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Pulmonary Circulation Disorders: Causes, Symptoms, and Treatments Pulmonary Circulation Disorders: Causes, Symptoms, and Treatments

Pulmonary Circulation Disorders: Causes, Symptoms, and Treatments

Artemis Hospital

January 21, 2026 |
Pulmonary Circulation Disorders: Causes, Symptoms, and Treatments 9 Min Read | 131

Pulmonary Vascular Diseases (pulmonary vascular diseases) are a group of conditions affecting the blood vessels in the lungs that generally cause shortness of breath and decreased exercise tolerance. In layman's terms, you can call them lung blood vessel diseases or simply lung circulation diseases.

These conditions are generally not curable but, under the best Cardiologist in Ludhiana, can often be managed effectively.

Types of Pulmonary Circulation Disorders

Here are the major types:

Type Main Cause Key Aspects
Pulmonary Arterial Hypertension (PAH) Narrowed lung arteries Often idiopathic or connective tissue-related
Left Heart Disease–Related Heart failure or valve disease Back pressure into the lungs
Lung Disease–Related COPD, ILD, sleep apnea Low oxygen–induced vasoconstriction
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) Chronic blood clots Scarred, blocked lung arteries
Unclear or Multifactorial Mixed systemic causes Multiple or unknown mechanisms

What are the Causes Pulmonary Circulation Disorders

The best Cardiologist in Ludhiana says the following factors can be the reasons behind lung blood vessel diseases:

1. Blood Clots (Also Known as Pulmonary Embolism)

Blood clots forming in deep leg veins (deep vein thrombosis) travel to the lungs. This can lead to blood flow blockage to the lungs.

2. Heart Conditions

Cardiac conditions like left-sided heart failure, mitral valve issues (a problem with the valve located between the left heart chambers), or congenital heart defects (like Tetralogy of Fallot) can cause back pressure into the lungs.

3. Long-term Lung Diseases

Conditions such as COPD (Chronic Obstructive Pulmonary Disease), emphysema (alveoli become abnormally inflated, making it harder to breathe), and lung fibrosis reduce oxygen. This causes lung arteries to constrict and thicken (hypoxic vasoconstriction), which strains the vessels and raises pressure in the lungs.

4. Autoimmune Diseases

Autoimmune diseases such as lupus, scleroderma, and rheumatoid arthritis result in narrowed vessels, inflammation, scarring, and clotting. This disturbs the routine blood flow and oxygen exchange in the lungs.

5. Medications and Toxins

Some appetite suppressants (Fen-Phen), amphetamines, and toxins interfere with serotonin pathways (triggering vessel narrowing). This induces abnormal growth and thickening of the lung’s artery walls, raising pressure.

6. Sleep Apnea

The repeated breathing pauses during sleep decrease oxygen levels and raise carbon dioxide. This forces lung blood vessels to tighten and eventually thicken over time, causing pulmonary hypertension (abnormally high blood pressure in the arteries leading from the heart to the lungs).

7. Infections

Severe lung infections can cause inflammation and accumulation of fluid, which can trigger pulmonary circulation disorders.

Symptoms of Lung Blood Vessel Diseases

Consult your doctor if you experience the following symptoms:

  • Sudden shortness of breath
  • Chest pain
  • Irregular heartbeat
  • Cough with blood-streaked mucus
  • Excessive sweating, fever, clammy skin
  • Dizziness
  • Severe cases may include bluish skin, lips, or nails

Treatment of Pulmonary Circulation Disorders

The best cardiologists, like those at Artemis Cardiac Care, Ludhiana, focus on preventing clots, improving blood flow, and managing underlying causes.

  • Anticoagulants (Blood Thinners)
  • Thrombolytics ("Clot Busters"), given in emergency, life-threatening cases
  • Surgical or other interventional procedures
  • Supportive care
  • Lifestyle modification to manage underlying risk factors (smoking, exposure to lung irritants, certain genetic conditions, etc.)

Best Pulmonary Circulation Disorders Treatment Hospital Near Me in Ludhiana | Artemis Cardiac Care

Artemis Cardiac Care is known for comprehensive heart and lung blood vessel care, including lung blood vessel diseases. Visit the best nearby heart doctor in Ludhiana to prevent further complications.

Treatment Options Available:

Call us at +91 9070902010 (24/7).

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