{"id":1283,"date":"2026-08-16T14:00:00","date_gmt":"2026-08-16T11:00:00","guid":{"rendered":"https:\/\/demo.rankmedya.net\/EmreOzker\/?p=1016"},"modified":"2026-09-14T13:19:27","modified_gmt":"2026-09-14T10:19:27","slug":"negative-pressure-wound-therapy-vac","status":"publish","type":"post","link":"https:\/\/www.emreozker.com\/en\/negative-pressure-wound-therapy-vac\/","title":{"rendered":"What Is Negative Pressure Wound Therapy (VAC)?"},"content":{"rendered":"

Negative pressure wound therapy<\/strong> is a treatment that applies controlled suction to a wound through a special foam dressing and an airtight cover. It is also known as VAC therapy. By removing excess fluid, reducing edema and supporting new tissue formation, it can contribute to wound healing.<\/p>\n

What Is Negative Pressure Wound Therapy?<\/h2>\n

The method is based on creating controlled pressure below atmospheric pressure at the wound surface. A specially designed foam is cut to fit the wound cavity, covered with a transparent airtight film and connected to a vacuum device through a tubing system.<\/p>\n

When the device starts working, excess fluid from the wound is collected in a canister. At the same time, the wound edges are gently drawn toward one another and mechanical stimulation is created in the tissue. This stimulation can support new blood vessel formation and the development of granulation tissue.<\/p>\n

How Does It Work?<\/h2>\n
    \n
  • Removes excess fluid and inflammatory material from the wound<\/li>\n
  • Reduces tissue edema and helps facilitate blood flow to cells<\/li>\n
  • Draws the wound edges closer together and reduces wound surface area<\/li>\n
  • Supports new blood vessel formation and granulation tissue development<\/li>\n
  • May help reduce the bacterial burden on the wound surface<\/li>\n
  • Protects the wound by isolating it from the external environment<\/li>\n
  • Can reduce dressing-change frequency and improve patient comfort<\/li>\n<\/ul>\n

    Which Wounds Can It Be Used For?<\/h2>\n
      \n
    • Diabetic foot ulcers<\/li>\n
    • Pressure ulcers (decubitus ulcers)<\/li>\n
    • Postoperative wounds that have opened and failed to heal<\/li>\n
    • Traumatic wounds with tissue loss<\/li>\n
    • Deep, exudative burn wounds<\/li>\n
    • Preparing the wound bed before skin grafting<\/li>\n
    • Helping secure a graft after skin grafting<\/li>\n
    • Temporary closure in abdominal wall dehiscence<\/li>\n<\/ul>\n

      Treatment is usually started after the wound bed has been cleaned by debridement. It is not sufficient on its own when a wound remains covered by dead tissue.<\/p>\n

      When Is It Not Appropriate?<\/h2>\n
        \n
      • Extensive dead tissue in the wound bed<\/li>\n
      • Untreated bone infection<\/li>\n
      • Exposed blood vessels or organs at the wound base<\/li>\n
      • Untreated malignant wounds<\/li>\n
      • Active, uncontrolled bleeding<\/li>\n
      • Severely ischemic wounds with markedly impaired circulation<\/li>\n
      • Known hypersensitivity to the materials used<\/li>\n<\/ul>\n

        Some of these conditions do not permanently prevent treatment; therapy may become possible after the underlying problem has been corrected.<\/p>\n

        How Is the Treatment Applied?<\/h2>\n

        Before treatment, the wound is evaluated in detail and debridement is performed if necessary. The foam is cut to the size of the wound while avoiding unnecessary contact with healthy surrounding skin. After the airtight film is applied, the system is connected to the device and operated at the pressure level prescribed by the physician.<\/p>\n

        The foam is generally changed every two to three days, although this interval may be shorter in infected wounds. The wound is reassessed at every dressing change to determine whether treatment should continue.<\/p>\n

