{"id":{"repo_id":"rosario","oai_identifier":"oai:repository.urosario.edu.co:10336/12925"},"canonical_url":"https://search.dev.ndltd.org/etd/rosario/oai:repository.urosario.edu.co:10336/12925","repository":{"repo_id":"rosario","name":"Universidad del Rosario","base_url":"https://repository.urosario.edu.co/oai/request"},"display":{"title":"Factores asociados a infección urinaria por bacterias gram negativas BLEE positivas en población pediátrica","abstract":"Introducción: Las infección del tracto urinario (ITU) causada por bacterias productoras de betalactamasas de espectro extendido (BLEE) en niños ha venido en aumento en los últimos años. Se pretendió identificar los factores asociados para su presentación, en una muestra de pacientes en la Clínica Infantil Colsubsidio. Metodología: Estudio de casos y controles, tomando como casos niños con ITU de origen comunitario causado por bacterias BLEE positivas, pareado con niños con ITU causada por otras bacterias; se tuvo en cuenta una relación de 1:3. La muestra estadística se calculó con Epidat®. El análisis bivariado se hizo mediante pruebas de chi cuadrado, toda p por debajo de 0.05 se consideró significativo. Resultados: Se incluyeron un total de 68 niños, 17 casos y 51 controles. Las características de edad, género y escolaridad mostraron una distribución homogénea. El agente causal más frecuente en ambos grupos fue Escherichia coli. Los factores descritos en la literatura como antecedente de ITU previa (P=0.64), hospitalización reciente (P=0.97), uso de antibiótico los últimos 2 meses (P=0.84), profilaxis antibiótica (P=0.33) y procedimientos en el tracto urinario (p=0.96) no mostraron asociaciones significativas. Discusión: Se requieren estudios con muestras más amplias para poder identificar si los factores descritos están relacionados con ITU por bacterias BLEE positivas en nuestra población.","abstract_html":"Introducción: Las infección del tracto urinario (ITU) causada por bacterias productoras de betalactamasas de espectro extendido (BLEE) en niños ha venido en aumento en los últimos años. Se pretendió identificar los factores asociados para su presentación, en una muestra de pacientes en la Clínica Infantil Colsubsidio. Metodología: Estudio de casos y controles, tomando como casos niños con ITU de origen comunitario causado por bacterias BLEE positivas, pareado con niños con ITU causada por otras bacterias; se tuvo en cuenta una relación de 1:3. La muestra estadística se calculó con Epidat®. El análisis bivariado se hizo mediante pruebas de chi cuadrado, toda p por debajo de 0.05 se consideró significativo. Resultados: Se incluyeron un total de 68 niños, 17 casos y 51 controles. Las características de edad, género y escolaridad mostraron una distribución homogénea. El agente causal más frecuente en ambos grupos fue Escherichia coli. Los factores descritos en la literatura como antecedente de ITU previa (P=0.64), hospitalización reciente (P=0.97), uso de antibiótico los últimos 2 meses (P=0.84), profilaxis antibiótica (P=0.33) y procedimientos en el tracto urinario (p=0.96) no mostraron asociaciones significativas. Discusión: Se requieren estudios con muestras más amplias para poder identificar si los factores descritos están relacionados con ITU por bacterias BLEE positivas en nuestra población.","abstract_has_math":false,"creators":["Mercado Santis, Elida teresa"],"institution":"Universidad del Rosario","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-01-18","date_published":"2017-01-18","updated_at":"2026-07-27T20:46:31Z","subjects":["Beta-lactamasas","Resistencia betalactámica","Infecciones urinarias","Infecciones comunitarias adquiridas","Factores de riesgo","Niños","Ginecología & otras especialidades médicas","Pediatría","Infecciones","Infecciones