Abstract
AbstractUrinary tract infection (UTI) constitutes a pervasive health concern. UTIs are dichotomously classified into upper and lower strata, and further categorized as either complicated or uncomplicated. Upper UTIs predominantly afflict the renal and ureteral domains, typified by conditions exemplified in pyelonephritis, whereas lower UTIs manifest within the confines of the urethra and bladder. The conventional diagnosis of UTIs relies upon clinical manifestations and urine culture. Common symptoms encompass dysuria, frequent micturition, hematuria, and suprapubic discomfort. Urine culture serves to identify the specific pathogens instigating the infection and assess their antibiotic susceptibility. However, this procedural protocol generally necessitates an approximate duration of 24 h, coupled with an additional 24‐h interval for antibiotic susceptibility testing. In contradistinction, the detection of cell‐free DNA (cfDNA) in the circulatory system presents a potential avenue for non‐invasive diagnostic modalities. Notwithstanding, cfDNA emanates from deteriorating cells, affording insights into the extant cellular demise within the organism. Extensive scholarly inquiry has established a positive correlation between cfDNA concentration in the bloodstream and the incidence of cell death in conditions, such as severe traumas, sepsis, aseptic inflammation, myocardial infarction, and stroke. However, limited investigative effort has been devoted to elucidating the diagnostic potential of cfDNA in the context of UTIs. Consequently, the concentration and constitution of plasma cfDNA harbor substantial promise for non‐invasively diagnosing UTIs. In summation, the utilization of cfDNA in UTI diagnosis remains an incipient area of scholarly pursuit, underscoring the imperative for further research to elucidate the prospective role of plasma cfDNA in non‐intrusively discerning UTIs.
Published Version
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