OPERATION: Femoral-Popliteal Bypass (Below Knee)
ANAESTHETIC: General / spinal anaesthesia
ANTIBIOTICS: IV antibiotics at induction if prosthetic graft
POSITION: Supine. Leg prepared circumferentially from groin to foot.
INDICATION:
Critical limb ischaemia. Preoperative duplex / CT angiography: SFA occlusion, patent below-knee popliteal artery. Long saphenous vein preferred conduit — confirmed patent and adequate calibre.