MÓDULO 1. TEMA 2 NORMAS DE SEGURIDAD EN QUIRÓFANO: BIOSEGURIDAD Y RIESGOS LABORALES

Introduction to Biosecurity

In this section, the speaker introduces the topic of biosecurity and its importance in surgical settings. The concept of biosecurity is defined as a set of preventive measures aimed at protecting the health and safety of patients, healthcare workers, and the environment.

Understanding Biosecurity

• Biosecurity is a broad topic that requires careful consideration and understanding.

• It encompasses measures to protect the health and safety of patients, healthcare workers, and the environment.

• The most accurate concept for biosecurity is a set of preventive measures that aim to protect the health and safety of all stakeholders involved.

• Compliance with biosecurity regulations is essential, as these regulations are established by higher authorities such as hospitals' directors or infection control committees.

Key Pillars of Biosecurity

• Universal precautions: These are fundamental principles that guide healthcare professionals in preventing the transmission of infections.

• Use of protective barriers: This includes wearing gloves, masks, caps, and proper uniforms to minimize exposure to potential risks.

• Proper disposal of waste: All waste generated during medical activities should be disposed of following appropriate protocols.

Compliance with Regulations

• Healthcare institutions must adhere to laws and policies related to biosecurity issued by national or international entities.

• Compliance ensures protection for healthcare workers, patients, and the environment.

Risks in Surgical Settings

This section discusses different types of risks present in surgical settings. It emphasizes the importance of understanding these risks and implementing appropriate measures for patient safety.

Types of Risks

• Biological risks: These include exposure to infectious agents such as bacteria or viruses.

• Physical risks: These involve hazards like sharp objects or equipment malfunctions that can cause injuries.

• Mechanical risks: These refer to dangers associated with machinery or equipment used during surgeries.

Ensuring Patient and Personal Safety

• Implementing measures to guarantee patient safety involves following specific activities, policies, and regulations.

• Healthcare professionals must also prioritize their own safety by adopting behaviors that minimize risks.

• Simple routines like handwashing, proper use of gloves, masks, and uniforms contribute significantly to ensuring safety for both patients and healthcare workers.

Importance of Motivation and Risk Awareness

This section highlights the significance of motivation in protecting patients during surgical procedures. It emphasizes the need for a strong sense of responsibility among healthcare professionals to ensure patient safety.

Motivation for Patient Protection

• Healthcare professionals should possess a high level of motivation to protect patients during surgeries.

• The well-being of an anesthetized patient depends solely on the actions and decisions made by the surgical team.

• Developing a sense of responsibility towards patient safety is crucial for improving overall surgical care.

Understanding Risks

• Risks are events or circumstances that can lead to unexpected incidents or accidents.

• Danger arises when these risks materialize into actual harm or injury.

Conclusion

In this transcript, we explored the concept of biosecurity in surgical settings. We discussed the importance of adhering to biosecurity regulations and implementing preventive measures to protect patients, healthcare workers, and the environment. Additionally, we highlighted different types of risks present in surgical settings and emphasized the significance of motivation and risk awareness in ensuring patient safety.

Risks in the Operating Room

This section discusses the various risks involved in the operating room, including biological, physical, and chemical risks.

Biological Risks

• Biological risks in the operating room arise from biological waste generated by patients.

• Samples such as pathological specimens, purulent material, urine, saliva, and blood should be handled with caution.

• Histopathological samples should be sent in secure containers to prevent spillage.

• Precautions must be taken when working with bodily fluids to minimize potential risks.

Physical Risks

• Physical risks in the operating room are caused by energy-related mechanisms.

• Examples of physical risks include noise, bright lights, electricity, and compressed air.

• Prolonged exposure to these physical factors can lead to stress, irritability, hearing disorders, and other health issues.

Chemical Risks

• Chemical risks in the operating room come from anesthetic gases, CO2 emissions from anesthesia machines, patient respiration waste, and disinfectants.

• Disinfectants and enzymatic detergents can have long-term effects on health if not handled properly.

