<prompt> Regarding vascular surgery distal to popliteal artery, which of the following is true?Suture with polypropylene6-0 suture usedNeedle pass from within outwardsAll the above  <response>: Ans. d All of the aboveRef: Bailey 26e p44-45Vascular anastomosis Points: Most critical anastomosis of all tissues in vascular. Needs fine suture and even operating microscope for smaller vessels 20 size is used for Aorta, 40 is used for Femoral artery, 60 for medium sized arteries like Popliteal and tibial arteries. Suture materials commonly used are Prolene, PDS or Dacron. Knots must be secure. The suture needle must always pass from Inside to Outside Intima to outside It must be immediately watertight. No leak must be seen after anastomosis.Remember based on the thickness the suture materials are named as 21020406080Finest material of the above is 80 and thickest is 2 