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Optimal length of triple therapy for H pylori eradication in a population with high prevalence of infection in Chile

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World Journal of Gastroenterology 2007年第21期13卷 2967-2972页

作者： Arnoldo Riquelme Alejandro Soza Cesar Pedreros Andrea Bustamante felipe valenzuela Francisco Otarola Eduardo Abbott Marco Arellano Brenda Medina Alejandro Pattillo Douglas Greig Marco Arrese Antonio Rollan Department of Gastroenterology Pontificia Universidad Católica de Chile Hospital de Urgencia Asistencia Pública SantiagoChile Department of Internal Medicine Pontificia Universidad Católica de Chile

AIM:To compare the efficacy of 7-d versus 14-d triple therapy for the treatment of H pylori infection in Chile,with a prevalence of 73% in general population. METHODS:H pylori-infected patients diagnosed by rapid urease test,with non-ulcer dyspepsia or peptic ulcer disease were randomized to receive omeprazole 20 mg bid,amoxicillin 1 g bid,and clarithromycin 500 mg bid for 7 (OAC7) or 14 (OAC14) d. Primary outcome was eradication rate 6 wk after the treatment. Subgroup analysis was carried out considering the eradication rate among patients with or without peptic ulcer disease and eradication rate among smokers or non-smokers. RESULTS:One hundred and thirty-one patients were randomized to OAC7 (n = 69) or OAC14 (n = 62). The overall eradication rate (intention-to-treat) was 78.3% in OAC7 and 85.5% in OAC14 groups,without a significant difference (P =0.37). No significant difference in the eradication rate was found among the patients with peptic ulcer disease (n = 31) between the OAC7 group (85.7%) and OAC14 group (87.5%). However,smokers had an obviously lower eradication rate compared to non-smokers,particularly in the OAC7 group (57.1% in smokers vs 83.6% in non-smokers; P = 0.06). Adverse effects rate were similar between both groups. CONCLUSION:Short-term efficacy of triple therapy with OAC for 7 d is comparable to 14 d in this high-prevalence population. Longer follow-up,and studies focused to some subgroups of patients (smokers and non-ulcerpatients) are necessary to support widespread use of 7-d instead of 10-14-d triple therapy in a developing country like Chile.

关键词： Helicobacter pylori Antibiotic treatment Omeprazole Amoxicillin Clarithromycin Quasirandomized controlled trial

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Z-Score in Fetal Echocardiography–Is there Still Room for New Studies?

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Congenital Heart Disease 2024年第3期19卷 305-314页

作者： Marcio Fragoso Vieira Nathalie Jeanne Bravo-valenzuela Edward Araujo Júnior Department of Obstetrics Paulista School of MedicineFederal University of São Paulo(EPM-UNIFESP)São Paulo-SP04023-062Brazil Department of Obstetrics Federal University of Ceará(UFC)Sobral-CE60020-181Brazil Department of Pediatrics Pediatric CardiologySchool of MedicineFederal University of Rio de Janeiro(UFRJ)Rio de Janeiro-RJ21941-853Brazil

Congenital heart disease(CHD)is the most common type of birth defect,representing a significant cause of peri-natal morbidity and *** diagnosis of such anomalies is crucial for improving *** pro-tocols recommend a qualitative assessment of cardiac structures using two-dimensional ultrasound(2DUS)and color Doppler *** cases of suspected abnormalities,quantitative assessments through cardiac structure measurements and reference curves can aid in accurate *** to centiles widely employed in obste-trics,Z-scores provide more precise quantification of various cardiac structures,particularly at the extremes of the *** the development of reference curves and Z-scores has progressed over the past two decades,a lack of standardization in measurements and statistical methodology for their determination is *** reference curves requires adherence to specific recommendations to improve their *** purpose of this study is to provide a narrative review of the major studies that have generated reference values for cardiac struc-tures using 2DUS and Z-scores,to evaluate their methodology,and to provide a summary of the results.

