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2 results on '"Natividad Pons"'

1. Diagnostic Accuracy of the Panbio Severe Acute Respiratory Syndrome Coronavirus 2 Antigen Rapid Test Compared with Reverse-Transcriptase Polymerase Chain Reaction Testing of Nasopharyngeal Samples in the Pediatric Population

Author

Serena Villaverde, Sara Domínguez-Rodríguez, Gema Sabrido, Conchita Pérez-Jorge, Marta Plata, María Pilar Romero, Carlos Daniel Grasa, Ana Belén Jiménez, Elena Heras, Antonio Broncano, María del Mar Núñez, Marta Illán, Paloma Merino, Beatriz Soto, David Molina-Arana, Amanda Bermejo, Pablo Mendoza, Manuel Gijón, Begoña Pérez-Moneo, Cinta Moraleda, Alfredo Tagarro, Cristina Calvo, Ma José Mellado, Paula Rodríguez-Molino, Teresa del Rosal, Mar Santos, Marisa Navarro, Elena Rincón, Begoña Santiago, Jesús Saavedra-Lozano, David Aguilera-Alonso, Cristina Epalza, Daniel Blázquez-Gamero, Sara Villanueva, Pablo Rojo, Gero Calleja, J.A. Alonso, Mercedes de la Torre, F.J. Sanz-Santaeufemia, M.I. Iglesias, B. Herrero, M. Alonso, Toni Soriano-Arandes, J.M. Pujol, Susana Melendo, Pere Soler-Palacin, Silvia Simó, Victoria Fumadó, Miguel Lanaspa, M. Urretavizcaya, Mercedes Herranz, Marta Pareja, Fatima Ara, Santiago Cabañas, Rut del Valle, Ana Barrios, Enrique Otheo, José Luis Vázquez, Lola Falcón, Olaf Neth, Peter Olbrich, Walter Goicoechea, Laura Martín, Lucía Figueroa, María Llorente, María Penin, Claudia García, María García, Teresa Alvaredo, Ma Inmaculada Olmedo, Agustín López, Elvira Cobo, Mariam Tovizi, Pilar Galán, Sara Guillén, Adriana Navas, M. Luz García, Sara Pérez, María José Hernández, Arantxa Berzosa, Nerea Gallego, Ana López, Beatriz Ruiz, Santiago Alfayate, Ana Menasalvas, Eloísa Cervantes, María Méndez, Ángela Hurtado, Yolanda Ruiz, Cristina García, Inés Amich, Manuel Oltra, Álvaro Villaroya, Angustias Ocaña, Isabel Romero, María Fernanda Guzmán, M.J. Pascual, María Sánchez-Códez, Elena Montesinos, Julia Jensen, María Rodríguez, Gloria Caro, Neus Rius, Alba Gómez, Rafael Bretón, Margarita Rodríguez, Julio Romero, Ana Campos, Mercedes García, Rosa María Velasco, Zulema Lobato, Fernando Centeno, Elena Pérez, Paula Vidal, Corsino Rey, Ana Vivanco, Maruchi Alonso, Pedro Alcalá, Javier González de Dios, Eduard Solé, Laura Minguell, Itziar Astigarraga, Ma Ángeles Vázquez, Miguel Sánchez, Elena Díaz, Eduardo Consuegra, María Cabanillas, Luis Peña, Elisa Garrote, Maite Goicoechea, Irene Centelles, Santiago Lapeña, Sara Gutiérrez, Soraya Gutiérrez, Amparo Cavalle, José María Olmos, Alejandro Cobo, Sara Díaz, Beatriz Jiménez, Raúl González, Miguel Lafuente, Matilde Bustillo, Natividad Pons, Julia Morata, and Elsa Segura

Subjects
Male, medicine.medical_specialty, Adolescent, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Diagnostic accuracy, Disease, medicine.disease_cause, Gastroenterology, law.invention, antigen test, 03 medical and health sciences, 0302 clinical medicine, Antigen, law, 030225 pediatrics, Internal medicine, Nasopharynx, medicine, Humans, 030212 general & internal medicine, Pediatrics, Perinatology, and Child Health, Child, Antigens, Viral, Pandemics, Polymerase chain reaction, Coronavirus, business.industry, Reverse Transcriptase Polymerase Chain Reaction, SARS-CoV-2, Infant, Newborn, COVID-19, Infant, Reproducibility of Results, Reverse transcriptase, PCR, Child, Preschool, Pediatrics, Perinatology and Child Health, DNA, Viral, Brief Reports, Female, business, Pediatric population
Abstract

We conducted a multicenter clinical validity study of the Panbio coronavirus disease 2019 Antigen Rapid Test of nasopharyngeal samples in pediatric patients with coronavirus disease 2019-compatible symptoms of ≤5 days of evolution. Our study showed limited accuracy in nasopharyngeal antigen testing: overall sensitivity was 45.4%, and 99.8% of specificity, positive-predictive value was 92.5%.

Published
2020

2. Familial hyperaldosteronism type III a novel case and review of literature

Author

Ángel Zúñiga, Ana Moriano, Fernando Calvo, Francisca Moreno, Julia Morata, Sara León, Natividad Pons Fernández, and Carmen de Mingo

Subjects
Familial hyperaldosteronism, medicine.medical_specialty, Adenoma, Endocrinology, Diabetes and Metabolism, 030209 endocrinology & metabolism, 03 medical and health sciences, chemistry.chemical_compound, 0302 clinical medicine, Endocrinology, Mineralocorticoid receptor, Germline mutation, Internal medicine, KCNJ5, Hyperaldosteronism, medicine, Humans, Aldosterone, Voltage-dependent calcium channel, biology, business.industry, medicine.disease, chemistry, G Protein-Coupled Inwardly-Rectifying Potassium Channels, Hypertension, Mutation, biology.protein, business
Abstract

Less than 15% of hypertension cases in children are secondary to a primary hyperaldosteronism. This is idiopathic in 60% of the cases, secondary to a unilateral adenoma in 30% and 10% remaining by primary adrenal hyperplasia, familial hyperaldosteronism, ectopic aldosterone production or adrenocortical carcinoma.To date, four types of familial hyperaldosteronism (FH I to FH IV) have been reported. FH III is caused by germline mutations in KCNJ5, encoding the potassium channel Kir3.4. The mutations cause the channel to lose its selectivity for potassium, allowing large quantities of sodium to enter the cell. As a consequence, the membrane depolarizes, voltage-gated calcium channels open, calcium enters the cell, initiating the cascade that leads to aldosterone synthesis. Somatic mutations in KCNJ5 has also been described in aldosterone-producing adenomas. The most frequent presentation of FH III is with severe hyperaldosteronism symptoms and resistance to pharmacological therapy which leads to bilateral adrenalectomy. We will review current literature and describe a child with FH III due to a novel de novo deletion in KCNJ5 with wild phenotype as a sign of clinical variability of this disease.

Published
2018

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