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Table 1 Most common causes of secondary hypertension by age

From: Clinical assessment of hypertension in children

Age group Etiology
Newborn – First year Renal artery or venous thrombosis
  Renal artery stenosis
  Congenital renal abnormalities
  Coarctation of the aorta
  Bronchoplumonary dysplasia
  Renovasular disease
  Renal parenchymal disease
  Iatrogenic
  Tumor
First to 6 years Renal parenchymal disease
  Renovascular disease
  Coarctation of the aorta
  Tumor
  Endocrine causes
  Iatrogenic
  Essential hypertension
Age 6 to 10 years Renal parenchymal disease
  Essential hypertension
  Renovascular disease
  Coartctation of the aorta
  Endocrine causes
  Tumor
Age 10 to 18 years Essential hypertension
  Iatrogenic
  Renal parenchymal disease
  Endocrine causes
  Coartctation of the aorta