{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T08:13:21Z","timestamp":1793607201856,"version":"4.5.0"},"reference-count":68,"publisher":"Public Library of Science (PLoS)","issue":"3","license":[{"start":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T00:00:00Z","timestamp":1772668800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"\n Background<\/jats:title>\n \n Klebsiella pneumoniae<\/jats:italic>\n ,\n Acinetobacter<\/jats:italic>\n species, and\n Pseudomonas aeruginosa<\/jats:italic>\n are priority pathogens identified by the World Health Organization that have emerged as major causes of healthcare-associated infections. Their increasing resistance to multiple antimicrobial agents poses significant challenges to clinical management and infection control efforts.\n <\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n \n This study aimed to determine the prevalence, associated risk factors, antimicrobial resistance patterns, and carbapenemase production of\n K. pneumoniae<\/jats:italic>\n ,\n Acinetobacter<\/jats:italic>\n spp., and\n P. aeruginosa<\/jats:italic>\n among hospitalized patients with suspected bloodstream, urinary tract, and surgical site healthcare-associated infections at the University of Gondar Comprehensive Specialized Hospital, Northwest Ethiopia.\n <\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n A hospital-based cross-sectional study was conducted from August 2024 to June 2025 among 477 patients suspected of bloodstream, urinary tract, or surgical site healthcare-associated infections. Socio-demographic and clinical data were collected using a semi-structured questionnaire. Blood, urine, and wound\/pus specimens were aseptically collected and inoculated on MacConkey, blood, and cysteine lactose electrolyte-deficient agar following standard microbiological techniques. Antimicrobial susceptibility testing was performed using the Kirby-Bauer disc diffusion method on Mueller-Hinton agar according to Clinical and Laboratory Standards Institute guidelines. Data were analyzed using SPSS version 27. Bivariate and multivariate logistic regression analyzes were used to identify factors associated with healthcare-associated infections. P value\u2009<\u20090.05 was considered statistically significant.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n Among the 477 patients, 118 (24.7%) developed healthcare-associated infections caused by\n K. pneumoniae<\/jats:italic>\n ,\n Acinetobacter<\/jats:italic>\n spp., and\n P. aeruginosa<\/jats:italic>\n , with culture positivity rates of 14.9%, 4.8%, and 5%, respectively. Significant associated factors included age under five (AOR\u2009=\u200913.260, p\u2009<\u20090.001) and 5\u201317 (AOR\u2009=\u20094.081, p\u2009<\u20090.025), prior hospital admission (AOR\u2009=\u20098.302, p\u2009<\u20090.001), prolonged hospital stay (AOR\u2009=\u20093.213, p\u2009<\u20090.001), and admission to the orthopedic ward (AOR\u2009=\u20096.071, p\u2009<\u20090.003). Multidrug resistance was detected in 94.4% of\n K. pneumonia<\/jats:italic>\n e, 69.6% of\n Acinetobacter<\/jats:italic>\n spp., and 58.3% of\n P. aeruginosa<\/jats:italic>\n isolates. Carbapenemase production occurred in 92%, 77.8%, and 57.1% of these carbapenem-resistant isolates, respectively. Amikacin, meropenem, and ciprofloxacin were the most effective antimicrobials, whereas chloramphenicol was effective only against\n K. pneumonia<\/jats:italic>\n e.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n \n This study showed high prevalence of multidrug resistance and carbapenemase production among\n K. pneumoniae<\/jats:italic>\n ,\n Acinetobacter<\/jats:italic>\n spp., and\n P. aeruginosa<\/jats:italic>\n in the study area, highlighting the urgent need to strengthen infection prevention and control measures and to promote antimicrobial stewardship programs.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1371\/journal.pone.0344280","type":"journal-article","created":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T18:25:08Z","timestamp":1772735108000},"page":"e0344280","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":1,"title":["Multidrug resistance patterns and carbapenemase production among Gram-negative bacteria causing healthcare-associated infections in hospitalized patients at the University of Gondar Comprehensive Specialized Hospital, Northwest Ethiopia"],"prefix":"10.1371","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7878-6109","authenticated-orcid":true,"given":"Kindu","family":"Alem","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mucheye","family":"Gizachew","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mulat","family":"Dagnew","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Worku","family":"Ferede","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Solomon","family":"Belay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Baye","family":"Gelaw","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feleke","family":"Moges","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,3,5]]},"reference":[{"issue":"1","key":"pone.0344280.ref001","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1186\/s12992-024-01046-8","article-title":"AMR and Sustainable Development Goals: at a crossroads","volume":"20","author":"B Aslam","year":"2024","journal-title":"Global Health"},{"issue":"5","key":"pone.0344280.ref002","doi-asserted-by":"crossref","first-page":"400","DOI":"10.3390\/antibiotics13050400","article-title":"Prevalence of Infections and Antimicrobial Resistance of ESKAPE Group Bacteria Isolated from Patients Admitted to the Intensive Care Unit of a County Emergency Hospital in Romania","volume":"13","author":"A-S Bereanu","year":"2024","journal-title":"Antibiotics (Basel)"},{"key":"pone.0344280.ref003","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.ijregi.2023.01.002","article-title":"Epidemiology and mortality outcome of carbapenem- and colistin-resistant Klebsiella pneumoniae, Escherichia coli, Acinetobacter baumannii, and Pseudomonas aeruginosa bloodstream infections","volume":"7","author":"A Balkhair","year":"2023","journal-title":"IJID Reg"},{"key":"pone.0344280.ref004","unstructured":"WHO. 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