Case Report
Coronavirus Disease 2019 (COVID-19) Associated Hemolytic Uremic Syndrome in a Toddler
Table 1
Pertinent laboratory data on admission.
| | Hematology | Admission values (reference range) | Outpatient values (reference range) |
| | White blood cells (K/μL) | 8.1 (6–17.5) | 11.68 | | Hemoglobin (g/dL) | 5.1 (10.5–13.5) | 11.3 | | Platelets (K/μL) | 51 (150–350) | 450 | | Reticulocyte (%) | 8.4% (0–2.5%) | 1.2 | | Peripheral smear | Schistocytes | | | Coombs | Negative | | | Coagulation | | | | D-dimer (ng/mL) | 4098 (<500) | | | Haptoglobin (mg/dL) | <8 (30–250) | 134 | | Lactate dehydrogenase (U/L) | 833 (100–260) | 300 | | PT | 10.4 (9.9–13.4 sec) | | | aPTT | 29.4 (24.0–39.2 sec) | | | Urine | | | | Color | Amber | Yellow | | Specific gravity | 1.020 (1.005–1.030) | 1.025 | | Protein | 3+ | Trace | | Blood | 3+ | Negative | | Microscopic (/hpf) | 8 RBC (0–4/hpf), 21 WBC (0–5/hpf) | 5 RBC, 2 WBC | | Protein/creatine ratio (g/mmol) | 5.1 (<0.2) | 0.25 | | Inflammatory and cardiovascular parameters | | | | Ferritin (ng/mL) | 447 (16–300) | 207 | | ESR (mm/h) | 25 (0–20) | | | Interleukin-6 (pg/mL) | 3.0 (≤1.8) | | | NT-pro BNP (pg/mL) | 3685 (<125) | | | Chemistry | | | | Serum creatine (mg/dL) | 0.71 (0.2–0.4) | 0.32 | | eGFR (ml/min/1.73 m2) | 67 (89–165) | 127 | | BUN (mg/dL) | 47 (5–18) | 10 | | AST (U/L) | 62 (10–40) | 45 | | C3 (mg/dL) | 106 (50–180) | | | Albumin (g/dL) | 3.4 (3.2–4.7 g/dL) | 3.9 | | ANA | Negative | | | ADAMSTS13 (%) | >100 | |
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