Personal Protective Equipment (PPE)

• PPE is essential for protecting healthcare workers from these risks.

• PPE includes different types of gowns (e.g., cobalt gowns), masks (N95 respirators and surgical masks), protective eyewear or visors, gloves (nitrile or latex), shoe covers or boots, and caps.

Proper Use of Masks

This section emphasizes the correct use of masks for personal protection against biological risks.

Surgical Masks vs. N95 Respirators

• Surgical masks have a recommended usage time of approximately 4 hours before replacement.

• N95 respirators have a recommended usage time of approximately 12 hours before replacement.

• It is important to wear the surgical mask with the white side facing inwards and the blue side facing outwards to ensure proper filtration.

Importance of Correct Mask Usage

• Wearing masks incorrectly, such as reversing the orientation, can compromise their effectiveness.

• When wearing a mask correctly, exhaled air is trapped within the folds of the mask, reducing potential exposure to pathogens.

• Proper use of masks is crucial for preventing respiratory infections and protecting healthcare workers.

Other Personal Protective Equipment (PPE)

This section highlights additional personal protective equipment used in the operating room.

Protective Eyewear and Visors

• Protective eyewear or visors should be adjustable and comfortable for extended use during surgeries or procedures involving prolonged exposure.

Gloves

• Gloves made from materials like nitrile or latex are commonly used for hand protection.

• Sterile gloves are used for specific procedures, while lead gloves are utilized when working with radiation.

Shoe Covers and Caps

• Shoe covers or boots help prevent contamination by covering footwear.

• Caps provide head protection and are available for both male and female healthcare workers.

These notes provide an overview of the risks involved in operating rooms, including biological, physical, and chemical risks. They also emphasize the importance of using personal protective equipment correctly to mitigate these risks.

Importance of Work Environment and Hygiene

The speaker emphasizes the importance of maintaining a clean and organized work environment to ensure personal safety and health.

Maintaining a Clean Work Environment

• A clean and hygienic work environment provides protection and guarantees the well-being of individuals.

• Working in an unclean environment can pose potential risks to one's safety and health.

• Storing food in hospital refrigerators is not recommended as it can affect the temperature regulation and potentially harm medications or other items that require refrigeration.

Viewing Patients as Sources of Risk

• It is essential to view patients not as enemies but as potential sources of risk.

• Treating all patients with caution helps prevent any potential harm to healthcare workers' health.

The Significance of Handwashing

• Handwashing is the most crucial procedure in biosafety, as research shows that 70% of nosocomial infections are caused by healthcare workers' hands.

• Proper hand hygiene should be prioritized to minimize the spread of infections.

Proper Use of Gloves

• Latex gloves should be used when handling biohazardous materials or fluids such as blood, urine, or pus.

• Gloves should always be readily available, especially when dealing with unknown substances or removing dressings or diapers from patients.

• After use, gloves should be washed with soap before disposal.

Personal Protective Equipment (PPE) Usage

The speaker discusses the importance of using personal protective equipment (PPE) correctly to minimize risks and contamination.

Importance of PPE Usage

• PPE plays a vital role in protecting healthcare workers from potential hazards.

• Gloves, masks, goggles, and procedure gowns can prevent splashes or aerosols from causing harm to both healthcare workers and patients.

Proper Handling of PPE

• PPE should only be used within the designated work area and not taken outside.

• Circulating staff, such as those delivering instruments, should not wear procedure gowns.

• Extra caution is necessary when dealing with contaminated surgeries to avoid spreading microorganisms.

Contamination Risks and Disposal

The speaker highlights the risks of contamination and proper disposal methods for gloves, masks, and procedure gowns.

Contamination Risks

• Masks, goggles, and procedure gowns can generate splashes or aerosols that may harm healthcare workers and patients.

• These droplets can contaminate nearby biomedical equipment, posing a risk when removing gloves or touching surfaces.

Proper Disposal of PPE

• Gloves, masks, goggles, and procedure gowns should be discarded correctly after use.

