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  • Title: Reconstruction of the vena cava with the peritoneum: the effect of temporary distal arteriovenous fistula on patency (an experimental study).
    Author: Cekirdekci A, Bayar MK, Yilmaz S, Cihangiroglu M, Ayan E, Duran M, Bakalim T, Kaya D, Gokce O.
    Journal: Eur J Vasc Endovasc Surg; 2004 Jan; 27(1):84-8. PubMed ID: 14652843.
    Abstract:
    OBJECTIVE: To determine the effect of increasing inferior vena cava blood flow by means of distal arteriovenous fistula on the patency of a peritoneal tube graft. MATERIALS AND METHODS: In 16 mongrel dogs, a 3-4 cm long circular defect was created at the infrarenal inferior vena cava. The defect was interposed with peritoneal tube graft. A temporary distal femoro-femoral arteriovenous fistula was also constructed in 8 dogs just after the caval interposition. Graft patency was evaluated by Doppler ultrasonography and angiography. Histological evaluation was also performed. RESULTS: Seven dogs in each group survived. All control grafts occluded within the first week, compared to no occlusions in fistula group (Fisher's exact test, p<0.005). However one 'fistula' dog with a still patent graft was sacrificed on the 18th day due to ultrasonographically occluded arteriovenous fistula. CONCLUSION: In dogs, the peritoneum may be used as graft material for reconstruction of the inferior vena cava, provided a distal arteriovenous fistula is constructed.
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