??? Background. Traditional negative pressure wound therapy (NPWT) devices, such as the electrically powered V.A.C.® Therapy System (KCI, San Antonio, TX), are important tools in the treatment of both acute and chronic wounds. The following describes the first clinical experience using a novel, non-electrically powered, ultraportable NPWT device called the Smart Negative Pressure (SNaP™) Wound Care System (Spiracur, Sunnyvale, CA).Twelve consecutive adult subjects with chronic wounds ranging from neuropathic wounds to venous stasis ulcers were treated with the SNaP System at an academic outpatient dermatology clinic. Subjects were followed biweekly for complications and wound healing progression over a 4-week period.Of the 12 subjects treated, 5 achieved complete wound healing within 4 weeks. All subjects demonstrated healing after treatment with the SNaP System, and statistically significant healing was reached at 4 weeks (P < 0.01) for patients who were able to complete the treatment protocol. Use of the SNaP System promoted cleaner wound beds with robust granulation tissue formation. There were no serious adverse events directly related to the device. The most common complaint was mild or moderate wound pain in 3 of 12 subjects.These findings support the safety and potential clinical utility of a new ultraportable NPWT device for the treatment of chronic wounds. ? ??.
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