• Disposable gloves must be washed with soap before disposal.

• Masks should be replaced with new ones if they become wet or contaminated.

• Enzymatic detergents are recommended for neutralizing biological material on PPE.

Handling Spills and Transporting Samples

The speaker discusses handling spills and transporting samples safely to minimize risks in healthcare settings.

Handling Spills

• Each institution has its guidelines for handling spills; however, using 10% sodium hypochlorite solution or 5000 parts per million concentration is common practice.

• Using a second or third-level disinfectant may not effectively neutralize biological material present in spills. Consider using enzymatic detergents instead.

Transporting Samples

• Samples should be transported in unbreakable plastic containers with screw caps to ensure easy access without compromising safety.

• Accidents such as fluid spills require immediate action according to institutional protocols to prevent further contamination.

Additional Resources

• The Ministry of Public Health's Biosecurity Manual provides comprehensive information on various components of biosafety. Link to the manual

Importance of Proper Attire in the Operating Room

The speaker emphasizes the importance of wearing the correct attire in the operating room to maintain cleanliness and prevent germ transmission.

Wearing the Correct Uniform

• Wearing white uniforms suggests cleanliness, while blue or green uniforms suggest sterility.

• Proper attire in the operating room helps prevent germ transmission from outside personnel.

Types of Isolation Precautions

• Hospitals typically have three types of isolation precautions: droplet isolation, respiratory isolation, and contact isolation. Some institutions also use preventive isolation for patients coming from other healthcare facilities.

• Patients under preventive isolation are tested for germs through rectal swabs. If the results are negative, they are no longer considered under preventive isolation.

Cleaning and Disinfection of Surfaces and Equipment

• Enzymatic detergent is commonly used for cleaning surfaces and biomedical equipment.

• Enzymatic detergents contain enzymes that degrade biological material such as proteins, fats, starches, and cellulose-based materials like cotton or gauze.

• The pH level of enzymatic detergents should be close to neutral to protect surgical instruments made of steel.

Benefits of Enzymatic Detergent

• Enzymatic detergents effectively remove dirt from instruments and surfaces while enzymes degrade biological material.

• Using enzymatic detergent is preferable over using sodium hypochlorite (bleach) on biological spills since bleach can be inactivated by organic matter.

High-Level Disinfection vs Sterilization

• Spalding's classification categorizes medical devices based on their usage. Some devices only require cleaning or low-level disinfection if they only come into contact with skin.

• Devices that come into contact with mucous membranes require high-level disinfection or sterilization depending on their invasiveness.

Understanding Different Levels of Disinfection and Sterilization

The speaker explains the classification of medical devices based on their usage and the corresponding level of disinfection or sterilization required.

Classification of Medical Devices

• Spalding's classification categorizes medical devices based on their usage in patient care.

• Devices that only touch the skin require cleaning and low-level disinfection.

• Devices that come into contact with mucous membranes require high-level disinfection or sterilization.

Different Levels of Disinfection and Sterilization

• Low-level disinfection is sufficient for devices that only touch the skin, such as blood pressure cuffs or thermometers.

• High-level disinfection is necessary for devices that come into contact with mucous membranes, such as endoscopes or laryngoscopes.

• Invasive devices that penetrate subcutaneous tissue, muscles, or bones require sterilization to ensure complete elimination of microorganisms.

Proper Cleaning and Disinfection

• Skin-touching devices can be effectively cleaned using enzymatic detergents to remove biological material.

• Mucosa-touching devices should undergo high-level disinfection to eliminate potential pathogens.

• Invasive devices must be properly sterilized to prevent infection during procedures.

New Technologies in Healthcare Settings

The speaker discusses new technologies being implemented in healthcare settings.

Advancements in Technology

• The transcript does not provide specific details about new technologies in healthcare settings.

Importance of Peroxides and Disinfectants

The use of peroxides and disinfectants is becoming increasingly important in preventing infections. These substances destroy and solidify microorganisms, coagulating their cytoplasm. Proper management and storage of these solutions are crucial to ensure their effectiveness.