bacterianas","Sistema urinario","Urinary tract infection","Community-Acquired Infections","Risk Factors","Child","Infecciones del tracto urinario"],"languages":["spa"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":["http://creativecommons.org/licenses/by-nc-nd/2.5/co/"],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["http://repository.urosario.edu.co/handle/10336/12925"],"render_values":[{"text":"http://repository.urosario.edu.co/handle/10336/12925","href":"http://repository.urosario.edu.co/handle/10336/12925","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.48713/10336_12925","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Mercado Santis, Elida teresa"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2017-01-18","2017-02-09T12:58:31Z"]},{"key":"dc:publisher","label":"Institution","values":["Universidad del Rosario","Facultad de medicina","Especialización en Pediatría"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/masterThesis","info:eu-repo/semantics/acceptedVersion"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Beta-lactamasas","Resistencia betalactámica","Infecciones urinarias","Infecciones comunitarias adquiridas","Factores de riesgo","Niños","Ginecología & otras especialidades médicas","Pediatría","Infecciones","Infecciones bacterianas","Sistema urinario","Urinary tract infection","Community-Acquired Infections","Risk Factors","Child","Infecciones del tracto urinario"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["spa"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess","http://creativecommons.org/licenses/by-nc-nd/2.5/co/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://doi.org/10.48713/10336_12925","http://repository.urosario.edu.co/handle/10336/12925"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Introducción: Las infección del tracto urinario (ITU) causada por bacterias productoras de betalactamasas de espectro extendido (BLEE) en niños ha venido en aumento en los últimos años. Se pretendió identificar los factores asociados para su presentación, en una muestra de pacientes en la Clínica Infantil Colsubsidio. Metodología: Estudio de casos y controles, tomando como casos niños con ITU de origen comunitario causado por bacterias BLEE positivas, pareado con niños con ITU causada por otras bacterias; se tuvo en cuenta una relación de 1:3. La muestra estadística se calculó con Epidat®. El análisis bivariado se hizo mediante pruebas de chi cuadrado, toda p por debajo de 0.05 se consideró significativo. Resultados: Se incluyeron un total de 68 niños, 17 casos y 51 controles. Las características de edad, género y escolaridad mostraron una distribución homogénea. El agente causal más frecuente en ambos grupos fue Escherichia coli. Los factores descritos en la literatura como antecedente de ITU previa (P=0.64), hospitalización reciente (P=0.97), uso de antibiótico los últimos 2 meses (P=0.84), profilaxis antibiótica (P=0.33) y procedimientos en el tracto urinario (p=0.96) no mostraron asociaciones significativas. Discusión: Se requieren estudios con muestras más amplias para poder identificar si los factores descritos están relacionados con ITU por bacterias BLEE positivas en nuestra población.","Background: Urinary tract infection caused by Gram-negative bacteria producing extended-spectrum beta-lactamase (ESBL) is very uncommon in children, however has been increasing in recent years. This study aimed to identify the associated factors for its presentation, in a sample of patients at the Clínica Infantil Colsubsidio. Methodology: A case-control study was conducted, considering as cases: children with urinary tract infection originated in the community caused by Gram negative ESBL-positive bacteria, paired with children with urinary tract infection caused by other bacteria. A