ICP – Lundberg A waves - Start - Lundberg... · Casus •Man, 47 jaar •D1 status na HET met...
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Transcript of ICP – Lundberg A waves - Start - Lundberg... · Casus •Man, 47 jaar •D1 status na HET met...
![Page 1: ICP – Lundberg A waves - Start - Lundberg... · Casus •Man, 47 jaar •D1 status na HET met ernstig traumatisch schedel-hersenletsel wv inbrengen ICP meter •Frequent hoge ICP’s](https://reader031.fdocuments.us/reader031/viewer/2022022606/5b7b8fd57f8b9a483c8e61c9/html5/thumbnails/1.jpg)
ICP– Lundberg Awaves
DianaJansen,ANIOSIC23-10-2015
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Casus•Man,47jaar• D1statusnaHETmeternstigtraumatischschedel-hersenletselwvinbrengenICPmeter
• FrequenthogeICP’s maarooktussenpozenmetlageICP• Diepesedatie,thiopental enhypertoonzout,normothermie
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ICP(1)Relationshipbetweenintracranialpressureandintracranialvolume
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ICP(2)
P1=(Percussion wave)due tothearterial pulsation andreflects cerebral flowP2=(Tidal wave)due toretrogradevenous pulse ofthejugular against thecortical veins,represents intracranial complianceP3=(Dicrotic wave),represents aortic valve closure
Change inP2;predict failure cerebral autoregulationP2>P1indicates intracranial hypertension =noncompliant brain
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Lundberg waves• 20%severe traumatichead injury
• Triggered by aprecipitating factor(e.g.hypotension,desaturation,highpCO2)à decrease CPP;leading toanintracerebral vasodilatory cascadeàincreased CBVà increase ICPinnon-compliant intracranial system(due toalready swollen brain)
• Autoregulation intactincombinationwith anon-compliant lowcompensatoryintracranial content
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Lundberg Awaves =plateauwaves
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Conclusie
• Kijkennaar• HoogteICP• Curve• Patronenteherkennen?
• Lundberg Awavespathologisch;tekenenvanzwellingbrein.Uitkomstnietperdefinitieslecht!