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Time to Occurrence of Incontinence-Associated Dermatitis: An Experimental Animal Study

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Title: Time to Occurrence of Incontinence-Associated Dermatitis: An Experimental Animal Study
Authors: Duan J, Zhang Y, Yuan D, Wang X, Peng J, Wang J, Liang X, Xu C
Source: Journal of Inflammation Research, Vol Volume 18, Pp 5077-5086 (2025)
Publisher Information: Dove Medical Press, 2025.
Publication Year: 2025
Collection: LCC:Pathology
LCC:Therapeutics. Pharmacology
Subject Terms: animal model, incontinence-associated dermatitis, synthetic feces, inflammatory cytokines, Pathology, RB1-214, Therapeutics. Pharmacology, RM1-950
More Details: Junfang Duan,1,* Yan Zhang,2,* Dajiang Yuan,3 Xiaoru Wang,1 Jian Peng,4 Junli Wang,1 Xiaojuan Liang,1 Chenli Xu1 1Department of Critical Care Medicine, The Second Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China; 2General Surgery, The Second Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China; 3Shanxi Cardiovascular Hospital, Taiyuan, 030024, People’s Republic of China; 4Anhui Institute of Pediatric Research, Anhui Provincial Children’s Hospital, Anhui, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chenli Xu, Department of Critical Care Medicine, Second Hospital of Shanxi Medical University, No. 382 of Wuyi Road, Xinghualing District, Taiyuan, 030001, People’s Republic of China, Tel +8619834513692, Email xuchenli0531@163.comObjective: To establish an animal model of Incontinence-Associated Dermatitis (IAD) and investigate inflammatory factor changes to determine the time frame for IAD onset.Methods: Twenty-eight male SPF mice were randomly assigned to four groups. Gauze soaked in synthetic fecal solution was applied to the dorsal and ear skin. Based on exposure duration, the groups were designated as the normal, 0.5h, 2h, and 4h groups. At the end of the experiment, IAD severity was assessed, and ear edge thickness was measured. Blood was collected via the eyeball, and IL-1α, IL-6, and TNF-α levels were measured using enzyme-linked immunosorbent assay. Hematoxylin and eosin staining of dorsal skin samples was performed to analyze early pathological changes.Results: No moderate to severe IAD was observed in any group. However, ear edge thickness increased significantly after 0.5h. Mild inflammatory cell infiltration was noted in the 0.5h group, with more severe infiltration in the 2h and 4h groups. Inflammatory factor levels were higher in the 0.5h, 2h, and 4h groups than in the normal group.Conclusion: The IAD model established using synthetic fecal exposure effectively facilitates mechanistic research. Skin tissue became loose and edematous, with a significant increase in inflammatory factors within 0.5h. These findings suggest that fecal contamination should be removed within 0.5h to prevent skin damage. Additionally, IL-1α, IL-6, and TNF-α are promising biomarkers for IAD-associated skin injury.Keywords: animal model, Incontinence-associated dermatitis, synthetic feces, inflammatory cytokines
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1178-7031
Relation: https://www.dovepress.com/time-to-occurrence-ofincontinence-associated-dermatitis-an-experimenta-peer-reviewed-fulltext-article-JIR; https://doaj.org/toc/1178-7031
Access URL: https://doaj.org/article/86e5c9eb1b924e9585dbb94660890944
Accession Number: edsdoj.86e5c9eb1b924e9585dbb94660890944
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  Data: Junfang Duan,1,* Yan Zhang,2,* Dajiang Yuan,3 Xiaoru Wang,1 Jian Peng,4 Junli Wang,1 Xiaojuan Liang,1 Chenli Xu1 1Department of Critical Care Medicine, The Second Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China; 2General Surgery, The Second Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China; 3Shanxi Cardiovascular Hospital, Taiyuan, 030024, People’s Republic of China; 4Anhui Institute of Pediatric Research, Anhui Provincial Children’s Hospital, Anhui, People’s Republic of China*These authors contributed equally to this workCorrespondence: Chenli Xu, Department of Critical Care Medicine, Second Hospital of Shanxi Medical University, No. 382 of Wuyi Road, Xinghualing District, Taiyuan, 030001, People’s Republic of China, Tel +8619834513692, Email xuchenli0531@163.comObjective: To establish an animal model of Incontinence-Associated Dermatitis (IAD) and investigate inflammatory factor changes to determine the time frame for IAD onset.Methods: Twenty-eight male SPF mice were randomly assigned to four groups. Gauze soaked in synthetic fecal solution was applied to the dorsal and ear skin. Based on exposure duration, the groups were designated as the normal, 0.5h, 2h, and 4h groups. At the end of the experiment, IAD severity was assessed, and ear edge thickness was measured. Blood was collected via the eyeball, and IL-1α, IL-6, and TNF-α levels were measured using enzyme-linked immunosorbent assay. Hematoxylin and eosin staining of dorsal skin samples was performed to analyze early pathological changes.Results: No moderate to severe IAD was observed in any group. However, ear edge thickness increased significantly after 0.5h. Mild inflammatory cell infiltration was noted in the 0.5h group, with more severe infiltration in the 2h and 4h groups. Inflammatory factor levels were higher in the 0.5h, 2h, and 4h groups than in the normal group.Conclusion: The IAD model established using synthetic fecal exposure effectively facilitates mechanistic research. Skin tissue became loose and edematous, with a significant increase in inflammatory factors within 0.5h. These findings suggest that fecal contamination should be removed within 0.5h to prevent skin damage. Additionally, IL-1α, IL-6, and TNF-α are promising biomarkers for IAD-associated skin injury.Keywords: animal model, Incontinence-associated dermatitis, synthetic feces, inflammatory cytokines
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      – Text: English
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        PageCount: 10
        StartPage: 5077
    Subjects:
      – SubjectFull: animal model
        Type: general
      – SubjectFull: incontinence-associated dermatitis
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      – SubjectFull: synthetic feces
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              Y: 2025
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