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JYMS : Journal of Yeungnam Medical Science

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Kwang Bum Cho 2 Articles
Diagnostic value of serum procalcitonin and C-reactive protein in discriminating between bacterial and nonbacterial colitis: a retrospective study
Jae Yong Lee, So Yeon Lee, Yoo Jin Lee, Jin Wook Lee, Jeong Seok Kim, Ju Yup Lee, Byoung Kuk Jang, Woo Jin Chung, Kwang Bum Cho, Jae Seok Hwang
J Yeungnam Med Sci. 2023;40(4):388-393.   Published online April 3, 2023
DOI: https://doi.org/10.12701/jyms.2023.00059
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  • 60 Download
AbstractAbstract PDF
Background
Differentiating between bacterial and nonbacterial colitis remains a challenge. We aimed to evaluate the value of serum procalcitonin (PCT) and C-reactive protein (CRP) in differentiating between bacterial and nonbacterial colitis.
Methods
Adult patients with three or more episodes of watery diarrhea and colitis symptoms within 14 days of a hospital visit were eligible for this study. The patients’ stool pathogen polymerase chain reaction (PCR) testing results, serum PCT levels, and serum CRP levels were analyzed retrospectively. Patients were divided into bacterial and nonbacterial colitis groups according to their PCR. The laboratory data were compared between the two groups. The area under the receiver operating characteristic curve (AUC) was used to evaluate diagnostic accuracy.
Results
In total, 636 patients were included; 186 in the bacterial colitis group and 450 in the nonbacterial colitis group. In the bacterial colitis group, Clostridium perfringens was the commonest pathogen (n=70), followed by Clostridium difficile toxin B (n=60). The AUC for PCT and CRP was 0.557 and 0.567, respectively, indicating poor discrimination. The sensitivity and specificity for diagnosing bacterial colitis were 54.8% and 52.6% for PCT, and 52.2% and 54.2% for CRP, respectively. Combining PCT and CRP measurements did not increase the discrimination performance (AUC, 0.522; 95% confidence interval, 0.474–0.571).
Conclusion
Neither PCT nor CRP helped discriminate bacterial colitis from nonbacterial colitis.
Co-existence of relapsing polychondritis and Crohn disease treated successfully with infliximab
Hye-In Jung, Hyun Jung Kim, Ji-Min Kim, Ju Yup Lee, Kyung Sik Park, Kwang Bum Cho, Yoo Jin Lee
Yeungnam Univ J Med. 2021;38(1):70-73.   Published online June 19, 2020
DOI: https://doi.org/10.12701/yujm.2020.00304
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  • 1 Crossref
AbstractAbstract PDF
Relapsing polychondritis (RP) is a rare, progressive immune-mediated systemic inflammatory disease of unknown etiology, characterized by recurrent inflammation of cartilaginous structures. Approximately 30% of RP cases are associated with other autoimmune diseases. However, the co-occurrence of RP and Crohn disease (CD) has rarely been reported. Herein, we present a 35-year-old woman diagnosed with RP and CD, who was refractory to initial conventional medications, including azathioprine and glucocorticoid, but who subsequently responded to infliximab (IFX). For both diseases, remission was sustained with IFX. There has been no previous report regarding the successful treatment of co-existing RP and CD with IFX.

Citations

Citations to this article as recorded by  
  • Relapsing Polychondritis in a Patient With Auricular Chondritis and Inflammatory Bowel Disease: A Case Report With Literature Review
    David D Bickford, Thomas Ritter, Pinky Jha, Hari R Paudel
    Cureus.2022;[Epub]     CrossRef

JYMS : Journal of Yeungnam Medical Science