Janane Nasr, Hilal Abdessamad, Johnathan Mina, Tony Haykal, Yasser Jamil, Emma Abboud, Ahmad Mahdi, Rana Asmar, Rawad Abi Assaad, Dana Alameddine, Alaa Bourji, Mahmoud Mahdi, Razan Abdulaal, Serge Tomassian, Hanane El Ahmadieh, Wael Azzam, Jacques E Mokhbat, Rima Moghnieh, Alfonso J Rodriguez-Morales, Rola Husni
{"title":"黎巴嫩革兰氏阴性菌血症的流行病学：对四家医院的研究。","authors":"Janane Nasr, Hilal Abdessamad, Johnathan Mina, Tony Haykal, Yasser Jamil, Emma Abboud, Ahmad Mahdi, Rana Asmar, Rawad Abi Assaad, Dana Alameddine, Alaa Bourji, Mahmoud Mahdi, Razan Abdulaal, Serge Tomassian, Hanane El Ahmadieh, Wael Azzam, Jacques E Mokhbat, Rima Moghnieh, Alfonso J Rodriguez-Morales, Rola Husni","doi":"10.1186/s12941-024-00740-0","DOIUrl":null,"url":null,"abstract":"<p><strong>Introduction: </strong>Gram-negative bacteremia is a life-threatening infection with high morbidity and mortality. Its incidence is rising worldwide, and treatment has become more challenging due to emerging bacterial resistance. Little data is available on the burden and outcome of such infections in Lebanon.</p><p><strong>Methods: </strong>We conducted this retrospective study in four Lebanese hospitals. Data on medical conditions and demographics of 2400 patients diagnosed with a bloodstream infection based on a positive blood culture were collected between January 2014 and December 2020.</p><p><strong>Results: </strong>Most bacteremias were caused by Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii, with the more resistant organisms being hospital-acquired. Third-generation cephalosporin and quinolone resistance was steady throughout the study, but carbapenem resistance increased. Mortality with such infections is high, but carbapenem resistance or infection with Pseudomonas or Acinetobacter species were significant risk factors for poor outcomes.</p><p><strong>Conclusion: </strong>This is the first multi-center study from Lebanon on gram-negative bacteremia, resistance patterns, and factors associated with a poor outcome. More surveillance is needed to provide data to guide empirical treatment for bacteremia in Lebanon.</p>","PeriodicalId":8052,"journal":{"name":"Annals of Clinical Microbiology and Antimicrobials","volume":"23 1","pages":"90"},"PeriodicalIF":4.6000,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11465513/pdf/","citationCount":"0","resultStr":"{\"title\":\"The epidemiology of gram-negative bacteremia in Lebanon: a study in four hospitals.\",\"authors\":\"Janane Nasr, Hilal Abdessamad, Johnathan Mina, Tony Haykal, Yasser Jamil, Emma Abboud, Ahmad Mahdi, Rana Asmar, Rawad Abi Assaad, Dana Alameddine, Alaa Bourji, Mahmoud Mahdi, Razan Abdulaal, Serge Tomassian, Hanane El Ahmadieh, Wael Azzam, Jacques E Mokhbat, Rima Moghnieh, Alfonso J Rodriguez-Morales, Rola Husni\",\"doi\":\"10.1186/s12941-024-00740-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Introduction: </strong>Gram-negative bacteremia is a life-threatening infection with high morbidity and mortality. Its incidence is rising worldwide, and treatment has become more challenging due to emerging bacterial resistance. Little data is available on the burden and outcome of such infections in Lebanon.</p><p><strong>Methods: </strong>We conducted this retrospective study in four Lebanese hospitals. Data on medical conditions and demographics of 2400 patients diagnosed with a bloodstream infection based on a positive blood culture were collected between January 2014 and December 2020.</p><p><strong>Results: </strong>Most bacteremias were caused by Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii, with the more resistant organisms being hospital-acquired. Third-generation cephalosporin and quinolone resistance was steady throughout the study, but carbapenem resistance increased. Mortality with such infections is high, but carbapenem resistance or infection with Pseudomonas or Acinetobacter species were significant risk factors for poor outcomes.</p><p><strong>Conclusion: </strong>This is the first multi-center study from Lebanon on gram-negative bacteremia, resistance patterns, and factors associated with a poor outcome. More surveillance is needed to provide data to guide empirical treatment for bacteremia in Lebanon.</p>\",\"PeriodicalId\":8052,\"journal\":{\"name\":\"Annals of Clinical Microbiology and Antimicrobials\",\"volume\":\"23 1\",\"pages\":\"90\"},\"PeriodicalIF\":4.6000,\"publicationDate\":\"2024-10-09\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11465513/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Annals of Clinical Microbiology and Antimicrobials\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1186/s12941-024-00740-0\",\"RegionNum\":2,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"MICROBIOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annals of Clinical Microbiology and Antimicrobials","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1186/s12941-024-00740-0","RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MICROBIOLOGY","Score":null,"Total":0}
The epidemiology of gram-negative bacteremia in Lebanon: a study in four hospitals.
Introduction: Gram-negative bacteremia is a life-threatening infection with high morbidity and mortality. Its incidence is rising worldwide, and treatment has become more challenging due to emerging bacterial resistance. Little data is available on the burden and outcome of such infections in Lebanon.
Methods: We conducted this retrospective study in four Lebanese hospitals. Data on medical conditions and demographics of 2400 patients diagnosed with a bloodstream infection based on a positive blood culture were collected between January 2014 and December 2020.
Results: Most bacteremias were caused by Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii, with the more resistant organisms being hospital-acquired. Third-generation cephalosporin and quinolone resistance was steady throughout the study, but carbapenem resistance increased. Mortality with such infections is high, but carbapenem resistance or infection with Pseudomonas or Acinetobacter species were significant risk factors for poor outcomes.
Conclusion: This is the first multi-center study from Lebanon on gram-negative bacteremia, resistance patterns, and factors associated with a poor outcome. More surveillance is needed to provide data to guide empirical treatment for bacteremia in Lebanon.
期刊介绍：
Annals of Clinical Microbiology and Antimicrobials considers good quality, novel and international research of more than regional relevance. Research must include epidemiological and/or clinical information about isolates, and the journal covers the clinical microbiology of bacteria, viruses and fungi, as well as antimicrobial treatment of infectious diseases.
Annals of Clinical Microbiology and Antimicrobials is an open access, peer-reviewed journal focusing on information concerning clinical microbiology, infectious diseases and antimicrobials. The management of infectious disease is dependent on correct diagnosis and appropriate antimicrobial treatment, and with this in mind, the journal aims to improve the communication between laboratory and clinical science in the field of clinical microbiology and antimicrobial treatment. Furthermore, the journal has no restrictions on space or access; this ensures that the journal can reach the widest possible audience.
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