| ACE | Angiotensin-converting enzyme |
| CAM | Complementary and alternative medicine |
| DBP | Diastolic blood pressure |
| FMD | Flow-mediated dilatation |
| MD | Mean difference |
| NO | Nitric oxide |
| NYHA | New York Heart Association |
| RCT | Randomized controlled trial |
| SBP | Systolic blood pressure |