Serum Procalcitonin Levels in Acute Encephalopathy with Biphasic Seizures and Late Reduced Diffusion.
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| Abstract |
Procalcitonin (PCT) is used as a biomarker in severe infections. Here, we retrospectively investigated levels of serum PCT, C-reactive protein (CRP), and inflammatory cytokines (IL-6, TNF-α, and IFN-γ) in the second phase of patients with acute encephalopathy with biphasic seizures and late reduced diffusion (AESD). Nine AESD pediatric patients (4 men, 5 women; AESD group) admitted to Okayama University Hospital from 2010 to 2016 were compared with 10 control patients with febrile seizures (FS) (3 men, 7 women; FS group). Mean PCT concentrations (ng/mL) in the AESD and FS groups were significantly different, at 9.8 ± 6.7 and 0.8 ± 0.9, respectively (p = 0.0011). CRP (mg/dL) were 0.79 ± 0.89 and 1.4 ± 1.0 (p = 0.21), respectively; IL-6 (pg/mL) were 449.7 ± 705.0 and 118.3 ± 145.4 (p = 0.20), respectively; TNF-α (pg/mL) were 18.6 ± 12.5 and 16.6 ± 6.0 (p = 0.67), respectively; and IFN-γ (pg/mL) were 79.6 ± 158.5 and 41.9 ± 63.7 (p = 0.56), respectively. Ratios of PCT to CRP were 27.5 ± 34.2 and 3.2 ± 6.8 (p < 0.0001), respectively. The sensitivity and specificity in the diagnosis of AESD using a cutoff of PCT/CRP ratio of 1.0 were 100% and 80%, respectively. These results suggest that PCT and the PCT/CRP ratio are useful in auxiliary diagnosis of the second stage of AESD, and in AESD, PCT is likely to increase through a different mechanism.
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| Authors | Yosuke Fujii, Masato Yashiro, Mutsuko Yamada, Tomonobu Kikkawa, Nobuyuki Nosaka, Yukie Saito, Kohei Tsukahara, Masanori Ikeda, Tsuneo Morishima, Hirokazu Tsukahara |
| Journal | Disease markers (Dis Markers) Vol. 2018 Pg. 2380179 ( 2018) ISSN: 1875-8630 [Electronic] United States |
| PMID | 29725488 (Publication Type: Journal Article) |
| Chemical References |
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