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Abstract

Biochemical Factors Affecting Thrombosis Development in Permanent Tunneled Hemodialysis Catheter by Helin El-Kilic, Nilufer Bektas, Ahmet I. Balkaya, Ersoy Engin, Hatice Topcu, Hakki K. Cetin, Tolga Demir, Ismail Koramaz

Background: It is critical to clarify the biochemical factors associated with thrombosis development following tunneled dialysis catheter (TDC) insertion.
Methods: The study involved retrospective analysis of charts of patients hospitalized for permanent TDC placement between 2013 and 2020 in a tertiary academic center. Patients undergoing a hemodialysis schedule with permanent TDC for more than three months were included in the study. To determine predictive factors associated with thrombosis development in permanent TDC, patients were assigned to one of two groups, according to the extent of thrombosis. The groups were compared in terms of demographic characteristics, blood test values, complication and length of follow-up period.
Results: A total of 350 patients (204 female, 146 male) were enrolled into the study. In patients with thrombosis the mean BMI was found significantly higher (p = 0.001) and presence of diabetes mellitus was significantly common (p = 0.014). Patients with thrombosis had significantly higher D-dimer (6.5 vs. 2.4 µg/mL, p = 0.001) and procalcitonin levels (4.1 vs. 1.4 ng/mL, p = 0.001). Additionally, patients with thrombosis had a significantly higher rate of infective complications (p = 0.014). Logistic regression analysis revealed that BMI > 30 kg/m2 and infective complications increased thrombosis risk 3.842 and 3.104 times (p = 0.004 and p = 0.038, respectively). Additionally, D-dimer level > 3 µg/mL and procalcitonin level > 2 ng/mL were significantly associated with the development of thrombosis (p = 0.001 and p = 0.007).
Conclusions: The present study demonstrated that the presence of infection, higher BMI > 30 kg/m2, D-dimer level > 3 µg/mL and procalcitonin level > 2 ng/mL were found to increase the incidence of thrombosis.

DOI: 10.7754/Clin.Lab.2022.211215