Table 2:

Summary of patient characteristics and outcomes

VariableDIDVBDP Value
No.25139–
Mean age (SD) (yr)70.9 (14.2)60.4 (12.5).0002
Age group (yr)
    20–291 (4.0)5 (3.6)<.0001
    30–390 (0.0)6 (4.3)
    40–491 (4.0)6 (4.3)
    50–592 (8.0)44 (31.6)
    60–697 (28.0)43 (30.9)
    70–796 (24.0)30 (21.5)
    ≥808 (32.0)5 (3.6)
Sex
    Male21 (84.0)105 (75.5).51
    Female4 (16.0)34 (24.5)
Indication for imaging
    Stroke13 (52.0)45 (32.7).10
    Mass effect5 (20.0)25 (18.0).81
    Other/incidental7 (28.0)69 (49.6).08
Comorbidities
    Abdominal aortic aneurysm or ectasia10 (62.5)12 (14.3).01
    Other visceral aneurysms4 (25.0)0 (0.0)<.0001
    Fibromuscular dysplasia0 (0.0)0 (0.0)1.0
    Coronary artery disease10 (40.0)40 (29.0).38
    Peripheral artery disease4 (16.0)6 (4.3).07
    Hypertension22 (88.0)97 (70.3).11
    Diabetes mellitus3 (12.0)22 (15.9).85
    Hyperlipidemia13 (52.0)73 (52.9).96
    Smoking17 (68.0)22 (15.9)<.0001
    Alcohol abuse1 (4.0)7 (5.0).82
    Sympathomimetic abuse0 (0.0)0 (0.0)1.0
Family history
    Abdominal aortic aneurysm3 (12.0)9 (6.4).58
    Ischemic stroke7 (28.0)32 (23.0).78
    Intracranial aneurysm1 (4.0)9 (6.4).98
    Other saccular aneurysms present7 (28.0)22 (15.8).24
    Growth on follow-up6 (46.2)30 (21.6).09
    SAH on follow-up5 (20.0)5 (3.5).007
    Infarct on follow-up7 (28.0)18 (13.0).10
Clinical status at last follow-up
    Good neurologic function6 (24.0)80 (57.6).004
    Poor neurologic function6 (24.0)22 (15.8).48
    Death13 (52.0)37 (26.6).02
    Aneurysm-related death6 (24.0)10 (7.2).02

  • Note:—VBD indicates vertebrobasilar dolichoectasia; DID, diffuse intracranial dolichoectasia.