Pre-operative Alcohol Skin Solutions in Fractured Extremities

Overview

The prevention of infection is an important goal influencing peri-operative care of extremity fracture patients. Standard practice in the operative management of extremity fractures includes sterile technique and pre-operative skin preparation with an antiseptic solution. The available solutions kill bacteria and decrease the quantity of native skin flora, thereby decreasing surgical site infection (SSI). While there is extensive guidance on specific procedures for prophylactic antibiotic use and standards for sterile technique, the evidence regarding the choice of antiseptic skin preparation solution is very limited for extremity fracture surgery.

Full Title of Study: “PREPARE: A Pragmatic Randomized Trial Evaluating Pre-operative Alcohol Skin Solutions in FRactured Extremites”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Crossover Assignment
    • Primary Purpose: Treatment
    • Masking: Single (Outcomes Assessor)
  • Study Primary Completion Date: March 15, 2023

Detailed Description

More than one million Americans suffer an extremity fracture (broken bone in the arm, leg, or pelvis) that requires surgery each year. Approximately 5% (or 50,000) of surgical fracture patients develop a surgical site infection (SSI), which is twice the rate among most surgical patients and nearly five times the rate among patients undergoing elective orthopaedic surgeries (e.g. joint replacement). Patients who develop a SSI after their fracture fixation surgery experience a long and difficult treatment pathway. Researchers have identified that when a fracture patient experiences a SSI, they typically undergo at least two additional surgeries to control the infection, spend a median of 14 additional days in the hospital, and have significantly lower health related quality of life (HRQL). Similarly, results from the recently completed Fluid Lavage of Open Wounds (FLOW) trial confirmed that patients who had a SSI, or another complication, that required an additional surgery reported significantly lower physical and mental HRQL in the 12 months following their fracture compared to patients who did not experience a SSI. In the most severe cases, when a SSI cannot be controlled, a limb amputation becomes necessary. Open fractures, closed lower extremity fractures, and pelvic fractures represent some of the most severe musculoskeletal injuries. Due to their high-energy mechanisms, these fractures are often accompanied by soft-tissue injuries that contribute to unacceptably poor outcomes. The FLOW trial of 2,447 open fracture patients reported a 13.2% incidence of open fracture-related reoperations; Closed fractures of the lower extremity are also at high risk of complications, particularly when compared to closed upper extremity fractures. For example, the rate of SSI in closed tibial plateau and plafond fractures range from 5.6 - 11.9%, although some cohort studies have reported infection rates as high as 25.0%. This is contrast with SSI rates of <5% for common upper extremity fractures like humeral shaft, forearm, or distal radius fractures. This is further illustrated in a series of 214 deep orthopaedic fracture infections, in which 58% occurred in the tibia and ankle, and only 10% occurred anywhere in the upper extremity. Finally, pelvic fractures are associated with some of the most challenging SSIs to treat among closed fractures because of their propensity to gram negative organisms and limitations in reconstruction options post-infection. Ultimately, infectious complications in these fracture populations lead to prolonged morbidity, loss of function, and potential limb loss.

Interventions

  • Drug: DuraPrep
    • The iodine-based treatment intervention is an antiseptic solution comprised of iodine povacrylex (0.7% free iodine) in 74% isopropyl alcohol. 3M™ DuraPrep™ [3M Health Care, St Paul, MN], will be the commercial product used.
  • Drug: ChloraPrep
    • The CHG intervention is an antiseptic solution comprised of 2% CHG in 70% isopropyl alcohol. ChloraPrep® [CareFusion Inc., Leawood, KS, USA] will be the product used.

Arms, Groups and Cohorts

  • Experimental: First pre-op antiseptic skin solution
    • The PREPARE trial will compare the most common alcohol-based pre-operative antiseptic skin solutions used during extremity fracture surgery. Participant recruitment will begin with the clinical sites using their assigned pre-operative antiseptic skin solution for all eligible fracture surgeries for a two-month period.
  • Experimental: Crossover – Second pre-op antiseptic skin solution
    • Once the first intervention phase is completed, each site will crossover to the opposite study solution. Each site will need to develop local procedures to ensure a successful crossover. They will use the second solution for all eligible fracture surgeries for a two-month period, and will then crossover back to the solution in the first intervention phase.

