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It is hot in summer, so the vessels will be dilation. Peripheral vascular resistance decreases, then the blood volume decreases through sweating, leading to reduction in blood pressure. As a result, the renal perfusion reduces, renal becomes ischemia, hypoxia which exacerbates the damage to kidney.
Therefore, if without timely blood pressure regulation, the renal perfusion will reduce more.
Generally, the blood pressure is the highest in the morning, then gradually decrease, which reaches the slowest in the evening. But the hot weather would cause dysfunction of autonomic nerve: blood pressure rises during night,especially for nephropathy patients. About 74%-82% of kidney patients’ blood pressure would not decrease at night.
So the high temperature season, kidney patients have High blood pressure fluctuations, prone to cardiovascular and cerebrovascular accidents, aggravating kidney damage, which needs to adjust the medication time.
Don't pursue a severe blood pressure decrease.
When the proteinuria+ is less than 1.0g/d, the blood pressure should decrease to 130/80mmHg.
When it is higher than 1.0g/d, the blood pressure should decrease to 125/75mmHg.
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