Successful treatment of unusual life-threatening complications of idiopathic edema.

Idiopathic edema (IE) is a disease that occurs predominantly in women. It is characterized by increasing weight gain of >1.4 kg from morning to night, increasing edema, increasing truncal and abdominal girth with bloating when assuming an upright position and nocturia that is unrelated to menses. There is an increase in morbidity but not mortality. Increased capillary membrane leakage appears to be the underlying pathophysiologic abnormality that explains the myriad of clinical presentations. We present 2 cases of life-threatening complications of IE that resulted in seizures related to acute hyponatremia in one and extreme postural dizziness and fainting induced by postural hypotension in the other. The first patient was successfully treated with salt restriction, timely use of furosemide and limitation of water intake; the other was successfully treated by use of support hose. Treatment of these patients required a fundamental understanding of the intricate pathophysiological consequences of a leaky capillary membrane, an understanding of Starling forces and detailing the effectiveness of a low salt diet, use of diuretics and limited water intake in one and why support hose would be beneficial in the other patient. Both patients experienced significant physical and emotional benefits that substantially improved quality of life.
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