Hypertension caused by kidney disease, known as renal hypertension. Renal hypertension, mainly due to renal parenchymal lesions and renal artery disease caused by elevated blood pressure, kidney disease late, can occur high blood pressure. Renal hypertension accounts for more than 10% of the cause of all hypertensive disorders and is the first in secondary hypertension. Renal hypertension can be pided into two major clinical types:
Renal parenchymal hypertension: such patients have higher age of hypertension, nephritis or history of pyelonephritis, such as hematuria, edema, proteinuria, fever, low back pain, urinary frequency, urgency and dysuria and other symptoms. Urine laboratory abnormalities, before or at the same time the occurrence of hypertension, with or without renal damage.
Renal Vascular Hypertension: This type of patient occurs before the age of 30 or 50 years of age, the clinical rapid deterioration of hypertension, lumbar trauma or abdominal pain history. Clinical manifestations of diastolic blood pressure was significantly increased, antihypertensive treatment is poor. Examination can be heard in the upper abdomen and vascular murmur. X-ray examination shows the size of the kidney, the development of different density, abdominal aorta or selective renal artery angiography can be seen renal vascular stenosis.