ratio of 1: 3 was taken into account. The statistical sample was calculated with Epidat®. The bivariate analysis was done using chi-square tests, all p below 0.05 was considered significant. Results: A total of 68 children were included, 17 cases and 51 controls. The characteristics of age, gender and schooling showed a homogeneous distribution. The most frequent causative agent was Escherichia coli. Factors described in the literature as a history of previous UTI (P = 0.64), recent hospitalization (P = 0.97), antibiotic use in the last 2 months (P = 0.84), antibiotic prophylaxis (P = 0.33) and urinary tract procedures P = 0.96) did not show significant differences. Discussion:Larger sample studies are needed to identify whether the factors described are related to UTI by BLEE positive bacteria in our population."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:source","label":"Dc Source","values":["Bitsori M, Galanakis E. Pediatric urinary tract infections : diagnosis and treatment. Expert Rev Anti Infect Ther. 2012;10(10):1153–64.","Paintsil E. Update on recent guidelines for the management of urinary tract infections in children : the shifting paradigm. Curr Opin. 2013;25(1):88–94.","Sood A, Penna FJ, Eleswarapu S, Pucheril D, Weaver J, Wagner JC, et al. Incidence, admission rates and economic burden of pediatric emergency department visits for urinary tract infection: data from the nationwide emergency department sample, 2006 to 2011. J Pediatr Urol [Internet]. Elsevier Ltd; 2014;(2015). Available from: http://dx.doi.org/10.1016/j.jpurol.2014.10.005","Bitsori M, Maraki S, Kalmanti M. Resistance against broad-spectrum β -lactams among uropathogens in children. Pediatr Nephrol. 2009;24:2381–6.","Megged O. Extended-spectrum β -lactamase-producing bacteria causing community- acquired urinary tract infections in children. Pediatr Nephrol. 2014;","Fan N, Chen H, Chen C, Ou L, Lin T, Tsai M, et al. Rise of community-onset urinary tract infection caused by extended-spectrum b -lactamase-producing Escherichia coli in children. J Microbiol Immunol Infect [Internet]. Elsevier Taiwan LLC; 2013;1–7. Available from: http://dx.doi.org/10.1016/j.jmii.2013.05.006","Kizilca O, Siraneci R, Yilmaz A, Hatipoglu N, Ozturk E, Kiyak A, et al. Risk factors for community-acquired urinary tract infection caused by ESBL-producing bacteria in children. Pediatr Int. 2012;54:858–62.","Topaloglu R, Er I, Dogan BG. Risk factors in community-acquired urinary tract infections caused by ESBL-producing bacteria in children. Pediatr Nephrol. 2010;25:919–25.","Dayan N, Dabbah H, Weissman I, Aga I, Even L, Glikman D. Urinary Tract Infections Caused by Community-Acquired Extended-Spectrum β-Lactamase- Producing and Nonproducing Bacteria: A Comparative Study. J Pediatr [Internet]. Elsevier Ltd; 2013;163(5):1417–21. Available from: http://dx.doi.org/10.1016/j.jpeds.2013.06.078","Hoyos Á, Serna L, Ortiz G. Infección urinaria adquirida en la comunidad en pacientes pediátricos : clínica , factores de riesgo , etiología , resistencia a los antibióticos y respuesta a la terapia empírica Urinary tract infection acquired in the community in pediatric patients : Infectio. 2012;16(574):94–103.","Coy A, Galindo A, Quijano C, Rodríguez Y. Caracterización de la población con diagnóstico de infección del tracto urinario en la Clínica Infantil Colsubsidio de enero a junio de 2013, Bogotá, Colombia. 2013.","Srivastava RN, Vasudev AS. Urinary tract infections — current management. Apollo Med [Internet]. Indraprastha Medical Corporation Ltd.; 2011;8(4):270–5. Available from: http://dx.doi.org/10.1016/S0976-0016(11)60004-5","Morello W, Scola C La, Alberici I, Montini G. Acute pyelonephritis in children American Academy of Pediatrics. Pediatr Nephrol. 