Adib Khanafer1, Manar Khashram, Dana Mann. 1. MBBS, FRCS, MPhil, FEBVS, Consultant Vascular, Endovascular and Renal Transplant Surgeon, Clinical Senior Lecturer, University of Otago, Vascular and Endovascular Unit, Christchurch Hospital, Christchurch. Adib.Khanafer@cdhb.health.nz.