EVALUATION STUDY
JOURNAL ARTICLE
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Placement, performance and complications of the Ash Split Cath hemodialysis catheter.

A tunneled catheter is the alternative vascular access for those patients in need of hemodialysis who cannot undergo dialysis through an arterio-venous fistula or a vascular graft. This study was undertaken to evaluate the performance of the Ash Split Cath, a 14 French chronic hemodialysis catheter with D-shaped lumens and a Dacron cuff. After tunneling through a transcutaneous portion the catheter enters the venous system, where it splits into two separate limbs. Data regarding catheter positioning, function and adequacy of dialysis were collected from two hemodialysis facilities. Twenty-eight Ash-split catheters were placed in 28 patients, with no complications, and immediate technical success was 100%. Patients were followed up for a total of 7,286 catheter days. No catheter-related infections were observed. Only one catheter failed after 15 days, with a primary catheter patency of 96% for the whole study length. Mean blood flow was 303 +/- 20 ml/min at 1 week after insertion, 306 +/- 17 ml/min at 3 months, 299 +/- 44 ml/min at 6 months, and 308 +/- 16 ml/min at 12 months. With a mean dialysis session duration of 234 +/- 25 minutes, adequate dialysis dose was observed for 96% of catheters, as reflected by a mean urea reduction ratio (URR) of 71% +/- 8 or a mean urea kinetic modeling, or Kt/V, value of 1.51 +/- 0.3 during follow up. In conclusion, compared with previous studies we report the best permanent catheter performance, confirming that the Ash-split catheter is a good alternative for vascular access in hemodialysis patients who are not candidates for surgical A-V fistula or graft placement.

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