Abstract
BackgroundThis prospective cohort study aims to evaluate the primary and exchanged femoral catheter patency rates, as well as mortality rates and determine the probable risk factors affecting femoral catheter survival.MethodsAll 79 tunneled femoral catheters created in our hospital from 2017 to 2020 were included in this study. Patients having no other means for dialysis access other than the femoral catheter was recruited in this study. Data collected included patient age, sex, comorbidities (diabetes and hypertension), transplant history, dialysis duration, catheter complications, femoral access history, and primary and exchanged femoral patency rates. Patients were followed for 4–36 months.ResultsThe median catheter primary patency was 7 months (95% confidence interval [CI]: 5.77, 8.22) and the primary patency rates at 2, 4 and 6 months were 79%, 68% and 48%, respectively. The median exchanged catheter survival was 8 months (95% CI: 0.83, 15.17) and the exchanged patency rates at 1, 3 and 8 months were 72%, 64% and 32%, respectively. Of the patients (n = 62), 8% (5 patients) died because they had no other option for dialysis access.ConclusionTunneled femoral catheters have a low patency rate and should be the last option for haemodialysis patients when other probable accesses are not available.
Highlights
Vascular access is a crucial requirement when performing haemodialysis
Tunneled femoral vein dialysis catheters for long-term use are associated with poor access patency and increased complication rates, including catheterrelated infection and deep vein thrombosis (DVT)
We report the exchanged patency rate, which is the number of functional days from the time of the catheter exchange to catheter failure or removal
Summary
Vascular access can be of different types: arteriovenous fistulae (AVF), arteriovenous synthetic grafts and deep vein (internal jugular, subclavian, translumbar, and femoral) catheterisation [1–2]. The femoral vein is the choice when the prolonged use of the upper extremities leads to the occlusion of the central veins [3]. Tunneled femoral vein dialysis catheters for long-term use are associated with poor access patency and increased complication rates, including catheterrelated infection and deep vein thrombosis (DVT). Prolonging catheter patency and preventing complications in these patients are essential [4]. This prospective cohort study aims to evaluate the primary and exchanged femoral catheter patency rates, as well as mortality rates, and determine the probable risk factors that may affect femoral catheter survival. This prospective cohort study aims to evaluate the primary and exchanged femoral catheter patency rates, as well as mortality rates and determine the probable risk factors affecting femoral catheter survival
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