{"title":"用圆盘近似法和琼脂稀释法诱导实验验证头孢西丁对头孢噻肟的体外拮抗作用。","authors":"S W Chandler, F S Nolte","doi":"10.1007/BF02013114","DOIUrl":null,"url":null,"abstract":"<p><p>Cefoxitin-resistant clinical isolates of Enterobacter spp. demonstrated inducible beta-lactamase activity in 31 of 47 (65.9%) disk approximation tests and in 32 of 52 (63.5%) agar dilution induction tests. Agreement between the two results was only 72.3%, and 80.9% of the strains were positive in at least one induction test. Lack of valid interpretive criteria preclude their routine use in the clinical laboratory.</p>","PeriodicalId":11958,"journal":{"name":"European Journal of Clinical Microbiology","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1987-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1007/BF02013114","citationCount":"2","resultStr":"{\"title\":\"Evaluation of disk approximation and agar dilution induction tests for demonstration of in vitro antagonism of cefotaxime by cefoxitin in Enterobacter species.\",\"authors\":\"S W Chandler, F S Nolte\",\"doi\":\"10.1007/BF02013114\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Cefoxitin-resistant clinical isolates of Enterobacter spp. demonstrated inducible beta-lactamase activity in 31 of 47 (65.9%) disk approximation tests and in 32 of 52 (63.5%) agar dilution induction tests. Agreement between the two results was only 72.3%, and 80.9% of the strains were positive in at least one induction test. Lack of valid interpretive criteria preclude their routine use in the clinical laboratory.</p>\",\"PeriodicalId\":11958,\"journal\":{\"name\":\"European Journal of Clinical Microbiology\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1987-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1007/BF02013114\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"European Journal of Clinical Microbiology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1007/BF02013114\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Journal of Clinical Microbiology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/BF02013114","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Evaluation of disk approximation and agar dilution induction tests for demonstration of in vitro antagonism of cefotaxime by cefoxitin in Enterobacter species.
Cefoxitin-resistant clinical isolates of Enterobacter spp. demonstrated inducible beta-lactamase activity in 31 of 47 (65.9%) disk approximation tests and in 32 of 52 (63.5%) agar dilution induction tests. Agreement between the two results was only 72.3%, and 80.9% of the strains were positive in at least one induction test. Lack of valid interpretive criteria preclude their routine use in the clinical laboratory.
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