Negative pressure wound therapy (NPWT) is used in:
High-Yield Explanation
VACCUM ASSISTED CLOSURE/ NEGATIVE PRESSURE WOUND THERAPY (NPWT) NPWT Promotes wound healing by applying a vacuum through a special sealed dressing. Continued vacuum draws out the fluid from wound & increases blood flow to the area. Vaccum may be applied continuosly or intermittently, depending upon the types of wound being treated & clinical objectives. Negative pressure of -125 mm Hg is used Dressing should be changed 2-3 times/week Primary Effects of NPWT on Wound Healing Macrodeformation Drawing the wound edges together leading to contraction Stablization of wound environment Wound protected from outside micro- organisms in a warm & moist envirnoment Reduced edema With removal of soft tissue exudates Microdeformation Leading to cellular proliferation on the wound surface Contraindications for NPWT Use Malignancy in the wound Untreated osteomyelitis Non-enteric & unexplored fistula Necrotic tissue with eschar