Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2021
C-reactive protein/albumin ratio as an indicator of disease activity in Behçet's disease and human leukocyte antigen-B27-associated uveitis.
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Kim Mirinae, Park Young-Gun, Park Young-Hoon
Аннотация
PURPOSE: To explore the role of systemic inflammatory markers as indicators of acute exacerbation of chronic diseases and disease activity in uveitis.
METHODS: This study included 50 patients with Behçet's disease (BD)-associated uveitis and 52 patients with human leukocyte antigen-B27 (HLA-B27)-associated uveitis. Laboratory tests were conducted to measure complete blood count, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), CRP/albumin ratio (CAR), neutrophil to lymphocyte ratio (NLR), and platelet to lymphocyte ratio (PLR) during the uveitis phase and after resolution. The results measured during the two phases were assessed and compared.
RESULTS: The mean age of the participants was 41.4 ± 10.8 years; 68.6% of the patients were male. In both groups, ESR, CRP, and CAR were significantly higher during the uveitic phase (P < .001). However, the white blood cell count, albumin, NLR, and PLR measured during the uveitic phase and after resolution did not vary significantly (P > .05). ESR and CAR were correlated with the severity of intraocular inflammation. The area under the curve (AUC) of CAR, which was used to predict the presence of uveitis, was 0.801 (95% CI, 0.741-0.861); this value is strong compared with those of other inflammatory biomarkers.
CONCLUSIONS: CAR is correlated with the severity of intraocular inflammation in BD- and HLA-B27-associated uveitis. Furthermore, CAR appears to be a useful marker of disease activity for uveitis and is the most sensitive marker for discriminating the presence of acute uveitis in patients who have chronic uveitis as a symptom of BD- and HLA-B27-associated diseases.
METHODS: This study included 50 patients with Behçet's disease (BD)-associated uveitis and 52 patients with human leukocyte antigen-B27 (HLA-B27)-associated uveitis. Laboratory tests were conducted to measure complete blood count, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), CRP/albumin ratio (CAR), neutrophil to lymphocyte ratio (NLR), and platelet to lymphocyte ratio (PLR) during the uveitis phase and after resolution. The results measured during the two phases were assessed and compared.
RESULTS: The mean age of the participants was 41.4 ± 10.8 years; 68.6% of the patients were male. In both groups, ESR, CRP, and CAR were significantly higher during the uveitic phase (P < .001). However, the white blood cell count, albumin, NLR, and PLR measured during the uveitic phase and after resolution did not vary significantly (P > .05). ESR and CAR were correlated with the severity of intraocular inflammation. The area under the curve (AUC) of CAR, which was used to predict the presence of uveitis, was 0.801 (95% CI, 0.741-0.861); this value is strong compared with those of other inflammatory biomarkers.
CONCLUSIONS: CAR is correlated with the severity of intraocular inflammation in BD- and HLA-B27-associated uveitis. Furthermore, CAR appears to be a useful marker of disease activity for uveitis and is the most sensitive marker for discriminating the presence of acute uveitis in patients who have chronic uveitis as a symptom of BD- and HLA-B27-associated diseases.