关键词： Z-scores reference ranges fetal echocardiography

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Effects of a school-based karate intervention on academic achievement,psychosocial functioning,and physical fitness:A multi-country cluster randomized controlled trial

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Journal of Sport and Health Science 2024年第1期13卷 90-98页

作者： Tania Pinto-Escalona Erica Gobbi Pedro L.valenzuela Simon J.Bennett Pierluigi Aschieri Manuel Martin-Loeches Antonio Paoli Oscar Martinez-de-Quel Faculty of Education Complutense University of MadridMadrid 28040Spain Department of Biomolecular Sciences University of Urbino“Carlo Bo”Urbino 61029Italy Department of Systems Biology University of AlcaláMadrid 28805Spain Research Institute for Sport and Exercise Sciences Faculty of ScienceLiverpool John Moores UniversityLiverpoolL33AFUK Italian Judo WrestlingKarate and Martial Arts FederationRome 00122Italy Psychobiology&Methods for the Behavioural Sciences Department Complutense University of MadridMadrid 28040Spain Department of Biomedical Sciences University of PaduaPadua 35122Italy

Purpose:To examine the effects of a school-based karate intervention on academic achievement,psychosocial functioning,and physical fitness in children aged 7-8 ***:Twenty schools in 5 different European countries(2 second-grade classrooms per school)participated in a cluster randomized controlled trial(Sport at School trial).Participants were assigned to either a control group,which continued with their habitual physical education lessons,or to an intervention group,which replaced these lessons with a 1-year karate intervention(Karate Mind and Movement program).A total of 721 children(344 girls and 377 boys,7.4±0.5 years old,mean±SD)completed the study,of which 333 and 388 were assigned to the control group and intervention group,*** included academic performance(average grade),psychosocial functioning(Strengths and Difficulties Questionnaire for parents),and different markers of physical fitness(cardiorespiratory fitness,balance,and flexibility).Results:The intervention provided small but significant benefits compared to the control group for academic achievement(d=0.16;p=0.003),conduct problems(d=-0.28;p=0.003),cardiorespiratory fitness(d=0.36;p0.05).Conclusion:A 1-year school-based karate intervention was effective in improving academic achievement,conduct problems,and physical fitness in primary school *** results support the inclusion of karate during physical education lessons.

关键词： Academic performance Cardiorespiratory fitness Conduct problems Karate Physical fitness

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Latest developments in early diagnosis and specific treatment of severe influenza infection

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Journal of Intensive Medicine 2024年第2期4卷 160-174页

作者： Francisco valenzuela-Sánchez Blanca valenzuela-Méndez Juan Francisco Rodríguez-Gutiérrez Ángel Estella Intensive Care Unit University Hospital of JerezRonda de Circunvalación s/nJerez de la FronteraSpain Haematology Department University Hospital of JerezRonda de Circunvalación s/nJerez de la FronteraSpain Centro de Investigación Biomédica en Red Enfermedades respiratoriasCIBERESInstituto de Salud Carlos IIIAv.de Monforte de LemosMadridSpain Department of Oncological Surgery Institut du Cancer de Montpellier(ICM)Parc Euromédecine208 Av.des ApothicairesMontpellierFrance Department of Medicine Faculty of MedicineUniversity of CádizCalle Doctor MarañónCádizSpain Instituto de Investigación e Innovación Biomédica de Cádiz(INIBiCA) Avenida Ana de Viya 21CádizSpain

