Table 1.
Most common causes of secondary hypertension by age
| 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 |