Klinik örneklerden izole edilen anaerobik bakteriler: Yedi yıllık değerlendirme

Uysal, Elif Bilge; Çelik, Cem; Alan, Çağlar; Kaya, Havva; Gözel, Mustafa Gökhan; Bakıcı, Mustafa Zahir

doi:10.7197/cmj.v36i3.5000034023

Cited by 2 publications

(2 citation statements)

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“…Bacteroides spp., Fusobacterium spp., and Prevotella spp. constituted the major group of anaerobic Gram-negative bacilli, which is consistent with the previous studies [1,[9][10][11][12]. Among the Gram-positive bacteria, anaerobic species Finegoldia magna (formerly Peptostreptococcus magnus) were the most frequently isolated (10.5%) from specimens other than blood.…”

Section: Discussionsupporting

confidence: 88%

“…Gram-negative bacilli, namely Bacteroides spp., Fusobacterium spp., Porphyromonas spp., and Prevotella spp., are known to be the most isolated organisms from anaerobic infections [1,[8][9][10][11][12]. In our study, 76 anaerobic bacteria were isolated from specimens other than blood and approximately half (47.4%) of these isolates were Gram-negative bacilli.…”

Section: Discussionmentioning

confidence: 72%

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Identification and distribution of anaerobic bacteria isolated from clinical specimens in a University Hospital: 4 years’ experience

Sancak

Mirza

Altun

et al. 2022

Microbiology Independent Research Journal (MIR Journal)

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Anaerobes, which are components of microbiota, can cause life-threatening infections. Because of their fastidious nature, they are difficult to isolate and are often overlooked. The goal of this study was to identify the anaerobic bacteria isolated from clinical specimens at the Central Laboratory of Hacettepe University Hospital in 2015-2018 and to evaluate the distribution of the isolated bacterial species among the different specimen types. The anaerobic bacteria isolated from the specimens were identified by the conventional methods and MALDI-TOF MS.Overall, 15,300 anaerobic cultures were studied. Of these, 14,434 (94.3%) were blood samples and 866 (5.7%) were other clinical specimens. A total of 138 anaerobic bacteria were isolated: 62 (44.9%) were isolated from blood samples and 76 (55.1%) from other specimens. The most isolated anaerobes from blood cultures were Bacteroides spp. (41.9%), followed by Cutibacterium acnes (25.8%) and Clostridium spp. (9.7%). The most isolated anaerobes from the other specimens were Gram-negative bacilli, including Bacteroides spp. (15.8%), Fusobacterium spp. (14.5%), Prevotella spp. (14.5%), and Porphyromonas spp. (2.6%). Anaerobic Finegoldia magna represented the major species among the isolated Gram-positive bacteria (10.5%). Anaerobic growth was observed in 0.4% of all the blood cultures and in 5.8% of the positive blood cultures. The results of our study showed that the incidence of anaerobic bacteremia was stable during the 2015-2018 period.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 72%

Identification and distribution of anaerobic bacteria isolated from clinical specimens in a University Hospital: 4 years’ experience

Sancak

Mirza

Altun

et al. 2022

Microbiology Independent Research Journal (MIR Journal)

View full text Add to dashboard Cite

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Klinik Örneklerden İzole Edilen Anaerop Bakterilerin Tiplendirilmesi ve Antibiyotik Direnç Profillerinin Belirlenmesi

ASGAROVA,

KİBAR,

GÜMÜŞ

2023

Journal of Biotechnology and Strategic Health Research

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Objective: In this study, it was aimed to identify anaerobic bacteria isolated from various clinical samples, and to determine their antibiotic resistance by gradient method (E-test). Methods: The study was carried out between January 15 and November 1, 2021. The 213 of 863 samples were included in the study. Anaerobic strains were isolated by conventional methods and identified by an automated system. Antimicrobial susceptibility was determined by the gradient method according to the Clinical and Laboratory Standards Institute (CLSI) criteria. Results: Anaerobic bacteria were detected in 10.3% of the samples, aerobic/facultative anaerobic bacteria were detected in 34.8%, while growth was not observed in 54.9% of the samples. The 77% of the samples were abscess. The 72.7% of anaerobic bacteria were Gram positive bacteria, and 27.3% were Gram negative bacteria. The most common species were; Cutibacterium (22.7%), Actinomyces (18.3%), Prevotella (13.7%), Bacteroides (9.1%), Anaerococcus (9.1%), Clostridium species (9.1%). The antibiotic susceptibilities of all anaerobic bacteria were as following; moxifloxacin (95.5%), piperacillin-tazobactam (95.5%), amoxicillin-clavulanic acid (95.5%), cefoxitin (90.9%), meropenem (90.9%), clindamycin (77.3%), ampicillin (59.1%), and metronidazole (22.7%), respectively. The susceptibility rates of gram positive bacilli were 91.7% for ampicillin, amoxicillin-clavulanic acid, piperacillin-tazobactam, cefoxitin, moxifloxacin, meropenem, and 75% for clindamycin. In Gram positive cocci, susceptibility to ampicillin was 50%, susceptibility to amoxicillin-clavulanic acid, piperacillin-tazobactam, cefoxitin, clindamycin, moxifloxacin were 100%, and to meropenem was 75%. The susceptibility rates for Gram-negative bacilli were 0.0% for ampicillin, 100% for amoxicillin-clavulanic acid, piperacillin-tazobactam, moxifloxacin, meropenem, 83.3% for metronidazole, 66.7% for cefoxitin, and 50% for clindamycin. Conclusion: In our study, it was observed that the sensitivity rates for especially, metronidazole and ampicillin were low among anaerobic bacteria. The resistance profile of many anaerobic bacteria has changed significantly over the past decade, making the antimicrobial susceptibility of anaerobic bacteria unpredictable. For this reason, revealing and documenting local data on this subject at regular intervals will constitute an important reference for both empirical treatment, public health, and surveillance studies.

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Klinik örneklerden izole edilen anaerobik bakteriler: Yedi yıllık değerlendirme

Cited by 2 publications

References 4 publications

Identification and distribution of anaerobic bacteria isolated from clinical specimens in a University Hospital: 4 years’ experience

Identification and distribution of anaerobic bacteria isolated from clinical specimens in a University Hospital: 4 years’ experience

Klinik Örneklerden İzole Edilen Anaerop Bakterilerin Tiplendirilmesi ve Antibiyotik Direnç Profillerinin Belirlenmesi

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