Influenza pandemics are unpredictable recurrent events with global health,economic,and social *** objective of this review is to provide an update on the latest developments in early diagnosis and specific treatment of the disease and its complications,particularly with regard to respiratory organ *** advances in treatment,the rate of mortality in the intensive care unit remains approximately 30%.Therefore,early identification of potentially severe viral pneumonia is extremely important to optimize treatment in these *** pathogenesis of influenza virus infection depends on viral virulence and host ***,in some patients,it is associated with an excessive systemic response mediated by an authentic cytokine *** process leads to severe primary pneumonia and acute respiratory distress *** prognostication in the emergency department based on comorbidities,vital signs,and biomarkers(e.g.,procalcitonin,ferritin,human leukocyte antigen-DR,mid-regional proadrenomedullin,and lactate)is *** of these biomarkers on admission may facilitate clinical decision-making to determine early admission to the hospital or the intensive care *** decisions are reached considering pathophysiological circumstances that are associated with a poor prognosis(e.g.,bacterial co-infection,hyperinflammation,immune paralysis,severe endothelial damage,organ dysfunction,and septic shock).Moreover,early implementation is important to increase treatment *** on a limited level of evidence,all current guidelines recommend using oseltamivir in this *** possibility of drug resistance should also be *** options include other antiviral drugs and combination therapies with monoclonal ***,it is not recommended to use corticosteroids in the initial treatment of these ***,the implementation of supportive measures for respiratory failure is ***

关键词： Influenza Pandemic Respiratory failure Acute respiratory distress syndrome Intensive care unit admission

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Improving the radiological diagnosis of hepatic artery thrombosis after liver transplantation: Current approaches and future challenges

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World Journal of Transplantation 2024年第1期14卷 1-8页

作者： Cristian Lindner Raúl Riquelme Rodrigo San Martín Frank Quezada Jorge valenzuela Juan P Maureira Martín Einersen Department of Radiology Faculty of MedicineUniversity of ConcepciónConcepción 4030000Chile Department of Radiology Hospital Clínico Regional Guillermo Grant BenaventeConcepción 4030000Chile Department of Statistics Catholic University of MauleTalca 3460000Chile Neurovascular Unit Department of RadiologyHospital Clínico Regional Guillermo Grant BenaventeConcepción 4030000Chile

Hepatic artery thrombosis(HAT)is a devastating vascular complication following liver transplantation,requiring prompt diagnosis and rapid revascularization treatment to prevent graft *** present,imaging modalities such as ultrasound,computed tomography,and magnetic resonance play crucial roles in diagnosing *** imaging techniques have improved sensitivity and specificity for HAT diagnosis,they have limitations that hinder the timely diagnosis of this *** this sense,the emergence of artificial intelligence(AI)presents a transformative opportunity to address these diagnostic *** development of machine learning algorithms and deep neural networks has demonstrated the potential to enhance the precision diagnosis of liver transplant complications,enabling quicker and more accurate detection of *** article examines the current landscape of imaging diagnostic techniques for HAT and explores the emerging role of AI in addressing future challenges in the diagnosis of HAT after liver transplant.

关键词： Liver transplantation Postoperative complications Hepatic artery Thrombosis Radiology Artificial intelligence

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Dose-response effect of pre-exercise carbohydrates under muscle glycogen unavailability:Insights from McArdle disease

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Journal of Sport and Health Science 2024年第3期13卷 398-408页

作者： Pedro L.valenzuela Alfredo Santalla Lidia B.Alejo Andrea Merlo Asuncion Bustos Laura Castellote-Belles Roser Ferrer-Costa Nicola A.Maffiuletti David Barranco-Gil Tomas Pinos Alejandro Lucia Physical Activity and Health Research Group(“PaHerg”) Research Institute of Hospital“12 de Octubre”(“imas12”)Madrid 28041Spain Department of Systems Biology University of AlcalaMadrid 28871Spain Department of Sport and Computer Science Section of Physical Education and SportsFaculty of SportUniversidad Pablo de OlavideSevilla 41013Spain EVOPRED Research Group Universidad Europea de CanariasTenerife 38300Spain Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain Gait&Motion Analysis Laboratory Sol et Salus HospitalTorre Pedrera di Rimini(RN)47922Italy Department of Clinical Biochemistry Laboratoris ClınicsHospital Universitari Vall d’HebronBarcelona 08035Spain Human Performance Lab Schulthess ClinicZurich 8008Switzerland Biomedical Research Networking Center on Rare Disorders(CIBERER) Barcelona 08035Spain Mitochondrial and Neuromuscular Disorders Unit Vall d’Hebron Institut de RecercaUniversitat Autonoma de BarcelonaBarcelona 08035Spain

