Article Figures & Data
Tables
GDCs Matrix Coils Total Patients (%) 187 (60.9) 120 (39.1) 307 Age, mean (range) 52.4 ± 13.9 (21–80) 52 ± 12 (20–79) 52.8 (20–80) Sex, M/F 96/91 61/59 157/150 With ruptured aneurysm (%) 160 (85.6) 100 (83.3) 260 (84.7) Hunt and Hess grades I–III 121 (75.6) 56 (56) 177 (68.1) Hunt and Hess grades IV–V 39 (24.4) 44 (44) 83 (31.9) ICH 34 (21.25) 20 (20) 54 (20.8) ICH removal 11 (6.9) 13 (13) 24 (9.2) Post-SAH hydrocephalus 38 (23.8) 23 (23) 61 (23.5) With unruptured aneurysm (%) 27 (14.4) 20 (16.7) 47 (15.3) With multiple aneurysms (%) 28 (15) 22 (18.3) 50 (16.3) ×2 18 (9.6) 13 (10.8) 31 (10.1) ×3 8 (4.3) 3 (2.5) 11 (3.6) ×4 0 4 (3.3) 4 (1.3) ×5 1 (0.5) 2 (1.7) 3 (1) ×6 1 (0.5) 0 1 (0.3) Note:—GDC indicates Gugliemi detachable coil; ICH, intracerebral hematoma; SAH, subarachoid hemorrhage.
GDCs Matrix Coils Total Aneurysms harbored 230 159 389 Embolized aneurysms (%) 219 (95.2) 145 (91.2) 364 (93.6) Nonembolized aneurysms (%) 11 (4.8) 14 (8.8) 25 (6.4) Wide neck 6 (54.6) 4 (28.6) 10 (40) Branch from sac 4 (36.4) 3 (21.4) 7 (28) Severe condition 1 (9.1) 7 (50) 8 (32) Ruptured 160 (73.1) 100 (69) 260 (71.4) Unruptured 59 (26.9) 45 (31) 104 (28.6) Anterior circulation (%) 198 (90.4) 134 (92.4) 332 (91.2) ICA 71 (32.4) 54 (37.2) 125 (34.3) AcomA 65 (29.7) 49 (33.8) 114 (31.3) MCA 47 (21.5) 23 (15.9) 70 (19.2) ACA 15 (6.9) 8 (5.5) 23 (6.3) Posterior circulation (%) 21 (9.6) 11 (7.6) 32 (8.8) BA 14 (6.4) 6 (4.1) 20 (5.5) VA 5 (2.3) 4 (2.8) 9 (2.5) PCA 1 (0.5) 0 1 (0.3) PICA 1 (0.5) 1 (0.7) 1 (0.3) Aneurysm size, mean ± SD 5.8 ± 1.3 5.3 ± 1.1 5.7 ± 1.0 (range) (mm) (2–26) (2–25) (2–26) Neck size, mean ± SD 2.3 ± 0.4 2.7 ± 0.5 2.6 ± 0.4 (range) (mm) (1–5) (1–6) (1–6) Note:—GDC indicates Gugliemi detachable coil; ICA, internal carotid artery; AcomA, anterior communicating artery; MCA, middle cerebral artery; ACA, anterior cerebral artery; BA, basilar artery; VA, vertebral artery; PCA, posterior cerebral artery; PICA, posterior inferior cerebral artery.
GDCs Matrix Coils Total Aneurysms coiled 219 145 364 Total occlusion, 95–100% (%) 196 (89.5) 128 (88.3) 324 (89) Near-total occlusion 90–94% (%) 14 (6.4) 15 (10.3) 29 (8) Incomplete occlusion < 90%(%) 9 (4.1) 2 (1.4) 11 (3) Vasospasm detected (%) 67/160 61/100 128/260 (41.9) (61) 49.2) Improvement with papervine (%) 42/67 41/61 83/128 (62.7) (67.2) (64.8) Angioplasty (%) 13/160 4/100 17/260 (8.1) (4) (6.5) Angioplasty successful (%) 12/13 4/4 16/17 (92.3) (100) (94.1) Note:—GDC indicates Gugliemi detachable coil.
- Table 4:
Procedural complications, clinical significance, and procedure-related mortality and morbidity
GDCs Matrix Coils Total Complications 38/194 (19.6)* 19/123 (15.6) 57/317 (18) Mortality 7/187 (3.7) 3/120 (2.5) 10/307 (3.3) Morbidity 5/187 (2.7) 2/120 (1.7) 7/307 (2.3) Aneurysm rupture 13/194 (6.7) 6/123 (4.9) 19/317 (6) Mortality 3/187 (1.6) 1/120 (0.8) 4/307 (1.3) Morbidity 1/187 (0.5) 1/120 (0.8) 2/307 (0.7) Thromboembolic 11/194 (5.7) 7/123 (5.7) 18/317 (5.7) Mortality 2/187 (1.1) 1/120 (0.8) 3/307 (1) Morbidity 2/187 (1.1) 1/120 (0.8) 3/307 (1) Parent artery occlusion 3/194 (1.6) 1/123 (0.8) 4/317 (1.3) Mortality 1/187 (0.5) 0 1/307 (0.3) Morbidity 1/187 (0.5) 0 1/307 (0.3) Loop prolapse 4/194 (2.1) 3/123 (2.4) 7/317 (2.2) Mortality 0 1/120 (0.8) 1/307 (0.3) Morbidity 1/187 (0.5) 0 1/307 (0.3) Coil breakage 4/194 (2.1) 0 4/317 (1.3) Mortality 0 0 0 Morbidity 0 0 0 Hemorhage following angioplasty 1/194 (0.5) 0 1/317 (0.3) Mortality 1/187 (0.5) 0 1/307 (0.3) Morbidity 0 0 0 ICA dissection 2/194 (1) 2/123 (1.6) 4/317 (1.3) Mortality 0 0 0 Morbidity 0 0 0 Note:—GDC indicates Gugliemi detachable coil; ICA, internal carotid artery.
* Values in parentheses are percentages.
GDC Matrix Coils Total Total patients 187 120 307 mRS 0–2 133 (71.1)* 77 (64.2) 210 (68.4) mRS-3–5 20 (10.7) 18 (15) 38 (12.4) Death 34 (18.2) 25 (20.8) 59 (19.2) Unruptured aneurysm patients 27 20 47 mRS 0–2 25 (92.6) 19 (95) 44 (93.6) mRS-3–5 2 (7.4) 1 (5) 3 (6.4) Death 0 0 0 Ruptured aneurysm patients 160 100 260 mRS 0–2 108 (67.5) 58 (58) 166 (63.9) mRS-3 dN5 18 (11.3) 17 (17) 35 (13.5) Death 34 (21.3) 25 (25) 59 (22.7) Hunt and Hess grades I–III 121 56 177 mRS 0–2 100 (82.6) 48 (85.7) 148 (81.9) mRS 3–5 13 (10.7) 4 (7.1) 17 (9.6) Death 8 (6.6) 4 (7.1) 12 (6.8) Hunt and Hess grades IV–V 39 44 83 mRS 0–2 8 (20.5) 10 (22.7) 18 (21.7) mRS 3–5 5 (12.8) 13 (29.6) 18 (21.7) Death 26 (66.7) 21 (47.7) 47 (66.6) Note:—GDC indicated Gugliemi detachable coil; mRS, modified Rankin Scale.