De Novo Atypical Haemolytic Uremic Syndrome after Kidney Transplantation

Table 1

Laboratory findings.

	Day 11°	Day 40°	Day 120°
C-reactive protein, mg/L ( < 5.0)	33.0	117.0	452.0
Plasma creatinine, mg/dL (: 0.60–1.30)	1.21	2.73	5.5
Lactate dehydrogenase, IU/L ( < 250)	376	722	517
Hemoglobin, g/dL (: 12.2–15.0)	9.6	7.7	7.0
Coombs test	NA	Negative	Negative
Platelets count, per μ/L (: 150000–450000)	417,000	51,000	96,000
Haptoglobin, g/L (: 0.3–2.0)	NA	<0.1	<0.1
Schistocytes count, % of red blood cells	NA	4	2
Tacrolimus trough level, ng/mL	9.0	26.5	9.9
Anti-HLA antibody	NA	Negative	Negative
Complement C4, g/L (: 0.1–0.4)	NA	0.34	0.36
Complement C3, g/L (: 0.9–1.8)	NA	1.14	1.53
CMV (PCR), copies/mL	Undetected	Undetected	Undetected

kidney transplantation. I and class II anti-HLA antibody screening performed by single antigen bead assay. CMV: cytomegalovirus; HLA: human leukocyte antigen; IU: international unit; PCR: polymerase chain reaction; : normal value; NA: not available.