RENAL ARTERY STENOSIS

Description

It is the narrowing of one or more arteries that carry blood to your kidneys

Symptoms

  • High blood pressure
  • Whooshing sound as blood flows through a narrowed vessel
  • Elevated protein levels in the urine
  • Fluid overload
  • Swelling in your body’s tissues
  • Treatment-resistant heart failure

Causes

  • Atherosclerosis of the renal arteries
  • Fibromuscular dysplasia

Risk Factors

  • Aging
  • High blood pressure
  • High cholesterol
  • Diabetes
  • Obesity
  • Smoking and other tobacco use
  • Family history of early heart disease
  • Lack of exercise

Diagnostic Tests

  • Physical examination
  • Medical history
  • Blood tests
  • Urine tests
  • Doppler ultrasound
  • Magnetic resonance angiography (MRA)
  • CT scan
  • Renal arteriography

Treatment

  • Medicine for high blood pressure:
  • Angiotensin-converting enzyme (ACE) inhibitors
  • Angiotensin II receptor blockers (ARBs)
  • Diuretics
  • Beta blockers
  • Calcium channel blockers
  • Procedures:
  • Renal angioplasty
  • Stenting
  • Renal artery bypass surgery
  • Renal endarterectomy

Lifestyle Management

  • Maintain a healthy weight
  • Restrict salt in your diet
  • Be physically active
  • Reduce stress
  • Drink alcohol in moderation, if at all
  • Don’t smoke