Overview
The purpose of this study is to evaluate the effectiveness and mechanism of action of Losartan in the treatment of coarctation of aorta.
Eligibility
Inclusion Criteria:
- B/S1 hypertension
- SBP 100-139 average based on 3 office measurements.
- Age 18 or Older
- Previous COA Repair
Exclusion Criteria:
- Currently on beta blocker (BB) therapy
- Pregnancy/lactating
- eGFR\<30
- Hyperkalemia (serum potassium \>5.5mmol/L)
- Severe Aortic or Mitral valve stenosis or regurgitation
- Epicardial CAD diagnosis
- Received antihypertensive medications within the past year


