Table 1.
Summary of clinical data for studies included in this meta-analysis
| Study | Center/design | Procedure type | Total | Age (years) | NIHSS | Prior IV-tPA | OTP (minutes) | PT (minutes) | General anesthesia | Successful recanalization | Distal emboli | No. of passes | Good outcome at 3 months | Mortality | S-ICH |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nguyen et al. [16] (2014) | Post-hoc analysis of NASA registry | BGC | 149 | 68.5 | 17.6 | 77 (51.7) | 348 | 120 | 97 (84.4) | 113 (76.0) | 26 (18.2) | 1.8 | 65 (51.6) | 33 (26.2) | 18 (12.2) |
| Non-BGC | 189 | 66.1 | 18.3 | 73 (38.6) | 375 | 161 | 99 (60.0) | 133 (71.0) | 29 (16.0) | 1.9 | 62 (35.8) | 55 (31.8) | 17 (9.0) | ||
| Nguyen et al. [15] (2015) | Post-hoc analysis of TRACK registry | BGC | 279 | 64.8 | NC | NC | 266 | NC | NC | 236 (84.6) | NC | NC | 162 (58.1)* | NC | NC |
| Non-BGC | 255 | 67.6 | NC | NC | 249 | NC | NC | 191 (74.9) | NC | NC | 102 (40.0)* | NC | NC | ||
| Pereira et al. [18] (2015) | Post-hoc analysis of SWIFT-PRIME | BGC | 48 | NC | NC | NC | NC | 60 | NC | NC | NC | 1.6 | 32 (66.7) | 2 (4.2) | NC |
| Non-BGC | 39 | NC | NC | NC | NC | 65 | NC | NC | NC | 1.9 | 21 (53.8) | 4 (10.3) | NC | ||
| Velasco et al. [20] (2016) | Two institutions/ retrospective | BGC | 102 | 70.5 | NC | 43 (42.2) | NC | 25.6 | 102 (100.0) | 96 (94.1) | NC | 1.6 | NC | NC | NC |
| Non-BGC | 81 | 68.8 | NC | 51 (63.0) | NC | 54.8 | 81 (100.0) | 61 (75.3) | NC | 2.4 | NC | NC | NC | ||
| Zaidat et al. [21] (2016) | Post-hoc analysis of STRATIS registry | BGC | 505 | NC | NC | NC | NC | NC | NC | 450 (89.1) | NC | NC | 313 (62.0) | NC | NC |
| Non-BGC | 375 | NC | NC | NC | NC | NC | NC | 327 (87.2) | NC | NC | 184 (49.1) | NC | NC | ||
| Lee et al. [12] (2017) | Single institution/retrospective | BGC | 73 | 66.8 | 11.2 | 31 (42.5) | 202.5 | 99.8 | 0† | 63 (86.3) | 5 (6.8) | 2.6 | NC | 4 (5.5) | 2 (2.7) |
| Non-BGC | 66 | 64.6 | 13.2 | 33 (50.0) | 233 | 124 | 0† | 48 (72.7) | 21 (31.8) | 2.7 | NC | 7 (10.6) | 12 (18.2) | ||
| Oh et al. [17] (2017) | Single institution/retrospective | BGC | 24 | 65.1 | 15.5 | 12 (50.0) | 199 | 78.8 | 0† | 20 (83.3) | 6 (23.1) | 2.4 | 12 (50.0) | 2 (8.3) | 4 (16.7) |
| Non-BGC | 38 | 63.8 | 15.8 | 15 (39.5) | 238 | 92.7 | 0† | 25 (65.8) | 20 (57.1) | 3.7 | 6 (15.8) | 6 (15.8) | 4 (10.5) |
Values are presented as number (%).
Number of events among 279 and 255 patients who were followed.
All procedures were done under local anesthesia.
NIHSS : National Institute of Health Stroke Scale, IV-tPA : intravenous recombinant tissue-type plasminogen activator, OTP : onset to puncture time, PT : procedure time, S-ICH : symptomatic intracranial hemorrhage, NASA : the North American Solitaire Acute Stroke, BGC : balloon-guide catheter, TRACK, TREVO stent retriever acute stroke, NC : not commented, SWIFT-PRIME : Solitaire™ With the Intention For Thrombectomy as PRIMary Endovascular Treatment, STRATIS : Systematic Evaluation of Patients Treated With Stroke Devices for Acute Ischemic Stroke