Management and Storage of Antiseptic Solutions

• Antiseptic solutions should be stored in a cool, well-ventilated area to prevent heat from deactivating them.

• It is important not to transfer the contents of one solution to another, even if they are the same type. This is because the handling and manipulation of the previously opened solution may introduce contamination.

Evaluation of Cleaning and Disinfection

• Regular observations and supervision should be conducted to assess the cleanliness and effectiveness of cleaning and disinfection procedures.

• The use of bioluminescence testing can provide immediate results on the efficacy of cleaning.

Disposal and Storage of Waste

• Contaminated linen must be properly transported and stored along with other waste materials.

• Waste should be sealed in hermetic bags or containers before being transported to a primary storage area within the institution.

• From there, waste is further transported by designated collectors for proper disposal.

Proper Handling of Occupational Accidents

Occupational accidents should be managed according to guidelines set by the Ministry of Public Health. Prompt communication with supervisors or relevant departments is essential for appropriate actions such as blood sampling, potential retroviral treatment, or other necessary measures.

Reporting Occupational Accidents

• Immediately inform your immediate supervisor about any occupational accidents, such as needlestick injuries.

• The supervisor will then contact emergency or occupational health departments based on institutional protocols.

Blood Sampling and Treatment

• In cases involving exposure to bloodborne pathogens, it may be necessary to take a blood sample from the patient for testing.

• Depending on the situation, retroviral treatment or other appropriate measures may be required.

• It is important to follow institutional guidelines and protocols for the safety of healthcare workers.

Importance of Hand Hygiene in the Operating Room

Proper hand hygiene is crucial when entering the operating room. Activities before entering the facility can introduce microorganisms onto hands, which can then contaminate surgical attire and potentially harm patients.

Hand Washing Before Donning Surgical Attire

• Before putting on surgical attire, it is essential to wash hands thoroughly.

• The use of alcohol-based gels or preparations is highly recommended for effective hand hygiene.

Contamination Risks During Preparatory Activities

• Activities such as getting out of bed, bathing, having breakfast, handling luggage or money, and traveling to the institution can lead to hand contamination.

• When contaminated hands come into contact with surgical attire, it poses a risk of introducing microorganisms into the operating room environment.

Conclusion

These notes cover important topics related to the use of peroxides and disinfectants, proper management of antiseptic solutions, evaluation of cleaning procedures, waste disposal practices, handling occupational accidents, and maintaining hand hygiene in the operating room. Following these guidelines helps prevent infections and ensures a safe healthcare environment.

Importance of Proper Hygiene in the Operating Room

In this section, the speaker emphasizes the importance of maintaining proper hygiene in the operating room to prevent contamination and ensure patient safety.

Maintaining Cleanliness and Protection

• It is important to be aware that pollution, such as lead and CO2, can contaminate our hair. Therefore, after washing hands, it is recommended to cover the hair with a cap before putting on surgical attire.

• Ideally, the surgical unit or institution should provide clean uniforms to ensure consistent washing and handling methods. This helps minimize contamination risks associated with personal laundering practices.

• Surgical uniforms should be worn properly, with blouses tucked into pants. This prevents unintentional contact between sterile and non-sterile surfaces during movement within the operating room.

Personal Hygiene Practices

• Avoid wearing jewelry or excessive makeup in the operating room. Nails should not be painted unless using high-quality nail polish that repels bacteria. Excessive makeup can release particles containing microorganisms into the air.

• Use surgical shoes made of resin material without holes or openings for better infection control. Institutions should provide antibacterial mats at entry points to remove bacteria from shoe soles. Avoid leather or fabric shoes as they retain moisture and promote fungal growth.

Additional Precautions

• Proper use of masks is essential, following recommended usage times and changing them regularly during procedures. Hand hygiene must also be maintained inside the operating room after donning surgical attire due to potential contamination from personal belongings like bags or phones.

