What is the proper procedure for changing a sterile dressing on a surgical wound?

Sterile dressing changes follow specific aseptic technique: (1) Hand hygiene, gather supplies, explain procedure to client, position appropriately; (2) Don clean gloves; remove old dressing carefully (note drainage, odor, intact ness); discard in appropriate container; remove gloves; perform hand hygiene; (3) Assess wound: size, location, color (red/yellow/black indicates healing/slough/necrotic), drainage, periwound skin, signs of infection (redness, warmth, pain, purulent drainage, odor); (4) Set up sterile field on clean, dry surface above waist level; (5) Don sterile gloves (or use sterile technique with no-touch method); (6) Clean wound from least contaminated to most contaminated (clean wound: center outward in concentric circles or strokes from top to bottom; contaminated wound: outside in); use each gauze once; clean with normal saline or prescribed solution; (7) Apply sterile dressing per orders (gauze, transparent film, hydrocolloid, etc.); (8) Secure with tape; document wound assessment, procedure, client tolerance. Maintain sterility — sterile to sterile, anything that touches non-sterile becomes non-sterile, sterile field at waist level minimum, keep within sight at all times.