The following test can be done by APN to diagnose chronic sustained hypertension in a newborn is renal function studies.
Chronic hypertension in infants can be due to kidney and heart diseases. Causes of hypertension in newborns and infants include renal vascular thrombosis, renal artery stenosis, coarctation of the aorta, renal dysplasia, bronchopulmonary dysplasia, acute kidney injury, and intracranial blood flow.
In newborns, high blood pressure is often caused by the formation of a thrombus in the blood vessels of the kidneys. Kidney diseases involve renal tissues and artery stenosis (narrowing of the kidney's main blood vessel) that increase the blood pressure and cause hypertension in infants.
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