Does pulmonary hypertension require hospitalization?

Written by Wang Chun Mei

Pulmonology

Updated on May 08, 2025

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Pulmonary hypertension is a very complex group of diseases. Due to different factors causing pulmonary hypertension, there are also different treatment plans for managing it. Many cases of pulmonary hypertension are quite severe at onset. To significantly enhance the patient's quality of life and ensure the stability of the condition, hospitalization is usually required for treatment. The medications used during the discharge period may vary, and some patients might need surgical intervention to alleviate some of the clinical symptoms caused by the disease. Therefore, for patients with pulmonary hypertension, if the onset is mild, symptomatic treatment through medications can be pursued. However, if the onset is sudden and severe, hospital treatment becomes necessary.

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Written by Li Hai Wen

Cardiology

48sec

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Mild pulmonary hypertension

Pulmonary hypertension is a relatively common disease in daily life. Many patients, when they go to the hospital for examination, often see reports from cardiac ultrasound indicating mild pulmonary hypertension, moderate pulmonary hypertension, or non-severe pulmonary hypertension. So, what are the criteria for mild pulmonary hypertension? Generally, pulmonary artery pressure is measured using right heart catheterization or cardiac ultrasound. If the pressure is between 30 to 50 mmHg, this is often considered mild pulmonary hypertension. Generally, the prognosis for mild pulmonary hypertension is quite good, typically not producing noticeable symptoms or affecting health.

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Written by Wang Chun Mei

Pulmonology

57sec

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How dangerous is pulmonary hypertension?

Pulmonary hypertension is itself a very complex disease, with many causative factors in clinical practice. In the early stages, patients may only exhibit symptoms such as shortness of breath after activity, difficulty breathing, and overall fatigue. However, as the condition gradually worsens, patients may experience chest tightness, rapid breathing, and even chest pain, fainting, or dizziness. If the patient also has right heart dysfunction, they may experience symptoms like swelling of the lower limbs, as well as diarrhea and abdominal distension. Therefore, if pulmonary hypertension patients are definitively diagnosed and do not receive timely appropriate treatment, the accompanying clinical symptoms may rapidly worsen. The patient's life may be at risk due to severe symptoms such as hypoxia or fainting.

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Written by Xie Zhi Hong

Cardiology

1min 56sec

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Pulmonary Arterial Hypertension Mild, Moderate, Severe Classification

Pulmonary artery pressure refers to the average pressure in the pulmonary artery when the body is at rest. Generally, the normal average pulmonary artery pressure is less than 25mmHg. Pulmonary hypertension is considered when the pulmonary artery pressure exceeds 25mmHg. The grading is generally divided into three levels based on the data: the first level is mild pulmonary hypertension with pulmonary artery pressure between 26-35mmHg; moderate with pressure between 36-45mmHg; and severe with pressure greater than 45mmHg. If classified by the functional impact of pulmonary hypertension, grade I pulmonary hypertension is characterized by patients who are not limited in daily activities, and do not experience symptoms such as shortness of breath, difficulty breathing, or chest tightness after physical activity. Grade II pulmonary hypertension patients are limited by mild activities, do not feel discomfort at rest, but experience symptoms like difficulty breathing, fatigue, chest tightness, and chest pain during everyday activities. Grade III pulmonary hypertension patients have significantly limited activity; they feel no discomfort at rest, but experience symptoms like difficulty breathing, fatigue, and chest pain after only mild activity, less than everyday activities. Grade IV pulmonary hypertension is severe, with patients experiencing symptoms such as difficulty breathing and feeling tightness in their chest even at rest without any activity.

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Written by Yuan Qing

Pulmonology

1min 1sec

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Does pulmonary hypertension require oxygen therapy?

Whether pulmonary arterial hypertension requires oxygen therapy primarily depends on the patient's blood oxygen saturation level at rest. Generally, it is recommended to measure the oxygen saturation for patients with pulmonary arterial hypertension. Due to intrapulmonary shunting and shunting between the left and right heart during pulmonary arterial hypertension, arterial and venous blood mix directly, resulting in very low blood oxygen saturation in patients. Generally speaking, if the measured blood oxygen saturation at rest is below 90%, such patients often need oxygen therapy. Even if it does not drop below 90%, patients with moderate to severe pulmonary arterial hypertension also require oxygen therapy. Oxygen therapy can improve hypoxia, significantly dilating the pulmonary vessels and thus alleviating symptoms of high pulmonary artery pressure. It is very valuable for improving patient prognosis and survival time.

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Written by Li Hai Wen

Cardiology

44sec

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Obvious symptoms of pulmonary hypertension

Pulmonary hypertension is a relatively common disease in everyday life. Based on the causes of pulmonary hypertension, it can be divided into two categories: primary and secondary pulmonary hypertension. Regardless of the type of pulmonary hypertension, patients often exhibit certain symptoms, such as chest tightness and shortness of breath, which are the most common symptoms. In severe cases, some patients may even experience syncope. When pulmonary hypertension affects the heart, causing right ventricular enlargement, patients often show signs of right heart failure, such as shortness of breath, difficulty breathing, lower limb edema, and gastrointestinal symptoms, such as nausea and abdominal distension.