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

Abstract PDF: 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.

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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