New Microbiologica最新文献

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In vitro analysis of Porcine Endogenous Retroviruses in different pig cell types. 猪内源性逆转录病毒在不同猪细胞类型中的体外分析。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Andrea Cacciamali, Silvia Dotti, Riccardo Villa
{"title":"In vitro analysis of Porcine Endogenous Retroviruses in different pig cell types.","authors":"Andrea Cacciamali, Silvia Dotti, Riccardo Villa","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The shortage of organs for human transplantation is a topic of extreme interest, and xenotransplantation with porcine organs has been recognized as a promising solution. However, the potential spillover linked to infectious agents present in pigs remains a concern. Among these, Pig Endogenous Retroviruses (PERVs), whose proviral DNAs are integrated in the genome of all pig breeds, represent an extremely important biological risk. This study aims to evaluate PERVs distribution in several swine cell lines and samples of domestic and feral pigs. Moreover, the capacity of PERVs to infect human and non-human primate cells and to integrate in the cellular genome was tested by Real-Time PCR and by Reverse Transcriptase assay. Results indicated a widespread diffusion of PERVs both in cell lines and samples analysed: the viral genome was found in all the established cell lines, in 40% of the primary cell lines and in 60% of the tissue samples tested. The assays indicated that the virus can be transmitted from porcine to human cells: in the specific case, infected NSK and NPTr cells allow passage to human 293 and MRC-5 cells with active production of the virus demonstrable via PCR and RT assay. In light of these aspects and also the lack of studies on PERVs, it appears clear that there are still many questions to be clarified, also by means of future studies, before xenotransplantation can be considered microbiologically safe.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"38-46"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140868757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of cases with co-infection of COVID-19 and pulmonary aspergillosis. 对同时感染 COVID-19 和肺曲霉菌病的病例进行分析。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Hui Zheng Hu, Li Bo Wu, Qian Liu, Bin Yan Wu, Yu Wang, Rui Ying Wang
{"title":"Analysis of cases with co-infection of COVID-19 and pulmonary aspergillosis.","authors":"Hui Zheng Hu, Li Bo Wu, Qian Liu, Bin Yan Wu, Yu Wang, Rui Ying Wang","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The objective of this study was to investigate the risk factors and diagnosis measure of COVID-19-associated pulmonary aspergillosis (CAPA). This study included 201 COVID-19 patients from December 1, 2022, to January 31, 2023; 7 (3.5%) were diagnosed with CAPA. The main risk factors were age, MV, ICU admission and COPD, and the presence of comorbidities such as ARDS and hypoproteinemia in COVID-19 patients, more susceptible to Aspergillus infection. In addition to specimen culture in the lower respiratory tract, the 1,3-β-D-glucan antigen test can serve as an important screening indicator for early CAPA diagnosis in non-granulocytopenia patients.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"98-102"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140873143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the Pneumonia Panel on laboratory samples from an Italian pediatric center: results from a monocentric study. 对意大利一家儿科中心实验室样本中的肺炎样本进行评估:单中心研究的结果。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Cristiana de Luca, Emanuela Gallo, Gabriella Tripepi, Ornella Leone
{"title":"Evaluation of the Pneumonia Panel on laboratory samples from an Italian pediatric center: results from a monocentric study.","authors":"Cristiana de Luca, Emanuela Gallo, Gabriella Tripepi, Ornella Leone","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Lower respiratory tract infections (LRTI) are still burdened by considerable morbidity and mortality. Rapid and appropriate treatment imply knowledge of the underlying causative pathogen; while it is tempting to offer broad spectrum antibiotics, Antimicrobial Stewardship Practices invite a judicious use of the latter, especially when bacteria are not the cause. However, the epidemiology shifts to multidrug resistant (MDR) pathogens that require optimization of molecules in order to provide optimal treatment. Novel methods requiring direct sample result testing such as the Biofire Pneumonia (PN) panel have recently been made available on the market. Syndromic testing may hence provide support in the diagnosis of LRTI. There is paucity of data concerning experiences in high MDR settings, and even less concerning the performance of these panels in pediatric settings with moderate MDR prevalence. Our study highlights the optimal sensitivity and importance of support from such methods in settings burdened by MDR presence and where fast and appropriate therapy is mandatory.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"33-37"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140873547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tenofovir disoproxil fumarate in the treatment of COVID-19: Evaluation of 78 patients. 富马酸替诺福韦酯治疗 COVID-19:对 78 名患者的评估。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Gamze Şanlıdağ İşbilen, Isabel Raika Durusoy Onmuş, Ilkin Çankayalı, Kubilay Demirağ, Mehmet Uyar, Candan Çiçek, Tansu Yamazhan, Hüsnü Pullukçu, Oğuz Reşat Sipahi
