Abstract
The patient who is 49 years old, female, and the LDL apheresis has been performed 55 times once/two weeks since begi ni ng of this treatment till April 1987. Serum total cholesterol level was well controlled below about 250mg/dl. Evaluation of biocopatibility revealed that it seems to be no problems on this system. Clinical status and findings have been significantly improved about 1 year later since this treatment was started. Till now, we had not any kinds of side effect. We concluded that the LDL apheresis system had the effectiveness for the treatment of FH.