Acute pielonephritis and renal abscesses in Piedmont and Aosta Valley
Abstract
The Piedmont Group of Clinical Nephrology compared the activity of 18 nephrology centers in Piedmont and Aosta Valley as regards acute pielonephritis (APN). Data from more than 500 cases per year of APN were examined. The microbial spectrum of APN consists mainly of Escherichia coli and Klebsiella pneumoniae. Diagnosis was based on both clinical and radiological criteria in most of the centers (computed tomography-CT o Magnetic Resonance Imaging-MRI). In four centers diagnosis was made with the radiological criteria and in one center only with the clinical features. CT and MRI were performed in about 47% and 44% of cases respectively. Urine culture was positive in 22 up to 100% of cases. The most commonly used antibiotics were fluoroquinolones (ciprofloxacin or levofloxacin) and ceftriaxone (50% of centers) or amoxicillin/clavulanic acid (25% of centers). In 75% of the centers, patients received a combination of two antibiotics (aminoglycoside in 22% of them ). In 72% of the centers, almost 50% of the patients were re-examined, while 38.8% of centers re-examined all the patients. Renal ultrasound was inappropriate to identify abscesses. The mean of patients in whom renal abscesses were detected by CT or MRI was 18.2%. The analysis shows a high variability in the way of diagnosing and treating APN in Piedmont and Aosta Valley regions. This suggests that even if APN is a frequent pathological condition, practical recommendations are required.
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