Background:This study aimed to determine the effect of different carbohydrate(CHO)doses on exercise capacity in patients with McArdle disease—the paradigm of“exercise intolerance”,characterized by complete muscle glycogen unavailability—and to determine whether higher exogenous glucose levels affect metabolic responses at the McArdle muscle cell(in vitro)***:Patients with McArdle disease(n=8)and healthy controls(n=9)underwent a 12-min submaximal cycling constant-load bout followed by a maximal ramp test 15 min after ingesting a non-caloric *** a randomized,double-blinded,cross-over design,patients repeated the tests after consuming either 75 g or 150 g of CHO(glucose:fructose=2:1).Cardiorespiratory,biochemical,perceptual,and electromyographic(EMG)variables were ***,glucose uptake and lactate appearance were studied in vitro in wild-type and McArdle mouse myotubes cultured with increasing glucose concentrations(0.35,1.00,4.50,and 10.00 g/L).Results:Compared with controls,patients showed the“classical”second-wind phenomenon(after prior disproportionate tachycardia,myalgia,and excess electromyographic activity during submaximal exercise,all p<0.05)and an impaired endurance exercise capacity(-51%ventilatory threshold and55%peak power output,both p<0.001).Regardless of the CHO dose(p<0.05 for both doses compared with the placebo),CHO intake increased blood glucose and lactate levels,decreased fat oxidation rates,and attenuated the second wind in the ***,only the higher dose increased ventilatory threshold(+27%,p=0.010)and peak power output(+18%,p=0.007).In vitro analyses revealed no differences in lactate levels across glucose concentrations in wild-type myotubes,whereas a doseresponse effect was observed in McArdle ***:CHO intake exerts beneficial effects on exercise capacity in McArdle disease,a condition associated with total muscle glycogen *** of these benefits are dose dependent.

关键词： Endurance Glycogen storage disease Glycogenosis Nutrition Supplement

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Exerkine response to acute exercise:Still much to discover

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Journal of Sport and Health Science 2024年第6期13卷 759-760页

作者： Pedro L.valenzuela Beatriz Rivas-Baeza Carmen Fiuza-Luces Alejandro Lucia Physical Activity and Health Research Group(“PaHerg”) Research Institute of Hospital“12 de Octubre”(“imas12”)Madrid 28041Spain Department of Systems Biology University of AlcalaMadrid 28871Spain Centro de Salud Luis Vives Alcala de HenaresMadrid 28803Spain Faculty of Sport Sciences Universidad Europea de MadridMadrid 28670Spain

Strong evidence supports the benefits of regular physical activity/exercise for the prevention and management of numerous non-communicable diseases.^(1,2)However,despite important advances(particularly the implementation of complex“omics”approaches),the underlying molecular mechanisms remain to be clearly *** the past decade,the role of exerkines—a myriad of signaling moieties(e.g.,mainly cytokines but also other small peptides,peptides,nucleic acids,lipids,or metabolites,among others)released by muscles(myokines)and other tissues in response to exercise that induces endocrine(at the multisystem level),paracrine,or autocrine effects—has gained attention.^(3,4)Indeed it has been proposed that some of the salutary effects of regular exercise(i.e.,repeated sessions of acute exercise)might be due,at least partly,to the progressive accumulation of frequent,acute episodes of exerkine release.^(5)

关键词： gained multisystem prevention

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Exercise benefits meet the esophagus

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Journal of Sport and Health Science 2024年第5期13卷 685-686页

作者： Alejandro Santos-Lozano Pedro L.valenzuela Carmen Fiuza-Luces Alejandro Lucia i+HeALTH European University Miguel de CervantesValladolid 47012Spain Research Institute of the Hospital 12 de Octubre(“imas12”) Madrid 28041Spain Department of Systems Biology University of AlcalaAlcala de Heranes 28801Spain Faculty of Sport Sciences Universidad Europea de MadridVillaviciosa de Odon(Madrid)28670Spain

