Streptococcal pneumonia-associated hemolytic uremic syndrome treated by T-antibody-negative plasma exchange in children: Two case reports

Table 1 Assessment of erythrocyte T-antigen exposure in case 1

Day of hospitalization	Adult AB type plasma	Umbilical cord AB type plasma	Plasma polycoagulant reaction	T-antigen exposure
3	4+	Negative	Negative	Yes
4	4+	Negative	Negative	Yes
5	4+	Negative	Negative	Yes
6	4+	Negative	Negative	Yes
10	4+	Negative	Negative	Yes
15	3+	Negative	Weak positive	Suspicious
18	±	Negative	Positive	Suspicious
19	Negative	Negative	Positive	No

Table 2 Primary laboratory test results during hospitalization and treatment of case 1

Day of hospitalization	Platelet count, 109/L	Hemoglobin, g/L	Serum creatinine, μmol/L	24-h urine output, mL	24-h urine protein, g/L	T-antigen negative plasma exchange, mL	Methyl-prednisolone dosage, mg/d
3	14	114	143	340	0.05	2000	60
4	23	91	98	890	-	2000	60
5	14	75	58	730	0.12	2000	60
6	29	63	42	680	-	1000	60
7	52	83	28	760	0.15	-	60
8	92	80	-	860	-	-	60
9	254	67	28	1100	-	-	40
12	259	77	30	1200	0.07	-	20
16	248	80	25	1020	-	-	10

Table 3 Primary laboratory test results during hospitalization and treatment of case 2

Day of hospitalization	Platelet count, 109/L	Hemoglobin, g/L	Serum creatinine, μmol/L	24-h urine output, mL	24-h urine protein, g/L	T-antigen negative plasma exchange, mL	Methyl-prednisolone dosage, mg/d
1	42	56	403	0	-	-	60
2	82	55	374	0	-	1000	60
3	159	56	266	1020	-	800	60
4	194	58	294	900	0.22	-	60
5	201	60	209	670	-	-	40
7	230	63	109	880	0.33	-	40
9	242	60	85	400	0.44	-	40
11	274	62	74	850	-	-	20
13	354	64	54	760	-	-	10
21	586	90	29	920	0.34	-	5