Publications by authors named "Mercedes Herranz-Aguirre"

Article Synopsis
  • Respiratory syncytial virus (RSV) is a common cause of hospitalization in newborns, but the risk decreases with age, prompting the use of nirsevimab for prevention in infants during their first RSV season.
  • A study conducted in Navarre, Spain, showed that nirsevimab significantly reduced RSV hospitalizations, with a 88.7% effectiveness rate in infants who received the immunization at birth compared to those who did not.
  • Immunizing infants born between October and December 2023 was found to prevent one hospitalization for every 15.3 infants immunized, suggesting that a strategy for immunization during RSV seasons could greatly reduce pediatric hospital admissions.
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Since COVID-19 pandemic started, many changes have been seen in the cycling patterns of pediatric pathologies. On year 2020, we described the initial effects of COVID-19, with a significant decrease in emergency visits and admissions, but 2 years later the situation seems to be reversed. Our study bridges a literature gap by exploring the lasting effects of COVID-19 on pediatric non-COVID admissions, particularly the resurgence of respiratory illnesses.

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Purpose: Many articles have been published regarding chest-imaging in COVID-19, but fewer studies have been published in pediatric populations. COVID-19 symptoms in children are generally milder and radiological tests have fewer positive findings. Indications for chest imaging in pediatric COVID-19 patients remain unclear.

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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 pathologies.

Methods: ECIEN-2020 is an observational study conducted in a tertiary referral hospital in Navarra, Spain. It describes the effects of COVID-19 pandemic and the preventive measures adopted, in pediatric admissions for non-COVID-19 diseases.

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Article Synopsis
  • * A low hospitalization rate (1:180) was observed in children, with most cases not classified as severe; 72% were previously healthy kids and over 80% had household contact with adults, primarily mothers.
  • * The research emphasizes that pediatric COVID-19 can exhibit a wide range of nonspecific symptoms, highlighting the need for improved recognition and treatment strategies for infected children.
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Article Synopsis
  • Non-febrile seizures in healthy children can occur due to minor infections and may be linked to genetic factors.
  • A case study of a 3-month-old girl in a COVID-19 family context showed her experiencing non-febrile seizures without signs of meningitis or epilepsy, confirmed by various medical tests.
  • Whole exome sequencing revealed a genetic mutation in both the infant and her mother, highlighting a potential genetic predisposition to seizures, even as COVID-19 may lead to hyperimmune responses in infants.
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We present a rare case of a 10-year-old boy with a right diaphragmatic eventration (DE), an uncommon pathology in children. The case highlights the importance of making a correct differential diagnosis between an acquired diaphragmatic hernia and a DE, two uncommon diaphragmatic pathologies. Differential diagnosis of these two entities can usually be made based on radiological findings, by identifying the continuity or the lack of continuity of the diaphragm, but sometimes, especially when on the right side, like in our case, they can be very difficult to differentiate by imaging.

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Objective: To analyze the nutrition status of the pediatric patients at the time of hospital admission throughout a calendar year in a tertiary level hospital and to identify those patients and/or groups of pathologies with a higher risk of malnutrition.

Material And Methods: Retrospective evaluation of nutrition status of 852 patients hospitalized in 2013 in a pediatric hospital (462 males and 390 females). Sex, age, body mass index at the moment of admission and days of hospitalization and diagnosis codified according to the International Classification of Diseases were registered.

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