Clinical effect and prognostic factors of mechanical thrombectomy in the treatment of acute ischemic stroke
Bibliographic record
Abstract
Objectives: To explore the clinical effect and prognostic factors of mechanical thrombectomy in the treatment of acute ischemic stroke. Methods: The records of patients with acute ischemic stroke treated in our hospital from April 2020 to April 2021 were retrospectively selected. A total of 65 patients were treated with mechanical thrombectomy. After treatment, they were scored with modified Rankin Scale (MRS). The treatment effect and prognostic factors were analyzed. Results: The occluded vessels were successfully opened in 65 patients. The recanalization rate was 96.92%. There were no serious complications of thrombectomy. The time from femoral artery puncture to vascular recanalization was (84.06±16.64) minutes and the number of thrombectomies was (2.52±0.71). There were 42 patients with good prognosis and 23 patients with poor prognosis. Analysis of the prognostic factors showed that the time from onset to admission in the good prognosis group was shorter, the NIHSS score before thrombectomy was higher, and the Alberta stroke program early CT Score (ASPECT) score was lower as compared to the patients in the poor prognosis group. The grade of vascular recanalization in the good prognosis group was better than that in the poor prognosis group, and the level of PCT was lower (P<0.05). Logistic regression analysis showed that the time from onset to admission, NIHSS and ASPECT scores before thrombectomy were the prognostic factors of mechanical thrombectomy in the treatment of acute ischemic stroke. Conclusion: Mechanical thrombectomy is effective in the treatment of acute ischemic stroke and can effectively promote the recanalization of occluded vessels, but the NIHSS and ASPECT scores from the onset to the time of admission before thrombectomy can directly affect the prognosis of patients. doi: https://doi.org/10.12669/pjms.38.5.5723 How to cite this:Li L, Cheng P, Zhang J, Wang G, Hu T, Sun F. Clinical effect and prognostic factors of mechanical thrombectomy in the treatment of acute ischemic stroke. Pak J Med Sci. 2022;38(5):1107-1112. doi: https://doi.org/10.12669/pjms.38.5.5723 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 teacher head, 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".