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Titolo Increased Hemodialysis Catheter Use in Canada and Associated Mortality Risk: Data from the Canadian Organ Replacement Registry 2001-2004
Autore Louise M. Moist,* Lilyanna Trpeski,† Yingbo Na,† and Charmaine E. Lok± *Division of Nephrology, London Health Sciences Center and the University of Western, Ontario, London, Ontario, Canada; †Canadian Institute of Health Information and Canadian Organ Replacement Registry, Toronto, Ontario; and ±Division of Nephrology, Department of Medicine, Toronto General Hospital, Toronto, Ontario, Canada
Referenza Clin J Am Soc Nephrol 2008; 3: 1726-1732 doi: 10.2215/CJN.01240308
Contenuto Background and objectives: The 1999 Canadian vascular access guidelines recommend the fistula as the access of choice. The study describes the trends in hemodialysis access use, variation among provinces, and the association with mortality from 2001 to 2004. Design, setting, participants and measurements: An observational study of adult patients registered in Canadian Organ Replacement Registry on hemodialysis. Access trends were examined among incident and prevalent hemodialysis patients adjusted for age, sex, body mass index, late referral, race, smoking status, province, etiology of end-stage renal disease, and comorbidities. Cox proportional hazard regression analysis was used to analyze risk for death for patients followed to December 31, 2005. Results: From 2001 to 2004, incident catheter use increased from 76.8% to 79.1%, fistulas decreased from 21.6% to 18.6%, and grafts remained between 2.1% to 2.6%. Prevalent catheter use increased from 41.8% to 51.7%, and fistulas and grafts decreased from 46.8% to 41.6% and 11.4% to 6.7%, respectively. There was significant variation in incident and prevalent fistulae use among the provinces. Adjustment for differences in patient characteristics did not change these trends. Incident catheter use was associated with a 6 times greater risk of death compared with fistula or graft use combined. Conclusions: In Canada there has been a decrease in fistulae and grafts with a subsequent increase in catheters that is not explained by changes in patient characteristics. Vascular access use varied by province, suggesting differences in practice patterns. Because incident catheter use was associated with increased mortality, urgent measures are needed to develop strategies to decrease catheter use.
Data 19.11.2008
 
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