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Volume 28, Number 2—February 2022
Dispatch

Postvaccination Multisystem Inflammatory Syndrome in Adult with No Evidence of Prior SARS-CoV-2 Infection

Young Kyun Choi, Jae Young Moon, Jungok Kim, In Seol Yoo, Geun-Yong Kwon, Heuisoon Bae, Min Seob Song, and Sungmin KymComments to Author 
Author affiliations: Chungnam National University College of Medicine, Sejong, South Korea (Y.K. Choi, J.Y. Moon, J. Kim, I.S. Yoo, S. Kym); Sejong Public Health Center, Sejong (G.Y. Kwon); Sejong City Center for Infectious Diseases Control and Prevention, Sejong (H. Bae); Inje University College of Medicine, Busan, South Korea (M.S. Song)

Main Article

Table

Laboratory results for patient with multisystem inflammatory syndrome after coronavirus disease vaccination but no evidence of prior infection with severe acute respiratory syndrome coronavirus 2, South Korea*

Measure Reference Hospital day
ED visit 1 2 4 8 15 22 29 36 39 50 60 64 68 73
Leukocyte count, × 103 cells/μL 3.5−10.0 12.2 14.7 11.7 28.4 26.5 31.9 58.9 24.3 17.4 29.1 31.5 14.2 19.0 16.0 13.4
Erythrocyte count, × 106 cells/μL 4.0−5.4 3.8 3.2 3.1 3.9 3.1 2.9 2.9 3.3 4.1 4.3 3.9 3.5 3.8 3.6 3.7
Absolute neutrophil count, × 103/μL 1.9−7.4 11.1 13.0 10.3 27.1 24.8 31.4 54.3 22.42 14.7 26.6 19.2 12.1 15.7 13.4 10.2
Absolute lymphocyte count, × 103 cells/μL 1.0−3.9 0.7 0.5 0.8 0.9 0.8 0.6 2.5 1.4 1.4 2.0 0.8 1.2 2.3 1.9 2.6
Platelet count, × 103 cells/μL 130–400 169 159 157 245 168 367 282 274 269 330 177 288 277 182 186
Hemoglobin, g/dL 12–16 11.2 9.6 9.3 11.9 9.3 8.5 8.4 9.4 11.6 12.0 11.4 10.2 11.1 10.5 11.0
Hematocrit, % 36–46 33.7 27.9 28.4 34.2 27.5 24.6 24.2 28.6 34.5 35.9 33.2 30.2 33.1 31.5 33.4
CRP, mg/dL 0–0.5 30.7 >40 26.4 17.3 5.6 25.3 9.5 15.0 11.8 24.2 1.5 0.3 2.3
Procalcitonin, ng/mL 0–0.065 6.524 7.122 1.385 2.851 0.844 2.505 0.272 0.209 2.297 1.747 0.236 0.087 0.134
ESR, mm/h 0–20 49
IL-6, pg/mL 0–29.4 862.6 54.6 802.1 98.1 621.1 522.1
Ferritin, ng/mL 12–60 13,241 22,860 13,710 12,455 >10,000 4,918 3,595
Lactic acid, mEq/L 0.4–0.8 1.7 1.1 1.4 1.2 1.2 0.7 1.9 0.9
Sodium, mmol/L 136–145 130 134 139 137 134 131 128 132 137 134 137 138 138 140 141
Potassium, mmol/L 3.5–5.1 3.7 3.9 4.0 2.6 3.8 4.2 4.4 4.7 3.5 2.9 3.0 3.2 3.3 3.0 3.3
Chloride, mmol/L 98–110 100 108 113 104 101 99 99 102 102 94 98 98 99 99 100
CO2, mmol/L 19–24 22 21 17 27 19 26 23 25
Calcium, mg/dL 8.4–10.2 8.1 7.3 7.4 7.5 8.1 7.8 7.9 8.2 8.0 8.2 8.7 8.7 8.7 9.2
Glucose, mg/dL 70–110 114 99 106 94 78 103 121 93 125 81 107 119 105 97 100
BUN, mg/dL 8–20 19.9 11.9 8.7 10.4 12.9 6.1 19.5 12.1 14.6 6.2 10.0 9.1 9.1 6.7 6.2
Creatinine, mg/dL 0.4–0.8 0.77 0.43 0.38 0.38 0.28 0.25 0.26 0.17 0.21 0.23 0.21 0.25 0.32 0.33 0.33
Total protein, g/dL 6.7–8.3 6.1 4.9 4.3 5.1 5.6 5.8 6.3 6.7 6.5 6.3 6.6 6.9 5.9 6.5
Albumin, g/dL 3.8–5.3 3.6 2.8 2.5 2.8 2.9 2.9 2.6 2.8 2.7 2.8 3.1 3.5 3.4 3.9
Total bilirubin, mg/dL 0.22–1.2 0.89 0.30 0.44 0.77 0.53 0.51 0.71 0.40 0.77 0.43 0.69 0.62 0.72 0.77
ALT, U/L 4–44 9 7 7 10 18 22 45 45 53 51 55 60 37 26
AST, U/L 8–38 22 32 31 34 50 43 36 57 50 33 31 54 45 31
ALP, U/L 42–98 58 44 65 84 98 103 185 110 130 137 115 102 80 83
CK, U/L 43–165 33 38 379 20 19 28 23 10 8
CK-MB, ng/mL 0.6–6.3 1.1 1.7 6.1 0.9 0.9 1.1 1.1 0.9 0.8
Troponin I, pg/mL 2.3–17.5 88.7 94.0 286.0 6.9 4.9 4.1 2.5 2.6
NT-proBNP, pg/mL 0–125 4,736 1,707 797 691 8,065 1,246 1,240 1,441 177 123
D-dimer, ng/mL 0–243 >3,200 >3,200 >3,200 >3,200 2,521 1,408 362 282
FDP, µg/mL 0–5 60.09 50.72 27.10
Fibrinogen, mg/dL 238–498 578 674 203 326
Anti-thrombin III, % 83–128 56 47
Protein C activity, % 70–130 58 52
Protein S activity, % 65–140 27 11
APTT, s 25.1–39.7 34.6 33.9 33.7 33.0 34.6 29.5 30.6 31.9 23.9
PT, s 9.4–13.6 19.4 18.1 15.9 17.8 19.1 17.9 18.0 14.7 14.0
INR 0.80–1.23 1.77 1.65 1.44 1.62 1.74 1.63 1.64 1.33 1.27
Anti-HPF4 antibody Neg. Neg.
LDH, U/L 200–400 511 1,428 1,472 1,161 1,279 1,417
Rheumatoid factor, IU/mL 0–18 8
C3, mg/dL 65–135 108
C4, mg/dL 13–35 19

*ALP, alkaline phosphatase; ALT, alanine aminotransferase; APTT, activated partial thromboplastin time; AST, aspartate aminotransferase; BUN, blood urea nitrogen; C3, complement 3; C4, complement 4; CK, creatine kinase; CK-MB, creatine kinase-myocardial band; CRP, C-reactive protein; ED; emergency department; ESR, erythrocyte sedimentation rate; FDP, fibrin and fibrinogen-degradation products; IL-6, interleukin 6; INR, international normalized ratio; LDH, lactate dehydrogenase; NT-proBNP, N-terminal–pro B-type natriuretic peptide; PT, prothrombin time.

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Page created: December 01, 2021
Page updated: January 23, 2022
Page reviewed: January 23, 2022
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