Negative Pressure Therapy

Topics: Chronic wound, Wound, Wound healing Pages: 9 (2988 words) Published: March 8, 2013
Effectiveness of Negative Pressure Therapy on Wounds
Heather Downey
ECPI University

Effectiveness of Negative Pressure Therapy on Wounds
Negative Pressure Therapy (NPT) is a non-invasive treatment using negative pressure to treat open wounds with the assistance of foam or gauze as the wound filler (Lee, 2011, p. 114). NPT also goes by the name Negative Pressure Wound Therapy (NPWT), Topical Negative Pressure (TNP), and Vacuum Assisted Closer (VAC). According to Thompson (2008), NPT can be effective in treating and reducing infections in wounds and to initiate healing in slow healing wounds, speed up the healing process of large wounds, and reduce wound infections (p. 23). The definition of a wound from Merriam-Webster Dictionary (2011) states “an injury to the body (as from violence, accident, or surgery) that typically involves laceration or breaking of a membrane (as the skin) and usually damage to underlying tissues”. Explanation of the Problem

According to Stannard et al. (2009), the infection rate for wounds caused by trauma and necrosis ranges from 33% to 50%, and infections from sternal wounds after a cardiac surgery “remains the most dreaded complication, resulting in 1-year mortality rates of 33%” (p. 58). Wounds can cause many complications for patients to include infections which can lead to septicaemia (infection of the blood stream), bone infections, and even death. Wounds can be a major expense for facilities and payees to treat as well as diminish the quality of life for a patient. Purpose of Study

NPT is a treatment in hard to heal wounds. According to McCord et al. (2007), NPT is an additional tool for the treatment of chronic and acute wounds in patients (p. 296). The purpose of this study is to describe the use of NPT and its effectiveness on patient outcome. Explanation of Best Practices

The use of evidence based practice is in use throughout the healthcare industry. Depoy and Gitlin (2011), explain evidence based practice as “a model of practice in which decisions are supported by research” (p. 350). The application of evidence based practice begins with a literature review. Depoy and Gitlin (2011), identify for steps to apply the evidence (1) review literature, (2) rate evidence, (3) develop clinical guidelines, and (4) apply the guidelines to clinical practice. (p. 318) Article 1 NPT is Effective in Infants and Children

The purpose of this report is to learn the effectiveness of NPT on treating wounds in children. NPT is popular for treating wounds for adults however, “reports of use in the pediatric population...are limited mostly to anecdotal case reports that are not sufficient to assess the safety and effectiveness of the therapy in this population” (McCord et al., 2007, p. 296). Research Design

The quantitative research is compiled of a retrospective review of charts on patients treated with NPT “between January 2003 and December 2005” (McCord et al., 2007, p. 296) located at the Texas Children’s Hospital, Houston. The data consists of patient demographics, type of wound, dates of NPT use, wound measurements, amount of negative pressure, sponge type, outpatient use, complications, and discontinuation. The patients are classified further into the type of wound which includes abdominal defects, sternal wounds, pressure ulcers, surgical wounds, and wounds with fistulas. Sample Size and Characteristics

The sample includes 68 patients consisting of 36 boys and 32 girls with a combined total of 82 wounds. The ages range from seven days to 18 years. The mean age is 8.2 years with 20 patients age 2 years or younger including eight neonates. Methods

The data collection consisted of grouping according to the type of wound and included: “pressure ulcers, extremity wounds, dehisced surgical wounds, open sternal wounds, wounds with fistulas, and abdominal wall defects” (McCord et al. 2007, p. 296). The calculation for each group is based on the mean age, decrease...
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