Research Article
Relationship between Plasma Aldosterone Levels and Left Ventricular Mass in Hypertensive Africans
Table 2
Biochemical, hormonal, and echocardiographic characteristics of the subjects.
| | Variable | Hypertensives | Normal controls | value
| | () | () |
| | Plasma sodium (mmol·L−1) | 136.44 (7.874) | 139.58 (6.591) | 0.0328 | | Plasma potassium (mmol·L−1) | 4.02 (0.801) | 4.11 (0.775) | 0.5814 | | Urinary sodium (mmol·L−1) | 68.35 (41.173) | 63.33 (40.538) | 0.4968 | | Urinary potassium (mmol·L−1) | 16.06 (10.544) | 13.99 (10.782) | 0.2036 | | Urinary sodium excretion (mmol·24 hr−1) | 103.93 (63.571) | 90.77 (50.873) | 0.4522 | | Urinary potassium excretion (mmol·24 hr−1) | 24.04 (16.527) | 20.44 (14.761) | 0.1863 | | Plasma renin (ng·mL−1) | 21.03 (6.974) | 24.66 (7.592) | 0.0013 | | Plasma aldosterone (nmol·L−1) | 245.82 (59.498) | 262.46 (58.136) | 0.1162 | | ARR | 12.66 (5.112) | 11.03 (2.657) | 0.1198 | | Left atrial diameter (cm) | 3.94 (0.511) | 3.69 (0.491) | 0.0070 | | Aortic valve opening (cm) | 1.89 (0.257) | 1.86 (0.243) | 0.4785 | | LV posterior wall thickness (cm) | 1.19 (0.193) | 1.05 (0.111) | 0.0000 | | IV septal thickness (cm) | 1.11 (0.224) | 0.97 (0.125) | 0.0000 | | LV mean wall thickness (cm) | 1.15 (0.186) | 0.99 (0.085) | 0.0000 | | LV mass index (g·m−2.7) | 52.56 (14.483) | 42.02 (8.315) | 0.0000 | | Relative wall thickness | 0.5 (0.091) | 0.46 (0.071) | 0.0264 | | LV geometry | | | | | Normal geometry (%) | 15.9 | 42.0 | | | Concentric remodelling (%) | 43.9 | 50.0 | 0.0000 | | Eccentric hypertrophy (%) | 12.2 | 8.0 | | | Concentric hypertrophy (%) | 28.0 | 0 | |
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ARR: aldosterone-to-renin ratio; LV: left ventricular; IV: interventricular.
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