Anevrysme AA Flashcards

1
Q

Etiologie AAA

A

95% atherosclerose
5%
Vascularites de gros calibres: takayasu, behcet, horton
Marfan, ehler danlos
Infectieux : anevrysme mycotique des endocardites

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2
Q

Clinique typique AAA

A

ASYMPTOMATIQUE
Ou
Douleur épigastrique et irradiation dorsale. Masse abdo pulsatile et expensive
Claudication intermittante si emboles perif

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3
Q

Signe de Bakey

A

Si main peu passer sous le auvent costal G : siege SOUS RENALE

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4
Q

Examen paraclinique de premiere intension si douleur abdo intense epigastrique av irradiation dans le dos G ou dl lombaire aigue

A

ANGIO TDM inj TAP
–> on elimine une RUPTURE de AAA

Rupture

  • retroperitoneale
  • intraperitoneale : CHOC. CATACLYSMIQUE
  • ds organe de voisinage : fistule aortidig: duid D3, VCI
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5
Q

Quand depister AAA

Et quel examen

A

Faire ECHO DOPPLER ABDO pr visualiser aorte

Chez

  • > 65 ans HOMMES + TABAC
  • atherosclerose sur autre territoire
  • ATCD familial anevrysme : depistage des 50 ans
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6
Q

Complication AAA

A

1/ RUPTURES 80% dc
2/ thromboses : MI , INFACTUS MESENTERIQUE, INFECTIONS
3/ tb compressif : D3, uretere, nerfs, VCI
4/ OPERATOIRES
5/ emboles de cho

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7
Q

Surveillance de AAA

A

Si diametre <40 mmm: tois les ans

Si 40-55mm: TOUS LES 6 mois

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8
Q

Quand faure chirurgie pour AAA

A
  • symptomes
  • diametre>5 cm
  • augmentation de>1 cm tous les 12 m
  • complications
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9
Q

Lieu plus fq AAA

A

Sous renale 80%

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