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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Gefässchirurgie 3 (1998), S. 11-13 
    ISSN: 1434-3932
    Keywords: Schlüsselwörter a.v.-Shunt ; Arterioarterielles Interponat ; Key words Arteriovenous shunt ; Arterio-arterial interposition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract We report on two patients who received arterio-arterial PTFE grafts as vascular access for chronic hemodialysis. In both patients prior surgery for arteriovenous fistulas using either subcutaneous veins or arteriovenous, artificial PTFE grafts had failed due to recurrent thrombosis and septic complications. The arterio-arterial grafts were each positioned as a subcutaneous loop on the thigh and anastomosed with the common femoral artery and the superficial femoral artery or the profunda femoris, respectively. Postoperatively, both patients received coumadine for anticoagulation. Nine months after surgery no complications were observed in the former patient. The latter patient experienced recurrent thrombotic occlusion of the graft and a new graft was required which was anastomosed end-by-end onto the common femoral artery. As yet, 5 months after the second operation, no further complications have been reported. In conclusion, in patients lacking suitable veins for arterio-venous anastomoses, artificial arterio-arterial grafts may provide vascular access for chronic hemodialysis.
    Notes: Zusammenfassung Bei 2 Patienten bestand nach Ausnutzung der subcutanen Venen sowie verschiedener Möglichkeiten a.v.-Interponate erneut der Bedarf eines Dialysezugangs. Es erfolgte die Anlage eines arterioarteriellen Interponats (PTFE) als Schlinge am Oberschenkel zwischen der A. femoralis communis und der A. profunda femoris bzw. A. femoralis superficialis. Beide Patienten wurden postoperativ antikoaguliert. Das Interponat im Bereich der A. femoralis superficialis funktioniert neun Monate nach Anlage unproblematisch. Bei dem Interponat zur A. profunda femoris kam es wiederholt zum Verschluß, so daß nach 6 Monaten an der gleichen Extremität ein neues Interponat terminoterminal im Bereich der A. femoralis communis angelegt wurde. Diese neue Interponat wird fünf Monate nach Anlage problemlos für die Dialyse genutzt. Arterioarterielle Protheseninterpositionen als Dialysezugänge können somit bei nicht geeigneter venöser Abflußbahn für die chronische Dialyse genutzt werden.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Transplant international 13 (2000), S. 372-378 
    ISSN: 1432-2277
    Keywords: Key words Liver transplantation ; Arterial complications
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract From September 1988 through April 1998, 1000 liver transplantations were performed on 911 patients. During the postoperative control examinations of 837 patients, we found 23 (2.74 %) with hepatic artery thromboses, 27 stenoses of the hepatic artery (3.22 %), and 6 aneurysms of the graft artery. Seventeen patients underwent retransplantation because of arterial complications. Depending on the clinical symptoms, we treated both the local situation as well as the resulting complications of inadequate arterial graft flow. The aneurysms were primarily treated surgically. The first choice of treatment of stenoses was balloon angioplasty. Early postoperative artery thromboses were also treated surgically by thrombectomy in selected cases. For the resulting biliary and local septic complications we preferred endoscopic and drainage procedures. Our clinical experiences have led us to find pretransplantation angiography recommendable, especially in the case of splanchnic artery stenoses, for bypassing from the aorta for arterial perfusion of the graft.
    Type of Medium: Electronic Resource
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