Lippincott Nursing Pocket Card - January 2022

Surgical Site Infection Prevention

Surgical site infections (SSIs) are infections that occur after surgery in the area of the body where the surgery was performed (Centers for Disease Control and Prevention [CDC], 2019). SSIs are one of the most common and costly healthcare-associated infections in the United States (Anderson & Sexton, 2020). Approximately 50% of all SSIs are preventable based on current evidence-based strategies. It is important that the entire perioperative team have knowledge of the following strategies to prevent SSIs.

SSIs may be superficial, involving only the skin or more critical involving deeper tissues, organs or implanted devices.

Symptoms of SSIs include (CDC, 2019):

Redness and pain at or around the surgical site
Cloudy drainage from the surgical wound
Fever

Timing of Surgery (Anderson & Sexton, 2021)

The timing of surgery related to other treatments may increase the risk of developing SSIs.

Emergency surgery
Cancer therapy (chemotherapy and radiation)
Remote infection
Malnutrition – hypoalbuminemia increases the risk of SSI sixfold
Immunosuppressive therapies – may impact outcomes in joint arthroplasty, spine and organ transplant procedures

Patient Preparation

Prior to elective surgeries, identify and treat any existing infections; postpone elective procedures until current infections are resolved.
Instruct patients to shower or bathe their full body with soap (antimicrobial or non-antimicrobial) or with an antiseptic agent the night before surgery.
Preoperative skin cleansing with chlorhexidine-based preparations are more effective than povidone-based solutions (Anderson & Sexton, 2021).
Only remove hair at or around the intended incision site if it will interfere with the procedure; when necessary, remove it immediately prior to the operation, using clippers. Avoid shaving hair with razors at the operative site as shaving is associated with a high risk for SSI.
Advise patients to stop using tobacco four to six weeks prior to elective surgery; smoking is associated with an increased risk for SSI and other complications (Anderson & Sexton, 2021).
Ensure that skin at or near the incision site is free of gross contamination prior to applying antiseptic skin preparations.
Bowel preparation prior to colon surgery reduces SSI rates (Anderson & Sexton, 2021).

Perioperative Staff Preparation

Perform antisepsis of hands (including under the nails) and forearms with an antiseptic agent immediately prior to the procedure, in accordance with manufacturer’s recommendation for the specific product in use. Either antimicrobial soap or an alcohol-based hand rub may be used.
Ensure all staff wear a surgical mask that fully covers the mouth and nose when they are present in the operating room, at any time when sterile instruments are exposed, when surgery is about to begin or in progress, and for the duration of the procedure.
Wear a new, disposable, or hospital-laundered head covering for each case and ensure it fully encases all hair on the head and all facial hair not covered by a surgical mask.
Every member of the scrubbed surgical team should wear sterile gloves, donned after the sterile gown is in place.
Use only surgical gowns and drapes that are water resistant.
Change scrubs if they become visibly soiled, contaminated, or are penetrated by blood or other infectious materials as soon as possible. Scrubs should not be worn during patient encounters outside the operating room or outside the hospital perimeter (Anderson & Sexton, 2021).
Remove or cover all head and neck jewelry.

Operating Room & Surgical Instruments

Maintain positive pressure ventilation in the operating room and adjoining spaces.
Sterilize all surgical instruments according to published guidelines and manufacturer’s recommendations.
Reserve flashing, or immediate-use steam, for patient care items that will be used immediately in emergency situations when no other options are available.
Limit traffic through the operating room, both the number of people and the number of door openings to only those that are essential.

Sterile and Surgical Technique

Adhere to principles of sterile technique for all invasive surgical procedures.
Protect primary incisions with a sterile dressing for 24-48 hours postoperatively.
Perform intraoperative skin preparation with an alcohol-based antiseptic agent, unless contraindicated.
Consider intraoperative irrigation of deep or subcutaneous tissues with aqueous iodophor solution. Intra-peritoneal lavage with aqueous iodophor solution in contaminated or dirty abdominal procedures is not necessary.
The following strategies are not required to prevent SSIs:
- Use of plastic adhesive drapes (with or without antimicrobial properties)
- Application of a microbial sealant immediately following intraoperative skin preparation
Research is inconclusive to support the following:
- Soaking prosthetic devices in antisepsis solutions prior to implantation
- Repeat application of antiseptic agents to the surgical site prior to closure

Antimicrobial Prophylaxis (AMP)

