Comparison of Negative Pressure Wound Therapy vs. Conventional Dressings for Prevention of Wound Complications After Revision THA

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

201 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-04-28

Study Completion Date

2025-07-11

Brief Summary

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Wound complications and surgical site infections following revision total joint arthroplasty result in significant morbidity and cost. To the investigators knowledge, no prospective, randomized controlled trials have examined the rate of wound complications, infection, and reoperation following revision total hip arthroplasty when treated with negative pressure wound therapy (NPWT) versus sterile dressings. The investigators hypothesize that the rate of wound complications, infections, and subsequent procedures in patients undergoing revision THA treatment will demonstrate a statistically and clinically relevant decrease when using NPWT versus sterile dressing.

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Detailed Description

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Wound complications and surgical site infections (SSI) following revision total joint arthroplasty result in significant morbidity and cost. Persistent incisional drainage following total joint arthroplasty (TJA) has been reported to occur in 1% to 3% of patients. Drainage persisting greater than 48 hours has been reported as a risk factor for the development of an acute periprosthetic joint infection (PJI), with each additional day of wound drainage increasing the infection risk by 29-42%. Consequently, continued wound drainage has been shown to potentially increase the economic burden through longer hospital stays and subsequent surgical procedures. To the investigators knowledge, no prospective, randomized controlled trials have examined the rate of wound complications, infection, and reoperation following revision total hip arthroplasty when treated with NPWT versus sterile dressings. The investigators hypothesize that the rate of wound complications, infections, and subsequent procedures in patients undergoing revision THA treatment will demonstrate a statistically and clinically relevant decrease when using NPWT versus sterile dressing. The investigators will utilize a prospective, randomized, controlled study design to assess the efficacy of negative pressure wound therapy (NPWT) on the rate of wound complications, surgical site infections (SSIs), and reoperations after revision total hip arthroplasty (THA). For 90 days after surgery, the wound complications, including wound dehiscence, prolonged drainage for \>7 days postoperatively, hematoma formation, surgical site infection, or periprosthetic joint infection that requires postoperative interventions, and reoperation will be tracked.

Conditions

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Infection, Drainage

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Sterile Antimicrobial Dressings

Control group, current hospital standard. AQUACEL is left in place for 7 days unless it becomes saturated over 50%, which requires a premature dressing change.

Group Type ACTIVE_COMPARATOR

Sterile Antimicrobial Dressings

Intervention Type DEVICE

Control group, current hospital standard.

Negative pressure wound therapy (NPWT)

Experimental group. Negative pressure wound therapy bandage applied intra-operatively by a physician on the treatment team.

The dressing will be removed after 7 days postoperatively, or if the battery power stops earlier.

Group Type EXPERIMENTAL

Negative Pressure Wound Therapy (NPWT)

Intervention Type DEVICE

A computer randomization system will be used on the day of surgery to allocate patients to either the conventional or NPWT dressing. Due to the nature of this study, blinding of patients and surgeons to their allocated cohort will not be possible.

Interventions

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Negative Pressure Wound Therapy (NPWT)

A computer randomization system will be used on the day of surgery to allocate patients to either the conventional or NPWT dressing. Due to the nature of this study, blinding of patients and surgeons to their allocated cohort will not be possible.

Intervention Type DEVICE

Sterile Antimicrobial Dressings

Control group, current hospital standard.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients \> 18 years of age undergoing a revision total hip arthroplasty procedure to include:
* Conversion of a prior open hip surgery (i.e. open reduction internal fixation of a proximal femur fracture) to a total hip arthroplasty
* Aseptic revision for a diagnosis of component loosening, osteolysis, or revision procedure for periprosthetic fracture that requires revision of a component of the THA prosthesis (excluded isolated open reduction internal fixation of the fracture or initial placement of a hemi- or total hip arthroplasty)
* Septic revision surgery including irrigation and debridement of a postoperative infection or hematoma, one-stage exchange for acute postoperative infection, explantation and placement of an antibiotic cement spacer
* Reimplantation of a THA following placement of an antibiotic-loaded cement spacer
* The incision can be closed primarily without muscle flaps or skin grafting
* Willingness to undergo randomization and return for all scheduled visits

Exclusion Criteria

* Patients requiring a muscle flap or skin grafting for wound closure
* Pregnant or lactating female
* Known sensitivity to the study product components (adhesives, etc.)
* Allergy to silver

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes