Kidney in Pregnancy Flashcards
effects of vasodilation
decrease PVR, increase venous compliance, decrease BP, increase RBF
what is the key driving factor in pregnancy
systemic vasodilation drive by
increase in PAAS resistance
increase in NO
two other things taht happen during pregnancy
increase VEGF–>increase angiogensis for placenta
increase plasma volume–>increase CO–>incrase GFR a lot!
because GFR is increasing
decrease in plasma creatinine
increase in urine protein
other things you find in pregnancy
increase in adh–>decrease Na cocnentration
respiratory alkalosis
increase resistance to epo–>rbc volume doesnt cahgen but can be anemic
renal anatomy in pregnancy
increase renal size
increase reflux
lower UT microenvironemtn (increase risk for infx)
–>polyuria and increase risk of infx
healthy placenta makes
VEGF and flt1 which binds and inactivates VEGF in circulation
with HTN and CKD you get
increase arterial compliance
decreased venous capacitance
women in stages 1-3 will
see less of the changes you see in normal progenancy and maybe none if its severe
severe CKD risk
99% for preterm deliery and pre-eclampsia
20-60% risk for preterm delivery and perinatal death
mulitparity and SLE
may increase incidence or worsen renal disease
babies of parents with CKD
have no changes in morphology, just growth (ooften preterm)q
CKD during pregnancy blunts the
decrease in BP
HTN during pregnancy blunts the
increase in GFR
HTN during pregnancy is associated with
abnormal endothelial biology decrease placental perfusion prematurity intrauterine growth retardation preeclampsia