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Selected patients benefited from extended-window stroke thrombolysis, with more symptomatic bleeding

Neurology (PubMed)Jul 23, 2026

AI-summarized from the linked source. Educational brief, not medical advice.

Brief summary

An updated meta-analysis of 13 randomized studies and individual-patient-data meta-analyses found that IV thrombolysis beyond 4.5 hours improved 90-day functional outcomes in selected acute ischemic stroke patients while increasing symptomatic intracranial hemorrhage.

What NurseJet pulled from the source

The pooled evidence included 2,456 patients receiving thrombolysis plus best medical therapy and 2,411 controls. Excellent functional outcome was more likely with thrombolysis, with a reported number needed to treat of 13, while symptomatic intracranial hemorrhage was also more frequent, with a reported number needed to harm of 75. Any intracranial hemorrhage and 90-day mortality did not differ significantly.

Why this matters for nurses

Emergency and neurology nurses help establish last-known-well time, obtain rapid imaging and laboratory data, prepare eligible patients, and detect hemorrhagic or neurologic deterioration after treatment. The review reinforces both the potential benefit of timely extended-window evaluation and the need for close post-thrombolysis surveillance.

Bedside takeaway

Extended-window thrombolysis improved functional outcomes in selected patients but increased symptomatic intracranial hemorrhage.

How This Applies in Practice

Use this when: Evaluating or monitoring a patient with acute ischemic stroke who presents beyond 4.5 hours from last known well.

On your shift

  • Activate the stroke pathway and document last known well, baseline neurologic findings, medications, and other eligibility data without delaying imaging.
  • Prepare for treatment only after the designated stroke clinician confirms the patient meets the local extended-window criteria.
  • If thrombolysis is given, complete the ordered neurologic, blood-pressure, and bleeding checks and escalate any deterioration immediately.
Keep in mind: The pooled evidence does not create a universal treatment window or replace individual selection. Follow the stroke protocol, facility policy, and patient-specific provider orders.

Explain this for my unit

Key takeaways

  • The analysis evaluated thrombolysis initiated more than 4.5 hours after last known well in imaging-selected or otherwise trial-eligible patients.
  • Excellent and good functional outcomes at 90 days favored thrombolysis across the pooled evidence.
  • Symptomatic intracranial hemorrhage increased, although any hemorrhage and all-cause mortality were similar between groups.
  • The findings apply to selected trial populations and do not replace local eligibility, imaging, contraindication, or treatment protocols.

Practice implications

  • Activate the stroke pathway without excluding a patient solely because more than 4.5 hours have elapsed. Capture the timing and eligibility data required by the local protocol, then perform the prescribed neurologic, blood-pressure, and bleeding surveillance if thrombolysis is ordered.

Limitations & cautions

  • The meta-analysis combined randomized trials and individual-patient-data meta-analyses with different agents, time windows, imaging strategies, vascular territories, and use of endovascular treatment. Selection criteria were trial-specific, and pooled findings do not define eligibility or treatment for an individual patient.
  • AI-summarized from the linked source. Review the original article before applying to practice.

Citations

Exact source links

Public citations are filtered to exact credible source pages. Homepage-only or invalid links stay in admin review and are not shown here.

Neurology (PubMed)

Neurology (PubMed). IV Thrombolysis in the Extended Time Window for Acute Ischemic Stroke: An Updated Systematic Review and Meta-Analysis.

Open original source

https://pubmed.ncbi.nlm.nih.gov/42492020/

Professional education only

This summary does not replace clinical judgment, facility policy, provider orders, or official guidelines. Verify practice changes against the original source and local protocol.

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