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KMID : 1084220230300040260
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Journal of Rheumatic Diseases
2023 Volume.30 No. 4 p.260 ~ p.267
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Hepatic steatosis index at diagnosis has the potential for forecasting end-stage kidney disease in patients with antineutrophil cytoplasmic antibody-associated vasculitis
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Choi Hyun-Joon
Park Pil-Gyu
Park Yong-Beom
Huh Ji-Hye
Lee Sang-Won
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Abstract
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Objective: This study evaluated whether the hepatic steatosis index (HSI) at antineutrophil cytoplasmic antibody-associated vasculitis (AAV) diagnosis could forecast poor outcomes during the disease course in AAV patients.
Methods: This study included 260 AAV patients. The equation for HSI is as follows: HSI=8×(alanine aminotransferase/aspartate aminotransferase)+body mass index+(2, diabetes mellitus)+(2, female). The cut-off of HSI was obtained using the receiver operating characteristic curve.
Results: The median age of the 260 patients was 59.5 years, and 65.0% were female. Among the continuous variables excluding the parameters composing the equation for HSI, HSI was significantly correlated with Birmingham vasculitis activity score, fivefactor score, haemoglobin, blood urea nitrogen, serum creatinine, and total cholesterol. Among poor outcomes, the area under the curve of HSI for end-stage renal disease (ESRD) was significant, and the cut-off of HSI for ESRD was set at ≤30.82. AAV patients with HSI ≤30.82 exhibited a significantly higher risk of ESRD (relative risk 3.489) and a significantly lower cumulative ESRD-free survival rate than those with HSI >30.82.
Conclusion: This study is the first to demonstrate that HSI at AAV diagnosis could forecast ESRD during the disease course in AAV patients.
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KEYWORD
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Hepatic steatosis index, End-stage renal disease, Antineutrophil cytoplasmic antibody, Vasculitis, Forecasting
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