        Treatment duration varies according to the wound. The goal is to prepare the wound bed for closure or to achieve sufficient healthy tissue development.<\/p>\n

        What Should Be Monitored During Treatment?<\/h2>\n
          \n
        • Do not ignore device alarms; they commonly indicate an air leak or a full canister<\/li>\n
        • Report any lifting or opening at the edges of the adhesive film<\/li>\n
        • Do not allow the device to remain switched off for prolonged periods<\/li>\n
        • Report sudden changes in the color or amount of fluid entering the canister<\/li>\n
        • Seek medical attention promptly if pain increases or fever or foul odor develops<\/li>\n
        • Make sure the connecting tube does not become kinked<\/li>\n
        • If using a portable device, check its battery level regularly<\/li>\n<\/ul>\n

          Expected Results<\/h2>\n

          In appropriately selected patients, negative pressure wound therapy can help prepare the wound bed and support the healing process. However, it is not a stand-alone treatment; it is one component of comprehensive wound management. If factors such as poor circulation, infection, malnutrition or uncontrolled blood glucose are not addressed, the expected response may not be achieved. Outcomes vary from patient to patient.<\/p>\n

          Specialist Evaluation for VAC Therapy<\/h2>\n

          The success of negative pressure wound therapy depends on appropriate patient selection and timing. Prof. Dr. Emre \u00d6zker<\/strong> evaluates wound perfusion, infection burden and tissue viability before using this method and plans treatment together with debridement, nutritional support and control of the underlying disease.<\/p>\n

          Foam and Pressure Options<\/h2>\n

          The type of foam used is selected according to the characteristics of the wound. Porous black foam provides stronger stimulation of granulation tissue, while white foam is softer and may be preferred in sensitive areas. Silver-containing options can be considered in wounds with a high bacterial burden.<\/p>\n

          The pressure level is not fixed either. It is adjusted according to wound type, pain tolerance and circulation. Therapy may be delivered continuously or intermittently; intermittent mode may increase tissue stimulation in some wounds, while continuous mode may be more comfortable for sensitive patients.<\/p>\n

          Instillation Therapy<\/h2>\n

          In some wounds, systems can combine vacuum therapy with periodic irrigation of the wound surface using a solution. This approach is intended to support wound-bed cleansing, particularly in wounds with a high bacterial burden and extensive nonviable tissue.<\/p>\n

          The solution is allowed to remain in the wound cavity for a defined period, after which vacuum is activated to remove it. Whether this method can be used depends on wound characteristics and available equipment.<\/p>\n

          Common Problems and Solutions<\/h2>\n
            \n
          • Leak alarm:<\/strong> Usually caused by an opening at the edge of the film and may be corrected with an additional adhesive strip<\/li>\n
          • Foam sticking to the wound:<\/strong> Can occur if the device remains off too long; the foam may be moistened during removal<\/li>\n
          • Increased pain:<\/strong> The pressure setting or foam type should be reviewed<\/li>\n
          • Irritation of the surrounding skin:<\/strong> Barrier products can be used and the film application should be reassessed<\/li>\n
          • Blood entering the canister:<\/strong> Treatment should be stopped and the wound evaluated<\/li>\n
          • Foul odor:<\/strong> Requires assessment for infection<\/li>\n<\/ul>\n

            Most of these issues are easily managed when recognized early. Patients and caregivers should therefore understand how the device works.<\/p>\n

            Use Together with Other Treatments<\/h2>\n

            Negative pressure wound therapy is generally not used as an isolated treatment. It is often started after debridement, combined with treatment to restore circulation and used to prepare the wound bed before skin grafting or tissue-equivalent applications.<\/p>\n

            It may also be used for a short period after grafting to help keep the graft in place. This can reduce fluid accumulation beneath the graft and limit movement.<\/p>\n

            When Is Treatment Stopped?<\/h2>\n

            This treatment is not continued indefinitely. It is stopped when the wound bed has filled with granulation tissue, is ready for closure or fails to show the expected response.<\/p>\n