{"title":"Tenofovir disoproxil fumarate in the treatment of COVID-19: Evaluation of 78 patients.","authors":"Gamze Şanlıdağ İşbilen, Isabel Raika Durusoy Onmuş, Ilkin Çankayalı, Kubilay Demirağ, Mehmet Uyar, Candan Çiçek, Tansu Yamazhan, Hüsnü Pullukçu, Oğuz Reşat Sipahi","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>One of the drugs that has been suggested for the treatment of SARS-CoV-2 infection is tenofovir disoproxil (TDF). Herein, it was aimed to evaluate the outcomes of TDF receiving COVID-19 cases in terms of day 7-10 PCR negativity and day 30 survival. Patients who received TDF due to PCR-confirmed COVID-19 between 27.04.2021 and 31.12.2021 were included in our study. The primary outcome was considered to be 7-10 days of PCR negativity, while the secondary outcome was considered 30-day survival after diagnosis of COVID-19. Patients who died before completing the treatment period (7-10 days) were also considered as PCR failures. Data were analyzed both in terms of intention to treat basis and in the subgroup that survived to the end of treatment. A total of 78 patients (30 women, mean age: 61.15±18.5 years) met the inclusion criteria. In the intention to treat analysis group, one-month-mortality was 44.87% (35/78) in the overall cohort. In the end of treatment analysis group, one-month-mortality was 29.5% (18/61) in the overall cohort. Day 7-10 PCR negativity was detected in 55.7% of the overall EOT cohort. Our data suggest that TDF may be an alternative salvage treatment option in antiviral unresponsive patients. We suggest evaluating TDF in well-designed controlled trials involving treatment-naïve cases.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"47-51"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140868279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The presence of Trichomonas vaginalis in urogenital samples can affect the sensitivity of Mycoplasma hominis identification techniques, leading to an underestimation of bacterial infections. 泌尿系统样本中阴道毛滴虫的存在会影响人型支原体鉴定技术的灵敏度,导致低估细菌感染。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Valentina Margarita, Gavino Carboni, Pier Luigi Fiori, Paola Rappelli
{"title":"The presence of Trichomonas vaginalis in urogenital samples can affect the sensitivity of Mycoplasma hominis identification techniques, leading to an underestimation of bacterial infections.","authors":"Valentina Margarita, Gavino Carboni, Pier Luigi Fiori, Paola Rappelli","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Trichomonas vaginalis and Mycoplasma hominis, two microorganisms causing infections of the urogenital tract, are closely associated in that they establish an endosymbiosis relationship, the only case among human pathogens. As a result, the presence of one microorganism may be considered a sign that the other is present as well. Identification of the two pathogens in clinical samples is based on cultivation techniques on specific media, even though in recent years, new sensitive and rapid molecular techniques have become. Here, we demonstrate that the concomitant presence of T.vaginalis in urogenital swabs may lead to a delay in the identification of M.hominis, and thus to an underestimation of bacterial infections when cultural techniques are used.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"103-106"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140860550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epidemiology and Clinical impact of single and multi-viral respiratory infections in post-pandemic era. 后流行病时代单一和多种病毒呼吸道感染的流行病学和临床影响。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Maria Vittoria Mauro, Sonia Greco, Maura Pellegrini, Tommaso Campagna, Federica Caprino, Nadia Elia, Antonio Mastroianni, Francesca Greco
{"title":"Epidemiology and Clinical impact of single and multi-viral respiratory infections in post-pandemic era.","authors":"Maria Vittoria Mauro, Sonia Greco, Maura Pellegrini, Tommaso Campagna, Federica Caprino, Nadia Elia, Antonio Mastroianni, Francesca Greco","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Acute respiratory tract infections (ARI) are common diseases in children and adults and could cause severe infections in high-risk patients, like the immunocompromised and elderly, and are the leading cause of morbidity, hospitalization and mortality. This study aimed to explore the prevalence of respiratory viruses and the clinical impact of single- and multi-infection among hospitalized patients in various age groups. 3578 nasopharyngeal swabs (NPS) were analyzed for pathogen detection of acute respiratory tract infections. 930 out of 3578 NPS were diagnosed positive for at least one respiratory virus. The distribution of viral infections, prevalence and pathogen, differed significantly among age groups. Most RTI are observed in the age group over 65 years (50.6%) with a high SARS-CoV2 prevalence, following by group <5 years (25.6%), where the most frequently detected viruses were RSV, Rhinovirus, FluA-H3, MPV, and AdV. The co-infection rate also varies according to age and, in some cases, especially in older adults, could have severe clinical impact. This study emphasizes that it is important to know and analyze, in all age groups of hospitalized patients, the epidemiology of respiratory viruses, the prevalence of coinfections, and the clinical impact of various pathogens. Furthermore, in a clinical setting, the rapid diagnosis of respiratory infections by means of molecular tests is crucial not only to avoid hospital outbreaks, but also to allow early and optimal treatment to reduce morbidity and mortality.