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Yi Wang,1,2 Wenhui Zhang,1,3 Shourong Liu,1 Fei Wang,1 Qian Huang,1 Er Li,3 Mingli Zhu,4 Jianhua Yu,1,* Jinchuan Shi1,* 1Department of Infection, Affiliated Hangzhou Xixi Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, People’s Republic of China; 2Institute of Hepatology and Epidemiology, Affiliated Hangzhou Xixi Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, People’s Republic of China; 3Department of Nursing, Affiliated Hangzhou Xixi Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, People’s Republic of China; 4Medical Laboratory, Affiliated Hangzhou Xixi Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, People’s Republic of China*These authors contributed equally to this workCorrespondence: Jianhua Yu; Jinchuan Shi, Department of Infection, Affiliated Hangzhou Xixi Hospital, Zhejiang University of Traditional Chinese Medicine, Hangzhou, People’s Republic of China, Email yujhmc@126.com; shijinchuan2008@126.comObjective: Precise prediction of the occurrence of complicated perianal abscesses (PAs) in monkeypox (mpox)-infected patients is important for therapeutic optimization. This study sought to identify risk factors of complicated PA.Methods: A total of 48 patients with mpox infection (PA group, n = 10; non-PA (NPA) group, n = 38) were enrolled in our study, who were hospitalized in Hangzhou Xixi Hospital, China from 29 June to 3 September 2023. The data of demographic characteristics, and clinical symptoms, serum SAA, PCT, CRP, and IL-6 levels were collected by the Electronic Medical Record. The diagnostic values of these biomarkers were assessed using multivariate logistic regression and ROC curve analyses.Results: A decrease in serum IL-6, SAA, and CRP levels (all p-value < 0.05), but not PCT, was observed in all mpox-infected patients. A significant positive correlation was also noted between IL-6, SAA, CRP, and PCT levels (all p-value < 0.05). There was a significant increase in IL-6 and SAA levels and the SAA/CRP ratio in serum samples from patients in the PA group. Multivariate logistic regression and ROC curve analyses identified that the combined use of perianal symptoms and SAA was more sensitive than perianal symptoms or SAA alone as predictors of complicated PA. This combination had the highest predictive value for disease progression, with an AUC of 0.920 (p-value < 0.001).Conclusion: The combination of perianal symptoms and SAA levels was strongly linked to the occurrence of complicated PA in mpox-infected patients. These findings may inform the early diagnosis of this patient population.Keywords: serum amyloid A, perianal symptoms, perianal abscess, mpox-infected patients |
