Analysis of Intravenous Urography Findings in a Tertiary Reference Center

Abstract

Objective: To analyze intravenous urography (IVU) findings in a tertiary reference center.Materials and Methods: A retrospective, observational study was conducted in a tertiary reference center.The radiology reports of 1,470 patients subjected to IVU in the period from January 2008 to December2012 were retrieved from the tertiary reference center databases. Patients’ demographic characteristics,type of care (inpatient or outpatient), and IVU radiologic findings were reviewed and analyzed.Results: Of 1470 patients, approximately two-thirds were males. The mean age of the patients was39.12±14.80 years (range: 2–95). Most of them were inpatients (92.9%; 1365/1470). The IVU findings wereabnormal in 68.8% (1012/1470) of patients. Urinary tract calculi were the most frequent type of calculiobserved among patients (36.8%; 541/1470), and the kidney was the most frequently affected organ bycalculi (66.5%; 541/814). Hydronephrosis was the second most frequent finding, being observed in 29.7%(436/1470) of patients.Conclusion: The presence urinary tract calculi was the most frequent IVU finding, revealing that urolithiasiscould be the main indication for IVU.