2016;31:1253–65.","Jadresic LP. Diagnosis and management of urinary tract infections in children. Paediatr Child Health (Oxford). 2010;20(6):274–8.","Flokas ME, Detsis M, Alevizakos M, Mylonakis E. Prevalence of ESBL-producing Enterobacteriaceae in paediatric urinary tract infections : A systematic review and. J Infect [Internet]. Elsevier Ltd; 2016;1–11. Available from: http://dx.doi.org/10.1016/j.jinf.2016.07.014","Salas P , Barrera P , González C, Zambrano P , Salgado I, Quiroz L, et al. Actualización en el diagnóstico y manejo de la Infección Urinaria en pediatría . Rev Chil Pediatr. 2012;83(3):269–78.","Becknell B, Schober M, Korbel L, Spencer JD, Becknell B, Schober M, et al. The diagnosis , evaluation and treatment of acute and recurrent pediatric urinary tract infections. Expert Rev. 2016;7210(August):81–90.","Nijman RJM, Radmayr C, Tekgu S. Urinary Tract Infections in Children: EAU / ESPU Guidelines. Eur Assoc Urol. 2015;67:546–58.","NICE. Urinary tract infection in children diagnosis , treatment and long-term management. 2007.","Bhat RG, Katy TA, Place FC. Pediatric Urinary Tract Infections. Emerg Med Clin NA [Internet]. Elsevier Inc; 2011;29(3):637–53. Available from: http://dx.doi.org/10.1016/j.emc.2011.04.004","Lukac PJ, Bonomo RA, Logan LK. Extended-Spectrum β -Lactamase -Producing Enterobacteriaceae in Children : Old Foe , Emerging Threat. Healthc Epidemiol. 2015;1–9.","Aksu NU, Ekinci Z, Dündar D, Baydemir C. Childhood urinary tract infections caused by ESBL-producing bacteria: Risk factors and empiric therapy. Pediatr Int. 2016","Wiles TJ, Kulesus RR, Mulvey MA. Origins and Virulence Mechanisms of Uropathogenic Escherichia coli. Exp Mol Pathol. 2009;85(1):11–9.","Rondon Mi, Rondon A. Infeccion del tracto urinario. 2011.","Stephens GM, Woxland H. Evaluation and Management of Urinary Tract Infections in the School-Aged Child. Prim Care Clin Off Pract [Internet]. Elsevier Inc; 2015;42(1):33–41. Available from: http://dx.doi.org/10.1016/j.pop.2014.09.007","Paterson DL, Bonomo RA. Extended-Spectrum Beta-Lactamases: a Clinical Update. Clin Microbiol Rev. 2005;18(4):657–86.","Pitout JDD, Nordmann P, Laupland KB, Poirel L. Emergence of Enterobacteriaceae producing extended-spectrum b -lactamases ( ESBLs ) in the community. J Antimicrob Chemother. 2005;56:52–9.","Jadresi L. Urinary tract infections in children. Paediatr Child Health (Oxford). 2013;24(7):289–92.","Schmidt B, Copp HL. Work-up of Pediatric Urinary Tract Infection. Urol Clin NA [Internet]. Elsevier Inc; 2015;42(4):519–26. Available from: http://dx.doi.org/10.1016/j.ucl.2015.05.011","Melbourne TRCH. Urinary Tract Infection Guideline. 2014.","Village EG. Urinary Tract Infection : Clinical Practice Guideline for the Diagnosis and Management of the Initial UTI in Febrile Infants and Children 2 to 24 Months. Pediatrics. 2011;128(3):594–611.","CLSI. Performance Standards for Antimicrobial Susceptibility Testing ; Twenty- Second Informational Supplement. 2012.","Pujol M. El significado clínico de las betalactamasas de espectro extendido. Enferm Infecc Microbiol Clin. 2015;21(2):69–71.","Dalgic N, Sancar M, Bayraktar B, Dincer E, Pelit S. Ertapenem for the treatment of urinary tract infections caused by extended-spectrum b -lactamase-producing bacteria in children. Scand J Infect Dis. 2011;(January):339–43.","Echeverri CV, Serna-higuita LM, Serrano AK, Ochoa-garcía C, Rosas LR, Bedoya M, et al. Profile resistance of pathogens causing urinary tract infection in the pediatric population , and antibiotic treatment response , at a University Hospital 2010-2011. Colomb Med. 2014;45(57):39–44.","Pehlivanlar Önen S, Aslantaş Ö, Şebnem Yilmaz E, Kürekci C. Prevalence of β- Lactamase Producing Escherichia coli from Retail Meat in Turkey. J Food Sci. 2015;80(9):2023–9.","Bhoomika, Shakya S, Patyal A, Gade NE. Occurrence and characteristics of extended-spectrum β-lactamases producing Escherichia coli in foods of animal origin and human clinical samples in Chhattisgarh, India. Vet World [Internet]. 