            If measurable improvement is not seen after an appropriate period, circulation, infection, nutrition and the underlying disease should be reassessed. Continuing negative pressure therapy alone will not solve an unresolved underlying problem.<\/p>\n

            Cost and Accessibility<\/h2>\n

            Negative pressure wound therapy requires a device and disposable supplies and therefore costs more than conventional dressings. However, total cost may be balanced when dressing changes are less frequent, hospital stay is shortened or healing progresses more efficiently.<\/p>\n

            The expected benefit, estimated treatment duration and the patient’s circumstances are considered together when deciding whether to use the method. Applying it to an unsuitable wound bed is unlikely to help and may create unnecessary expense.<\/p>\n

            Educating the Patient and Caregiver<\/h2>\n

            Successful treatment depends on the patient and caregiver understanding the process. Education should clearly cover how the device works, what alarms mean, canister management, activity limitations and when the healthcare team should be contacted.<\/p>\n

            For treatment continued at home, it is particularly important to emphasize that the device should not remain switched off for long periods. Good education allows problems to be identified early.<\/p>\n

            Frequently Asked Questions<\/h2>\n

            Is VAC therapy painful?<\/h3>\n

            Most patients describe a mild pulling sensation while the device is operating. Discomfort is more common during foam changes, so pain medication may be given beforehand when needed.<\/p>\n

            How long does treatment last?<\/h3>\n

            Duration depends on wound size and response. A few weeks may be sufficient for some wounds, while others require longer treatment.<\/p>\n

            Can I move around with the device?<\/h3>\n

            Portable devices allow many patients to continue much of their daily routine. Mobility depends on wound location and general health.<\/p>\n

            What should I do if the device stops?<\/h3>\n

            If the system remains off for too long, the foam may adhere to the wound and infection risk can increase. The healthcare team should be contacted promptly.<\/p>\n

            Can it be used at home?<\/h3>\n

            Yes, treatment can continue at home in appropriately selected patients. Foam changes should be performed by trained healthcare personnel and regular follow-up should continue.<\/p>\n

            The device makes noise. Will it affect my sleep?<\/h3>\n

            The devices usually operate at a low noise level. A clear increase in noise may indicate a leak, obstruction or another technical issue.<\/p>\n

            Can I shower?<\/h3>\n

            This depends on the device model and wound location. Because the system is sealed, brief disconnection may be possible in selected cases, but this should be decided by your healthcare team.<\/p>\n

            What should I do when the canister is full?<\/h3>\n

            Canister replacement should be performed according to the device instructions and care plan, often by healthcare personnel. The device usually alarms when the canister is full and the warning should not be ignored.<\/p>\n

            Can I drive during treatment?<\/h3>\n

            It may be possible for patients using a portable device if their general condition allows. The decision depends on wound location and individual circumstances.<\/p>\n

            What happens if the tubing gets trapped in bed?<\/h3>\n

            Kinking or compression of the tubing can interrupt suction and trigger an alarm. The bed and tubing should be arranged to prevent this.<\/p>\n","protected":false},"excerpt":{"rendered":"

            Negative pressure wound therapy is a treatment that applies controlled suction to a wound through a special foam dressing and an airtight cover. It is also known as VAC therapy. By removing excess fluid, reducing edema and supporting new tissue formation, it can contribute to wound healing. What Is Negative Pressure Wound Therapy? The method […]<\/p>\n","protected":false},"author":1,"featured_media":1347,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operasyonlar"],"_links":{"self":[{"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/posts\/1283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/comments?post=1283"}],"version-history":[{"count":2,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/posts\/1283\/revisions"}],"predecessor-version":[{"id":1348,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/posts\/1283\/revisions\/1348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/media\/1347"}],"wp:attachment":[{"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/media?parent=1283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/categories?post=1283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.emreozker.com\/en\/wp-json\/wp\/v2\/tags?post=1283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}