Association of C-Reactive Protein-to-Albumin Ratio With the Presence and Progression of Abdominal Aortic Aneurysm
Sinan Çerşit, Lütfi Öcal, Muhammed Keskin, Mustafa Ozan Gürsoy, Macit Kalçık, Emrah Bayam, Ahmet Karaduman, Samet Uysal, Abdülkadir Uslu, Ayhan Küp, Seçkin Dereli, Uğur Arslantaş, Mehmet Muhsin Türkmen
Abstract
Aortic dilatation due to inflammation may lead to an increase in C-reactive protein (CRP) levels. We investigated the possible relationship between CRP-to-albumin ratio (CAR) and presence and progression of abdominal aortic aneurysms (AAAs). The study included 150 patients previously diagnosed with AAA (diameter 40-54 mm) and 100 normal controls. Clinical and laboratory parameters and maximal cross-sectional AAA diameters (measured by computed tomography angiography) were obtained from all participants at baseline assessment as well as after 1 year for those with an AAA. The patients with AAA had significantly higher serum CAR compared with controls at baseline (P < .001). Increased serum CAR was found to be an independent predictor of the presence of AAA (odds ratio: 3.162, 95% CI: 1.690-5.126, P = .001) after multivariate logistic regression analysis. There was a significant increase in aortic diameter and CAR after 1 year in the patients with AAA ( P < .001; P = .003); a significant correlation was found between changes in the diameter of AAAs and CAR ( r = 0.414; P = .005). Serum CAR may be useful as an inflammatory biomarker for the presence and progression of AAA.