Procedural information
| Cohort 1 Aspiration success (n=44) | Cohort 2 Aspiration failure (n=32) | ||||
|---|---|---|---|---|---|
| Characteristics | No | % | No | % | p Value |
| Intervention type | N/A | ||||
| ADAPT: aspiration only | 44 | 100.0 | 1 | 3.1 | |
| ADAPT: aspiration→SR | 0 | 0.0 | 22 | 68.8 | |
| Intent to ADAPT→SR | 0 | 0.0 | 9 | 28.1 | |
| Operator experience (years), mean | 4.30 | 3.72 | 0.701 | ||
| Process times | |||||
| Symptom to puncture (min), mean | 307.8 | 278.0 | 0.280 | ||
| Arrival to puncture (min), mean | 122.1 | 124.2 | 0.241 | ||
| Puncture to 1st pass (min), mean | 27.4 | 40.0 | 0.005 | ||
| Number of passes, mean | 1.34 | 3.25 | <0.001 | ||
| Materials | |||||
| Guide catheter | 0.695 | ||||
| Shuttle (Cook) | 18 | 40.9 | 13 | 40.6 | |
| Neuron MAX (Penumbra) | 23 | 52.3 | 16 | 50.0 | |
| FlowGate (Stryker) | 3 | 6.8 | 3 | 9.4 | |
| Aspiration catheter | 0.393 | ||||
| 5 MAX ACE (Penumbra) | 33 | 75.0 | 21 | 65.6 | |
| ACE 64 (Penumbra) | 11 | 25.0 | 10 | 31.3 | |
| Catalyst (Stryker) | 0 | 0.0 | 1 | 3.1 | |
| Stent retriever | N/A | ||||
| Trevo (Stryker) | 0 | 0.0 | 26 | 81.3 | |
| Solitaire (Medtronic) | 0 | 0.0 | 3 | 9.4 | |
| Trevo (Stryker)/Solitaire (Medtronic) | 0 | 0.0 | 2 | 6.3 | |
| N/A | 44 | 100.0 | 1 | 3.1 | |
| TICI score | N/A | ||||
| 3 | 27 | 61.4 | 10 | 31.3 | |
| 2b | 17 | 38.6 | 16 | 50.0 | |
| 2a | 0 | 0.0 | 4 | 12.5 | |
| 1 | 0 | 0.0 | 1 | 3.1 | |
| 0 | 0 | 0.0 | 1 | 3.1 | |
ADAPT, direct aspiration first pass; SR, stent retriever; TICI, Thrombolysis in Cerebral Infarction.