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TABLE 1: Comparison of aneurysms treated with adjunctive HydroCoil Embolization System (HES) vs. platinum coils alone
Patient Aneurysm volume (ml) % fill total % fill HES # HES coils # platinum coils #coils/aneurysm # coils/ml
HES 1 0.063 66 41 1 3 4 63
HES 2 0.042 76 62 1 1 2 48
HES 3 0.029 87 63 1 2 3 103
HES 4 0.174 87 74 4 2 6 34
HES 5 0.063 91 71 2 1 3 48
HES 6 0.113 45 23 1 5 6 53
HES 7 0.094 55 27 1 3 4 43
HES 8 0.167 56 44 2 3 5 30
HES 9 0.092 72 56 2 3 5 54
HES 10 0.026 88 72 1 1 2 77
HES 11 0.059 85 76 2 1 3 51
Mean 0.084 73 55 1.6 2.3 3.9 55
Platinum 1 0.065 34 6 6 92
Platinum 2 0.042 44 7 7 167
Platinum 3 0.034 27 3 3 88
Platinum 4 0.031 48 5 5 161
Platinum 5 0.092 18 4 4 43
Platinum 6 0.079 42 4 4 51
Platinum 7 0.113 31 6 6 53
Platinum 8 0.236 23 4 4 17
Platinum 9 0.065 22 4 4 62
Platinum 10 0.079 21 5 5 63
Platinum 11 0.038 38 3 3 79
Mean 0.079 32 4.6 4.6 80
P value .85 .0001 .23 .12
Note.—% fill total, percentage of aneurysm volume filled by embolic devices; % fill HES, percentage of aneurysm volume filled by HES coils; # coils/mL, number of coils per milliliter of aneurysm volume.