Table 1. Baseline Characteristics of the study population (n = 22).
| Age in years, mean (SD) | 60.55 (6.36) |
| Males, n (%) | 6 (27.3) |
| Duration of TGA in hours, mean (SD) | 5.81 (3.92) |
| Hypertension, n (%) | 8 (36.4) |
| Diabetes, n (%) | 3 (13.7) |
| Hyperlipidemia, n (%) | 11 (50) |
| Precipitating factor, n (%) | |
| Physical stress | 9 (40.9) |
| Emotional stress | 8 (36.4) |
| Water contact | 2 (9.1) |
| Valsalva | 2 (9.1) |
| Associated symptom, n (%) | |
| Headache | 5 (22.7) |
| Nausea | 3 (13.6) |
| Days from symptom onset to SPECT study | |
| Initial SPECT, mean (SD) | 1.49 (1.37) |
| Follow up SPECT, mean (SD) | 166.48 (89.08) |
| Relative laterality of initial SPECT abnormality, n (%) | |
| Left | 9 (40.9) |
| Right | 9 (40.9) |
| Bilateral | 4 (18.2) |
| Location of initial SPECT abnormality, n (%) | |
| Medial temporal | 21 (95.5) |
| Neocortex | 4 (18.2) |
| Sub-cortex | 1 (4.5) |
| Laterality of DWI lesion, n (%) | |
| Left | 3 (13.6) |
| Right | 4 (18.2) |
| Bilateral | 9 (40.9) |
| negative | 7 (31.8) |
Abbreviations: SPECT, Single-photon emission computed tomography; DWI, diffusion-weighted imaging; SD, standard deviation.