Topical negative pressure using a drainage pouch without foam dressing for the treatment of undermined pressure ulcers.

Unlabelled: Topical negative pressure is gaining popularity as an acute and chronic wound management technique. In general, foam dressing is applied to the wound surface to maintain negative pressure. Due to the potential for clogging by the foam dressing, topical negative pressure cannot be used when there is a high volume of necrotic tissue or massive infection present.