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Comparing vascular access methods.

D A Ogden

    Transactions - American Society for Artificial Internal Organs
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    For end-stage renal disease (ESRD) patients needing hemodialysis, prosthetic grafts are crucial when natural arteriovenous (AV) fistulas fail. Reinforced PTFE (Gore-Tex) grafts offer a reliable AV access option with longer patency compared to bovine heterografts.

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    Area of Science:

    • Vascular Surgery
    • Nephrology
    • Biomaterials Science

    Background:

    • Adequate arteriovenous (AV) access is critical for long-term survival in patients with end-stage renal disease (ESRD) undergoing maintenance hemodialysis.
    • The traditional Brescia-Cimino AV fistula is the preferred method, but many ESRD patients have compromised vasculature unsuitable for its creation.
    • Prosthetic grafts are necessary when autogenous AV fistulas cannot be surgically created due to inadequate, absent, or thrombosed vessels.

    Purpose of the Study:

    • To compare the efficacy and outcomes of prosthetic grafts used for AV access in ESRD patients.
    • To evaluate the suitability of reinforced Polytetrafluoroethylene (PTFE) grafts (Gore-Tex) versus bovine heterografts for hemodialysis access.
    • To highlight the importance of prosthetic graft selection in managing hemodialysis access in challenging vascular cases.

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    Main Methods:

    • Review of literature comparing outcomes of different prosthetic AV access grafts.
    • Analysis of graft characteristics, including patency rates, complication rates, and healing stimulation.
    • Comparison of reinforced PTFE (Gore-Tex) grafts with bovine heterografts based on physical and physiological properties.

    Main Results:

    • Bovine heterografts are associated with higher primary thrombosis rates and shorter patency durations.
    • Bovine heterografts may stimulate fibroblastic ingrowth in some patients with poor healing tendencies.
    • Reinforced PTFE (Gore-Tex) grafts demonstrate reliability, minimal complications, and longer patency as AV access for hemodialysis.

    Conclusions:

    • Reinforced PTFE (Gore-Tex) grafts are a valuable and reliable prosthetic option for AV access in hemodialysis patients.
    • Gore-Tex grafts offer a longer duration of patency and fewer complications compared to bovine heterografts in many ESRD patients.
    • Graft selection is crucial for optimizing AV access and patient survival in ESRD requiring maintenance hemodialysis.