocardial injury”or"arrhythmia"or“cardiovascular involvement”or"heart disease"or"congenital heart disease"or“pulmonary hypertension”or"long QT"or“cardiomyopathies”or“channelopathies”or"Multisystem inflammatory system"or"PMIS"or“MIS-C”or”Pediatric multisystem inflammatory syndrome"or"myocarditis"or"thromboembolism to identify articles published in English language from January 1st,2020 until July 31st,*** websites of World Health Organization,Centers for Disease control and Prevention,and the Johns Hopkins Coronavirus Resource Center were reviewed to provide up to date numbers and infection control *** lists from the articles were reviewed to identify additional pertinent *** manuscripts concerning the subject were reviewed by the authors,and the data were extracted using a standardized collection *** were subsequently analyzed with descriptive *** Pediatric multisystemic inflammatory syndrome temporally associated with COVID-19(PMIS),multiple meta-analyses were conducted to summarize the pooled mean proportion of different cardiovascular variables in this population in pseudo-cohorts of observed *** A total of 193 articles were *** publications used in

关键词： COVID-19 SARS-CoV-2 Congenital heart diseases Myocardial dysfunction Pediatric Multisystem Inflammatory Syndrome Cardiac Biomarkers

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