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What causes pulmonary arterial hypertension?

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Sometimes doctors can't find a reason for high blood pressure in the lungs. In that case, the condition is called idiopathic pulmonary hypertension. Genes may play a role in why some people get it. In other cases, there is another condition that's causing the problem. Any of these illnesses can lead to high blood pressure in your lungs:

  • Congestive heart failure
  • Blood clots in the lungs
  • HIV
  • Illegal drug use (like cocaine or methamphetamine)
  • Liver disease (such as cirrhosis of the liver)
  • Lupus, scleroderma, rheumatoid arthritis, and other autoimmune diseases
  • A heart defect you're born with
  • Lung diseases like emphysema, chronic bronchitis, or pulmonary fibrosis
  • Sleep apnea

From: Pulmonary Arterial Hypertension WebMD Medical Reference

SOURCES:

National Heart, Lung, and Blood Institute: "What Is Pulmonary Hypertension?"

Pulmonary Hypertension Association: "Treatment."

Barst, R.J. , 2004. Journal of the American College of Cardiology

Simonneau, G. , 2004. Journal of the American College of Cardiology

Runo, J.R. , 2003. Lancet

Mereles, D. , 2006. Circulation

Galie, N. y, 2004. Journal of the American College of Cardiolog

Badesch, D.B. , 2007. Chest

Klepetko, W. , 2004. Journal of the American College of Cardiology

Sitbon, O. , 2005. Circulation

Reviewed by Suzanne R. Steinbaum on February 20, 2017

SOURCES:

National Heart, Lung, and Blood Institute: "What Is Pulmonary Hypertension?"

Pulmonary Hypertension Association: "Treatment."

Barst, R.J. , 2004. Journal of the American College of Cardiology

Simonneau, G. , 2004. Journal of the American College of Cardiology

Runo, J.R. , 2003. Lancet

Mereles, D. , 2006. Circulation

Galie, N. y, 2004. Journal of the American College of Cardiolog

Badesch, D.B. , 2007. Chest

Klepetko, W. , 2004. Journal of the American College of Cardiology

Sitbon, O. , 2005. Circulation

Reviewed by Suzanne R. Steinbaum on February 20, 2017

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What are the symptoms of pulmonary arterial hypertension?

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