My patient has a wound vac to a dehisced abdominal wound. It's been a week already and the wound is healing well. It's approx 10 x 2 x 1 cm with no s/s of infection and scant serosanguinous drainage. When should I discontinue Vac therapy? My pt is on hospice and not a candidate for wound closure with sutures. Also what dressing would you recommend if Vac is discontinued?