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By Isabel Acosta-Ochoa Nephrology senior staff. Valladolid. Spain
Rosemary Townsend, Patrick O'Brien, Asma Khalil
Preeclampsia is a potentially serious complication of pregnancy with increasing significance worldwide. Preeclampsia is the cause of 9%-26% of global maternal mortality and a significant proportion of preterm delivery, and maternal and neonatal morbidity. Incidence is increasing in keeping with the increase in obesity, maternal age, and women with medical comorbidities entering pregnancy. Recent developments in the understanding of the pathophysiology of preeclampsia have opened new avenues for prevention, screening, and management of this condition...
2016: Integrated Blood Pressure Control
Devika Rao, Nikulkumar Kumar Chaudhari, Robert Michael Moore, Belinda Jim
The HELLP (haemolysis, elevated liver enzymes, low platelets) syndrome is believed to be part of the spectrum of pre-eclampsia, which falls within the category of hypertensive disorders of pregnancy. Maternal and fetal complications are more severe in HELLP as opposed to pre-eclampsia alone. We describe a 26-year-old primigravida woman with no medical history who presents with signs of HELLP with marked transaminitis and mild disseminated intravascular coagulation at 35 weeks of gestation who required emergent delivery of the fetus; the patient also sustained acute kidney injury requiring continuous veno-venous hemodiafiltration and a prolonged intensive care unit admission...
2016: BMJ Case Reports
Ben W J Mol, Claire T Roberts, Shakila Thangaratinam, Laura A Magee, Christianne J M de Groot, G Justus Hofmeyr
Pre-eclampsia affects 3-5% of pregnancies and is traditionally diagnosed by the combined presentation of high blood pressure and proteinuria. New definitions also include maternal organ dysfunction, such as renal insufficiency, liver involvement, neurological or haematological complications, uteroplacental dysfunction, or fetal growth restriction. When left untreated, pre-eclampsia can be lethal, and in low-resource settings, this disorder is one of the main causes of maternal and child mortality. In the absence of curative treatment, the management of pre-eclampsia involves stabilisation of the mother and fetus, followed by delivery at an optimal time...
March 5, 2016: Lancet
Tinnakorn Chaiworapongsa, Roberto Romero, Amy E Whitten, Steven J Korzeniewski, Piya Chaemsaithong, Edgar Hernandez-Andrade, Lami Yeo, Sonia S Hassan
OBJECTIVE: To determine (1) whether maternal plasma concentrations of angiogenic and anti-angiogenic factors can predict which mothers diagnosed with "suspected small for gestational age fetuses (sSGA)" will develop pre-eclampsia (PE) or require an indicated early preterm delivery (≤ 34 weeks of gestation); and (2) whether risk assessment performance is improved using these proteins in addition to clinical factors and Doppler parameters. METHODS: This prospective cohort study included women with singleton pregnancies diagnosed with sSGA (estimated fetal weight <10th percentile) between 24 and 34 weeks of gestation (n = 314)...
August 14, 2015: Journal of Maternal-fetal & Neonatal Medicine
Hee Jin Park, Sung Shin Shim, Dong Hyun Cha
Although the precise pathophysiology of pre-eclampsia remains unknown, this condition continues to be a major cause of maternal and fetal mortality. Early prediction of pre-eclampsia would allow for timely initiation of preventive therapy. A combination of biophysical and biochemical markers are superior to other tests for early prediction of the development of pre-eclampsia. Apart from the use of parameters in first-trimester aneuploidy screening, cell-free fetal DNA quantification is emerging as a promising marker for prediction of pre-eclampsia...
2015: International Journal of Molecular Sciences
Takayuki Iriyama, Wei Wang, Nicholas F Parchim, Anren Song, Sean C Blackwell, Baha M Sibai, Rodney E Kellems, Yang Xia
Accumulation of hypoxia inducible factor-1α (HIF-1α) is commonly an acute and beneficial response to hypoxia, whereas chronically elevated HIF-1α is associated with multiple disease conditions, including preeclampsia, a serious hypertensive disease of pregnancy. However, the molecular basis underlying the persistent elevation of placental HIF-1α in preeclampsia and its role in the pathogenesis of preeclampsia are poorly understood. Here we report that Hif-1α mRNA and HIF-1α protein were elevated in the placentas of pregnant mice infused with angiotensin II type I receptor agonistic autoantibody, a pathogenic factor in preeclampsia...
June 2015: Hypertension
Monica Sircar, Ravi Thadhani, S Ananth Karumanchi
PURPOSE OF REVIEW: Preeclampsia is a gestational kidney disease characterized by glomerular endothelial injury, leading to maternal hypertension and proteinuria. If not addressed promptly, there is significant maternal and fetal morbidity and mortality. When severe, this disorder can cause hepatic and neurologic dysfunction. Understandably, this placental disease enters the focus of the obstetrician first; however, with progression, the nephrologist can also be enlisted. Typical complications include acute kidney injury, refractory hypertension, and acute pulmonary edema...
March 2015: Current Opinion in Nephrology and Hypertension
Janina Müller-Deile, Mario Schiffer
Proteinuria is a frequently detected symptom, found in 20% of pregnancies. A common reason for proteinuria in pregnancy is preeclampsia. To diagnose preeclampsia clinically and to get new insights into the pathophysiology of the disease it is at first essential to be familiar with conditions in normal pregnancy. Animal models and biomarkers can help to learn more about disease conditions and to find new treatment strategies. In this article we review the changes in kidney function during normal pregnancy and the differential diagnosis of proteinuria in pregnancy...
November 6, 2014: World Journal of Nephrology
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