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Croatian Journal of Infection, Vol. 42 No. 3, 2022.

Case report, case study

https://doi.org/10.37797/ig.42.3.3

Kidney abscess as a complication of acute pyelonephritis

Branimir Gjurašin orcid id orcid.org/0000-0002-8826-0741 ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska *
Tomislava Skuhala ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska; Katedra za infektologiju, Stomatološki fakultet Sveučilišta u Zagrebu, Hrvatska
Ana Šoštarić Zadro ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska
Ivana Puškarić ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska
Iva Butić ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska; Katedra za kliničku mikrobiologiju, Stomatološki fakultet Sveučilišta u Zagrebu, Hrvatska
Višnja Škerk ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska
Alemka Markotić ; Klinika za infektivne bolesti „Dr. Fran Mihaljević“, Zagreb, Hrvatska; Medicinski fakultet Sveučilišta u Rijeci, Rijeka; Hrvatsko katoličko sveučilište, Zagreb, Hrvatska

* Corresponding author.

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Abstract

As an important complication of acute pyelonephritis, kidney abscess requires prolonged antimicrobial treatment, often with percutaneous drainage. Due to non-specific symptoms, including blood and urine tests, kidney abscess should be considered in the differential diagnosis in a patient with acute pyelonephritis showing slow response or failure to antimicrobial treatment. Here we present a case of an 86-year-old female patient without any chronic diseases or history of urinary infections, who was admitted with a diagnosis of acute pyelonephritis, which was complicated by intrarenal abscess and bacteriemia caused by Escherichia coli producing extended-spectrum beta-lactamase. Radiologic detection of a kidney abscess was crucial to establishing a definitive diagnosis, as well as antimicrobial susceptibility results, which showed resistance to the initially started therapy. The patient underwent prolonged treatment with a complete resolution of symptoms and radiologic signs of abscess on clinical follow-up.

Keywords

kidney abscess; E. coli; ESBL

Hrčak ID:

332739

URI

https://hrcak.srce.hr/332739

Publication date:

27.6.2025.

Article data in other languages: croatian

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