الفهرس 
Aim of the workOnly 14 pages are availabe for public view
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Abstract
Radiocephalic autogenous arteriovenous fistulas (RCAVFs) are the first choice for the vascular dialysis
Even so, the primary and secondary failure rates of the conventional RC-AVF may be high due to thrombosis and occlusion, failure to mature, and low fistula flow. Primary patency at 1 year is described to be around 58-63% in several studies but varies widely.
The No Touch Technique is a well-established technique within cardiac surgery, that it can be applied for Radio Cephalic Arteriovenous Fistula. There are several differences from conventional fistula surgery in the creation of the fistula: both the vein and the artery are prepared with cushion of surrounding tissue. They are neither distended nor directly manipulated with surgical instruments. The postulated benefit of no touch technique might be that less vein wall damage occurs, preventing intimal hyperplasia that is considered as a major cause for failure. The technique preserves the feeding vessels, reduces the degree of spasm, and the vein remains in a natural constitution until the maturation of the fistula.
The study was included 80 patients with chronic renal failure and prepared for dialysis.
40 patients operated by using no touch technique and the other 40 pateints by conventional technique at vascular surgery unit in department of general surgery, menoufia university hospital ((we used simple random technique (odd number with conventional method &even number with no touch technique) to classify patient in two group.