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November 7, 2023
Learn about the dangers of surgical smoke in the operating room (OR) and how to protect yourself and your patients. Our in-depth guide covers the health risks, regulatory requirements, and best practices for surgical smoke control. Discover the latest industry insights on this critical topic.
While patient care in the operating room is the number one priority of the surgical staff, the safety and care of the staff are equally important. Surgeons and their supporting staff can encounter biological and electrical hazards in each case they attend. Still, Surgical Smoke Hazards, in particular, can have short-term and long-term effects on the surgeon and their staff if not managed appropriately.
Surgical Smoke is found in almost every OR today. Ensuring the safe elimination of this smoke plume during a surgical procedure and taking the appropriate protective measures can guard the health and safety of the surgical staff and patients.
In this article, you will learn:
Surgical smoke plume is a potentially dangerous by-product generated from the use of lasers, electro-surgical pencils, ultrasonic devices, and other surgical energy-based devices. As these instruments cauterize or burn vessels and destroy tissue, vaporized fluids, including blood, create a gaseous material called a surgical smoke plume.
The composition or chemical makeup of this smoke plume is what makes the smoke so dangerous. The plume comprises 95% water and 5% additional matter. The other 5% matter is potentially hazardous to the surgical staff and patients.
The chemical component of surgical smoke plumes contains over 80 different toxic chemicals and by-products. Some of these components have documented harmful health effects, such as the following:
| Chemical Name | Common Use |
|---|---|
| Perchloroethylene | It is most commonly used as a main component in dry cleaning fluid. |
| Hydrogen cyanide | A neurotoxin used in the production of plastic and chemical weapons. |
| Toluene | A solvent that is similar to paint thinner and is a known carcinogen. |
| Formaldehyde | It is a chemical used to preserve surgical specimens and can be found in embalming fluid. |
| Ethylbenzene | It is most used in the manufacture of Styrofoam. |
| Benzene | It is a chemical used to manufacture plastics and is a known Carcinogen. |
Along with the chemical toxins, biological and physical components make up surgical smoke plumes that add to the overall risk factors for inhalation.
The biological matter of the plume can include blood with potential infectious viruses and bacteria. Since surgical smoke comprises approximately 95% water vapor, it creates a viable carrier for bacteria and viruses, which can transfer infectious diseases.
Evidence of an airborne virus transmitted within a surgical smoke plume is documented.
There are associated hazards to patients when they are exposed to surgical smoke. The evidence demonstrates that the risks of surgical smoke exposure to the patient are:
The synergistic and antagonistic interactions of aldehydes, benzene, toluene, ethylbenzene, xylene, ozone, and dioxins have not been studied and are difficult to predict. The researchers concluded that surgical smoke should be evacuated to protect the OR team from the toxic, possibly carcinogenic, mutagenic, and genotoxic effects.
In a study to determine the chemical composition of surgical smoke, samples were collected of surgical smoke generated by electrocautery during colorectal surgery. The sampling tube was attached near the end of the electrocautery pencil or held in the plume above the pencil.
The electrocautery smoke contained significant benzene, ethyl benzene, styrene, carbon disulfide, and toluene. Benzene, a known carcinogen, was detected in significant quantities. The substances detected can cause eye irritation, dermatitis, central nervous system effects, and hepatic and renal toxicity.
Studies suggest that malignant cells can be aerosolized when the ultrasonic scalpel is used on tumor-bearing tissue and may be the reason for tumor recurrence at a port site remote from the original tumor.
The researchers concluded that smoke from an ultrasonic scalpel may contain viable tumor cells, and there is a theoretical risk of transfer of the viable tumor cells to anyone close to the surgical procedure.
Due to the toxic chemical components found in surgical smoke, the respiratory system is negatively affected, but also with more severe conditions such as asthma or pneumonia. The size of the particles in the surgical smoke directly influences the type of adverse respiratory health effects experienced by the perioperative team.
Viable bacteria exist within the laser smoke plume generated during laser resurfacing. Additional research is needed to define the exposure risk associated with patients who have hepatitis, HIV, and antibiotic-resistant bacteria.
The most recent version of the American National Standards Institute Z136.3 (2011) states that airborne contaminants from laser surgery SHALL be controlled. Also, it notes that electrosurgical devices produce the same type of airborne contaminants as lasers. Many organizations and agencies are making their recommendations more powerful by changing the verb from “should” to the more powerful word “shall” to help encourage compliance.
Several national and international organizations address standards concerning patients' and healthcare workers’ exposure to hazardous materials and surgical smoke.
According to the National Institute of Occupational Safety and Health /Centers for Disease Control, ventilation techniques include a combination of general room and local exhaust ventilation (LEV):
NIOSH/CDC recommends that:
Click to learn more about the surgical smoke legislation and policy
One of the most effective methods of removing the hazards of surgical smoke plumes is using Smoke Evacuation Systems. These systems remove the plume at its surgical site source by using a tube attached to the accessory or device creating the plume. Connecting it to the surgical site (approximately within 2 inches of the plume source), about 99.9% of 0.12-micron sizes or larger can be removed from the environment before inhalation.
The system usually contains a series of filters allowing filtration down to the micron size to ensure even the smallest particulates can be captured.
Generates suction and houses filters.
They filter surgical smoke from the air as it passes through the Unit.
Transport surgical smoke from the surgical site to the Unit.
They allow the STERIS smoke evacuation system to collect and filter smoke right at the incision site. These patented electrocautery pencils work with other surgical smoke evacuation systems.
Transport surgical smoke from the surgical site to the Unit.
Learn about the STERIS Smoke Evacuation System
With surgical masks, the surgical staff helps to control the transfer of microorganisms from the staff to the patient. However, it protects the surgeon and staff from inhaling surgical smoke plumes. The masks' filtration or particulate can vary, but even the smallest particle size masks can’t eliminate viruses from being inhaled.
Another safeguard against surgical smoke plume exposure and inhalation is to ensure the OR has proper ventilation. According to the AORN organization, the OR should be at least 15 air exchanges per hour. All ORs should maintain positive air pressure to ensure potentially contaminated air is being pulled away from the room.
Educating perioperative team members about the hazards of surgical smoke is essential. Take advantage of all available resources in designing education to increase awareness about smoke evacuation practices. Leadership support is also essential for implementing, maintaining, and enforcing a smoke evacuation program.
Importance of implementing solutions for controlling surgical smoke
Regularly updated hazard assessments for operational exposure are indispensable. Close cooperation should be established between occupational safety specialists and occupational health physicians. The implementation of OH&S recommendations in Standard Operating Procedures (SOP) is also recommended.
Surgeons and assistant staff should be better informed about the possible health risks of surgical smoke and its prevention. Awareness raising can occur through regularly updated instruction and other formalized training, such as a facility-based initiative, and manufacturers of smoke evacuation devices should be invited to support regular onsite training.
Request a quote for the STERIS Smoke Evacuation System
Lena Fogle BSN, RN, CNOR
Senior Director Global Clinical Solutions, STERIS Healthcare
Lena is a seasoned healthcare leader with extensive experience leading complex perioperative environments and new program development, continuous process improvement, clinical outcomes, operational excellence, and stakeholder experience.
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21 Tomita Y, Mihashi S, Nagata K, et al. Mutagenicity of smoke condensates induced by CO2-laser
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