Stenosis

Definition

Stenosis is the abnormal narrowing of a body passage, vessel, or valve, obstructing or restricting flow.

Common Types

• Aortic stenosis: Classic triad: syncope, angina, dyspnea (SAD).
• Mitral stenosis: Often from rheumatic heart disease.
• Carotid stenosis: Stroke risk.
• Spinal stenosis: Back pain, neurogenic claudication.
• Renal artery stenosis: Secondary hypertension.
• Pyloric stenosis: Infant projectile vomiting.

Nursing Interventions

Varies by location. Monitor symptoms and complications. Medications to manage hypertension, anticoagulation, and symptoms. Surgical or interventional procedures: valve replacement, angioplasty with stent, endarterectomy, laminectomy.

NCLEX Relevance

Aortic stenosis classic triad: SAD (syncope, angina, dyspnea).