DISINFACTS | Issue 1/2021

17 PRACTICE Our contribution to better infection prevention – highlights from the past ten years: Establishing the Expert Customer Support: 1,000 questions, one BODE SCIENCE CENTER! Launch of the BSC website: ‘www.bode-science- centre.com ’ as a knowledge portal for all questions relating to disinfection and infection protection (with pathogen search, concentration calculator, articles on hygiene measures and current topics, etc.) eLearning programmes on hand hygiene: Learning important measures in a playful way Placing a peripheral venous catheter (only when indicated) Position patient Open sterile package of the catheter Disinfect hands Select insertion site (preferably back of the hand and forearm) , compress vain and palpate Disinfect the skin (pay attention to exposure time!) Afterwards, do not palpate puncture site (unless aseptic technique is maintained) Put on gloves Disinfect hands Puncture vein and insert catheter Remove tourniquet and needle Aseptically connect sterile plug / infusion Apply sterile dressing to puncture site and fix Remove gloves Disinfect hands Disinfect contact surfaces Pay particular attention to these critical moments to prevent infections. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Example checklist. Deviations and additions possible depending on facility-specific risk assessment. Please note: Document date of insertion in the patient file 07.18 Coronaviruses including SARS-CoV-2 The pathogens’ risk potential – preventing infections by basic hygiene measures What are coronaviruses? Coronaviruses belong to the family of Coronaviridae . These enveloped viruses may cause respiratory tract infections, such as colds, bronchitis or pneumonia and gastrointestinal infections. In December 2019, several cases of pneumonia caused by a novel coronavirus (SARS-CoV-2) were reported in Wuhan City (China). The disease is called Coronavirus disease 2019 (COVID 19). Further important representatives within the family of Coronaviridae are: SARS-CoV (Severe Acute Respiratory Syndrome coronavirus) and MERS-CoV (Middle East Respiratory Syndrome coronavirus). Hygiene measures can considerably reduce the risk of infection with coronaviruses. One crucial element of infection prevention is a consequent basic hygiene including hand disinfection and surface disinfection. What symptoms does a SARS-CoV-2 infection have? The symptoms of an infection with SARS-CoV-2 can vary but often include often fever and dry cough. Most infections are mild to moderate. However, there are also severe and life-threatening courses of disease with pneumonia up to acute lung failure. Severe courses of the disease usually occur in elderly and previously ill persons. Which disinfectants can be used? For the inactivation of coronaviruses such as SARS-CoV, MERS-CoV and SARS-CoV-2, disinfectants that are at least virucidal against enveloped viruses should be used. HARTMANN disinfection products for hands (Sterillium range), skin, surface (Bacillol range, Kohrsolin range, Mikrobac range, Dismozon range) and instruments (Bomix plus, Korsolex range) fulfil the requirements and can be used. What are the paths of infection? Transmission path Carrier Droplet Airborne droplets that are produced during infection speaking, sneezing or coughing can be transported short distances and by this reach other persons´ respiratory tracts and mucous membranes. Direct Transmission via hands, e.g. of patients or transmission medical and nursing staff Indirect When touching contaminated transmission surfaces, e.g. bedside tables, bedframes, stethoscopes, etc., the hands can be contaminated with virus particles which can then be transmitted to other persons. 2012 SOPs for PVC - from research to practice: Development of SOPs with hygiene-relevant steps for the placement of a peripheral venous catheter (PVK); applied in a joint study with multimodal intervention at the Univer- sity Medical Centre Hamburg-Eppendorf.[1,2] 2013 Reprocessing of wipe dispensers for surface disinfection: Collection and examination of contaminated wipe dispensers; develop- ment and publication of a new set of reprocessing guidelines. Psychological aspects of hygiene: Improving hand hygiene through a novel approach combining goal setting and feedback at group level. Study in cooperation with the University of Ulm at Heidenheim Hospital [3] 2014 2019 ‘Observe’ app: Developing an app for monitoring and analysing hand hygiene compliance. 2017 ‘My Hygiene SOP’ app: Developing an app for defining, observing and analysing nursing and medical measures and other relevant processes and SOPs Better hand hygiene compliance before aseptic tasks Successful multimodal intervention in a study with the Charité; the HARTMANN SOPs, the Eurodispenser 3 flex and the Observe App were used [4]. 2020 2011 https://www.bode-science-center.com https://www.bode-science-center.com/center/e-learning.html http://bit.ly/study_dispensers http://bit.ly/study_patientsafety http://bit.ly/study_hygiene http://bit.ly/multimodal_intervention Improving hand hygiene compliance before aseptic tasks Intervention study by Charité in Berlin with the active involvement of the BODE SCIENCE CENTER Two-arm cluster randomised intervention study: 2017–2018; intervention phase of one year Significant increase in hand hygiene compliance before aseptic procedures in the intervention group: from 44 % (baseline) to 53 % (p=0.03) Fewer positive blood cultures in intervention wards (vs. control wards): 0.71 vs. 1.16 / 1,000 patient days 10 normal wards for intervention 10 normal wards for control Study design Study period Interventions Measurements during intervention phase Focus on aseptic tasks Team meetings with feedback sessions SOPs for optimised processes Training videos Observation of hand hygiene compliance with the Observe App Rate of positive blood cultures per 1,000 patient days Eurodispenser 3 flex on all infusion stands Study results (07.20) Download Poster: Source: Aghdassi et al. (2020) A multimodal intervention to improve hand hygiene compliance in peripheral wards of a tertiary care university centre: a cluster randomised controlled trial. Antimicrob Resist Infect Control (2020) 18;9(1):113.

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