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What are the risks of long-term diastolic blood pressure above 90 mmHg?

Nov 12, 2024 Source: Cainiu Health
Dr. Tian Hongbo
Introduction
Low pressure refers to diastolic blood pressure. A diastolic blood pressure higher than 90 mmHg indicates hypertension. Generally, long-term diastolic blood pressure above 90 mmHg may lead to various complications, including increased cardiac workload, vascular damage, kidney injury, retinopathy, and cerebrovascular complications. Patients are advised to seek timely medical attention at a hospital and follow medical guidance for treatment.

Low pressure refers to diastolic pressure. A diastolic pressure higher than 90 mmHg indicates hypertension. In general, sustained diastolic pressure above 90 mmHg may lead to various health risks, including increased cardiac load, vascular damage, kidney injury, retinal disease, and cerebrovascular complications. Patients are advised to seek timely medical care at a hospital and follow medical instructions for treatment. Specific analyses are as follows:

1. Increased cardiac load: When diastolic pressure remains persistently above 90 mmHg, the heart may need to pump against higher resistance, causing gradual thickening of the heart muscle and cardiac enlargement. This increases the risk of heart failure, with symptoms such as palpitations and chest tightness.

2. Vascular damage: Under hypertensive conditions, arteries may develop atherosclerotic plaques, impairing normal vascular function.

3. Kidney damage: The kidneys play a key role in blood pressure regulation. Prolonged diastolic pressure exceeding 90 mmHg can lead to hardening of the small renal arteries, compromising blood supply to the kidneys and ultimately causing renal dysfunction.

4. Retinal disease: Chronically elevated diastolic pressure above 90 mmHg may damage the microvessels in the retina, leading to spasm or hardening of the retinal arterioles. This can result in vision loss, and in severe cases, retinal exudates or hemorrhages may occur.

5. Cerebral complications: Hypertension increases pressure within cerebral blood vessels. Long-term diastolic pressure above 90 mmHg raises the risk of vessel rupture, potentially causing intracerebral hemorrhage; it may also promote vessel blockage, leading to ischemic stroke.

In daily life, maintaining a balanced diet and moderate intake of vitamins and protein—such as from broccoli and eggs—can help strengthen the immune system and support the normalization of blood pressure.

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