What is cor pulmonale? How is it caused?

What is cor pulmonale? How is it caused?

There are many causes of cor pulmonale, such as bronchial or lung diseases, which can also manifest as symptoms of Alisma. Patients sometimes also have problems such as respiratory failure. Primary pulmonary hypertension can easily develop into cor pulmonale.

1. Bronchial and lung diseases

Chronic bronchitis complicated with obstructive pulmonary emphysema is the most common, followed by bronchial asthma, bronchiectasis, severe pulmonary tuberculosis, pneumoconiosis, chronic diffuse pulmonary fibrosis, sarcoidosis, allergic alveolitis, eosinophilic granuloma, etc.

2. Thoracic movement disorders

Less common are severe posterior spondylosis, scoliosis, spinal tuberculosis, rheumatoid arthritis, extensive pleural adhesions, severe chest or spinal deformity caused by thoracoplasty, and neuromuscular diseases such as poliomyelitis.

3. Pulmonary vascular disease

rare. Allergic granulomatosis involving the pulmonary arteries, extensive or recurrent multiple pulmonary arteriolar embolism and pulmonary arteritis, and primary pulmonary hypertension of unknown cause develop into cor pulmonale.

4. Clinical manifestations

Chronic cor pulmonale is a heart disease caused by chronic bronchial, lung, thoracic or pulmonary arterial vascular diseases, which leads to increased pulmonary circulatory resistance and pulmonary hypertension, resulting in right heart hypertrophy and enlargement, with or without right heart failure. Acute cor pulmonale is mainly caused by sudden embolism of the main pulmonary artery or its main branches, which blocks most of the pulmonary circulation and leads to a sharp increase in pulmonary artery pressure, acute right ventricular dilatation and right ventricular failure.

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