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"28-32"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140868278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanisms of Bacterial Drug Resistance with Special Emphasis on Phenotypic and Molecular Characterization of Extended Spectrum Beta-lactamase. 细菌耐药性机制,特别强调广谱β-内酰胺酶的表型和分子特征。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Daniel Geleta, Gemeda Abebe, Bikila Alemu, Netsanet Workneh, Getenet Beyene
{"title":"Mechanisms of Bacterial Drug Resistance with Special Emphasis on Phenotypic and Molecular Characterization of Extended Spectrum Beta-lactamase.","authors":"Daniel Geleta, Gemeda Abebe, Bikila Alemu, Netsanet Workneh, Getenet Beyene","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Antibiotics are designed to effectively treat bacterial infections while minimizing harm to the human body. They work by targeting specific components of bacteria or by disrupting essential processes such as cell wall synthesis, membrane function, protein production, and metabolic pathways. However, the misuse and overuse of antibiotics have led to the emergence of drug resistance in humans, animals, and agriculture, contributing to the global spread of this problem. Drug resistance can be either innate or acquired, with acquired resistance involving changes in the bacterial chromosomes or transferable elements. Bacterial species employ various mechanisms of drug resistance, including modifying the antibiotic targets, inactivating the drug, reducing uptake or increasing efflux, overexpressing the target, utilizing alternative pathways, and forming biofilms. One significant concern in the realm of drug resistance revolves around the emergence and proliferation of extended-spectrum beta-lactamases (ESBLs), a gene that is found in most gram-negative bacteria, primarily carried by Escherichia coli and Klebsiella pneumoniae in healthcare settings. ESBL-mediated resistance poses challenges for diagnosis, treatment, infection control, and antibiotic stewardship. Accurate detection of ESBL genes is crucial, and phenotypic methods are commonly used for initial screening. However, these methods have limitations, and confirmatory molecular techniques such as PCR and DNA sequencing are employed to accurately identify ESBL genes. Despite the significant global concerns surrounding ESBLs, they have spread worldwide, mainly facilitated by healthcare settings, inappropriate antimicrobial use, and host susceptibility. Addressing this issue requires implementing comprehensive measures, including enhanced surveillance, strict infection control practices, antibiotic stewardship programs, rapid diagnostic methods, alternative therapies, public education initiatives, and research focused on developing new drugs. Furthermore, collaboration among the healthcare, public health, and research sectors is pivotal in effectively combating the escalating threat posed by ESBL-mediated resistance. Antibiotics have revolutionized medical care by effectively treating bacterial infections. However, the emergence of ESBL gene resistance poses a global challenge that requires an integrated approach to prevent a threatening future.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"1-14"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140868758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A new intestinal supplement 'Synbiotics' therapeutically regulates gut microbiota and activates PPARs pathway to inhibit Alzheimer's disease progression in mouse models. 一种新型肠道补充剂 "Synbiotics "能调节肠道微生物群并激活 PPARs 通路,从而抑制小鼠模型中阿尔茨海默病的进展。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-05-01
Yanan Tong, Guoxiu Lu, Jia Guo, Miao Liu, Yinxing Dai, Jinxin Zhang, Xinru Xu, Zhiguo Wang, Guoxu Zhang
{"title":"A new intestinal supplement 'Synbiotics' therapeutically regulates gut microbiota and activates PPARs pathway to inhibit Alzheimer's disease progression in mouse models.","authors":"Yanan Tong, Guoxiu Lu, Jia Guo, Miao Liu, Yinxing Dai, Jinxin Zhang, Xinru Xu, Zhiguo Wang, Guoxu Zhang","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We aimed to investigate the role of Synbiotic preparations on the interaction of gut microbiota with AD development. APP/PS1 mice were randomized into APP/PS1 and Synbiotics groups, and C57BL/6J mice were used as wild type (WT) control group. The mice in the Synbiotics group and the APP/PS1 group were given Synbiotics and xylo-oligosaccharides for 3 months, respectively. The mice in the WT group were given the same amount of normal saline. Cognitive function was measured. Positron emission computed tomography/magnetic resonance imaging (PET/MRI) was used to detect fasting blood glucose level. Immunohistochemical assay, ELISA, western blot and qRT-PCR were carried out to detect inflammatory factors. DNA extraction