OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU

Kevin Mikael Rosales-Cruzalegui; Luis Enrique Polo-Vidal; Hugo Aurelio Alpaca-Salvador

doi:10.25176/RFMH.v26i2.7978

OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU

Kevin Mikael Rosales-Cruzalegui
, Luis Enrique Polo-Vidal
, Hugo Aurelio Alpaca-Salvador

Universidad Nacional del Santa

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

Resumen

Introduction: The association between the implementation of an Antimicrobial Stewardship Program (ASP) and clinical cure was evaluated in hospitalized patients with urinary tract infection (UTI) caused by extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli. A retrospective cohort study was conducted at Hospital III EsSalud-Chimbote, including a cohort of 18 patients not exposed to the ASP and 34 exposed patients. The overall clinical cure rate was 86.5%. In the multivariable model using Firth's penalized logistic regression, the ASP was not associated with clinical cure, with an adjusted odds ratio (aOR) of 0.37 (95% CI: 0.03–2.35; p=0.309). Female sex was associated with a higher likelihood of clinical cure, with an aOR of 7.32 (95% CI: 1.39–51.96; p=0.019). In conclusion, exposure to the ASP was not significantly associated with clinical cure in hospitalized patients with UTI caused by ESBL-producing E. coli.

Idioma original	Inglés
Páginas (desde-hasta)	123-131
Número de páginas	9
Publicación	Revista de la Facultad de Medicina Humana
Volumen	26
N.º	2
DOI	https://doi.org/10.25176/RFMH.v26i2.7978
Estado	Publicada - 30 jun. 2026

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Publisher Copyright:
Article published by the Revista de la Facultad de Medicina Humana of Universidad Ricardo Palma. It is an open access article, distributed under the terms of the Creative Commons License: Creative Commons Attribution 4.0 International, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), which allows non-commercial use, distribution and reproduction in any medium, provided that the original work is duly cited. For commercial use, please contact [email protected]

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title = "OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU",

abstract = "Introduction: The association between the implementation of an Antimicrobial Stewardship Program (ASP) and clinical cure was evaluated in hospitalized patients with urinary tract infection (UTI) caused by extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli. A retrospective cohort study was conducted at Hospital III EsSalud-Chimbote, including a cohort of 18 patients not exposed to the ASP and 34 exposed patients. The overall clinical cure rate was 86.5\%. In the multivariable model using Firth's penalized logistic regression, the ASP was not associated with clinical cure, with an adjusted odds ratio (aOR) of 0.37 (95\% CI: 0.03{\textendash}2.35; p=0.309). Female sex was associated with a higher likelihood of clinical cure, with an aOR of 7.32 (95\% CI: 1.39{\textendash}51.96; p=0.019). In conclusion, exposure to the ASP was not significantly associated with clinical cure in hospitalized patients with UTI caused by ESBL-producing E. coli.",

keywords = "Antimicrobial stewardship, Beta-lactamases, cohort studies, Escherichia coli infections, Urinary tract infections",

author = "Rosales-Cruzalegui, \{Kevin Mikael\} and Polo-Vidal, \{Luis Enrique\} and Alpaca-Salvador, \{Hugo Aurelio\}",

note = "Publisher Copyright: Article published by the Revista de la Facultad de Medicina Humana of Universidad Ricardo Palma. It is an open access article, distributed under the terms of the Creative Commons License: Creative Commons Attribution 4.0 International, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), which allows non-commercial use, distribution and reproduction in any medium, provided that the original work is duly cited. For commercial use, please contact [email protected]",

year = "2026",

month = jun,

day = "30",

doi = "10.25176/RFMH.v26i2.7978",

language = "Ingl{\'e}s",

volume = "26",

pages = "123--131",

journal = "Revista de la Facultad de Medicina Humana",

issn = "1814-5469",

publisher = "Universidad Ricardo Palma, Instituto de Investigaciones en Ciencias Biomedicas, Facultad de Medicina Humana",

number = "2",

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OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU. / Rosales-Cruzalegui, Kevin Mikael; Polo-Vidal, Luis Enrique; Alpaca-Salvador, Hugo Aurelio.
En: Revista de la Facultad de Medicina Humana, Vol. 26, N.º 2, 30.06.2026, p. 123-131.

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

TY - JOUR

T1 - OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU

AU - Rosales-Cruzalegui, Kevin Mikael

AU - Polo-Vidal, Luis Enrique

AU - Alpaca-Salvador, Hugo Aurelio

N1 - Publisher Copyright: Article published by the Revista de la Facultad de Medicina Humana of Universidad Ricardo Palma. It is an open access article, distributed under the terms of the Creative Commons License: Creative Commons Attribution 4.0 International, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/), which allows non-commercial use, distribution and reproduction in any medium, provided that the original work is duly cited. For commercial use, please contact [email protected]

PY - 2026/6/30

Y1 - 2026/6/30

N2 - Introduction: The association between the implementation of an Antimicrobial Stewardship Program (ASP) and clinical cure was evaluated in hospitalized patients with urinary tract infection (UTI) caused by extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli. A retrospective cohort study was conducted at Hospital III EsSalud-Chimbote, including a cohort of 18 patients not exposed to the ASP and 34 exposed patients. The overall clinical cure rate was 86.5%. In the multivariable model using Firth's penalized logistic regression, the ASP was not associated with clinical cure, with an adjusted odds ratio (aOR) of 0.37 (95% CI: 0.03–2.35; p=0.309). Female sex was associated with a higher likelihood of clinical cure, with an aOR of 7.32 (95% CI: 1.39–51.96; p=0.019). In conclusion, exposure to the ASP was not significantly associated with clinical cure in hospitalized patients with UTI caused by ESBL-producing E. coli.

AB - Introduction: The association between the implementation of an Antimicrobial Stewardship Program (ASP) and clinical cure was evaluated in hospitalized patients with urinary tract infection (UTI) caused by extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli. A retrospective cohort study was conducted at Hospital III EsSalud-Chimbote, including a cohort of 18 patients not exposed to the ASP and 34 exposed patients. The overall clinical cure rate was 86.5%. In the multivariable model using Firth's penalized logistic regression, the ASP was not associated with clinical cure, with an adjusted odds ratio (aOR) of 0.37 (95% CI: 0.03–2.35; p=0.309). Female sex was associated with a higher likelihood of clinical cure, with an aOR of 7.32 (95% CI: 1.39–51.96; p=0.019). In conclusion, exposure to the ASP was not significantly associated with clinical cure in hospitalized patients with UTI caused by ESBL-producing E. coli.

KW - Antimicrobial stewardship

KW - Beta-lactamases

KW - cohort studies

KW - Escherichia coli infections

KW - Urinary tract infections

UR - https://www.scopus.com/pages/publications/105046021240

U2 - 10.25176/RFMH.v26i2.7978

DO - 10.25176/RFMH.v26i2.7978

M3 - Artículo

AN - SCOPUS:105046021240

SN - 1814-5469

VL - 26

SP - 123

EP - 131

JO - Revista de la Facultad de Medicina Humana

JF - Revista de la Facultad de Medicina Humana

IS - 2

ER -

OPTIMAL ANTIMICROBIAL USE AND CLINICAL CURE IN URINARY TRACT INFECTION DUE TO BETA-LACTAMASE-RESISTANT ESCHERICHIA COLI AT A TERTIARY HOSPITAL IN NORTHERN PERU

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