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Experience with the Hemasite vascular prosthesis.

B Viron¹, B Lukacs, C Michel

¹Services de Néphrologie A, Hopital Tenon, Paris.

Artificial Organs

|April 1, 1989

Summary

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The Hemasite vascular access device shows promise for hemodialysis patients with failed previous accesses. This no-needle device reduced the need for surgical interventions, despite experiencing thromboses.

Area of Science:

Nephrology
Vascular Surgery

Background:

Patients undergoing hemodialysis often experience vascular access failures.
Repeated failures necessitate frequent surgical interventions, increasing patient morbidity.

Purpose of the Study:

To evaluate the 3-year clinical experience with the no-needle Hemasite vascular prosthesis in hemodialysis patients.
To assess the efficacy of Hemasite in reducing surgical interventions for vascular access.

Main Methods:

A cohort of 10 hemodialysis patients with a history of multiple vascular access failures received Hemasite implants.
Follow-up included monitoring for thromboses, interventions (urokinase infusion, thrombectomy, surgery), and calculating intervention rates.

Main Results:

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Over 182 months of follow-up, 30 thromboses occurred in 9 of 10 patients not on antiplatelet therapy.

Hemasite required declotting 12 times with urokinase and 12 times via thrombectomy.

The rate of surgical intervention decreased significantly from 0.18 to 0.027 interventions per patient per month post-implantation.

Conclusions:

The Hemasite no-needle vascular prosthesis can be a viable option for hemodialysis patients with challenging vascular access.
Implantation of Hemasite led to a substantial reduction in the rate of surgical interventions required for access maintenance.