مدونة
What are the key ICU infection prevention and control concerns? Jul 09, 2024

ICU is a specialised ward in hospitals for intensive care patients, providing systematic, high-quality medical supervision and treatment technology for patients with life-threatening dysfunction of one or more organs and systems due to various reasons.ICU patients have many basic diseases, critical and complex conditions, low immune function, invasive operations and other characteristics, and belong to the high-risk group for infection. Once the infection occurs, it will increase the difficulty of clinical treatment and bring great mental pressure and economic burden to patients, which can be said to be ‘worse than worse’, and even endanger the patients' lives. Therefore, the sensory control personnel should go deep into the ICU, carry out infection risk assessment, find out the infection risk point as early as possible, strike in time, take intervention and control measures, and escort for the safety of patients.


Focus on the management of patients with multi-drug resistant bacteria
ICU is a high incidence of multi-drug resistant bacteria infection in hospitals, and data from China's bacterial drug resistance monitoring network show that there are a large number of multi-drug resistant bacteria in the ICU environment, of which the top three drug resistant bacteria in the detection rate are Acinetobacter baumannii, methicillin-resistant Staphylococcus aureus, and Pseudomonas aeruginosa. Both colonised and infected bacteria are infectious. Therefore, the hospital infection management department and ICU should strengthen the management of patients with multi-drug-resistant bacteria, strictly implement the quality control at the hospital and department levels, and improve the implementation rate of contact isolation measures for patients with multi-drug-resistant bacteria to avoid cross-infection.

1. Focus on patient placement: priority should be given to placing patients with CRE, CD infection or colonisation in single patient rooms, especially patients with high risk of transmission, such as patients with artificial airway mechanical ventilation, incontinence, wounds with continuous secretion, etc.; when there are no conditions to implement single-room isolation, patients with the same kind of drug-resistant bacterial infection or colonisation should be placed in the same patient room or isolation area to ensure that there is sufficient bed spacing between the patient and others, at least 1.5m apart, and should not be placed in the same area with patients with susceptibility factors such as retaining various types of tubes, having open wounds or immunocompromised patients. When there is no condition to implement single room isolation, patients infected or colonised with the same drug-resistant bacteria should be placed in the same ward or isolation area, and ensure that there is sufficient spacing between the beds and other patients, at least 1.5m apart, and should not place patients infected or colonised with patients with susceptibility factors such as indwelling various types of tubes, open wounds or immunocompromised in the same area.
2. Pay attention to environmental cleanliness and disinfection: environmental cleanliness and disinfection play an indispensable role in controlling the infection and spread of clinically important drug-resistant bacteria, the environment includes the ground, bed linen and all kinds of object surfaces, especially high-frequency contact with object surfaces.
Patient bed linen should be disinfected by wiping with chlorine 500mg/L chlorine disinfectant, at least twice a day. When more multi-drug-resistant bacteria are detected in the department or when there are clusters of infections, strengthened disinfection should be implemented to increase the frequency of disinfection without increasing the concentration of disinfectant. Cleaning utensils are used separately and handled separately after use, first disinfected, then cleaned and dried for spare parts.
3. Pay attention to the cleaning and disinfection of instruments and equipment: thermometers, stethoscopes, etc. It is recommended that each bed be equipped with a set, dedicated to a specific person, and disinfected in a timely manner after use; bedside electrocardiographs, ultrasound machines, bedside glucose meters and other medical equipment and instruments that are difficult to realise the dedication of a specific person, and the implementation of one person, one person, one person, one person, one person, one person, one person, one person, one person, one person, one person and one person.
4. Focus on personal protection: the department should be based on the risk of occupational exposure of diagnosis and treatment and nursing operations with all the corresponding qualified protective equipment, staff according to the risk of exposure during the operation of a reasonable choice of the correct use of protective equipment, after use according to the treatment of infectious medical waste, disposable protective equipment is prohibited from repeated use.
5. Attention to the management of foreign personnel: ICU should strengthen the management of foreign personnel, including consultation personnel, rehabilitation technicians, ultrasound diagnostic technicians, etc., and strengthen the supervision of behaviours, including hand hygiene, personal protection, and disinfection of diagnostic and therapeutic instruments used.
6. Focus on medical waste management: Only infectious medical waste bins are configured at the bedside of patients with multi-drug-resistant bacteria, which are used to contain domestic waste and infectious waste generated by patients with multi-drug-resistant bacteria. Vancomycin-resistant Staphylococcus aureus infection or colonisation of medical waste generated by patients need to use double-layer medical waste bags, full 3/4 of the use of gooseneck layering method for effective sealing.
7. Concerned about the management of medical fabrics: medical fabrics generated by patients with multi-drug-resistant bacteria should be collected using orange infectious fabric bags or water-soluble fabric bags bedside airtight, prohibited from counting, and collected separately from medical fabrics replaced by ordinary patients, placed separately, and sent to the isolation laundries for cleaning and disinfection.

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