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Review
. 2019 Sep-Oct;10(5):845-848.
doi: 10.1016/j.jcot.2019.06.015. Epub 2019 Jun 20.

Vacuum assisted closure (VAC)/negative pressure wound therapy (NPWT) for difficult wounds: A review

Pawan Agarwal  1 , Rajeev Kukrele  2 , Dhananjaya Sharma  2
Affiliations
Review

Vacuum assisted closure (VAC)/negative pressure wound therapy (NPWT) for difficult wounds: A review

Pawan Agarwal et al. J Clin Orthop Trauma. 2019 Sep-Oct.

Abstract

Delayed wound healing particularly in difficult wounds and in elderly with co morbidities is a major concern. It leads to the pain, morbidity, prolonged treatment, and require major reconstructive surgery which imposes enormous social and financial burden. Vacuum-assisted closure (VAC) is an alternative method of wound management, which uses the negative pressure to prepare the wound for spontaneous healing or by lesser reconstructive options. Method of VAC application includes thorough debridement, adequate haemostasis and application of sterile foams dressing. A fenestrated tube is embedded in the foam and wound is sealed with adhesive tape to make it air tight. The fenestrate tube is connected to a vacuum pump with fluid collection container. The machine delivers continuous or intermittent suction, ranging from 50 to 125 mmHg. The VAC dressings are changed on 3rd day. Negative pressure therapy stabilizes the wound environment, reduces wound edema/bacterial load, improves tissue perfusion, and stimulates granulation tissue and angiogenesis. All this improves the possibility of primary closure of wounds and reduce the need for plastic procedures. VAC therapy appears to be a simple and more effective than conventional dressings for the management of difficult wound in terms of reduction in wound volume, depth, treatment duration and cost.

Keywords: (NPWT); (VAC); Difficult wounds; Negative pressure wound therapy; Sub-atmospheric pressure dressing; Vacuum assisted closure.

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Figures

Fig. 1
Fig. 1
Locally available material to assemble VAC dressing.
Fig. 2
Fig. 2
Pre operative wound following crush injury to foot.
Fig. 3
Fig. 3
Indigenously made VAC in place.
Fig. 4
Fig. 4
Post VAC wound after two sessions.
See this image and copyright information in PMC

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