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Abstract
Urinary Obstruction is a major clinical problem responsible for thousands of hospital admission and surgical problem each year because it predisposes to urinary infection , renal damage and renal failure.
Our study included 130 patients with hydronephrosis either unilateral or bilateral. Most of them were males in the 4th decade of life presented mainly with renal pain, renal colic, renal swelling , chronic dysuria , haematuria, uraemic manifestation with oliguria or anuria or asymptomatic.
The aim of our study is to evaluate the role of color duplex Doppler in cases with urinary tract obstruction. This study is done with comparison with other standard methods of evaluation of hydronephrosis to find its position in between them in the proper diagnosis, follow up and prediction of recoverability of the renal function.
The patients were subjected to full history taking, clinical examination and laboratory investigations such as urine analysis and culture, blood urea, serum creatinine, liver function tests, blood picture and blood sugar. All the patients with hydronephrosis primarily diagnosed by US , then the imaging techniques that help in diagnosis are : 1- Plain X-ray of the urinary tract (P.U.T) for all patients to detect radio opaque stones.
2-Intravenous urography (IVU) for 118 patients with 236 renal units.
3- Diuretic renogram for 118 patients with 236 renal units.
4- Doppler studies: Rl and post diuretic Rl were performed for all patients, ( 130 patients with 250 renal units ) and inter renal difference Rl and analysis of urine jets were done in 120 patient.