What happens if pulmonary hypertension is severe?

Apr 03, 2023 Source: Cainiu Health

Dr. Guo Xiheng

Introduction

In general, severe pulmonary hypertension can lead to complications such as hypoxia, lung infections, right ventricular hypertrophy and dilation, pulmonary thromboembolism, and arrhythmias. Pulmonary hypertension is a pathological and physiological condition; in severe cases, it can cause hypoxia, resulting in symptoms such as cyanosis of the lips, chest pain, dyspnea, and angina. Patients experiencing discomfort or symptoms should seek medical attention promptly.

In general, severe pulmonary hypertension can lead to complications such as hypoxia, pulmonary infections, right ventricular hypertrophy and dilation, pulmonary thromboembolism, and arrhythmias. The details are as follows:

1. Hypoxia

Pulmonary hypertension is a pathological and physiological condition. In severe cases, it can cause hypoxia, leading to symptoms such as cyanosis of the lips, chest pain, dyspnea, and angina pectoris.

2. Pulmonary Infections

Patients with severe pulmonary hypertension often have reduced immune function, making them prone to infections and symptoms such as fever. In severe cases, patients may even develop pericarditis.

3. Right Ventricular Hypertrophy and Dilation

Severe pulmonary hypertension increases resistance to blood flow from the right ventricle into the pulmonary artery, resulting in right ventricular hypertrophy and dilation. This complication further increases the burden on the heart.

4. Pulmonary Thromboembolism

Sluggish blood flow in the pulmonary arteries predisposes to thrombus formation. If a clot detaches and blocks blood vessels in the lungs, it may cause severe dyspnea, chest pain, and even life-threatening conditions.

5. Arrhythmias

Long-standing pulmonary hypertension may disrupt the heart's electrical activity, leading to various arrhythmias such as atrial fibrillation, ventricular fibrillation, and supraventricular tachycardia.

If patients experience any discomfort or symptoms, prompt medical attention is recommended. Mild cases may be treated under medical guidance with medications such as digoxin tablets or dobutamine tablets. Severe cases may require surgical interventions such as balloon atrial septostomy, double lung transplantation, or heart-lung transplantation.

View All

What causes pulmonary hypertension, and can it be treated?

Pulmonary hypertension generally refers to pulmonary arterial hypertension. Pulmonary arterial hypertension can be caused by genetic factors, environmental factors, chronic obstructive pulmonary disease, and other reasons. Congenital left heart diseases often lead to secondary pulmonary arterial hypertension, such as left ventricular hypertrophy and valvular heart disease. Patients may use medications such as isosorbide sustained-release tablets, compound amiloride hydrochloride tablets, and losartan potassium capsules for control and treatment.

View Full Answer

How long can a person live with severe pulmonary hypertension?

Pulmonary hypertension refers to high blood pressure in the pulmonary arteries. Severe pulmonary arterial hypertension is a relatively complex and serious cardiovascular disease. If patients have good physical condition, actively cooperate with medical treatment, and receive proper daily care, they can usually live for about 5 years. However, if patients are in poor physical condition, face greater treatment challenges, and have unfavorable prognoses, the condition may easily become life-threatening, resulting in a shorter survival period—typically around 3 years.

View Full Answer

Why does pulmonary hypertension lead to right heart failure?

In general, pulmonary hypertension leads to a sustained increase in pressure, resulting in severe pulmonary hypertension and subsequent heart failure. When pulmonary arterial pressure rises further, the pressure in the right ventricle also increases, causing right ventricular enlargement and ultimately leading to right heart failure. Factors that may cause pulmonary hypertension include chronic hypoxia and vascular disease.