2016;9(9):996–1000. Available from: http://www.veterinaryworld.org/Vol.9/September-2016/13.html","Overdevest I, Willemsen I, Rijnsburger M, Eustace A, Xu L, Hawkey P, et al. Extended-spectrum β-lactamase genes of Escherichia coli in chicken meat and humans, the Netherlands. Emerg Infect Dis. 2011;17(7):1216–22.","Hijazi SM, Fawzi MA, Ali FM, Abd El Galil KH. Prevalence and characterization of extended-spectrum beta-lactamases producing Enterobacteriaceae in healthy children and associated risk factors. Ann Clin Microbiol Antimicrob [Internet]. BioMed Central; 2016;15(1):3. Available from: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=4731960&tool=pmcentre z&rendertype=abstract","instname:Universidad del Rosario","reponame:Repositorio Institucional EdocUR"]},{"key":"dc:title","label":"Title","values":["Factores asociados a infección urinaria por bacterias gram negativas BLEE positivas en población pediátrica"]}]}],"canonical_facts":{"dc:creator":["Mercado Santis, Elida teresa"],"dc:date":["2017-01-18","2017-02-09T12:58:31Z"],"dc:description":["Introducción: Las infección del tracto urinario (ITU) causada por bacterias productoras de betalactamasas de espectro extendido (BLEE) en niños ha venido en aumento en los últimos años. Se pretendió identificar los factores asociados para su presentación, en una muestra de pacientes en la Clínica Infantil Colsubsidio. Metodología: Estudio de casos y controles, tomando como casos niños con ITU de origen comunitario causado por bacterias BLEE positivas, pareado con niños con ITU causada por otras bacterias; se tuvo en cuenta una relación de 1:3. La muestra estadística se calculó con Epidat®. El análisis bivariado se hizo mediante pruebas de chi cuadrado, toda p por debajo de 0.05 se consideró significativo. Resultados: Se incluyeron un total de 68 niños, 17 casos y 51 controles. Las características de edad, género y escolaridad mostraron una distribución homogénea. El agente causal más frecuente en ambos grupos fue Escherichia coli. Los factores descritos en la literatura como antecedente de ITU previa (P=0.64), hospitalización reciente (P=0.97), uso de antibiótico los últimos 2 meses (P=0.84), profilaxis antibiótica (P=0.33) y procedimientos en el tracto urinario (p=0.96) no mostraron asociaciones significativas. Discusión: Se requieren estudios con muestras más amplias para poder identificar si los factores descritos están relacionados con ITU por bacterias BLEE positivas en nuestra población.","Background: Urinary tract infection caused by Gram-negative bacteria producing extended-spectrum beta-lactamase (ESBL) is very uncommon in children, however has been increasing in recent years. This study aimed to identify the associated factors for its presentation, in a sample of patients at the Clínica Infantil Colsubsidio. Methodology: A case-control study was conducted, considering as cases: children with urinary tract infection originated in the community caused by Gram negative ESBL-positive bacteria, paired with children with urinary tract infection caused by other bacteria. A ratio of 1: 3 was taken into account. The statistical sample was calculated with Epidat®. The bivariate analysis was done using chi-square tests, all p below 0.05 was considered significant. Results: A total of 68 children were included, 17 cases and 51 controls. The characteristics of age, gender and schooling showed a homogeneous distribution. The most frequent causative agent was Escherichia coli. Factors described in the literature as a history of previous UTI (P = 0.64), recent hospitalization (P = 