UA11 - grossesse Flashcards

1
Q

c quoi age post conceptuel vs age post menstruel?

A
  • Âge post conceptuel = age apres fécondation (day 1 = ovulation et fécondation = fin de la sem 2)
  • Âge post menstruel = age 2 semaines en avance, selon la date de la derniere menstruation (day 1 = start of menstruations du mois ou la femme tombe enceinte
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2
Q

quescequi ce passe durant les 2 premieres sem de grossesse (sem 2-4)? (periode de tout ou rien)

A

soit grossesse normale ou avortement spontané

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3
Q

que ce passe t il durant sem 5-10 de grossesse? (phase enbryonnaire)

A

formation des organes = risque teratogene important

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4
Q

what happens durant phase foetale (sem 10-40)?

A

maturation des organes, risuqe moins important
*attention aux effets apres acouchement (accumul rx chez mere et sevrage)

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5
Q

comment ph gastrique change chez pers enceintes?

A

pH aug (plsu basique) = favoriser abs bases faibles
dim abs acides

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6
Q

what happens to the following factors:
- motilité intest
- temps transit intest
- debit sang
- secretion H+
- secretion mucus

A

1) dim (aug Tmax rx)
2) aug
3) aug
4) dim secretion H+
5) aug mucus

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7
Q

en general, estce que abs aug ou dim chez enceintes?

A

aug (Tmax aug, debit sang aug)

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8
Q

v ou f, abs cutanée/transdermique aug chez femmes enceintes

A

vrai :
- aug perfusion peau, hydratation

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9
Q

v ou f: abs des rx par inhalation dim chez femmes encientes?

A

faux:
- aug ventilation
- aug debit sang poumons

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10
Q

v ou f: le vd des rx lipophiles aug chez pers enceintes mais pas de maniere significative

A

vrai

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11
Q

v ou f: l V eau corporelle et debit sanguin aug chez pers enceintes

A

vrai, donc Cmax rx diminue

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12
Q

comment changent VD hydro/lipophiles ?

A

hydrophile = Vd aug bcp
lipophile = Vd aug petit peu

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13
Q

pourquoi la fu des rx aug chez pers enceinte?

A
  • dim albumine
  • competition hormones-rx pour albumine
  • dim AAG
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14
Q

durant grossesse, il y a aug de la liaison des susb endogenes, comme thyroxine, par des prot comme globuline. que faire?

A

donner plus de thyroid hormones aux femmes enceintes

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15
Q

pourquoi le metab aug ?

A
  • aug debit ep
  • aug fu
  • aug CL intrinseque
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16
Q

quelles 2 enzymes voient leurs activité dim durant grossesse?

A

CYP 1A1/2
CYP 2C19

17
Q

v ou f: elim est dim durant grossesse

A

faux, aug excretion renale et CL

18
Q

en resumé, ADME durant grossesse:

A

A: aug (motilité dim, aug Tmax, pH plus grand)
D: Vd aug pour tous, Cmax dim, fu aug (manque albumine et AAG, compet hormones)
M: aug pour tous sauf 2c19 et 1a1 1a2
E: aug