Objectives: In this study, we aimed to examine the effect of neutrophil/lymphocyte ratio (NLR) in predicting rupture in patients with
abdominal aortic aneurysms (AAA).
Patients and methods: Between March 2014 and September 2017, a total of 42 patients (32 males, 6 females; mean age 66±11.7 years;
range, 57 to 81 years) with an AAA were retrospectively analyzed. The patients were divided into two groups as the ruptured (n=13) and
non-ruptured groups (n=29), and the effects of baseline NLR and computed tomography results on rupture were evaluated.
Results: The mean follow-up was 2.5 (range, 2 to 4) years. The mean abdominal aortic size, neutrophil percentage, and NLR were
significantly higher in the ruptured group, while the mean lymphocyte ratio was significantly lower in the ruptured group. There was a
significant correlation between the abdominal aortic size and NLR. Using the receiver operating characteristics, the NLR was found to be
more sensitive and specific than the abdominal aortic diameter in predicting rupture.
Conclusion: Our study results indicate that abdominal aortic diameter, smoking, and hypertension are the risk factors for rupture of AAAs.
In addition to classical risk factors, NLR is a novel and simple predictor of aortic rupture.
Key words: Aortic rupture, computed tomography, neutrophil/lymphocyte ratio
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