Roger K Haddad

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OBJECTIVES To compare the outcome of the one-stage basilic vein transposition (BVT) fistula with a modified, two-stage technique. DESIGN Retrospective case-controlled study, performed in an academic centre. MATERIAL A total of 173 candidates for BVT fistula (87 males, mean age 61 years). METHODS In one-stage BVT, the basilic vein is mobilised through(More)
Changes in EEG and susceptibility to electrically induced seizures were examined in the ferret with lissencephaly produced by exposure to a single injection of methylazoxymethanol acetate (MAM Ac) given to the pregnant jill on gestation day 32. Ten lissencephalic and 11 normal ferrets were chronically implanted with 14 cortical stainless steel electrodes.(More)
A behavioral profile of the ferret is presented for those who would like to use this animal in behavioral teratology and toxicology, or other disciplines involving behavior. We have reviewed neurobehavioral teratology of lisencephalic ferrets and neuropsychology of ferrets sustaining frontal lesions, as well as most of the studies of "normal" ferret(More)
Pregnant Long-Evans rats were given a single i.p. injection of 30 mg/kg of methylazoxymethanol (MAM) acetate or saline on day 14 of gestation (vaginal plug = day 0). All litters were reduced to 8 at birth and were reared by their biological dams. Between 49-192 days of age all offspring were examined on open-field, figure-8 (at two different ages), and(More)
Rats with bilateral anterior and posterior hippocampal lesions (APH), anterior hippocampal lesions (AH), and controls were trained on CRF for water, and then switched to FR-20. Both hippocampal groups adapted more readily than controls to the FR-20 schedule and maintained significantly higher rates for 45 days. There were no significant differences on FR-20(More)
OBJECTIVE The aim of the present study was to determine the effect of an aggressive graft surveillance and endovascular treatment protocol on secondary patency rates of a polyetherurethaneurea vascular access graft, specially designed to provide early access and rapid hemostasis. METHODS One hundred and ninety Vectra Vascular Access Grafts (C. R. Bard,(More)
The purpose of this study is to compare infection, pseudoaneurysm formation and patency rates during long-term follow-up of polyurethane and polytetrafluoroethylene (PTFE) vascular access grafts maintained with contemporary endovascular methods. During a 34-month period, 239 polyurethane and 125 carbon-impregnated PTFE vascular access grafts were placed in(More)