Successful Treatment of Infectious Endocarditis Associated Glomerulonephritis Mimicking C3 Glomerulonephritis in a Case with No Previous Cardiac Disease
Table 1
Laboratory data at the time of admission.
Blood
Urine
Blood count
Dipstick test
White blood cell
13,400/mm3
Protein
1+
Eosinophil
0%
Glucose
(−)
Red blood cell
295 × 104/mm3
Occult blood
(±)
Hemoglobin
8.7 g/dL
Sediment
Hematocrit
24.7%
Leukocyte
10–19/HPF
Platelet
5.0 × 104/mm3
Red blood cell
1–4/HPF
Biochemical tests
Epithelial cell
0-1/HPF
Total protein
6.4 g/dL
Red blood cell cast
0-1/HPF
Albumin
1.5 g/dL
Biochemical analysis
Aspartate-aminotransferase
24 IU
Urine protein
0.61 g/gCr
Alanine-aminotransferase
22 IU
N-Acetyl--D-glucosaminidase
52.3 U/mL
Lactate dehydrogenase
220 IU
2-Microglobulin
3,720 g/L
Blood urea nitrogen
97.5 mg/dL
1-Microglobulin
180 mg/L
Cr
6.11 mg/dL
Uric acid
14.5 mg/dL
Sodium
134 mEq/L
Potassium
4.5 mEq/L
Chloride
94 mEq/L
Calcium
7.6 mg/dL
Phosphate
5.5 mg/dL
Creatine kinase
43 IU/L
Fasting blood glucose
111 mg/dL
HbA1c
5.8%
eGFR
9.2 mL/min/1.73 m2
Immunology
C-reactive protein
27.84 mg/dL
Procalcitonin
4.0 ng/mL
Immunoglobulin G
2,190 mg/dL
Immunoglobulin A
364 mg/dL
Immunoglobulin M
87 mg/dL
Complement 3
142 mg/dL (65–135)
Complement 4
30 mg/dL (13–35)
CH50
52 U/mL (22–58)
Anti-streptolysin O
37.6 U/mL
Hepatitis B surface antigen
(−)
Hepatitis C virus antibody
(−)
Human immunodeficiency virus antibody
(−)
RF
10.0 U/mL
Antinuclear antibody
(−)
MPO-ANCA
1.0 U/mL (<3.5)
PR3-ANCA
21.3 U/mL (<3.5)
Cryoglobulin
(−)
Creatinine: Cr; MPO-ANCA: myeloperoxidase-anti-neutrophil cytoplasmic antibody; PR3-ANCA: proteinase 3-anti-neutrophil cytoplasmic antibody. The figure in the parenthesis shows the normal range.