24-h NIHSS score is the strongest prognostic predictor of 90-day outcome in cardioembolic stroke patients with anterior circulation occlusion after endovascular thrombectomy - Summary - MDSpire

24-h NIHSS score is the strongest prognostic predictor of 90-day outcome in cardioembolic stroke patients with anterior circulation occlusion after endovascular thrombectomy

  • By

  • Chen Yang

  • Yangxi Chen

  • Qingyan Liu

  • Ge Gong

  • Lei Guo

  • Yu Liu

  • Xinghu Zhang

  • May 13, 2026

  • 0 min

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Objective:

To evaluate and compare the predictive performance of NIHSS assessed at baseline, at 24 h, and derived change metrics (ΔNIHSS and percent ΔNIHSS) for 90-day unfavorable functional outcomes in cardioembolic stroke patients post-endovascular thrombectomy.

Key Findings:
  • 24-h NIHSS was confirmed as an independent predictor of 90-day outcomes.
  • ROC analysis showed 24-h NIHSS had the highest predictive power (AUC = 0.850).
  • The optimal cut-off value for 24-h NIHSS was ≥12, with 82.2% sensitivity and 75.6% specificity.
  • Combining 24-h NIHSS with other metrics did not improve predictive performance.
Interpretation:

The 24-h NIHSS score is the most effective prognostic indicator for unfavorable functional outcomes in cardioembolic stroke patients after EVT, surpassing baseline NIHSS and change metrics.

Limitations:
  • Retrospective design may introduce selection bias.
  • Single-center study limits generalizability of findings.
  • Potential confounding factors may not have been accounted for.
Conclusion:

The 24-h NIHSS score serves as an early and effective tool for prognostic stratification in cardioembolic stroke patients post-EVT.

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