Insufficance Aortique Flashcards

1
Q

Etiologies IAo chroniques

A

dystrophie+++ : mala annuloectasiante, Marfan, valves flasques, Edher Danlos
RAA
sequelles EI
congenitales (bicuspidie+++,…)
autres : inf syphilis, SA, sd FLR, rhum pso, crohn, LED, PR…

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2
Q

Etiologies IAo aigues

A

EI, DA aigue, trauma

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3
Q

Souffle d’IAo

A

au foyer aortique, irrad apex, diastolique, timbre doux, bien percu quand debout expi forcée et penché en avant
+/- souffle systo accomp, click protosysto, deviation choc pointe

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4
Q

Signe auscultatoire gravité IAo

A

roulement de Flint diastoliqe (apex), pistol shot, galop protodiastolique

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5
Q

Paraclinique IAo

A

ECG, RT, ETT/ETO

+/- TDM tho, coro

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6
Q

Evolution IAo

A

complic : EI, IVG, DA, arythmie, mort subite

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7
Q

mauvais pronostic IAo

A

symptomatique, dilatation VG, coronaropathie/AAA

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8
Q

indication chirurgicale IAo

A

IAo sympt+volu

IAo asympt + dysfonction VG/dilatation AA>55mm(ou 50 si Marfan, bicuspidie)/volu+indic chir cardiaque

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9
Q

bilan préop

A

Euroscore, ETT, doppler TSA, recherche foyer infection ORL/dentaire, RT, GDS (+/- EFR), coro (si >40ans ou 50 pour femme/angor), Bio..

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10
Q

moyens chirurgicaux IAo

A
  • remplacement valvulaire sous CEC +/- rempla AA et reimplantation coro : prothese meca ou biologique
  • conservation valve native si petite IAo sur valves N
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11
Q

tt médical IAo

A

IEC, dihydropyridine

bétabloquant systematique dans Marfan

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12
Q

syndrome Laubry Pezzi

A

IAo + CIV, patho congenitale

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