Table 1.

40-year-old female undergoing treatment TPE for TTP

	Reference Range	Original Laboratory Results (Day 1)	Day 2	Day 3
Hematology
Platelet bil/L	150–400	32	22	37
Chemistry
LDH U/L	100–240	362	240	190
Blood bank
Plasma volume exchange		0 mL	3000 mL	3000 mL
	Day 4	Day 5	Day 6	Day 7 (After TPE)
Hematology
Platelet bil/L	91	112	175	195
Chemistry
LDH U/L	176	159	147	152
Blood bank
Plasma volume exchange	3000 mL	3500 mL	3500 mL	3500 mL

Treatment was a 6-day course of plasma exchange at 10–15 mL/kg body weight. During treatment, platelet values and LDH values were closely monitored. Platelet values steadily increased throughout treatment, whereas LDH values decreased to within normal range.