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All Journal Care : Jurnal Ilmiah Ilmu Kesehatan Journal of Applied Nursing and Health
Effendy, Nuraeni
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Biochemistry, Genetics & Molecular Biology Chemistry Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Nursing Public Health Veterinary

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Evaluating the Effectiveness of Chlorhexidine in Reducing Methicillin-Resistant Staphylococcus Aureus (MRSA) Contamination in Nebulizer Equipment Wisnasari, Shila; Ariningpraja, Rustiana Tasya; Lestari, Retno; Ahsan, Ahsan; Effendy, Nuraeni
Care : Jurnal Ilmiah Ilmu Kesehatan Vol 13, No 2 (2025): EDITION JULY 2025
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/jc.v13i2.6313

Abstract

Methicillin-resistant Staphylococcus aureus (MRSA) is a significant healthcare-associated pathogen, capable of spreading through contaminated aerosols generated by medical equipment such as nebulizers. The increasing prevalence of MRSA infections, coupled with challenges in effective disinfection, highlights the urgency of identifying optimal disinfection methods. This study aims to assess the effectiveness of chlorhexidine in reducing MRSA contamination in nebulizer equipment, focusing on determining the optimal concentration for disinfecting nebulizers to minimize airborne transmission. This study employed an in vitro experimental design. The study population consisted of MRSA isolates obtained from clinical sputum specimens. The samples included nebulizer equipment inoculated with MRSA suspensions standardized to 10⁷ CFU/mL. Disinfection was carried out using chlorhexidine at concentrations of 2.5%, 4%, and 5%, each diluted in 70% alcohol. Control groups were rinsed with sterile saline and 70% alcohol. Post-disinfection, the nebulizer surfaces were swabbed and cultured on Mueller-Hinton agar to quantify colony-forming units (CFUs). Data were analyzed using paired t-tests and one-way ANOVA followed by Tukey’s post-hoc test, with a significance level set at p 0.05. The results show that chlorhexidine 2.5% reduced bacterial counts to an average of 1 CFU/plate, and 4% chlorhexidine reduced it to 49 CFU/plate. Chlorhexidine 5% resulted in an average of 1,430.6625 CFU/plate. Statistical analysis revealed significant reductions with 2.5% and 4% chlorhexidine compared to controls (p0.01), whereas 5% Chlorhexidine did not show a significant difference. These findings suggest that lower concentrations of chlorhexidine may be sufficient for effective disinfection in nebulizer equipment, addressing the risk of MRSA spread through airborne particles.
Resilience, Psychological Well-Being, and Academic Success in Blended Learning: A Cross-Sectional Study among Healthcare Students Effendy, Nuraeni; Ariningpraja, Rustiana Tasya; Lestari, Retno
Journal of Applied Nursing and Health Vol. 7 No. 3 (2025): Journal of Applied Nursing and Health
Publisher : Chakra Brahmanda Lentera Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55018/janh.v7i3.275

Abstract

Background: Students in healthcare are expected to face high clinical and academic stressors that may influence their psychological well-being and academic achievement. Resilience plays a significant role in helping students navigate these challenges while maintaining their well-being. The research examines the relationship between psychological well-being, resilience, and academic achievement among Universitas Brawijaya healthcare students in a blended learning environment. Methods: A cross-sectional research design was employed, and 302 students participated through purposive sampling. Data were collected through the Academic Resilience Scale (ARS-30) and Ryff's Psychological Well-Being Scale, with GPA as an indicator of academic performance. This study was reported in accordance with the STROBE guidelines. Results: A strong positive relationship between resilience and psychological well-being (r = 0.615, p < 0.01), highlighting the focus on resilience as an effective protective factor. There was, nonetheless, no significant correlation between resilience and GPA (r = -0.006, p = 0.913).. Conclusion: Among the psychological well-being factors, environmental mastery, autonomy, and purpose in life contributed significantly to academic resilience. These findings suggest that cultivating psychological well-being, particularly ecological mastery and self-acceptance, can enable resilience in online learning environments.
Co-Authors Ahsan Ahsan Ariningpraja, Rustiana Tasya Retno Lestari Wisnasari, Shila