Abstract
Introduction Renal abscesses are relatively rare in children, but they can lead to prolonged hospital stay and life-threatening complications. Scrutiny of the literature over the past two decades indicates the absence of a unified tactic for the treatment of purulent-destructive forms of pyelonephritis in children, while more and more articles are appearing in terms of a low -key approach to the treatment of renal abscess in children. Materials and methods From 2005 to 2019, we treated 59 children with the renal abscess. Among the patients were 22 (37.3%) boys and 37 (62.3%) girls. The location of the abscess on the right was determined in 30 (50.8%) children, on the left, in 29 (49.2%). The average age of the patients was 109 months. The median size of kidney abscess among all patients was 29 [21; 42] mm (range from 12 to 69 mm). Results The results of treatment were evaluated in the period from 3 months to 5 years. In 27 (45.8%) patients, conservative treatment gave a positive effect, while in 32 (54.2%) abscess puncture was performed under ultrasound guidance. The median hospitalization in patients after an abscess puncture was 15 [14; 18] days, against 13 [9; 17] days for children receiving only antibiotic therapy. The duration of hospital stay was significantly longer in the group of patients who underwent puncture (p=0.019). The effectiveness of conservative therapy was a lot lower in patients with a kidney abscess of more than 3 cm, 60% versus 31% (p=0.026). All 59 patients recovered completely, and none of them required an open surgery to drain a suppurative focus of a kidney or nephrectomy. Conclusion Conclusion. Our experience confirms the literature data, indicating the need to use a conservative approach to the treatment of patients with the renal abscess as a first-line therapy. Identification of an abscess with a diameter of more than 3 cm in patients considerably increases the likelihood of using an abscess puncture with the absence of the efficacy of a conservative approach.
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