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Hydrops fetalis is a condition in the fetus characterized by an accumulation of fluid, or edema, in at least two fetal compartments, including the subcutaneous tissue, pleura, pericardium, or in the abdomen, which is also known as ascites. The edema is usually seen in the fetal subcutaneous tissue, sometimes leading to spontaneous abortion. It is a prenatal form of heart failure, in which the heart is unable to satisfy demand for an unusually high amount of blood flow.
Classification and causes
Hydrops fetalis usually stems from fetal anemia, when the heart needs to pump a much greater volume of blood to deliver the same amount of oxygen. This anemia can have either an immune or non-immune cause. Non-immune hydrops can also be unrelated to anemia, for example if a tumor or congenital cystic adenomatoid malformation increases the demand for blood flow.
Hydrops fetalis can be diagnosed and monitored by ultrasound scans.
The treatment depends on the cause.
Severely anemic fetuses can be treated with blood transfusions while still in the womb.
Cassidy MD, George. Hydrops Fetalis. eMedicine Online. 2004.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Hydrops_fetalis". A list of authors is available in Wikipedia.|