Parenteral
- Administer preoperative antimicrobial agents only to cases that fit criteria established by published clinical practice guidelines.
- If prophylactic antibiotics are recommended, time the administration so that therapeutic levels are reached when the incision is made.
- For cesarean sections, administer antibiotic prophylaxis before the incision is made.
- For clean and clean-contaminated surgical sites, do not re-dose prophylactic antibiotics after the surgical incision is closed, even if a drain is present. This standard applies to all patients, even prosthetic joint arthroplasty patients receiving immunosuppressive therapy or systemic steroids.
- Weight-based adjustments of parenteral doses of antimicrobial agents are not recommended.
Nonparenteral
- Unless contraindicated, use alcohol-based skin preparations in the operating room.
- Do not apply antimicrobial agents (i.e. ointments, solutions, or powders) to the surgical incision to prevent SSIs.
- Triclosan-coated sutures may be considered to prevent SSI.
- There is weak or no evidence to support the following:
  - Antimicrobial irrigation solutions
  - Soaking prosthetic devices in antimicrobial solutions prior to implantation
  - Application of ointment, solutions, or powders to cover incisions
  - Use of autologous platelet-rich plasma
  - Use of antimicrobial dressings after primary surgical site closure

Glycemic Control

Perioperative hyperglycemia has been associated with an increased risk of infection (Anderson & Sexton, 2021).
In patients with and without a diagnosis of diabetes mellitus, maintain perioperative glycemic control with a target glucose level < 200 mg/dL.
There is weak or no evidence to support:
- A lower blood glucose target
- A narrower target range
- Time-frame for optimal perioperative blood glucose management
There is no established optimal hemoglobin A1C target for patients with and without diabetes mellitus, for prevention of SSIs.

Normothermia

Maintain normal body temperature in all patients during surgery; perioperative hypothermia may increase risk for SSI due to vasoconstriction and reduced oxygen to the tissues.
There are no specific standards for timing or duration of perioperative temperature management or lower limit of normothermia.

Oxygenation

High-inspired (supplemental) oxygen used perioperatively may decrease rates of SSI.
For patients with normal pulmonary function undergoing general anesthesia, with endotracheal intubation, administer an increased fraction of inspired oxygen during surgery, after extubation, and in the immediate postoperative period.
To optimize oxygen delivery to the tissues, maintain normothermia, tissue perfusion, and adequate volume replacement.
Supplemental oxygen via facemask has not been established as beneficial in SSI prevention for patients receiving general anesthesia without endotracheal intubation or neuraxial anesthesia (i.e. spinal, epidural, or local nerve blocks).
Optimal duration, delivery method, or target level of supplemental oxygen administration has not been established.

Prosthetic Joint Arthroplasty Considerations

Do not withhold blood transfusions from surgical patients to decrease SSIs.
There are no clear recommendations regarding the use of the following to reduce SSIs in prosthetic joint arthroplasty:
- Systemic corticosteroid or other immunosuppressive therapy
  - Note: For prosthetic joint arthroplasty patients on systemic corticosteroid or other immunosuppressive therapy (in clean and clean-contaminated procedures), do not administer additional prophylactic antimicrobials after the surgical incision is closed in the operating room, even in the presence of a drain.
- Pre-procedure intra-articular corticosteroid injection
- Anticoagulation or use of venous thromboembolism prophylaxis
- Orthopedic surgical space suite
- Strategies to prevent biofilm
  - Antimicrobial/modified joint cement
  - Modified prosthetic joints
  - Vaccinations to prevent biofilm
  - Biofilm control agents (biofilm dispersants, quorum-sensing inhibitors, or novel antimicrobial agents)

References:

Anderson, D.J. & Sexton, D.J. (2021, June 14). Overview of control measures for prevention of surgical site infection in adults. UpToDate. https://www.uptodate.com/contents/overview-of-control-measures-for-prevention-of-surgical-site-infection-in-adults

Berríos-Torres, S. I., Umscheid, C. A., Bratzler, D. W., Leas, B., Stone, E. C., Kelz, R. R., Reinke, C. E., Morgan, S., Solomkin, J. S., Mazuski, J. E., Dellinger, E. P., Itani, K., Berbari, E. F., Segreti, J., Parvizi, J., Blanchard, J., Allen, G., Kluytmans, J., Donlan, R., Schecter, W. P., … Healthcare Infection Control Practices Advisory Committee (2017). Centers for Disease Control and Prevention Guideline for the Prevention of Surgical Site Infection, 2017. JAMA surgery, 152(8), 784–791. https://doi.org/10.1001/jamasurg.2017.0904

Centers for Disease Control and Prevention (2019, May 9). Frequently asked questions about surgical site infections. https://www.cdc.gov/hai/ssi/faq_ssi.html

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Surgical Site Infection Prevention