of fecal sample was performed to carry out sequencing. Bioinformatics analysis, metabolites sample preparation and Liquid Chromatograph Mass Spectrometer (LC/MS) analysis were also performed. Synbiotics treatment can significantly ameliorate learning and memory competence by inhibiting Aβ protein deposition. Different bacteria in the intestine were significantly improved and changes in gut microbiota can affect the intestinal metabolism to affect multiple potential pathways after Synbiotics treatment. Synbiotics treatment can activate peroxisome proliferator activated receptor (PPARs) signaling pathway and significantly reduce neuroinflammation in APP/PS1 mice brains. Synbiotics treatment can effectively reduce neuro-inflammatory response through the regulation of intestinal microflora to delay AD development.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"47 1","pages":"68-79"},"PeriodicalIF":1.8,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140869099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical characteristics of 14 cases of Chlamydia psittaci pneumonia. 14 例鹦鹉热衣原体肺炎病例的临床特征。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-01-01
Binbin Cheng, Jun Wang, Lin Lin, Dexiang Yang, Xiaofeng Liu, Hao Wu
{"title":"Clinical characteristics of 14 cases of Chlamydia psittaci pneumonia.","authors":"Binbin Cheng, Jun Wang, Lin Lin, Dexiang Yang, Xiaofeng Liu, Hao Wu","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Among 14 patients with C. psittaci pneumonia, there were 9 critical and 5 non-critical cases. Ten patients improved clinically and were discharged to home; however, four patients died. Seven patients had a history of contact with birds or poultry. All 14 patients had a high fever as the presenting symptom, but most had a normal white blood cell count. Most of the patients had a significant increase in high-sensitivity C-reactive protein and procalcitonin levels. The lymphocyte count in the critical group was considerably lower than in the non-critical group. Patients in the critical group were more advanced in age than in the non-critical group. In addition, serum urea nitrogen, creatinine, procalcitonin, and lactate dehydrogenase levels were significantly higher in the critical group than in the non-critical group (P<0.05). The 4 patients who died had significantly increased procalcitonin levels compared to the 10 patients who survived (P<0.05). In summary, a high fever is usually the presenting complaint of patients with C. psittaci pneumonia. Such patients often progress to severe disease; however, early diagnostic confirmation by mNGS and appropriate treatment dramatically improve the prognosis. Age, lymphocyte count, procalcitonin, blood urea nitrogen, creatinine, and lactate dehydrogenase levels were shown to predict disease severity.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"46 4","pages":"416-423"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139514246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extent and Resistance Patterns of Gram-negative Bacteria Isolated From 13 Hospitals in Shaoxing, Zhejiang Province. 从浙江省绍兴市 13 家医院分离的革兰氏阴性菌的分布范围和耐药性模式。
IF 1.8 4区 医学
New Microbiologica Pub Date : 2024-01-01
Yiqing Zhou, Meichun Liang, Xiaojiao Zhang, Qiuli He, Li Lv, Guofeng Mao
{"title":"Extent and Resistance Patterns of Gram-negative Bacteria Isolated From 13 Hospitals in Shaoxing, Zhejiang Province.","authors":"Yiqing Zhou, Meichun Liang, Xiaojiao Zhang, Qiuli He, Li Lv, Guofeng Mao","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Gram-negative bacteria are increasingly recognized as the sauce of severe infections. In recent years, epidemiological data has indicated that the drug resistance rate of Gram-negative bacteria has significantly increased. We analyzed the epidemiological surveillance data of gram-negative bacteria in Shaoxing City in 2021 by retrospectively collecting drug susceptibility data of Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Enterobacter cloacae, Pseudomonas aeruginosa, Acinetobacter baumannii, and Burkholderia cepacian from thirteen tertiary hospitals. A total of 24,142 strains were collected from thirteen hospitals. The isolation rates of E. coli, K. pneumoniae, P. aeruginosa, A. baumannii, P. mirabilis, E. cloacae, and B. cepacian were 29.25%, 18.83%, 11.03%, 8.43%, 3.80%, 3.12%, and 0.75%, respectively. Among them, 2.86% were carbapenem-resistant E. coli, 12.98% were CRKP, 31.27% were CRPA, and 34.77% were CRAB. Carbapenem-resistant Enterobacterales were more sensitive to ceftazidime-avibactam and polymyxin. The drug resistance rates of P. aeruginosa and A. baumannii to polymyxin were 0 and 1.3%, but the resistance rates to ceftazidime-avibactam were 10.5% and 26.0%, respectively. Based on results from epidemiological data, CRKP had a high isolation rate and non-fermenting bacteria had a high resistance rate to ceftazidime-avibactam. All hospitals should strengthen monitoring and enact continuous intervention to reduce the generation and spread of drug-resistant bacteria.</p>","PeriodicalId":54723,"journal":{"name":"New Microbiologica","volume":"46 4","pages":"340-347"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139514251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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