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ORIGINAL ARTICLE
Year : 2017  |  Volume : 9  |  Issue : 6  |  Page : 159-163

Bacteremia and thrombotic complications of temporary hemodialysis catheters: Experience of a single center in Morocco


1 Department of Nephrology Dialysis and Renal Transplantation, Faculty of Medicine, Mohammed V Military Hospital, Mohammed V-Souissi University, Rabat, Morocco
2 Department of Nephrology and Dialysis, 5th Military Hospital, Guelmim, Morocco

Correspondence Address:
Hicham Rafik
Department of Nephrology Dialysis and Renal Transplantation, Mohammed V Military Hospital, Faculty of Medicine, Mohammed V-Souissi University, Rabat
Morocco
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmbs.ijmbs_25_17

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Background: The use of central venous catheters is essential in hemodialysis care, but it is associated with infectious and thrombotic complications. The aim of this study is to determine rates and risk factors of hemodialysis catheter-related bacteremia and thrombotic complications from a Moroccan single center to set prevention policies. Materials and Methods: The trial was designed as a prospective observational study including all patients who required a temporary hemodialysis catheter more than 48 h. Baseline demographic and clinical data including age, sex, causes of kidney failure, comorbidities, indication for insertion, catheter insertion sites, and duration of use were collected. Patients were followed up since the insertion of catheter to its removal. Results: A total of 126 hemodialysis catheters were inserted at different sites in 93 patients for the following reasons: the absence of vascular access in patients with end-stage renal disease in 55 cases (43.65%), vascular access dysfunction or infection in 45 cases (35.71%), and acute kidney injury in 26 (20.63%). During follow-up, 15 catheters (11.9%) were complicated by bacteremia, resulting in a rate of 6.68 per 1000 catheter days. Risk factors associated with catheter-related bacteremia were diabetes (odds ratio [OR] =26.018; P = 0.017) and advanced age (OR = 1.105; P = 0.045). Causative microorganisms were dominated by coagulase-negative staphylococci in 46.66%. Twenty-four thrombotic complications (19.04%) were documented with an incidence of 10.69/1000 catheter-days. Among these complications, 18 were dysfunction of catheter (14.28%, 8.01/1000 catheter-days) and 6 were vein thrombosis (4.76%, 2.67/1000 catheter-days). Lower serum albumin levels was the unique risk factor (OR = 0.801; P = 0.042). Conclusions: Early diagnosis of chronic kidney disease and creation of arteriovenous fistula may lower the incidence of catheter use in hemodialysis.


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