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1. What are the benefits of NPWT? NPWT allows for the stimulation of growth factors, makes it easier to manage the exudates, allows for the reduction in nursing care and it reduces pain because the dressings are not changed as frequently. NPWT promotes improvement in a wound in volume and area, making it smaller in stages, resulting in a more manageable, cleaner wound.1 2. When is NPWT most effective? NPWT works best with a wound that is debrided, clean, and free of malignancies. In our experience, NPWT is particularly effective with clean traumatic wounds, large wounds, deep and tunneling wounds. 3. Why is gauze a cost effective, quicker and less painful NPWT dressing? Gauze is easily available and is much less costly than foam-based dressings. Plus, it is easy to use for nurses and home care patients and lessens the problem of cutting and sizing foam-based dressings. Because there is less cutting and sizing to fill the wound, gauze is faster, saves time and lessens the likelihood of pain and tissue disturbance with dressing removal. With non-gauzed-based NPWT systems, there are documented reports of excessive pain, need for pain medications, and dressing in-growth into tissue.2-5 4. What is the benefit of a non-contact dressing layer? When should a non-contact dressing be added? Non-contact dressings are useful with patients who are sensitive to pain during NPWT dressing. Foam-based dressings are more painful than gauze, because there is no contact layer involved. 5. What are the advantages of wall suction for NPWT? Clinical reports have demonstrated wall suction with gauze is at least as effective as VAC NPWT with respect to changes in wound volume and surface area, while decreasing pain per dressing change and pain medications required. The paper was presented by Lawrence J. Gottlieb, MD, et al at the American Association of Plastic Surgeons, 88th Annual Meeting and Symposium, March 21-25, 2009 at the Westin Mission Hills Resort & Spa ~ Rancho Mirage, California. 6. What is the Ohio Medical TruSeal Link™ and how does it enhance NPWT therapy? The MoblVac® pump system allows for adjustable pressure settings and also provides one of the highest flow rates available in wound care. This high flow rate (irrespective of pressure settings- mmHG) provides faster evacuation of air within the wound cavity, creating a quicker seal. MoblVac® with TruSeal™ Link produces high flow rates which may create a quicker seal and overcome small peripheral leaks, therefore improving patient care, saving nursing time, and money. *These questions and answers reflect the clinical experiences and opinions of Medical Advisory Board and are not to be considered instructions for use of any Ohio Medical product. Please contact us with additional questions. References: 1. Long, M.A.; Blevins, A: Options in Negative Pressure Wound Therapy, J Wound Ostomy Continence Nurs. 2009, 36(2):202-211. 2. Caniano, D.A., Wound Management with vacuum-assisted closure: experience in 51 pediatric patients, Journal of Pediatric Surgery, January, 2005 3. Krasner DL. Managing wound pain in patients with vacuum-assisted closure devices. Ostomy Wound Manage. 2002;48(5):38-43 4. FDA Produced Video Safety Alert "Preventing Bleeding with Vacuum-assisted Wound Closure" http://www.connectlive.com/events/fdatv/fda-show45-seg5-150k.asx 5. Malli, Keep a Close Eye on Vacuum Assisted Wound Closure, Device Safety, November, 200 |
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