Table 3

Characteristics of the Patients in Whom Immediate Occlusion Intolerance Developed Versus Those in Whom Occlusion Intolerance Developed Later During the Procedure

Immediate
(n = 6)
Late
(n = 178)
p Value
Age, yrs79.5 ± 8.671.2 ± 7.60.010
Age ≥80 yrs3 (50.0)23 (12.9)0.010
Males4 (66.7)120 (67.4)0.969
High surgical risk3 (50.0)89 (50.0)1.000
Risk factors
 Smoking5 (83.3)121 (68.0)0.426
 Hypertension5 (83.3)170 (95.5)0.174
 Hypercholesterolemia3 (50.0)151 (84.8)0.023
 Diabetes mellitus3 (50.0)66 (37.1)0.520
Comorbidity
 CAD5 (83.3)106 (59.6)0.242
 Symptomatic CVD2 (33.3)32 (18.0)0.340
 COPD1 (16.7)18 (10.1)0.604
Medications
 Antiplatelet agents6 (100)178 (100)1.000
 Beta-blockers2 (33.3)89 (50.0)0.422
 RAS inhibitors3 (50.0)139 (78.1)0.107
 Statins1 (16.7)128 (71.9)0.004
Anatomic features
 ICA stenosis ≥90%1 (16.7)42 (23.6)0.693
 Ipsilateral ECA stenosis >75%04 (2.2)0.710
 Contralateral ICA stenosis 75%–100%3 (50.0)36 (20.2)0.079
 Contralateral ICA stenosis 75%–99%2 (33.3)18 (10.1)0.072
 Contralateral occlusion1 (16.7)18 (10.1)0.604
Procedure features
 Occlusion pressure, mm Hg22.0 ± 4.943.0 ± 12.4<0.001
 Occlusion time, s155.8 ± 116.7293.2 ± 104.80.002
 Arterial pressure delta, mm Hg10.0 ± 10.931.9 ± 28.80.066

Values are mean ± SD or n (%).

Abbreviations as in Table 1.