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A comparison of the NiagaraTM and Dolphin® catheters for continuous renal replacement therapy.
MedLine Citation:
PMID:  22183519     Owner:  NLM     Status:  In-Data-Review    
Purpose: The choice of vascular access catheter may affect filter life during continuous renal replacement therapy (CRRT); specifically, a new surface-modified catheter has been reported to possibly prevent thrombosis and catheter malfunction.?Design and setting: A sequential, controlled study in a tertiary ICU. Aims: To compare circuit life when CRRT was performed with a Bard®NiagaraTM catheter or the surface-modified GamCathTM Dolphin® Protect 1320 catheter. Patients and measurements: We studied 50 patients with acute kidney injury requiring CRRT, all delivered with catheters in the femoral position. We obtained information on age, gender, disease severity score (APACHE II and APACHE III), filter life, total heparin dose, hemoglobin concentration, platelet count, INR, and aPTT during CRRT.?Results: We studied 341 circuits in 50 patients; 30 patients (140 circuits) used the Niagara and 20 patients (201 circuits) used the Dolphin catheter. Mean of circuit life in two groups was 14.9 hours and 13.1 hours, respectively (p=0.22). Patients using Niagara catheters had a more prolonged APTT (p<0.01) and lower platelet count (p=0.05), while heparin dose (p=0.22), and other anticoagulant treatment (p=0.73) were not significantly different. On Kaplan-Meier survival analysis, circuit life was not significant different between the two catheters (p=0.15). Conclusions: The Niagara and Dolphin catheters appear to be broadly equivalent in terms of their impact on circuit life.
Inbyung Kim; Nigel Fealy; Ian Baldwin; Rinaldo Bellomo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The International journal of artificial organs     Volume:  34     ISSN:  1724-6040     ISO Abbreviation:  Int J Artif Organs     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7802649     Medline TA:  Int J Artif Organs     Country:  Italy    
Other Details:
Languages:  eng     Pagination:  1061-6     Citation Subset:  IM    
Department of Intensive Care Medicine, Austin Hospital, Melbourne - Australia.
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