Insuffisance Surrenale - 243 Flashcards

1
Q

Insuffisance Surrenale Chronique
Clinique ?

Bio

A
(maladie d'Addison)
MELANODERMIE
AEG
- Asthenie vesperale++
- Anorexie due a tb dig++ = risq majeur decomp
- Amaigrissement
HYPOTENSION
Aménorrhée IIaire

anemie aregen, leuconeutropenie+hypereo
natriurese et kaliemie un peu augm
hypogly
atteinte androgenes, CORTISOL, +/-aldosterone

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2
Q

ISC diag de certitude =

A
ttt avant résultat si ISA/urgence suspectée
dosages statiques a 8h du matin
- ACTH et reninemie augmentées
- cortisol et aldo diminuees
SYNACTHENE =DIAG+ = test dynamiq
- a 8h en IM
- synACTHene retard : augm cortisol = ICorticotrope
pb = IS = cortisol n'augmente pas
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3
Q

ISC 8 etiologies

A
Retractaction Corticale AI+++
Tuberculose Bilaterale des Surrenales++
Vasculaire (TAR bilat/ hemorragie)
Iatrogenie (RadioT/ chir bilat/ inhib enzymes)
Inf VIH
Infiltration (sarcoidose, lymphome,amylose)
MT bilat K pulmo/langue
Genetique
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4
Q

ISC Retractation Corticale AI

  • Eclinique
  • Bio
  • Imagerie
A
femme 40ans + autres MAI (PEAI)
-> Sd schmidt = + thyroidite Hashimoto
signes ISc/decomp, AI, ELIMINER TBS/VIH
anemie hypogly +/-Ac anti surrenales Ac ANTI 21HYDROXYLASE +/- antiTPO
scanner = ATROPHIE corticales + PAS BK
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5
Q

ISC Tuberculose Bilat des Surrénales

A

transplantés/afriq, diabetiq/IS (VIH) ATCD BK
sero VIH eliminer MAI ID ? decomp, sequelles BK ?
anemie hypogly PAS MAI, + uricemie BHCG bilan autres localisations
ASP/scanner = CALCIFICATIONS BILAT SURRENALES (pathogno), rx tho.

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6
Q

2 ISC congenitales

A

DEPISTAGE. enfants++
-Adrenoleucodystrophie = liée a l’X encéphalopathies
- BLOCS ENZYMATIQUES = AR
deficit 21hydroxlase++ = dosage 17OHprogest SYSTEMATIQUE = hyperplasie surrenales + augm androgenes (hirsutisme)

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7
Q

ISC ttt

RHD

A

ne pas attendre résultats
hormonoT a Vie hydrocortisone+fludrocortisone
+ttt etiodologiq (quadriT/levotyr/ARV…)
education = carte, a vie normosodé, automedic CI, CAT devant urgence = dose PO x2/x3 + hydrocortisone IM (100mg)
situations a risques grossesse, chaleur, non observance

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8
Q

ISC surveillance

A

pods pouls TA inducteur/inhib enzymatique ?
ionoS (K) + renine plasmatique
ACTH/hydrocortisone = osef

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9
Q

ISC insuff corticotrope
diag+
ttt

A

ARRETE corticoT = du a corticoT long cours/adénome
diag+ = synachtene retard
PAS melanodermie PAS pb aldosterone
arret corticoT = reprise ACTH +sieurs jours apres = hydrocortisone pdt 30j apres arrêt

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10
Q

ISA Diag

Bio

A

urg med
ISC decomp++ bloc 21hyroxy ou hemorragie bilat surrenale
melanodermie++
+ carence aldo et cortisol = DEC voire choc hypovolemique + dlr abdo TDig crampes fievre

hemoconcentration +/- IRAf
hypogly
ACTH et renine augmentees++
cortisol et aldo diminuees ++

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11
Q

ISA ttt en 6 etapes

A
  • PEC prehop = 100mg hydrocorti IM + SAMU
  • hospit/rea urg + scope/VVP…
  • reequilibration hydroelectrolytique 500ml/30min serum phy, PAS K+
  • hemisuccinate d’hydrocortisone bolus 100mg puis 400mg/24h IVSE
  • recherche + ttt fdeclenchant
  • surveillance clinique + bio + ECG
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