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BRAIN, NERVES & MINDStroke: 4.5 hours and 24 hours1IV thrombolysis: within 3 h OR 1.75, 3–4.5 h OR 1.26,beyond 4.5 h no significant benefit (6,756-patientmeta-analysis)2Benefit holds regardless of age or severity —including over 803Thrombectomy (large-vessel occlusion): independence46% vs 26.5%; treat 2.6 to reduce disability in 14Selected patients can be treated up to 24 h — but onlyimaging in hospital can tell5Every minute of delay costs about 1.9 million neurons6Don’t drive yourself, don’t take pills first, don’twait for familyKidney patients especially: emergency imaging tells ischaemic frombleed; thrombolysis and thrombectomy are not contraindicated in CKD.BBeyond CKDbeyondckd.com/fr/cards/stroke-time-is-brainSources: Emberson J et al. Alteplase IPD meta-analysis · Goyal M et al. HERMES…Compiled from public clinical guidelines · General education, not individual medical advice
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Brain, nerves & mind

Stroke: 4.5 hours and 24 hours

“Nothing can be done, sleep on it” is a leading avoidable cause of stroke disability. Two time windows decide everything.

  1. 1IV thrombolysis: within 3 h OR 1.75, 3–4.5 h OR 1.26, beyond 4.5 h no significant benefit (6,756-patient meta-analysis)
  2. 2Benefit holds regardless of age or severity — including over 80
  3. 3Thrombectomy (large-vessel occlusion): independence 46% vs 26.5%; treat 2.6 to reduce disability in 1
  4. 4Selected patients can be treated up to 24 h — but only imaging in hospital can tell
  5. 5Every minute of delay costs about 1.9 million neurons
  6. 6Don’t drive yourself, don’t take pills first, don’t wait for family

Kidney patients especially: emergency imaging tells ischaemic from bleed; thrombolysis and thrombectomy are not contraindicated in CKD.

Légende (prête à coller)

“Nothing can be done, sleep on it” is a leading avoidable cause of stroke disability. Two time windows decide everything.

1. IV thrombolysis: within 3 h OR 1.75, 3–4.5 h OR 1.26, beyond 4.5 h no significant benefit (6,756-patient meta-analysis)
2. Benefit holds regardless of age or severity — including over 80
3. Thrombectomy (large-vessel occlusion): independence 46% vs 26.5%; treat 2.6 to reduce disability in 1
4. Selected patients can be treated up to 24 h — but only imaging in hospital can tell
5. Every minute of delay costs about 1.9 million neurons
6. Don’t drive yourself, don’t take pills first, don’t wait for family

Kidney patients especially: emergency imaging tells ischaemic from bleed; thrombolysis and thrombectomy are not contraindicated in CKD.

Sources: Emberson J et al. Alteplase IPD meta-analysis — Lancet 2014; Goyal M et al. HERMES thrombectomy IPD meta-analysis — Lancet 2016
Vérifié le: 2026-10-17

Cartes et scripts sont des informations d'éducation à la santé issues de recommandations cliniques publiques. Ce ne sont pas des conseils médicaux individuels et ils ne remplacent pas l'évaluation de votre médecin, pharmacien ou diététicien. Conservez les sources et cet avertissement lors du partage ; cette page fait foi pour la version la plus récente.
https://beyondckd.com/fr/cards/stroke-time-is-brain
Script vidéo courte 60 s

Plans et voix off. Vertical 9:16 ; sous-titres dans le tiers inférieur. Chaque phrase renvoie aux sources à gauche.

sImageVoix off
0–5StopwatchA stroke — watch overnight and see?
5–254.5-hour hourglassNine trials, 6,756 people: clot-buster within 3 hours raises the odds of no disability by 75%; after 4.5 hours the benefit is gone.
25–4546% vs 26.5%Thrombectomy for large-vessel occlusion: independence rises from 26.5% to 46% — fewer than 3 treated to help 1.
45–60Emergency numberEvery minute costs 1.9 million neurons. Note the time, call emergency services. Kidney patients too — these treatments are not off-limits.

Sources (chaque point de la carte y renvoie)

Vérifié le: 2026-10-17