Full Text Journal Articles by
Author Helena Brenes Chacon

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Age-dependent Interactions Among Clinical Characteristics, Viral Loads and Disease Severity in Young Children With Respiratory Syncytial Virus Infection.

Helena Brenes-Chacon, Cristina Garcia-Mauriño, Melissa Moore-Clingenpeel, Sara Mertz, Fang Ye, Daniel M Cohen, Octavio Ramilo, Asuncion Mejias,

<h4>Background</h4>Age-dependent differences in clinical presentation and viral loads in infants and young children with respiratory syncytial virus (RSV) infection, and their correlation with disease severity are poorly defined.<h4>Methods</h4>Previously healthy children <2 years old with mild (outpatients) and severe (inpatients) RSV infection were enrolled and viral loads measured by polymerase chain ... Read more >>

Pediatr Infect Dis J (The Pediatric infectious disease journal)
[2021, 40(2):116-122]

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Clinical Disease Severity Scores and Viral Loads in Children with RSV Infection.

Asuncion Mejias, Helena Brenes-Chacon, Cristina Garcia-Mauriño, Melissa Moore-Clingenpeel, Octavio Ramilo,

Clin Infect Dis (Clinical infectious diseases : an official publication of the Infectious Diseases Society of America)
[2020, :]

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1465. Age-Dependent Interactions Among Clinical Characteristics, Viral Loads and Disease Severity in Young Children with Respiratory Syncytial Virus Infection (RSV) Infection

Helena Brenes-Chacon, Cristina Garcia-Maurino, Melissa Moore-Clingenpeel, Sara Mertz, Fang Ye, Daniel M Cohen, Octavio Ramilo, Asuncion Mejias,

Abstract <h4>Background</h4> Differences in clinical presentation and viral loads according to age in young children with RSV, and their correlation with disease severity are poorly defined. The aim of this study was to define age-dependent the differences in demographic, clinical factors and viral loads between children < 2 years of ... Read more >>

Open Forum Infect Dis (Open forum infectious diseases)
[2020, 7(Suppl 1):S734-S735]

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Long-term sequelae secondary to snakebite envenoming: a single centre retrospective study in a Costa Rican paediatric hospital.

Helena Brenes-Chacon, Jose M Gutierrez, Kattia Camacho-Badilla, Alejandra Soriano-Fallas, Rolando Ulloa-Gutierrez, Kattia Valverde, María Luisa Avila-Aguero,

<h4>Objectives</h4>Although devastating acute effects associated with snake envenoming are well described, the long-term sequelae resulting from these envenomings have not been adequately addressed, especially in the paediatric population. The aim of our study is to describe the clinical characteristics among paediatric patients in Costa Rica who developed long-term sequelae secondary ... Read more >>

BMJ Paediatr Open (BMJ paediatrics open)
[2020, 4(1):e000735]

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Can vaccines act as a mechanism to reduce antimicrobial resistance?

María L Avila-Agüero, Alejandra Soriano-Fallas, Helena Brenes-Chacón, José Brea-Del Castillo,

Expert Rev Vaccines (Expert review of vaccines)
[2020, 19(7):595-598]

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Long-term sequelae secondary to snakebite envenoming: a single centre retrospective study in a Costa Rican paediatric hospital

Helena Brenes-Chacon, Jose M Gutierrez, Kattia Camacho-Badilla, Alejandra Soriano-Fallas, Rolando Ulloa-Gutierrez, Kattia Valverde, María Luisa Avila-Aguero,

Objectives Although devastating acute effects associated with snake envenoming are well described, the long-term sequelae resulting from these envenomings have not been adequately addressed, especially in the paediatric population. The aim of our study is to describe the clinical characteristics among paediatric patients in Costa Rica who developed long-term sequelae ... Read more >>

BMJ Paediatr Open (BMJ paediatrics open)
[2020, 4(1):]

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2806. Follow-up of Children with Confirmed Perinatal Zika Virus Exposure: The First 2-year experience in the Costa Rican Tertiary Pediatric Hospital

Helena Brenes-Chacon, Maria L Avila-Aguero, Kattia Camacho-Badilla, Gabriela Naranjo-Zuniga, Adriana Benavides, Alejandra Soriano-Fallas,

Abstract Background Costa Rica (CR) has local transmission of Zika Virus (ZIKV) Infection since February 2016. Perinatal exposure (PE) and infection (PI) cases have been documented. Following a national protocol, reporting and follow-up of patients is mandatory. 2018 data of CR reported 272 women with confirmed ZIKV infection during pregnancy. ... Read more >>

Open Forum Infect Dis (Open forum infectious diseases)
[2019, 6(Suppl 2):S992-S992]

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Snakebite envenoming in children: A neglected tropical disease in a Costa Rican pediatric tertiary care center.

Helena Brenes-Chacón, José María Gutiérrez, Kattia Camacho-Badilla, Alejandra Soriano-Fallas, Rolando Ulloa-Gutierrez, Kathia Valverde-Muñoz, María L Ávila-Agüero,

<h4>Background</h4>Introduced in June 2017 by the World Health Organization (WHO) as a Neglected Tropical Diseases, snakebite envenoming is a global health problem. In Costa Rica, an incidence of 15 per 100,000 inhabitants and a mortality rate of 0.15 per 100,000 inhabitants per year were reported from 2005-2012. Children are also ... Read more >>

Acta Trop (Acta tropica)
[2019, 200:105176]

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Bacterial Infections Associated with Viperidae Snakebites in Children: A 14-Year Experience at the Hospital Nacional de Niños de Costa Rica†.

Helena Brenes-Chacón, Rolando Ulloa-Gutierrez, Alejandra Soriano-Fallas, Kattia Camacho-Badilla, Kathia Valverde-Muñoz, María L Ávila-Agüero,

Secondary bacterial infections following Viperidae snakebite envenomation in children are common. Among 75 patients admitted because of snakebites at the only pediatric hospital in Costa Rica, 16 (21.3%) had a culture-confirmed secondary bacterial infection. Morganella morganii (37.5%), Aeromonas hydrophila (31.2%), and Providencia rettgeri (18.7%) were the most common pathogens. Empiric ... Read more >>

Am J Trop Med Hyg (The American journal of tropical medicine and hygiene)
[2019, 100(5):1227-1229]

Cited: 1 time

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