Start studying Principles of Aseptic Technique. Medical asepsis – sometimes referred to as standard aseptic technique (Association of Safe Aseptic Practice, 2015) – aims to reduce the number of organisms and prevents their spread by use of standard principles of infection prevention (Loveday et al, 2014). The only challenge there is on how to implement and inculcate these principles to our current and future people, as we all know this aseptic technique is usually only done by nurses and everybody in the medical field, not in normal situations by normal persons. Once disinfected, they can be kept in a clean environment. at least 30 minutes or more for sterilization as opposed to 10 minutes for disinfection. Chemical sterilization differs from disinfection in the duration of soaking i.e. Disinfection should be done just before use and the instrument kept in a sterile field. Key sites are defined as open wounds, including insertion sites and puncture sites. Creative Commons Attribution-NonCommercial 4.0 International License. Disposable instruments are sterilized using Ethylene oxide gas sterilization or Gamma radiation and kept sterile in packages. He/she need to drape the patient with sterile sheets exposing only the perineum and the introitus. In practice it is very easy for the gloved hand to be re-contaminated unless strict precautions are taken. It has been updated, the latest being 19 June 2017. Type of document Policy Target audience All CWP staff Document purpose The Aseptic technique policy relates to all CWP NHS Trust staff. I graduated with MBBS from University of Malaya in 1977. Enter your email address to follow this blog and receive notifications of new posts by email. I believe these principles should be spread to and applied by the public especially with the current COVID-19 pandemic. Title: Aseptic Non Touch Technique (ANTT) Policy Version No 3 1. Learn how your comment data is processed. Sterile gloves are worn to render the hand sterile since washing hands with antiseptic alone will only reduce the number of bacteria on it. However central lines, femoral lines and umbilical artery & vein catheters pose a higher risk which in turn may cause systemic sepsis or infection at distant sites. The remaining waste, including aprons and gloves, should be disposed of according to local policy (Loveday et al, 2014). Hold the non-sterile sucker tubing with the left hand and the sterile suction catheter with the right hand. Certain situations can increase vulnerability, like disturbance of the body's defenses like contradictions to anesthesia, severe burns or an immune disorder. I am a life member of the Malaysian Society for Quality in Health, Malaysia; a society I helped establish and served as a Hospital Accreditation surveyor for many years. Hands can be decontaminated by washing with soap and water or by use of alcohol-based handrub (Loveday et al, 2014). The assistant should open the sterile pack of the ETT fully. They can be disinfected using disinfectants (glutaraldehyde [CidexTM], 70% Alcohol, Gigasept, Peracetic acid, Formaldehyde, Trigene, Sodium hypochlorite). Aseptic technique requires adequate hand decontamination, the use of appropriate personal protective equipment, preparation of the environment and maintenance of a sterile field at all times. Aseptic technique improves patient safety and prevents healthcare-associated infections that may negatively impact outcomes including: increasing patient morbidity and mortality, increasing healthcare costs for patients and their families, prolonging length of stay, increasing resistance of microorganisms to antimicrobials, and increasing physical and mental discomfort for the patient.Ref … The sterile packages should not be allowed to become wet or damaged as this affects the sterility of the equipment inside. This will prevent any foreign contaminants from coming in contact with the customers and sample during testing. If there is a need to do so, the glove should be changed immediately. Principles of nursing practice ... Aseptic technique is recognised as an essential component of all infection prevention programmes but terminology used to define it varies. Surgical asepsis includes procedures to eliminate, rather than reduce, micro-organisms from an area and is practised by surgical teams and nurses in operating theatres and procedure areas, including interventional radiology (NICE, 2012). Authors: Andrea Denton and Carole Hallam are independent nurse consultants, AC Independent Nursing Consultants. Reduction of bacteria on the care provider especially the hands through hand washing, gowning and wearing sterile gloves. Box 1. Microorganisms especially bacteria is everywhere in the environment. Principles of Sterile Technique. Strict adherence to aseptic technique is indicated when performing invasive procedures including those: Where a body canal or cavity normally free of microorganism (like trachea, bronchus, urethra, bladder, ureter, kidney pelvis and calices, uterine cavity, CSF and peritoneum), is entered (e.g. The tip must then be kept sterile by holding it in the air by hanging on the drip stand with the help of a pre-prepared tape or by asking the patient to hold the line a short distance from the tip. The instrument pack when opened should cover a whole trolley and more. The new blended learning nursing degree at the University of Huddersfield offers…, Please remember that the submission of any material is governed by our, EMAP Publishing Limited Company number 7880758 (England & Wales) Registered address: 7th Floor, Vantage London, Great West Road, Brentford, United Kingdom, TW8 9AG, We use cookies to personalize and improve your experience on our site. All articles used in an operation have been sterilized previously. At the early stage of wound care gauze soaked in suitable antiseptic mentioned earlier or proprietary wound filler impregnated with antiseptic can be left inside the wound. Hence the most effective way of maintaining sterility of sterilized instruments and other items is the non-touch technique. 14. NICE guidance (2012) suggests that the ANTT framework provides a possible approach to standardised aseptic technique removing ambiguity and variance that allows a process for audit and assurance. The term ‘clean technique’ is often used to describe the procedure for dressing chronic wounds; it includes hand hygiene, preparation of a clean area with use of clean gloves and sterile instruments, such as scissors and forceps (Wound, Ostomy and Continence Nursing Society, 2012). Reducing predisposition of host to infection by: minimizing tissue injury and ischaemia including excessive use of diathermy and sutures that are too tight, shortening duration of retention of catheters / drains, Use of sterilized instruments and dressings. An aseptic technique should be implemented during any invasive procedure that bypasses the body’s natural defences e.g. ‘In use’ test (C&S) need to be done now and then. There are a number of stages and principles for aseptic technique (Table 1); the fundamental initial stage is hand hygiene, which must be performed before any aseptic technique (World Health Organization, 2019; Loveday et al, 2014). Thank you; from all of us. All equipment required should be gathered at this point and laid out in a manner to protect key parts using sterile packets, covers and caps (Rowley et al, 2010). Citation: Denton A, Hallam C (2020) Principles of asepsis 1: the rationale for using aseptic technique. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Wipe the outside of the containers, flasks, plates, and dishes with 70% ethanol before placing them in the cell culture hood. If the care provider wears a sterile gown, he/she is allowed to be in contact with the sterile field. The assistant places all tubes and containers into the sterile field using a non-touch technique. Only the top of the table with the … The aseptic technique is possible only if two care providers perform the task. I served as a doctor in primary, secondary and tertiary care with the Ministry of Health Malaysia from 1977 to 2011. Instruments that become heavily contaminated must be sterilized. No other items should be on the trolley. Where the patient has capacity, this can usually be done verbally and then documented in the patient’s record (RCN, 2017). 2. The entire flange of the cannula should remain sterile. 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