Predictors of Pulmonary Edema in Severe Preeclampsia

Inclusion criteria : Pregnant women with one or more of the following: * new-onset cerebral or visual disturbances * thrombocytopenia (platelet count \<100 000/mL) * elevated liver enzymes (transaminases) to twice the normal upper limit; * severe persistent pain in the right upper or middle upper abdomen that does not respond to medication and is not explained by another condition * renal insufficiency (serum creatinine \>97 μmol/L), or a doubling of serum creatinine concentration in the absence of other renal disease * systolic blood pressure ≥160mmHg or diastolic blood pressure ≥110mmHg on more than one occasion at least 4 h apart while the patient is on bed rest (unless antihypertensive therapy had been initiated before this time). Exclusion Criteria: * Age below 18 yr * SP during the postpartum period * refusal to participate to the study. * history of cardiac or respiratory disease * patients with clinical manifestations of pulmonary edema