Figure 22

Angiogram and nephrogram of a persistent fractured kidney. The kidney damage shown here produced hypertension in a young woman 2 years after a motor vehicle accident. Measurement of renal vein renins confirmed unilateral production of renin from the affected side. Blood pressure control was achieved with blockade of the renin-angiotensin system using an angiotensin II receptor antagonist (losartan). Many traumatic injuries to the kidney produce temporary hypertension when a border of viable but underperfused renal tissue remains.

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