• Eating or drinking sugary beverages is strictly prohibited in the operating room as it creates an environment conducive to bacterial growth and poses a risk of equipment damage. Similarly, personal items like bags, laptops, and cellphones can transport microorganisms and contribute to bacterial proliferation.

Bioluminescence and ATP

• Biological materials contain adenosine triphosphate (ATP), which combines with the enzyme luciferase to produce bioluminescence. This phenomenon can be used to detect organic matter and assess cleanliness in the operating room.

The transcript provided does not cover all aspects of the video, but focuses on hygiene practices in the operating room.

Measurement of Light and Organic Material

The speaker discusses the measurement of light using a luminometer and how it relates to the amount of organic material present on surfaces.

Measurement of Light and Organic Material

• A luminometer is used to measure light in relative units, which indicates the amount of light emitted by organic material.

• Higher relative units of light indicate a greater presence of organic material or dirt on surfaces.

• The speaker explains that more organic material leads to higher adenosine triphosphate (ATP) levels, resulting in more light and higher relative units of light.

• The level of relative units of light can be used as an indicator of surface cleanliness.

Importance of Surface Cleanliness

The speaker emphasizes the importance of surface cleanliness and how it is related to the level of relative units of light measured by a luminometer.

Importance of Surface Cleanliness

• In areas such as hospital public areas, corridors, bathrooms, laboratories, etc., a minimum acceptable level is 150 relative units or less. Between 50 and 100 relative units indicates caution should be taken due to dirtiness. Exceeding 100 relative units indicates a dirty surface that needs cleaning.

• A chart provided shows acceptable levels for different areas. For example, near patients' areas, more than 25 relative units are acceptable but exceeding 51 indicates dirtiness. In sterile services like operating rooms, less than 10 relative units are expected. Exceeding 31 indicates dirtiness.

• Equipment like disinfectant washers should ideally have zero relative units but some manufacturers suggest repeating cleaning if it exceeds 11.

Bioluminescence Testing on Surfaces

The speaker explains the process and purpose behind bioluminescence testing on surfaces using a luminometer.

Bioluminescence Testing on Surfaces

• A luminometer is used along with swabs to collect samples from surfaces.

• The collected sample is placed in the luminometer, which measures the relative units of light emitted by the organic material present on the surface.

• This testing method is not only applicable to inert surfaces but also living surfaces like hands.

• Hand swabbing results showed high levels of relative units before handwashing, indicating the presence of dirt. After proper handwashing, the relative units significantly decreased, emphasizing the importance of hand hygiene in preventing bacterial proliferation and healthcare-associated infections.

Hand Hygiene and Handwashing Techniques

The speaker discusses different hand hygiene practices and techniques, including traditional handwashing and alcohol-based solutions.

Hand Hygiene and Handwashing Techniques

• Two main hand hygiene practices are discussed: regular handwashing with soap and water to reduce resident bacteria on the skin, and using an alcohol-based solution for surgical hand disinfection.

• Regular handwashing should be done with a soap-based solution containing at least 70% alcohol. It helps reduce bacterial flora on the skin.

• Some products now allow for surgical hand disinfection without water and soap. These solutions contain alcohol (preferably above 70%) along with other components like chlorhexidine gluconate.

• Proper hand hygiene plays a crucial role in preventing bacterial proliferation and healthcare-associated infections.

The transcript provided does not cover all sections mentioned in the instructions.

Importance of Antiseptic Solutions in Healthcare Settings

The use of antiseptic solutions in healthcare settings, particularly in private institutions, has become prevalent. These solutions serve as alternatives to water, soap, and other traditional cleansing agents. One example is the use of 4% chlorhexidine shampoo for pre-surgical antisepsis.

Antisepsis and Surgical Handwashing

• Antisepsis plays a crucial role in preventing infections during medical procedures.

• Two types of handwashing are commonly practiced: social handwashing and surgical handwashing.

• Social handwashing involves using regular soap and water from dispensers found in various areas of healthcare facilities.

• Surgical handwashing requires the use of an antiseptic solution, such as 4% chlorhexidine shampoo, before performing procedures or preparing the operating room.

