Successful use of plasma exchange in fulminant lupus myocarditis coexisting with pneumonia: A case report

Table 1 Initial laboratory values

Variables	Results	Normal range
White blood cells	10.71 × 109/L	3.5-9.5 × 109/L
Red blood cells	3.29 × 1012/L	3.8-5.1 × 1012/L
Hemoglobin	71 g/L	115-150 g/L
Platelets	33 × 109 /L	100-300 × 109/L
Alanine aminotransferase	98 IU/L	7-40 IU/L
Aspartate aminotransferase	301 IU/L	13-35 IU/L
Total bilirubin	0.65 mg/dL	0.29-1.2 mg/dL
Creatinine	1.54 mg/dL	0.34-1.02 mg/dL
Prothrombin time	12.1 s	9-14 s
Activated partial thromboplastin time	43 s	20-40 s
Myohemoglobin	864.30 ng/mL	25-58 ng/mL
Hypersensitive troponin T	142.90 ng/L	< 14 ng/L
NT-proBNP	> 35000 pg/mL	< 125 pg/mL
Complement 3	36 mg/dL	79-152 mg/dL
Complement 4	13.7 mg/dL	16-38 mg/dL
ANA (1:100)	+++	Negative
ANA (1:320)	++	Negative
ANA (1:1000)	+	Negative
Anti-SS-A antibody	+++	Negative
Anti-SS-B antibody	++	Negative
Anti-Ro-52 antibody	+++	Negative
Anti-Smith antibody	Negative	Negative
Anti-SCL-70 antibody	Negative	Negative
Anti-Jo-1 antibody	Negative	Negative
Anti-CENP-B antibody	Negative	Negative
Anti-double-stranded DNA antibody	Negative	Negative
Rheumatoid factor	< 20 IU/mL	< 20 IU/mL

NT-proBNP: N-terminal pro B-type natriuretic peptide; ANA: Antinuclear antibody.