Renal Artery Stenosis

Exam Cram

• Presentation: persistent hypertension with large rise in creatinine (30%) upon starting ACE inhibitor

• Investigation: MRI angiogram > CT > US

• Can be unilateral or bilateral

• Management: 1. antihypertensives, 2. stenting

Med Reg Notes

• Acceptable to increase creatinine by 30% when starting ACEi/ ARBs from renal efferent arteriole vasodilation, reducing glomerular pressure

• Alternative medical management of BP: nitrates, hydralazine

Resources and References

Written in 2025