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Acute kidney injury in pregnancy: a clinical challenge

2011; Springer Science+Business Media; Volume: 25; Issue: 1 Linguagem: Inglês

10.5301/jn.5000013

1724-6059

Susana Machado, Nuno Figueiredo, Andreia Borges, Maria Pais, Luís Carlos Bastos Freitas, Paulo Moura, Mário Campos,

Acute Kidney Injury Research

EPHROL AbstrActThe incidence of acute kidney injury in pregnancy declined significantly over the second half of the 20th century; however, it is still associated with major maternal and perinatal morbidity and mortality.A set of systemic and renal physiological adaptive mechanisms occur during a normal gestation that will constrain several changes in laboratory parameters of renal function, electrolytes, fluid and acid-base balances.The diagnosis of acute kidney injury in pregnancy is based on the serum creatinine increase.The usual formulas for estimating glomerular filtration rate are not validated in this population.During the first trimester of gestation, acute kidney injury develops most often due to hyperemesis gravidarum or septic abortion.In the third trimester, the differential diagnosis is more challenging for the obstetrician and the nephrologist and comprises some pathologies that are reviewed in this article: preeclampsia/HELLP syndrome, acute fatty liver of pregnancy and thrombotic microangiopathies.