P-001 Permanent Implantation of the Solitaire Device as a Bailout Technique for Large Vessel Intracranial Occlusions
Bibliographic record
Abstract
Introduction The Solitaire (Medtronic, Minneapolis, MN) is a stentriever device for endovascular treatment of acute ischemic stroke (AIS). The Solitaire is well described for use in temporary endovascular bypass, and mechanical thrombectomy. Permanent placement of the Solitaire is an option, but there are limited reports to date. The authors of this study review six cases of Solitaire stent implantation in the setting of large vessel occlusion and acute ischemic stroke, where temporary endovascular bypass and mechanical thrombectomy failed. Materials and methods Six cases of failed mechanical thrombectomy are reviewed, including procedural review, timing of anti-platelet agents, and radiographic and clinical outcomes. Results Six patients with severe, acute ischemic stroke (AIS) and large vessel occlusion (LVO) were triaged to mechanical thrombectomy. Despite multiple attempts at mechanical thrombus retrieval with a combination of devices including stentrievers and direct thrombus aspiration, flow could not be restored. As a bailout maneuver, the Solitaire stent was deployed and detached across the thrombus with TICI grade 3 flow restoration. All patients were loaded with full dose intra-arterial abciximab immediately after stent deployment and transitioned to dual antiplatelet therapy within 24 hours. There were no post-procedure hemorrhagic complications. All patients had significant neurological improvement post-procedurally, with favorable modified Rankin scores at follow-up. Conclusion With the recent over-whelming evidence demonstrating the effectiveness endovascular therapy in acute ischemic stroke, the expansion of stroke therapy requires that a variety of techniques be available to the operators. Permanent implantation of the Solitaire stent achieves adequate distal flow and good clinical outcomes in the setting of AIS. This case series suggests this technique provides a safe alternative for difficult cases refractory to other revascularization techniques. Key Words stroke, revascularization, stent Disclosures J. Houde: None. E. Barber: None. M. Kelly: 2; C; Medtronic. 4; C; Blockade. 6; C; Penumbra. L. Peeling: None.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".