Sepsis Clinical Trial
Official title:
Is Re-examination of Urine Culture Necessary for Patients With Preoperative Positive Results in Predicting Infectious Complications Related to Mini-Percutaneous Nephrolithotomy?
Objective To explore the predictive value of urine culture re-examination in identifying infectious complications associated with mini-PCNL in patients with preoperative positive urine culture who were treated with sensitive antibiotics. Methods Prospective and consecutive clinical data were collected from patients whose preoperative urine culture was positive and who underwent PCNL at the Department of Urology, the First Affiliated Hospital of Guangzhou Medical University. If patients'preoperative urine cultures were positive, they would be treated with appropriate antibiotics in accordance with the culture-antibiogram test results, and urine cultures were repeated on day 3 and day 7. Patients would undergo mini-PCNL after the treatment of sensitive antibiotics for 7 days, and the correlation between the results of urine culture on day 3 and day 7 and infectious complications related to mini-PCNL after surgery was analyzed.
PCNL (Percutaneous Nephrolithotomy) is the preferred treatment option for kidney stones with a diameter of ≥ 2 cm . Hemorrhage and infection are the primary complications following PCNL. Thanks to the advancements in interventional techniques, most hemorrhagic complications can be controlled with interventional treatment. In contrast, related infectious complications, such as urosepsis, are more perilous and challenging to control. Therefore, measures should be taken to prevent the occurrence of post-PCNL infectious complications, among which the most critical is the use of perioperative antibiotics. Currently, there is no consensus in the academic community regarding the strategy for the use of perioperative antibiotics in patients with positive preoperative urine cultures undergoing PCNL , and there is controversy over whether it is necessary to recheck urine culture after treatment with sensitive antibiotics . Some scholars believe that urine culture should be rechecked after antibiotic treatment and surgery should be performed only after the culture turns negative , but others argue that it is unnecessary to recheck urine culture after antibiotic treatment . Generally, since antibiotics might induce false-negative results in urine bacteria, it is recommended to discontinue antibiotics for more than 3 days before re-examining the urine culture . However, urological patients often have stone obstruction combined with urinary tract infection, and discontinuing antibiotics might lead to the recurrence of the infection. Therefore, this article mainly explores the role of re-examined urine culture after treatment with sensitive antibiotics in predicting infectious complications related to mini-PCNL post-surgery. ;
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