AI Article Synopsis
- The study assessed the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) and multidrug-resistant Gram-negative bacteria (MRGN) in outpatient care, revealing MRSA in 3.7% and ESBL/MRGN in 14.4% of patients.
- It identified significant risk factors for MRSA and MRGN colonization, including care dependency, antibiotic use, hospital stays, and previous MRSA history.
- The findings emphasize the need for nursing services to implement effective hygiene practices and protocols for managing patients colonized with multidrug-resistant organisms.
Article Abstract
Background: Data on the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in outpatient care are scarce and those on the prevalence of multidrug-resistant Gram-negative bacteria (MRGN) are lacking completely. Therefore, the network on multidrug-resistant organisms (MDRO) in the Rhine-Main region (MRE-Netz Rhein-Main) performed a multicenter study on current prevalence data and risk factors for MDRO.
Materials And Methods: Characteristics of all patients were obtained according to a modified healthcare-associated infections in long-term care facilities (HALT) questionnaire and swabs from the nares/throat and anus were tested for MRSA and extended-spectrum beta-lactamase (ESBL)/MRGN. Risk factors were calculated via odds ratios.
Results: Ten nursing services with 486 patients participated in this study, 269 patients agreed to having swabs of the nares/throat taken, and 132 patients had anal swabs. MRSA was detected in 3.7%, and ESBL/MRGN in 14.4% of the patients (6.8% ESBL, 7.6% MRGN, 0% MRGN). Risk factors for MRSA were high dependency on care (stage 3 or above; OR 5.1), antibiotic use during the preceding 3 months (O R 3.7), hospital stay during the last 6 months (OR 4.3), and a positive history for MRSA (OR 18.1). Incontinence and preceding hospital stays proved to be risk factors for ESBL colonization (OR 9.5 or 6.5), whereas risk factors for MRGN colonization were a high level of care dependency (OR 7.5), urinary catheter (OR 8.3), percutaneous endoscopic gastrostomy tube and other stomata (OR 6.2), and artificial respiration (OR 5), in addition to a positive history for MRSA (OR 20) and ESBL (OR 6.7).
Conclusion: Considering the high prevalence of colonization with MDRO in outpatient care, nursing services must be competent in caring for such patients: good hygiene procedures, including hand hygiene and appropriate handling in wound management, punctures and injections, with catheters, stomata, and if necessary with artificial respiration should be practiced. The guidelines of the German Commission on hospital hygiene and infection prevention should also be observed.
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