Urogenital Tract Infection

Review Articles

Asymptomatic Bacteriuria in Older Adults – Diagnosis, Management, and Future Directions: A Narrative Review: Ki Hong Kim, Hee Jo Yang; Urogenit Tract Infect 2025;20(2):58-66. Published online August 31, 2025; DOI: https://doi.org/10.14777/uti.2550002001

Asymptomatic bacteriuria (ASB) is defined as the presence of bacteria in the urine in the absence of urinary tract infection (UTI) symptoms. The prevalence of ASB increases with advancing age, particularly among older patients with underlying health conditions. ASB is especially common among residents of long-term care facilities; however, distinguishing ASB from symptomatic UTI in this population remains a significant clinical challenge. The frequent occurrence of ASB often results in unnecessary antibiotic administration, thereby contributing to the development of antibiotic resistance. Current clinical guidelines recommend screening for and treating ASB only in certain circumstances, such as prior to urological procedures or in pregnant women. There is a pressing need for improved diagnostic approaches to differentiate ASB more accurately from UTI, particularly in older adults. Reducing unnecessary urine testing and inappropriate antibiotic use may help prevent over-treatment and minimize associated risks, including Clostridium difficile infection and increased antimicrobial resistance.

Citations

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Effect of systemic enzyme therapy on the incidence of stentassociated infectious complications in female patients with urolithiasis: a multicentre study
S. V. Kotov, A. A. Nemenov, R. A. Perov, I. E. Mamaev, S. V. Belomyttsev, S. A. Pulbere, A. D. Bolotov
Urology Herald.2026; 14(2): 56. CrossRef
In Vitro Activity of Mecillinam Against ESBL- and Non-ESBL-Producing Escherichia coli and Klebsiella pneumoniae Urinary Isolates
Alvaro Irigoyen-von-Sierakowski, Ramón Pérez-Tanoira, Pilar Galicia, Manuel Linares-Rufo, María Ropero-Martínez, Harold Bermúdez-Marval, Carlos García-Bertolín, José Vázquez-Mariño, Juan Cuadros-González
Acta Microbiologica Hellenica.2026; 71(3): 33. CrossRef
Association Between Asymptomatic Bacteriuria and Adverse Pregnancy and Birth Outcomes
Batool Munhim Jubair, Zainab Tariq Alyassin
Clinical Medicine and Health Research Journal.2026; 06(05): 1908. CrossRef
Evaluation of Extended-Spectrum Beta-Lactamase Production and 28-Day Mortality Predictors in Urine Cultures of Hospitalized Elderly Patients
Kerem Yılmaz, Merve Büyükkörük, Akın Öğünç İnan
Urologia Internationalis.2026; : 1. CrossRef
Diagnostic Accuracy and Variability in Positivity Criteria of Genomic Methods for Urinary Tract Infection: A Systematic Review and Meta-Analysis
Maryam Jawad, Fatima Wasif Dar, Fatmaelzahraa Gamil Omar, Zaina Asif Hussain, Marfoha Tabassum, Osama Ahmed, Amal A. H. Gadalla
Antibiotics.2026; 15(11): 1093. CrossRef
Editorial for Urogenital Tract Infection (UTI) 2025 Vol. 20 No. 2 – Highlights of This Issue’s Papers and the UTI Editors’ Pick
Koo Han Yoo
Urogenital Tract Infection.2025; 20(2): 55. CrossRef

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Postoperative Microscopic Pyuria and Role of Damage-Associated Molecular Pattern: A Literature Review: Min-Kyu Kim, Ki Hong Kim; Urogenit Tract Infect 2024;19(3):73-79. Published online December 31, 2024; DOI: https://doi.org/10.14777/uti.2448026013

Abstract PDF PubReader ePub: All patients who undergo transurethral prostate surgery exhibit pyuria and microscopic hematuria in postoperative urinalysis. Postoperative asymptomatic pyuria is associated with the inflammatory process and surface remodeling of the prostate, rather than infection. Various studies have investigated the incidence, duration, and risk factors for postoperative pyuria, noting that factors like age, surgery time, and prostate size can influence outcomes. Postoperative pyuria reflects tissue recovery and inflammation, and the use of antibiotics in asymptomatic patients may not be appropriate.

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