Anatom3DRenal artery stenosis
Stenosis arteriae renalis · Stenóza renální tepny
What it is
A narrowed kidney artery — atherosclerosis in older people, fibromuscular dysplasia in young women — raising blood pressure and harming the kidney.
Symptoms & signs
- High blood pressure that is hard to control
- high blood pressure starting before 30 or after 55
- sudden fluid on the lungs
- kidney function falling on ACE inhibitors
- a bruit over the belly
🚩 Get help if…
- call 112 / 911 now Sudden breathlessness from fluid on the lungs
- call 112 / 911 now Blood pressure over 180/120 with headache or vision change
- see a doctor soon Blood pressure that stays high on 3 or more medicines
- see a doctor soon Kidney function worsening after starting a new blood-pressure medicine
Where it strikes
Medical treatment
- Doppler ultrasound, CT or MR angiography
- blood-pressure drugs, statin and aspirin
- angioplasty for fibromuscular dysplasia
- stenting only in selected atherosclerotic cases
Natural & lifestyle
- No smoking
- low-salt diet
- exercise and weight control
Emerging & experimental
- Renal denervation
- drug-eluting stents
Alternative, off-label & anecdotal
Approaches used outside the guidelines, with what their supporters report and what testing has found so far.
- Garlic — modest blood-pressure lowering in trials early / small studies
- Beetroot nitrates — trials disagree mixed evidence
- Hawthorn — traditional; interacts with drugs anecdotal / traditional
ICD codes
- ICD-10 I70.1
- ICD-11 BD40.2 Atherosclerosis of renal artery