0.97), antibiotic use in the last 2 months (P = 0.84), antibiotic prophylaxis (P = 0.33) and urinary tract procedures P = 0.96) did not show significant differences. Discussion:Larger sample studies are needed to identify whether the factors described are related to UTI by BLEE positive bacteria in our population."],"dc:format":["application/pdf"],"dc:identifier":["https://doi.org/10.48713/10336_12925","http://repository.urosario.edu.co/handle/10336/12925"],"dc:language":["spa"],"dc:publisher":["Universidad del Rosario","Facultad de medicina","Especialización en Pediatría"],"dc:rights":["info:eu-repo/semantics/openAccess","http://creativecommons.org/licenses/by-nc-nd/2.5/co/"],"dc:source":["Bitsori M, Galanakis E. Pediatric urinary tract infections : diagnosis and treatment. Expert Rev Anti Infect Ther. 2012;10(10):1153–64.","Paintsil E. Update on recent guidelines for the management of urinary tract infections in children : the shifting paradigm. Curr Opin. 2013;25(1):88–94.","Sood A, Penna FJ, Eleswarapu S, Pucheril D, Weaver J, Wagner JC, et al. Incidence, admission rates and economic burden of pediatric emergency department visits for urinary tract infection: data from the nationwide emergency department sample, 2006 to 2011. J Pediatr Urol [Internet]. Elsevier Ltd; 2014;(2015). Available from: http://dx.doi.org/10.1016/j.jpurol.2014.10.005","Bitsori M, Maraki S, Kalmanti M. Resistance against broad-spectrum β -lactams among uropathogens in children. Pediatr Nephrol. 2009;24:2381–6.","Megged O. Extended-spectrum β -lactamase-producing bacteria causing community- acquired urinary tract infections in children. Pediatr Nephrol. 2014;","Fan N, Chen H, Chen C, Ou L, Lin T, Tsai M, et al. Rise of community-onset urinary tract infection caused by extended-spectrum b -lactamase-producing Escherichia coli in children. J Microbiol Immunol Infect [Internet]. Elsevier Taiwan LLC; 2013;1–7. Available from: http://dx.doi.org/10.1016/j.jmii.2013.05.006","Kizilca O, Siraneci R, Yilmaz A, Hatipoglu N, Ozturk E, Kiyak A, et al. Risk factors for community-acquired urinary tract infection caused by ESBL-producing bacteria in children. Pediatr Int. 2012;54:858–62.","Topaloglu R, Er I, Dogan BG. Risk factors in community-acquired urinary tract infections caused by ESBL-producing bacteria in children. Pediatr Nephrol. 2010;25:919–25.","Dayan N, Dabbah H, Weissman I, Aga I, Even L, Glikman D. Urinary Tract Infections Caused by Community-Acquired Extended-Spectrum β-Lactamase- Producing and Nonproducing Bacteria: A Comparative Study. J Pediatr [Internet]. Elsevier Ltd; 2013;163(5):1417–21. Available from: http://dx.doi.org/10.1016/j.jpeds.2013.06.078","Hoyos Á, Serna L, Ortiz G. Infección urinaria adquirida en la comunidad en pacientes pediátricos : clínica , factores de riesgo , etiología , resistencia a los antibióticos y respuesta a la terapia empírica Urinary tract infection acquired in the community in pediatric patients : Infectio. 2012;16(574):94–103.","Coy A, Galindo A, Quijano C, Rodríguez Y. Caracterización de la población con diagnóstico de infección del tracto urinario en la Clínica Infantil Colsubsidio de enero a junio de 2013, Bogotá, Colombia. 2013.","Srivastava RN, Vasudev AS. Urinary tract infections — current management. Apollo Med [Internet]. Indraprastha Medical Corporation Ltd.; 2011;8(4):270–5. Available from: http://dx.doi.org/10.1016/S0976-0016(11)60004-5","Morello W, Scola C La, Alberici I, Montini G. Acute pyelonephritis in children American Academy of Pediatrics. Pediatr Nephrol. 2016;31:1253–65.","Jadresic LP. Diagnosis and management of urinary tract infections in children. Paediatr Child Health (Oxford). 