Characteristics | Total | Categorisations | |
---|---|---|---|
Normal SBP | |||
Present | Absent | ||
Number of patients | 130 | 32 | 98 |
Age, mean±SD, y | 64±8 | 63±10 | 64±7 |
Sex, male/female, number | 103/27 | 26/6 | 77/21 |
Diagnosis, number | |||
TIA (amaurosis/hemispheric) | 21 (2/19) | 6 (0/6) | 15 (2/13) |
Minor stroke | 109 | 26 | 83 |
Recurrent symptoms, number | 52 | 16 | 36 |
After demonstration of arterial disease | 25 | 8 | 17 |
Number of months between last symptom and PET, mean±SD | 8±15 | 9±16 | 8±15 |
Recent (6 m or less) | 100 | 25 | 75 |
Symptomatic qualifying artery, number | |||
Occlusion/stenosis | 86/44 | 21/11 | 65/33 |
Extracranial ICA occlusion | 61 | 15 | 46 |
Intracranial ICA (occlusion/stenosis) | 14 (1/13) | 3 (1/2) | 11 (0/11) |
MCA (occlusion/stenosis) | 55 (24/31) | 14 (5/9) | 41 (19/22) |
Other medical illness, number | |||
Hypertension | 78 | 20 | 58 |
Ca2+-antagonist | 43 | 9 | 34 |
ACE inhibitor | 17 | 5 | 12 |
ARB | 18 | 6 | 12 |
Diabetes mellitus | 47 | 9 | 38 |
Ischaemic heart disease | 27 | 10 | 17 |
Hypercholesterolaemia | 40 | 9 | 31 |
Smoking habit (current and former), number | 46 | 14 | 32 |
Decreased CBF/CBV | 39 | 13 | 26 |
Blood pressure during follow-up (mm Hg) (systolic/diastolic) | 142±19/72±10 | 119±7/66±9 | 149±16/74±9 |
ACE, angiotensin-converting enzyme; ARB, angiotensin receptor blocker; CBF, cerebral blood flow; CBV, cerebral blood volume; ICA, internal carotid artery; MCA, middle cerebral artery; PET, positron emission tomography; SBP, systolic blood pressure; TIA, transient ischaemic attack.