Clinical Trial Outcome Measures

Primary Measures

  • Surgical Site Infection: Superficial Incisional
    • Time Frame: Within 30 days of the patient’s last planned fracture management surgery
    • Guided by the CDC’s National Healthcare Safety Network reporting criteria
  • Surgical Site Infection: Deep Incision or Organ/Space
    • Time Frame: Within 90 days of the patient’s last planned fracture management surgery
    • Guided by the CDC’s National Healthcare Safety Network reporting criteria

Secondary Measures

  • Unplanned Fracture-Related Reoperation
    • Time Frame: Within 12 months of the patient’s last planned operation
    • Common examples include any unplanned fracture-related surgery that is associated with an infection at the operative site or contiguous to it, a wound-healing problem, or a fracture delayed union or non-union.

Participating in This Clinical Trial

The open fracture inclusion criteria are: 1. Patients 18 years of age or older. 2. Open fracture of the appendicular skeleton. 3. Received or will receive definitive fracture treatment with a surgical implant(s) (i.e., internal fixation, external fixation, joint prosthesis, etc.). 4. Open fracture wound management that includes formal surgical debridement within 72 hours of their injury. 5. Will have all planned fracture care surgeries performed by a participating surgeon or delegate. 6. Informed consent obtained. 7. Patient enrolled within 3 weeks of their fracture. The open fracture exclusion criteria are: 1. Fracture of the hand (distal to radial carpal joint). 2. Patients who did not or will not receive the allocated pre-operative surgical preparation solution due to a medical contraindication. 3. Received previous surgical debridement or management of their fracture at a nonparticipating hospital or clinic (as applicable). 4. Open fracture managed outside of the participating orthopaedic service (e.g., foot fracture managed by podiatrist). 5. Chronic or acute infection at or near the fracture site at the time of initial fracture surgery. 6. Burns at the fracture site. 7. Incarceration. 8. Expected injury survival of less than 90 days. 9. Terminal illness with expected survival less than 90 days. 10. Currently enrolled in a study that does not permit co-enrollment. 11. Unable to obtain informed consent due to language barriers. 12. Likely problems, in the judgment of study personnel, with maintaining follow-up with the patient. 13. Prior or current enrollment in a PREP-IT trial. 14. Enrolled in the PREPARE closed cohort. 15. Excluded due to sampling strategy. The closed fracture inclusion criteria are: 1. Patients 18 years of age or older. 2. Closed fracture of the lower extremity or pelvis. 3. Received or will receive definitive fracture treatment with a surgical implant(s) (i.e., internal fixation, external fixation, joint prosthesis, etc.). 4. Fracture management requires a surgical incision (i.e., for fracture reduction or implant insertion). 5. Will have all planned fracture care surgeries performed by a participating surgeon or delegate. 6. Informed consent obtained. 7. Patient enrolled within 6 weeks of their fracture. The closed fracture exclusion criteria are: 1. Patients who did not or will not receive the allocated pre-operative surgical preparation solution due to a medical contraindication. 2. Received previous surgical management of their fracture at a non-participating hospital or clinic. 3. Fracture managed outside of the participating orthopaedic service (e.g., foot fracture managed by podiatrist). 4. Chronic or acute infection at or near the fracture site at the time of initial fracture surgery. 5. Burns at the fracture site. 6. Incarceration. 7. Expected injury survival of less than 90 days. 8. Terminal illness with expected survival less than 90 days. 9. Currently enrolled in a study that does not permit co-enrollment. 10. Unable to obtain informed consent due to language barriers. 11. Likely, problems, in the judgment of study personnel, with maintaining follow-up with the patient. 12. Prior or current enrollment in a PREP-IT trial. 13. Enrolled in the PREPARE open cohort. 14. Excluded due to sampling strategy.

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • University of Maryland, Baltimore
  • Collaborator
    • McMaster University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Gerard Slobogean, Assistant Professor, Department of Orthopaedics – University of Maryland, Baltimore
  • Overall Official(s)
    • Gerard Slobogean, MD, Principal Investigator, University of Maryland Shock Trauma Center
    • Sheila Sprague, PhD, Principal Investigator, McMaster University
    • Mohit Bhandari, MD, Principal Investigator, McMaster University

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