TO EVALUATE THE ROLE OF THE DOPPLER SONOGRAPHY AS A SIMPLE AND NON INVASIVE TECHNIQUE FOR EVALUATING INTRARENAL VASCULAR RESISTANCE IN HYDRONEPHROSIS
Keywords:doppler, sonography, vascular & hydronephrosis.
Background & Method: This was a hospital based, time bound, and prospective study, done in the Department of Radio diagnosis of Govt. Medical College, Nagpur, Maharashtra, India with 100 patients. Patients were chosen according to the consideration and the avoidance rules. Two gatherings of the patients were made, one with obstructive one-sided hydronephrosis with or without an enlarged ureter and other one with non-obstructive one-sided hydronephrosis with expanded urinary lot and bladder association.
Result: In obstructive cases increased renal length along with renal cortical thinning were seen in 32 (50%) cases, however decreased renal parenchymal thickness was seen in 48 (75%) cases. Bladder involvement was not seen at all. In nonobstructive cases increased renal length and renal cortical thinning were seen in 14 (36.8%) cases, however decreased renal parenchymal thickness were seen in 18 (47.3%) cases. Bladder involvement along with hydroureter was seen in 33 (86.8%).
Conclusion: The renal doppler ultrasonography should be used as the primary modality of imaging in all suspected cases of unilateral hydronephrosis, in paediatric age group, as it is a simple, non-invasive, non hazardous, cost effective, readily and widely available, less time consuming modality, to reliably distinguish between obstructive and non-obstructive urinary tract dilatation and thereby helping the clinician to plan optimal management strategy.
Keywords: doppler, sonography, vascular & hydronephrosis.
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