Article Figures & Data
Tables
- Table 1:
Aneurysm volume and relevant packing results of 32 aneurysms treated with GDC 18 coils compared with 32 volume-matched controls treated with GDC 10 coils
GDC 18 GDC 10 P value (t test) Number of aneurysms 32 32 Aneurysm volume .96 Mean 329 mm3 333 mm3 Median 297.5 mm3 309 mm3 Range 34–1333 mm3 35–1377 mm3 SD 230 mm3 237 mm3 Largest aneurysm diameter Mean 10.2 mm 9.9 mm Median 10 mm 9.5 mm Range 4–20 mm 4–20 mm Packing Mean 24.2% 18.3% <.0001 Median 24.5% 19.0% Range 11%–32% 9–33% SD 4.97% 4.76% Σ Aneurysm volumes 10 542 mm3 10 643 mm3 Σ Inserted coil length 2436 cm 3419 cm Coil length per mm3 aneurysm volume 0.23 cm 0.32 cm Mean coil length per aneurysm per mm3 0.233 cm 0.345 cm <.0001 Total number of coils 145 223 Mean number of coils per aneurysm 4.5 7.0 .005 - Table 2:
Clinical and follow-up characteristics of 32 aneurysms treated with GDC 18 coils compared with 32 volume-matched controls treated with GDC 10 coils
GDC 18 GDC 10 P value (t test) Number of aneurysms 32 32 Woman/man 27/5 20/12 Median age 59.5 years 54.5 years Anterior circulation 29 21 Posterior circulation 3 11 Ruptured/unruptured 22/10 27/5 Procedural morbidity 1 (3.1%) 1 (3.1%) 1.0 Procedural rupture 1 (3.1%) 0 1.0 Angiographic follow-up 26 (81%) 28 (88%) Mean angiographic follow-up 12.7 months 15.0 months Additional treatments 2 of 26 (8%) 4 of 28 (14%) .74 - Table 3:
Aneurysm volume and relevant packing results of 35 aneurysms treated with helical GDC 18 coils compared with 35 volume-matched controls treated with complex Trufill/Orbit coils
GDC 18 Trufill/Orbit P value (t test) Number of aneurysms 35 35 Aneurysm volume .98 Mean 297 mm3 295 mm3 Median 400 mm3 406.5 mm3 Range 26–1450 mm3 27–1504 mm3 SD 327 mm3 383 mm3 Largest aneurysm diameter Mean 10.3 mm 9.6 mm Median 10 mm 10 mm Range 4–22 mm 4–17 mm Packing .15 Mean 23.1% 25.1% Median 24% 25% Range 8%–33% 11%–36% SD 5.98% 5.67% Σ Aneurysm volumes 14 002 mm3 14 229 mm3 Σ Inserted coil length 2794 cm 4446 cm Coil length per mm3 aneurysm volume 0.20 cm 0.31 cm Mean coil length per aneurysm per mm3 0.224 cm 0.339 cm <.0001 Total number of coils 157 238 Mean number of coils per aneurysm 4.5 6.8 .0024 - Table 4:
Clinical and follow-up characteristics of 35 aneurysms treated with GDC 18 coils compared with 35 volume-matched controls treated with Trufill/Orbit coils
GDC 18 Trufill/Orbit P value (t test) Number of aneurysms 35 35 Woman/man 27/8 19/16 Median age 58 years 56 years Anterior circulation 32 24 Posterior circulation 3 11 Ruptured/unruptured 25/10 27/8 Procedural morbidity 1 0 1.0 Procedural rupture 2 0 .5 Angiographic follow-up 27 (77%) 29 (83%) Mean angiographic follow-up 6.4 months 7.0 months Additional treatments 5 of 27 (19%) 4 of 29 (14%) .9
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