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Espinoza-Morales, Diego ; Lucchetti Rodríguez, Aldo ; Silva-Caso, Wilmer ; Suárez Ognio, Luis ; Pons, Maria J. ; Del Valle Mendoza, Juana Mercedes | 2018-01-08T14:34:23ZWe present an atypical case of disseminated cutaneous leishmaniasis in the Sihuas district, located in the Andean valleys of Ancash-Peru. A 62-year-old man with no particular medical history presented multiple lesions located on the inferior abd[...]texto impreso
Gomes, Cláudia ; Pons, Maria J. ; Del Valle Mendoza, Juana Mercedes ; Ruiz, Joaquim | BioMed Central Ltd. | 2017-11-08T22:20:47ZCarrion’s disease is a neglected tropical disease caused by Bartonella bacilliformis, a vector-borne pathogen restricted to the Andean valleys of Peru, Ecuador and Colombia. Carrion’s disease is a biphasic illness; in the acute phase the case-fa[...]texto impreso
Medina, Anicia M. ; Rivera, Fulton P. ; Pons, Maria J. ; Riveros, Maribel ; Gomes, Cláudia ; Bernal, Maria ; Meza, Rina ; Maves, Ryan C. ; Huicho, Luis ; Chea-Woo, Elsa ; Lanata, Claudio F. ; Gil, Ana I. ; Ochoa, Theresa J. ; Ruiz, Joaquim | Oxford University Press | 2019-02-06T14:57:42ZBACKGROUND: Antibiotic resistance is increasing worldwide, being of special concern in low- and middle-income countries. The aim of this study was to determine the antimicrobial susceptibility and mechanisms of resistance in 205 enterotoxigenic [...]texto impreso
Martinez-Puchol, Sandra ; Gomes, Cláudia ; Pons, Maria J. ; Ruiz-Roldan, Lidia ; Torrents de la Pena, Alba ; Ochoa, Theresa J. ; Ruiz, Joaquim | Wiley | 2019-02-06T14:52:12ZFurazolidone-resistant mutants were obtained from four clinical isolates of diarrhoeagenic Escherichia coli. The stability of the resistance and the frequency of mutation were established. The minimal inhibitory concentration of furazolidone, ni[...]texto impreso
Mosquito, Susan ; Pons, Maria J. ; Riveros, Maribel ; Ruiz, Joaquim ; Ochoa, Theresa J. | Hindawi Publishing Corporation | 2019-02-06T14:57:41ZConventionally, in Escherichia coli, phylogenetic groups A and B1 are associated with commensal strains while B2 and D are associated with extraintestinal strains. The aim of this study was to evaluate diarrheagenic (DEC) and commensal E. coli[...]texto impreso
Pons, Maria J. ; Gomes, Cláudia ; Aguilar, Ruth ; Barrios, Diana ; Aguilar-Luis, Miguel Angel ; Ruiz, Joaquim ; Dobaño, Carlota ; Del Valle-Mendoza, Juana ; Moncunill, Gemma | Public Library of Science | 2017-10-09T17:11:19ZAnalysis of immune responses in Bartonella bacilliformis carriers are needed to understand acquisition of immunity to Carrion’s disease and may allow identifying biomarkers associated with bacterial infection and disease phases. Serum samples fr[...]texto impreso
Gomes, Cláudia ; Martinez-Puchol, Sandra ; Palma, Noemi ; Horna, Gertrudis ; Ruiz-Roldan, Lidia ; Pons, Maria J. ; Ruiz, Joaquim | Taylor & Francis | 2019-01-25T17:00:26ZFrom its introduction in 1952 onwards, the clinical use of macrolides has been steadily increasing, both in human and veterinary medicine. Although initially designed to the treatment of Gram-positive microorganisms, this antimicrobial family ha[...]texto impreso
Ulloa, Gabriela M. ; Vásquez-Achaya, Fernando ; Gomes, Cláudia ; Del Valle, Luis J. ; Ruiz, Joaquim ; Pons, Maria J. ; Del Valle Mendoza, Juana | American Society of Tropical Medicine and Hygiene | 2018-11-30T17:17:16ZCarrion's disease is a neglected, vector-borne illness that affects Colombia, Ecuador, and especially Peru. The phlebotomine sand flies Lutzomyia verrucarum and Lutzomyia peruensis are the main illness vectors described, although other species m[...]texto impreso
Ruiz Roldán, Lidia ; Martínez Puchol, Sandra ; Gomes, Cláudia ; Palma, Noemi ; Riveros, Maribel ; Ocampo, Karen ; Durand, David ; Ochoa, Theresa J. ; Ruiz, Joaquim ; Pons, Maria J. | Instituto Nacional de Salud | 2019-03-05T15:24:21ZObjetivos. El objetivo del presente estudio fue describir la presencia de Enterobacteriaceae en muestras de carne recolectadas en mercados tradicionales de Lima y establecer los niveles de resistencia a antimicrobianos y la presencia de betalact[...]texto impreso
Palma, Noemi ; Pons, Maria J. ; Gomes, Cláudia ; Mateu, Judit ; Riveros, Maribel ; Garcia, Wilfredo ; Jacobs, Jan ; García, Coralith ; Ochoa, Theresa J. ; Ruiz, Joaquim | Elsevier | 2019-01-25T17:00:30ZOBJECTIVES: To characterise the ?-lactam, quinolone and macrolide resistance levels and mechanisms in 62 Escherichia coli isolates causing bacteraemia in Peruvian children. METHODS: Minimum inhibitory concentrations (MICs) of ciprofloxacin, nali[...]texto impreso
Palma, Noemi ; Pons, Maria J. ; Gomes, Cláudia ; Mateu, Judit ; Riveros, Maribel ; Garcia, Wilfredo ; Jacobs, Jan ; García, Coralith ; Ochoa, Theresa J. ; Ruiz, Joaquim | Elsevier Ltd | 2017-10-20T20:07:53ZEl texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado. Objectives To characterise the ?-lactam, quinolone and macrolide resistance levels and mechanism[...]texto impreso
Martinez-Puchol, Sandra ; Pons, Maria J. ; Ruiz-Roldan, Lidia ; Laureano-Adame, Laura ; Corujo, Alfredo ; Ochoa, Theresa J. ; Ruiz, Joaquim | Instituto Nacional de Salud | 2020-07-14T00:02:33ZThe mechanisms of resistance to nitrofurans from 18 meat samples with Salmonella enterica (chicken: 15; beef: 2; pork: 1) collected in Lima (Peru) were analyzed. The isolates were serotyped and the susceptibility levels to furazolidone and nitro[...]
