急诊成人重症社区获得性肺炎的病原菌特征及其耐药性分析

doi:10.3969/j.issn.1001-8131.2026.05.004

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Abstract Objective Investigating the pathogenic characteristics and antibiotic resistance analysis of severe community-acquired pneumonia(SCAP)in emergency adults,providing a basis for early empirical selection of antibiotics. Methods We collected 202 cases of SCAP patients in our hospital from July 2024 to October 2025,conducted sputum bacterial cultures for them,and performed drug sensitivity tests to understand the pathogenic bacteria in the patients and analyze their drug resistance situation. Results A total of 224 pathogens were detected in 202 patients,including 118 Gram-negative bacteria(52.68%),59 Gram-positive bacteria(26.34%),and 47 fungi(20.98%).Among the patients,Pseudomonas aeruginosa,Acinetobacter baumannii,and Klebsiella pneumoniae had a resistance rate of 0.00% to meropenem and imipenem,and showed relatively low resistance(<30.00%)to amikacin and cefoperazone-sulbactam.Among the patients,Streptococcus pneumoniae and Staphylococcus aureus had a resistance rate of 0.00% to vancomycin and teicoplanin,and showed relatively low resistance(<30.00%)to tetracycline,gentamicin,and levofloxacin. Conclusion In clinical practice,it is important to improve pathogen detection and drug sensitivity testing as early as possible,and to select antibiotics reasonably based on the Results of drug sensitivity testing.This is of great significance for reducing the mortality rate and improving the prognosis of emergency SCAP patients.However,this study has the limitation of limited sample size,and in the future,the sample size needs to be expanded to obtain data with higher levels of evidence.

Key words： Emergency Severe community-acquired pneumonia Pathogen Drug resistance

Received: 05 April 2026

PACS:

R734.2

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	Articles by authors
	Lü
	Chengtian
	Yan Yongxin
	Liu Shizhuan
	Guan Yuanzhi Zhou Ming

Cite this article:

Lü,Chengtian,Yan Yongxin, et al. Analysis of the Characteristics of Pathogenic Bacteria and Their Drug Resistance in Adult Patients with Severe Community-acquired Pneumonia in the Emergency Department[J]. journal1, 2026, 46(5): 13-15.

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http://www.hrbyybjb.org.cn/EN/10.3969/j.issn.1001-8131.2026.05.004 OR http://www.hrbyybjb.org.cn/EN/Y2026/V46/I5/13

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