Successful ultrasonographically guided compression repair of a dialysis fistula pseudoaneurysm.

Synthetic grafts are used as arterio-venous fistulae (shunts) for dialysis therapy of patients with chronic renal insufficiency. Today grafts made of PTFE (polytetrafluorethylene) are commonly used. Grafts with diameter of 6 mm are implanted subcutaneously. In rare cases stenosis or thrombosis cause explantation of the grafts. Our results, obtained on 10 samples taken from surgery or autopsy, revealed that the main causes for graft explantation are destructions and perforations of the graft's wall caused by needle puncturing during dialysis. Single defects of the implants wall ranging from 200-500 micro m, and in some cases up to 1,5 mm are "repaired" by connective tissue. But greater defects cannot be compensated and are insufficiently covered by a network of loose connective tissue. These zones are under the predominated sites for development of false prosthetic aneurysm, which show parallel to posttraumatic aneurysms of vessels. Prosthetic aneurysms up to diameters of 3,2 cm were seen. Suitable choice of puncturing sites and puncturing technique can help to avoid destruction of the synthetic material.

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Aneurysmen in arterioven�sen Kunststoffshunts nach Dialysetherapie

Müller

Schmitz

2003

Der Pathologe

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Successful treatment of a venous pseudoaneurysm in a brachiobasilic fistula using ultrasound-guided manual compression: two case reports

Rahil

2018

J Ultrasound

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A pseudoaneurysm or a false aneurysm is the consequence of a persistent blood leak caused generally by iatrogenic rupture of a vessel wall. In hemodialysis fistula, pseudoaneurysm results from repeated puncturing of the vein at the same site. Surgery and endovascular treatment stay widely used as the treatment of pseudoaneurysm compared to the ultrasound-guided manual compression (UGMC). UGMC is a non-invasive and effective procedure which could be attempted before invasive procedures. We reported two cases of successful treatment of pseudoaneurysm by ultrasound-guided compression. A total thrombosed cavity has been obtained and fistulas could be cannulated in the next session.

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Successful ultrasonographically guided compression repair of a dialysis fistula pseudoaneurysm.

Cited by 2 publications

References 12 publications

Aneurysmen in arterioven�sen Kunststoffshunts nach Dialysetherapie

Aneurysmen in arterioven�sen Kunststoffshunts nach Dialysetherapie

Successful treatment of a venous pseudoaneurysm in a brachiobasilic fistula using ultrasound-guided manual compression: two case reports

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