Table II.
Clinical Characteristics of Groups According to AVS Findings
| Lateralization (n=56) | Equivocal (n=5) | No Lateralization (n=36) | |
|---|---|---|---|
| Imaging | |||
| Right adrenal mass | 19 | 2 | 5 |
| Left adrenal mass | 27 | 3 | 22 |
| Bilateral adrenal mass | 5 | 0 | 3 |
| No mass | 4 | 0 | 6 |
| Data not available | 1 | 0 | 0 |
| Contralateral suppression in AVS | 53 | 4 | 2 |
| Pathology | |||
| Adenoma | 40 | 4 | |
| Hyperplasia | 9 | 0 | |
| Hyperplasia with dominant adenoma | 2 | 1 | |
| Data not available | 1 | 0 | |
| No surgery | 4 | 0 | |
| Response to surgery | |||
| SBP, mm Hg | |||
| Preoperative | 148.0 (22.2) | 146.8 (29.0) | |
| Postoperative | 133.2 (19.3) | 147.0 (34.0) | |
| DBP, mm Hg | |||
| Preoperative | 87.7 (11.7) | 88.4 (16.7) | |
| Postoperative | 81.3 (10.6) | 86.0 (10.2) | |
| Hypertensive medications, No. | |||
| Preoperative | 3.4 (1.7) | 4.8 (0.5) | |
| Postoperative | 1.2 (1.1) | 1.4 (1.1) | |
| Serum potassium, mmol/L | |||
| Preoperative | 3.6 (0.6) | 3.7 (0.6) | |
| Postoperative | 4.0 (0.7) | 4.1 (0.5) | |
| Potassium supplement, mEq/d | |||
| Preoperative | 23.1 (40.2) | 35 (34) | |
| Postoperative | 1.5 (6.7) | 0 | |
Abbreviations: AVS, adrenal venous sampling; DBP, diastolic blood pressure; SBP, systolic blood pressure. Values are expressed as mean (standard deviation).