Urogenital Tract Infection

Impact of the Timing of Percutaneous Nephrostomy on the Prognosis of Obstructive Urolithiasis With Sepsis: A Retrospective Cohort Study: Ji Eun Yu, Hyung Joon Kim, Hong Wook Kim, Young Seop Chang, Jin Bum Kim, Dong Hoon Koh; Urogenit Tract Infect 2024;19(3):89-96. Published online December 31, 2024; DOI: https://doi.org/10.14777/uti.2448018009

Abstract PDF PubReader ePub: Purpose
The aim of this study was to investigate the prognostic impact of time to percutaneous nephrostomy (PCN) insertion on obstructive ureteral stones with sepsis. Materials and Methods: Data were collected on patients who presented at our Emergency Department between 2017 and 2021 with obstructive uropathy due to urinary stones and underwent PCN insertion. Patients were stratified into 4 groups in accordance with the quick sepsis-related organ failure (qSOFA) score at presentation (<2 or ≥2) and time to PCN insertion (<4 hours or ≥4 hours) as follows: group 1, qSOFA < 2 and time to PCN insertion < 4 hours; group 2, qSOFA < 2 and time to PCN insertion ≥ 4 hours; group 3, qSOFA ≥ 2 and time to PCN insertion < 4 hours; group 4, qSOFA ≥ 2 and time to PCN insertion ≥ 4 hours. The prognostic impacts of the time to PCN insertion were compared between these groups
Results
The total cohort consisted of 96 patients, of whom 70 were classified as either group 1 or 2 (qSOFA < 2). Overall, 37 patients had a positive urine culture. The median time to PCN insertion was 218 minutes, and the median length of stay was 14 days. The hospitalization period was significantly shorter in group 3 than in group 4 (p=0.041).
Conclusions
A shorter length of stay was associated with more rapid PCN insertion in patients with obstructive uropathy and a high risk of sepsis.

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Risk Factors for Sepsis after Retrograde Intrarenal Surgery: Single Center Experience: Jinseok Kang, Koo Han Yoo, Taesoo Choi, Gyeong Eun Min, Dong-Gi Lee, Hyung-Lae Lee, Jeonghyouk Choi; Urogenit Tract Infect 2023;18(3):93-100. Published online December 31, 2023; DOI: https://doi.org/10.14777/uti.2023.18.3.93

Abstract PDF PubReader ePub: Purpose: To evaluate risk factors for sepsis after retrograde intrarenal surgery for treatment of renal stones.
Materials and Methods: We analyzed the clinical data of 243 patients with kidney stones who visited our institution between April 2017 and April 2023. Age, sex, body mass index, underlying disease, location and size of stones, previous history of stones, previous history of urinary tract infections, duration of surgery, preoperative drainage, application of ureteral balloon dilation, and laboratory test results were included in the analysis.
Results: The mean age of the patients was 58.4 (±15.0) years; there were more men (53.1%) than women (46.9%). Of the 243 patients, the overall rate of sepsis was 5.8% (n=14) and the total mortality rate was 0.4% (n=1). In univariate analysis, history of urinary tract infection (p=0.019), positive preoperative urine culture test (p=0.009), operative duration of more than 90 min (p=0.004), and application of ureter balloon dilation (p=0.016) were statistically significant. In multivariate analysis, positive finding in the urine culture test performed before surgery (p=0.003), operation duration >90 min (p=0.005), and use of balloon dilation during surgery (p=0.011) were statistically significant.
Conclusions: There is a risk of progression to postoperative sepsis if bacteria are detected in the urine culture before surgery, if the operative time exceeds 90 min, or if balloon dilation is performed during surgery. Given that the probability of progression to sepsis is approximately 6%, close observation and active treatment are needed for patients with these risk factors.

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Antimicrobial Therapy and Antimicrobial Stewardship in Urosepsis: Tae Hoon Oh; Urogenit Tract Infect 2023;18(1):15-19. Published online April 30, 2023; DOI: https://doi.org/10.14777/uti.2023.18.1.15

Abstract PDF PubReader ePub: Since the latest knowledge on the treatment and countermeasures for sepsis is being updated at a rapid pace, becoming familiar with the Surviving Sepsis guidelines is helpful for patient prognosis. Extended-spectrum beta-lactamases (ESBL) are important factors when selecting early empirical antibiotics for sepsis caused by urinary tract infections. For severe septic shock, prolonged infusion and combination therapy need to be considered.

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