Surgical Hand Hygiene

• Surgical hand hygiene involves a more extensive process known as surgical scrubbing.

• It typically includes using a solution containing 4% chlorhexidine shampoo, sometimes with added gluconate or ethyl alcohol at specific concentrations.

• Studies have shown that alcoholic chlorhexidine solutions are more effective than other solutions for wound healing.

Proper Hand Hygiene Practices

• The World Health Organization (WHO) recommends following specific steps for proper hand hygiene.

• These steps include both patient protection and self-protection measures for healthcare professionals.

• Adhering to these guidelines is essential to maintain basic biosecurity standards.

Importance of Gloves in Infection Control

Gloves play a vital role in infection control within healthcare settings. It is crucial to understand when and how to use gloves properly to prevent the transmission of microorganisms.

Selecting and Using Gloves

• Choosing between sterile or non-sterile gloves depends on the procedure being performed.

• The correct timing for glove usage is essential to ensure maximum effectiveness.

• A pyramid model can guide healthcare professionals in determining when to use gloves and when not to.

Study on Cell Phone Contamination

• Several studies have examined the contamination levels of cell phones used in healthcare settings.

• One study conducted in Ecuador found that out of 40 sampled cell phones, only four were free from bacterial growth.

• Another study conducted in Mexico with 200 samples revealed that 94.5% showed bacterial growth, including resistant gram-negative bacteria.

Risks of Cell Phone Use in the Operating Room

The use of cell phones within the operating room poses potential risks due to their high contamination levels. Understanding these risks is crucial for maintaining a sterile environment during surgical procedures.

Cell Phone Contamination Studies

• Various studies have investigated the level of contamination on cell phones used in healthcare settings.

• A study conducted in Tulcán, Ecuador, found that 36 out of 40 sampled cell phones were contaminated with various microorganisms.

• Another study conducted in Mexico with 200 samples revealed a high percentage (94.5%) of bacterial growth, including resistant gram-negative bacteria.

Transmission Risks

• Cell phones can act as vehicles for transmitting microorganisms between patients and healthcare professionals.

• Proper hand hygiene and disinfection practices are necessary to minimize the risk of cross-contamination.

The transcript provided does not cover all sections mentioned in the prompt.

The Impact of Cell Phones and Proper Handling of Sharp Objects

This section discusses the environmental impact of cell phones and the importance of proper handling of sharp objects in operating rooms.

Environmental Impact of Cell Phones

• Cell phones are considered one of the most polluting elements in operating rooms.

• They are commonly referred to as "third-hand" cell phones due to their high contamination levels.

Proper Handling of Sharp Objects

• It is now recommended by regulations to not cover needles but instead encapsulate or dispose them without covering.

• Failing to handle sharp objects properly, such as needles, poses a high risk in operating rooms.

• Accidents can occur if a slip or mistake happens while handling these objects.

Importance of Personal Protective Equipment (PPE)

• Inadequate use of PPE can lead to potential risks and accidents during surgeries.

• It is crucial for healthcare professionals to wear appropriate protective gear, such as gowns and masks, inside the operating room.

• Neglecting proper use of PPE can result in contamination and health hazards.

Risks Associated with Improper Use of PPE

This section highlights the risks associated with improper use of personal protective equipment (PPE) in operating rooms.

Weight Gain Due to Contamination

• Many individuals have experienced weight gain after surgeries due to inadequate protection provided by surgical gowns.

• Some patients have reported wearing only pants inside the operating room, which is unacceptable.

Food Contamination

• Having food inside an operating room leads to excessive contamination.

• The presence of food items on the floor, including medication bottles, indicates poor hygiene practices.

• Proper disposal methods should be followed using designated red bins for contaminated items.

Conclusion and Call for Feedback

The presenter concludes the presentation and invites feedback and questions from the audience.

Feedback Requested

• The presenter requests comments and questions from the audience regarding the content of the presentation.

• Participants are encouraged to respond to any queries or provide additional insights.

Please note that these summaries are based on the provided transcript.