2010;20(6):274–8.","Flokas ME, Detsis M, Alevizakos M, Mylonakis E. Prevalence of ESBL-producing Enterobacteriaceae in paediatric urinary tract infections : A systematic review and. J Infect [Internet]. Elsevier Ltd; 2016;1–11. Available from: http://dx.doi.org/10.1016/j.jinf.2016.07.014","Salas P , Barrera P , González C, Zambrano P , Salgado I, Quiroz L, et al. Actualización en el diagnóstico y manejo de la Infección Urinaria en pediatría . Rev Chil Pediatr. 2012;83(3):269–78.","Becknell B, Schober M, Korbel L, Spencer JD, Becknell B, Schober M, et al. The diagnosis , evaluation and treatment of acute and recurrent pediatric urinary tract infections. Expert Rev. 2016;7210(August):81–90.","Nijman RJM, Radmayr C, Tekgu S. Urinary Tract Infections in Children: EAU / ESPU Guidelines. Eur Assoc Urol. 2015;67:546–58.","NICE. Urinary tract infection in children diagnosis , treatment and long-term management. 2007.","Bhat RG, Katy TA, Place FC. Pediatric Urinary Tract Infections. Emerg Med Clin NA [Internet]. Elsevier Inc; 2011;29(3):637–53. Available from: http://dx.doi.org/10.1016/j.emc.2011.04.004","Lukac PJ, Bonomo RA, Logan LK. Extended-Spectrum β -Lactamase -Producing Enterobacteriaceae in Children : Old Foe , Emerging Threat. Healthc Epidemiol. 2015;1–9.","Aksu NU, Ekinci Z, Dündar D, Baydemir C. Childhood urinary tract infections caused by ESBL-producing bacteria: Risk factors and empiric therapy. Pediatr Int. 2016","Wiles TJ, Kulesus RR, Mulvey MA. Origins and Virulence Mechanisms of Uropathogenic Escherichia coli. Exp Mol Pathol. 2009;85(1):11–9.","Rondon Mi, Rondon A. Infeccion del tracto urinario. 2011.","Stephens GM, Woxland H. Evaluation and Management of Urinary Tract Infections in the School-Aged Child. Prim Care Clin Off Pract [Internet]. Elsevier Inc; 2015;42(1):33–41. Available from: http://dx.doi.org/10.1016/j.pop.2014.09.007","Paterson DL, Bonomo RA. Extended-Spectrum Beta-Lactamases: a Clinical Update. Clin Microbiol Rev. 2005;18(4):657–86.","Pitout JDD, Nordmann P, Laupland KB, Poirel L. Emergence of Enterobacteriaceae producing extended-spectrum b -lactamases ( ESBLs ) in the community. J Antimicrob Chemother. 2005;56:52–9.","Jadresi L. Urinary tract infections in children. Paediatr Child Health (Oxford). 2013;24(7):289–92.","Schmidt B, Copp HL. Work-up of Pediatric Urinary Tract Infection. Urol Clin NA [Internet]. Elsevier Inc; 2015;42(4):519–26. Available from: http://dx.doi.org/10.1016/j.ucl.2015.05.011","Melbourne TRCH. Urinary Tract Infection Guideline. 2014.","Village EG. Urinary Tract Infection : Clinical Practice Guideline for the Diagnosis and Management of the Initial UTI in Febrile Infants and Children 2 to 24 Months. Pediatrics. 2011;128(3):594–611.","CLSI. Performance Standards for Antimicrobial Susceptibility Testing ; Twenty- Second Informational Supplement. 2012.","Pujol M. El significado clínico de las betalactamasas de espectro extendido. Enferm Infecc Microbiol Clin. 2015;21(2):69–71.","Dalgic N, Sancar M, Bayraktar B, Dincer E, Pelit S. 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Available from: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=4731960&tool=pmcentre z&rendertype=abstract","instname:Universidad del Rosario","reponame:Repositorio Institucional EdocUR"],"dc:subject":["Beta-lactamasas","Resistencia betalactámica","Infecciones urinarias","Infecciones comunitarias adquiridas","Factores de riesgo","Niños","Ginecología & otras especialidades médicas","Pediatría","Infecciones","Infecciones bacterianas","Sistema urinario","Urinary tract infection","Community-Acquired Infections","Risk Factors","Child","Infecciones del tracto urinario"],"dc:title":["Factores asociados a infección urinaria por bacterias gram negativas BLEE positivas en población pediátrica"],"dc:type":["info:eu-repo/semantics/masterThesis","info:eu-repo/semantics/acceptedVersion"]},"updated_at":"2026-07-27T20:46:31Z"}