Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV
Mostafa, M., Salem, M., Ibrahim, A., Ahmad, A. (2024). Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV. EKB Journal Management System, 5(2), 150-163. doi: 10.21608/ejmr.2022.157365.1266
Mona Megahed Mostafa; Mohammed Nabil Salem; Asmaa Fathelbab Ibrahim; Asmaa Mohamad Ahmad. "Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV". EKB Journal Management System, 5, 2, 2024, 150-163. doi: 10.21608/ejmr.2022.157365.1266
Mostafa, M., Salem, M., Ibrahim, A., Ahmad, A. (2024). 'Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV', EKB Journal Management System, 5(2), pp. 150-163. doi: 10.21608/ejmr.2022.157365.1266
Mostafa, M., Salem, M., Ibrahim, A., Ahmad, A. Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV. EKB Journal Management System, 2024; 5(2): 150-163. doi: 10.21608/ejmr.2022.157365.1266

Serum myeloperoxidase level as A marker of activity in patients with systemic lupus erythematosus with lupus nephritis class III and IV

Egyptian Journal of Medical Research
Volume 5, Issue 2, April 2024, Page 150-163  XML PDF (527.43 K)
Document Type: Original Article
DOI: 10.21608/ejmr.2022.157365.1266
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Authors
Mona Megahed Mostafa email 1; Mohammed Nabil Salem2; Asmaa Fathelbab Ibrahim3; Asmaa Mohamad Ahmad2
1Resident of internal medicine, Beni-Suef University Hospital, Beni-Suef, Egypt.
2Internal medicine department, Beni-Suef University Hospital, Beni-Suef University, Egypt.
3Clinical and chemical pathology department, Faculty of medicine, Beni-Suef University, Egypt.
Abstract
Aim: The aim of the study was to assess serum levels of MPO in lupus nephritis class III and IV patients and their relationship with disease activity parameters.Methods: Forty patients with Systemic Lupus Erythematosus (SLE) and forty healthy controls were investigated in this study diagnosed according to European league against rheumatism &American colleague of rheumatology 2019(EULAR/ ACR) Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) and laboratory parameters, including erythrocyte sedimentation rate, ANA, anti-ds DNA antibody, complement 3, complement 4 levels and CRP were analyzed. The serum myeloperoxidase (MPO) was determined using enzyme-linked immunosorbent assay. Results: The mean Anti ds DNA, complement 3&4, ESR, and ANA titer were significantly higher among cases than controls. The mean myeloperoxidase marker was significantly higher among cases than controls (p value <0.001*). Serum myeloperoxidase had a significant role in prediction of lupus nephritis at a cut off more than 178.5; it can predict the LN with 80% sensitivity, 50% specificity, 61.5% PPV and 71.4% NPV. The A/C ratio seemed to be highly predictor for LN than the serum myeloperoxidase as at a cut off more than 30, it can predict the LN with 100% sensitivity, 97.5% specificity, 97.6% PPV and 100% NPV. Conclusion:   This study suggests a good correlation between MPO and SLE disease activity index indicating its direct involvement in inflammatory conditions associated with disease.
Keywords
Myeloperoxidase; SLE; SLEDAI; EULAR/ ACR
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