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Traumatismes cranio-encéphaliques

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Mécanismes<br />

• CHOC DIRECT = onde de choc<br />

En regard de l’impact (os + contusion ou attrition)<br />

Contre coup (cerveau) & ébranlement (axones)<br />

• ACCELERATION-DECELERATION<br />

Déplacements linéaires : coup & contre coup<br />

(frottements cortex sur aspérités)<br />

Déplacements rotatoires : lésions axiales profondes<br />

(forces de cisaillement)

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