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Wound complications associated with surgical incisions range from minor to life threatening. Surgical site infections occurring usually occur within 30 days and are one of the most common surgical complications. Perigraft infections in groin wounds can be devastating. Even superficial wounds can progress to deep wounds resulting in graft infection, need for explantation, and sepsis or amputation requirement. Negative pressure wound therapy has had favorable results on closed wounds in trauma populations. Similarly, negative pressure wound therapy has had positive benefits in closed incisions such as sternal wounds following cardiac surgery. As a result, the PrevenaTM Incision Management System(IMS) was developed to allow easier application of negative pressure therapy to closed wounds. Application of the PrevenaTM IMS dressing would portend the aforementioned benefits of Vacuum Assisted Closure (VAC®) therapy with the added benefits of protecting the wound from contamination and bolstering the wound edges for better approximation and consequently better aesthetic outcome. However, no comparison between negative pressure therapy as a dressing and standard wound dressings exists.
The purpose of this study is to assess the efficacy and safety of topical negative pressure therapy application with Prevena™ versus standard of care wound therapy on closed groin incisions in high risk patients undergoing vascular surgery.
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Inclusion criteria
Male or female 18 years of age or greater
Scheduled elective vascular surgery which requires groin incision. Elective surgery is defined as planned surgery a minimum of 24 hours before the procedure.
Meets high risk criteria according to the following rating system
Scores at least 8 points for the following risk factors:
• MAJOR 4 points:
BMI of <18 kg/m2 or ≥BMI 40 kg/m2 ***
Insulin dependent Diabetes Mellitus*
Dialysis (hemodialysis or peritoneal dialysis)**
• INTERMEDIATE 2 points:
Previous groin surgery
Diabetes Mellitus not requiring insulin*
Chronic lung disease GOLD >2
On long-term immunosuppressive medication (>3 months at time of enrollment)
Chronic kidney disease (defined as a GFR <30ml/min/1.73m2 for 3 months)**
Previous lower extremity or abdominal wall radiotherapy radiotherapy
BMI between 35 and 40***
• MINOR 1 point:
Previous abdominal surgery
Peripheral vascular disease
Female gender
Age >75 years old
Hospitalized at least 7 days before surgery
*, **, *** mutually exclusive, highest score should be used
Capable of providing informed consent or has a legally authorized representative (LAR) if unable to provide informed consent
Willing and able to adhere to the study visit schedule
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
0 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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