Ictère du nouveau-né Flashcards

1
Q

Vrai ou faux:

Compared with formula-fed infants, those who are breasted are 6x more likely to experience moderate jaundice.

A

Vrai

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2
Q

Breastfeeding failure jaundice typically occurs within […1]. Healthy term infants should be treated with increased breastfeeding to [..2].

A
  1. the first week of life

2. over 10x per day

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3
Q

indication phototx?

A

bili > 256 pour bb 29-48h

bili > 308 pour bb 49-72h

bili >342 pour bb > 72h

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4
Q

Vrai ou faux:

Ictère apparaissant en < 24h de vie n’est jamais pathologique.

A

FAUX

TOUJOURS PATHOLOGIQUE EN < 24H

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5
Q

DDX ictère < 24h de vie?

A

incompatibilité Rh/ABO

sepsis

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6
Q

DDX ictère 24-72h de vie?

A

physiologique
allaitement
hémolyse
sepsis

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7
Q

DDX ictère 72-96h de vie?

A

physiologique
allaitement
sepsis

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8
Q

DDC ictère > 1 semaine de vie?

A
hypoT4
hépatite
Gilbert, Crigler-Nijjar
Obstruction des VB
inborn errors of metabolism
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9
Q

à combien de bili apparait l’ictère chez BB?

A

85-120

*différencier
non-conjuguée / indirecte : patho vs physio
et
conjuguée / directe : hépatique vs post-hépatique

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10
Q

complications ultimes ictère?

A

Kernictère

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11
Q
Dx?
bilirubin deposit into the basal ganglia and brainstem nuclei. 
hypotonia
seizure-like activity
opisthotonos
delayed motor skills
choeathetosis 
sensorineural hearing loss
A

Kernictère

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12
Q

management kernictère?

A

immediate exchange transfusion

this is indicated in all children with bili-induced neurologic fysfct (BIND) or those who reach the threshold of > 340 umol/L known as ‘‘vigintiphobia’’
because of its cncerning association with neurological damage

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13
Q

Vrai ou faux

Ginving supplemental glucose water to breastfed infants is associated with higer bilirubin levels

A

vrai

because of reduced intake of breast milk (higher caloric density)

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14
Q

Conseils pour réduire l’incidence de l’ictère en lien avec allaitement?

A

boires fréquents ( > 10 / 24h)
rooming in with night feeding
discouraging 5% dextrose or water supplementation

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15
Q

Quand la bili conjugée est-elle un signe de patho?

A

quand >20% de la bili totale est conjugée

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16
Q

FDR hyperbili sévère?

A
ictère dans les 24h
incompatibilité Rh/ABO
prématuré près du temre (35-36 et 6)
céphalohématome
jumeaux ayant besoin de phototx
allaitement exclusif
asiatique
eéficit en G6PD
17
Q

FDR sepsis néonat?

A
rupture des membranes > 18h avant accouchement
T maternelle pendant travail
chorioamnionite
colonisation au SGB de la mère
atcd accouchment avec BB SGB+
18
Q

DDX sepsis néonat?

A
TORCH
toxoplasmose
other: syphilis, EBV
rubella
CMV
herpes, VIH
19
Q

Red flags ictère nné?

A

< 24 h de vie ou > 2sem de vie
élévation >85 umol en 24h
apparence toxique
risque de sepsis néonat

20
Q

bilan ictère néonat?

A
bili: totale, directe, indirecte
FSC
coombs
sang ABO
G6PD
bilan septique +/- PL
ions (état déshydrataion)
bilan hép
écho abdo... ou autre test spécifique
21
Q

management ictère néonat?

A

boires
phototx
pharmaco: IVIG (peut réduire les besoins de transfusions)
transfusion