Gastroesophageal reflux disease(GERD)is defined by recurrent and troublesome heartburn and effortless regurgitation or by the specific complications of this condition—that is,esophagitis,esophageal peptic strictures,and Barrett esophagus.1Although GERD is caused by gastric contents'reaching the esophagus,gastric juices can also reach other anatomical locations(pharynx,mouth,larynx,and airways),leading to(or worsening)extra-esophageal conditions(notably asthma)or symptoms(e.g.,wheezing,cough).1 Together with obesity,GERD is the main risk factor for gastroesophageal malignancies.

关键词： esophagus esophageal Barrett

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Living in a Condominium Regime:Neighborhood Conflicts in Low-Income Housing,Tijuana,Baja California-A Secondary Publication

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Journal of World Architecture 2024年第2期8卷 96-107页

作者： M.Zárate López A.Almejo Ornelas M.Sahagún valenzuela Autonomous University of Baja California Mexico

This paper analyzes neighborhood conflicts arising from the condominium property regime,under which social housing promoted by Mexican government institutions and private developers is *** regime has facilitated access to housing for the salaried population,but it is far from contributing to the attainment of the right to *** research takes as case studies housing complexes located in the city of Tijuana,Baja California,*** analysis included a mixed ***,similar case studies were analyzed;secondly,a review of the Condominium Property Regime Law was carried out in order to understand its *** view of the pandemic situation,a virtual survey was applied to the inhabitants of these areas,as well as interviews with presidents of neighborhood committees of these *** the above,it was found that this form of ownership generates conflicts,reflected in the dissatisfaction of the inhabitants with their housing,disagreements and controversies in their organization and *** inhabitants have to collectively solve the problems they face,related to the maintenance and use of common areas,insecurity,and cleanliness,among *** addition,there is a lack of support from local *** this,it is concluded that although the inhabitants have a space that solves their housing problem,it does not manage to be a space that adequately guarantees their right to housing.

关键词： Neighborhood conflicts Right to housing Condominium property Social interest Affordable housing

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Imaging-based prediction of hepatocellular carcinoma recurrence after microwave ablation as bridge therapy: A glimpse into the future

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World Journal of Transplantation 2024年第4期14卷 1-5页

作者： Cristian Lindner Rodrigo San Martín Andrés Concha David Clemo Jorge valenzuela Department of Radiology Faculty of MedicineUniversity of ConcepciónConcepción 4030000Chile Department of Radiology Hospital Regional Guillermo Grant BenaventeConcepción 4030000BiobíoChile

Liver transplantation(LT)remains the treatment of choice for early-stage hepato-cellular carcinoma(HCC)and offers the best long-term oncological ***,the increasing waiting list for LT has led to a significant dropout rate as patients experience tumor progression beyond the Milan ***,locoregional therapies,such as microwave ablation(MWA),have emerged as promising bridge treatments for patients awaiting *** therapies have shown promising results in preventing tumor progression,thus reducing the dropout rate of LT *** the efficacy of MWA in treating HCC,tumoral recurrence after ablation remains a major challenge and significantly impacts the prognosis of HCC ***,accurately diagnosing tumoral recurrence post-ablation is *** studies have developed novel imaging features based on magnetic resonance imaging of HCC,which could provide essential information for predicting early tumoral recurrence after *** advancements could address this unresolved challenge,improving the clinical outcomes of patients on the LT waiting *** article explored the current landscape of MWA as a bridge therapy for HCC within the Milan criteria,high-lighting the emerging role of novel imaging-based features aimed at improving the prediction of tumor recurrence after MWA.

关键词： Liver transplantation Hepatocellular carcinoma Ablation techniques Multiparametric magnetic resonance imaging Interventional oncology Liver disease Microwaves

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