Q: Which of the following is first to resolve during treatment of TTP while on Plasma Exchange Therapy? 

A) Thrombocytopenia
B) High LDH level
C) Neurologic symptoms
D)  Kidney dysfunction



Answer: C

 In patients who respond to plasma exchange for TTP treatment, the mean time to

•  normal neurologic function is 3 days, 
• a normal LDH is 5 days, 
• a normal platelet count is 10 days, and 
• normal renal function is 15 days

.