Pulsatile Flushing Technique in Reducing Blockage of T-CVAD for Haemodialysis Patients

This study investigates the effectiveness of pulsatile flushing techniques in reducing blockage in Tunnelled Central Venous Access Device (T-CVAD) among patients undergoing haemodialysis (HD) treatment at multiple renal centres within the Hospital Authority (HA) in Hong Kong. With limitation in single service protocol for each cluster of renal units, it is designed as a prospective, parallel, cluster non-randomised controlled trial involving 591 patients from 14 renal units. In order to identify the most effective flushing technique for T-CVAD maintenance, survival analysis on clinical effectiveness, in terms time-to-event blockage of the T-CVAD, among three trial arms: 1) Intervention Group A (IG-A) using pulsatile flushing technique with 0.4 second pause time interval; 2) Intervention Group B (IG-B) using pulsatile flushing technique with 1 second pause time interval; 3) Control Group (Con) using standard bolus flushing technique. The findings facilitate development of best practice for T-CVAD maintenance, optimise T-CVAD maintenance protocols, and ultimately improve patient outcomes. This groundbreaking study is expected to signify substantial progression in the nursing management of HD and T-CVAD.

This description comes directly from the study's public registry record.

SUNG Ka Ming Dorothy, KCC NC (Renal Care)  ·  852-3506  ·  bskmd01@ha.org.hk

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