{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T12:44:16Z","timestamp":1787316256950,"version":"build-2736575974"},"reference-count":50,"publisher":"IWA Publishing","issue":"10","license":[{"start":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T00:00:00Z","timestamp":1759708800000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,10,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p\/>\n                  <jats:p>The threat of healthcare-associated infections is significantly heightened when caused by drug-resistant pathogens. This study evaluates water management practices and prevalence of antibiotic-resistant Pseudomonas aeruginosa in water systems of two tertiary hospitals of Ethiopia. We employed a mixed-methods approach, combining the qualitative data thematic analysis with quantitative microbiological results from 120 potable water samples. P. aeruginosa isolates were identified and subjected to antimicrobial susceptibility testing. Data collection was conducted between December 2023 and January 2024. The findings indicate that neither hospital had a dedicated water management programme for preventive maintenance. Microbial analysis revealed a 16% prevalence of P. aeruginosa in the water samples, with 26.3% of isolates demonstrating resistant to at least one antibiotic class. Notably, two isolates from the maternity ward of Hospital A exhibited multidrug resistance (MDR) to ciprofloxacin, amikacin, and imipenem. Overall, the structural and operational standard of the water management programmes in both hospitals were found to be non-conformant to international standards. A higher rate of Pseudomonas positivity, including resistant and MDR strains, indicates persistent hospital water contamination and a tangible risk for HAIs. These results underscore the critical need for the formation of multidisciplinary water safety team to optimize water quality management in these hospitals.<\/jats:p>","DOI":"10.2166\/wh.2025.042","type":"journal-article","created":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T12:44:50Z","timestamp":1759754690000},"page":"1180-1195","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":1,"title":["Water management practices and antibiotic-resistant\n                    <i>Pseudomonas aeruginosa<\/i>\n                    contamination in Ethiopian tertiary hospitals: implications for waterborne healthcare-associated infections"],"prefix":"10.2166","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-6740-4362","authenticated-orcid":false,"given":"Etsub Brhanesilassie","family":"Hailemichael","sequence":"first","affiliation":[{"name":"a Ethiopian Water Resources Institute, Addis Ababa University, Addis Ababa, 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