Stroke Research and Treatment / 2013 / Article / Tab 2 / Clinical Study
Circle of Willis Variants: Fetal PCA Table 2 TOAST classification and vessel involvement in patients without fetal PCA (no fPCA), partial fetal PCA with ipsilateral stroke (ipsilateral pfPCA), and complete fetal PCA with ipsilateral stroke (ipsilateral cfPCA).
No fPCA Ipsilateral pfPCA Ipsilateral cfPCA
value
TOAST, no. (%) 0.621 Cardioembolic, no. (%) 73 (20.5%) 10 (21.7%) 2 (10.0%) Large vessel, no. (%) 102 (28.7%) 14 (30.4%) 10 (50%) Small vessel, no. (%) 87 (24.4%) 10 (21.7%) 3 (15.0%) Crypto (>1 etiology), no. (%) 7 (2.0%) 1 (2.2%) 1 (5.0%) Crypto (unknown), no. (%) 53 (14.9%) 6 (13.0%) 4 (20.0%) Other, no. (%) 34 (9.6%) 5 (10.9%) 0 (0%) MCA involved in the stroke 262/351 (74.6%) 38/46 (82.6%) 15/20 (75.0%) 0.497 PCA involved in the stroke 36/351 (10.3%) 3/46 (6.5%) 4/20 (20.0%) 0.253 Posterior circulation involvement 45/351 (12.8%) 7/46 (15.2%) 5/20 (25.0%) 0.289