Polymicrobial anaerobic bacteremia due to Atopobium rimae and Parvimonas micra in a patient with cancer

Cobo, Fernando; Borrego-Jiménez, Jaime; Rojo, Ma Dolores; Navarro-Marí, José María

doi:10.1016/j.anaerobe.2018.02.002

Cited by 17 publications

(12 citation statements)

References 25 publications

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“…In the literature cases, P. micra bacteremia also had a favorable outcome (mortality, 1/27, 3.7%). In one of the previous cases, a patient died as a consequence of the primary tumor after the completion of antibiotic therapy [21]. In a previous study, in-hospital mortality of GPAC bacteremia including Parvimonas spp.…”

Section: Discussionmentioning

confidence: 94%

“…As the presenting symptoms in these patients were non-specific (e.g., fever, shake, and chills), thorough searches for the primary source of bacteremia may not have been carefully conducted in these 9 cases. In 27 literature cases, P. micra bacteremia were also frequently associated with oropharyngeal infection (7/27, 25.9%) and GIT infection (3/27, 11.1%) [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31]. Other common infectious diseases of P. micra in the literature cases were spondylodiscitis (8/27, 29.6%), intra-abdominal abscess (4/27, 14.8%), IE (3.27, 11.1%), and septic pulmonary emboli (3/27, 11.1%) which is inconsistent with our results.…”

Section: Discussionmentioning

confidence: 99%

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Clinical characteristics of bloodstream infection by Parvimonas micra: retrospective case series and literature review

et al. 2020

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Background: Gram-positive anaerobic (GPA) bacteria inhabit different parts of the human body as commensals but can also cause bacteremia. In this retrospective observational study, we analyzed GPA bacteremia pathogens before (2013-2015) and after (2016-2018) the introduction of the matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS). Method: We conducted a retrospective observational study by searching the microbiology database to identify all positive GPA blood cultures of patients with GPA bacteremia diagnosed using the new technique, MALDI-TOF MS,

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Clinical characteristics of bloodstream infection by Parvimonas micra: retrospective case series and literature review

et al. 2020

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“…After reviewing the entire texts, 15 studies were excluded for the following reasons: two studies had been written in Korean or German, and in 13 studies, the samples used for detection were not blood samples. Finally, a total of 23 studies were identified, and 26 case reports were included in the final analysis ( Figure 1 ) [ 4 , 11 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 ].…”

Section: Resultsmentioning

confidence: 99%

Infection Route of Parvimonas micra: A Case Report and Systematic Review

Shimizu¹,

Horinishi²,

Sano

et al. 2022

Healthcare

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Parvimonas micra (P. micra), a bacterium that colonizes the gastrointestinal tract, is often isolated from periodontitis and abscesses as part of a complex bacterial infection. However, reports of monobacterium infections due to P. micra are limited. Here, we report a case of monobacterial bacteremia caused by P. micra with the aim of identifying the source of the invasion and clarifying the clinical features. A 54-year-old patient presented with bacteremia due to P. micra and with an oral invasion that we suspected resulted from prior dental treatment. Using PubMed and Google Scholar databases, we undertook a systematic review of monobacteremia caused by P. micra. We identified 26 patients (mean age, 70.15 years) in our systematic review. P. micra bacteremia and its associated phenotypes were most frequently identified in spinal discitis, followed by epidural and lumbar abscesses, and infective endocarditis. The major risk factors were malignancy, diabetes mellitus, and post-arthroplasty. When P. micra is detected in blood cultures, evaluation and intervention for oral contamination may be indicated.

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“…As an opportunistic pathogen, Rothia could cause endocarditis, meningitis, and bacteremia in people with low immunity [ 24 ]. Atopobium was the causative agent of bacterial vaginitis, which could also cause bacteremia in people with low immunity [ 25 , 26 ]. Some other reports on the respiratory tract of PTB are different from our data, such as Zelin Cui [ 19 ] reported that Stenotrophomonas , Cupriavidus , Pseudomonas , Thermus , Sphingomonas and other foreign bacteria are unique to the airway of PTB; Yuhua Zhou reported [ 17 ]: the dominant genus of bacteria in the tuberculosis patient’s lower respiratory tract is Cuprophyll rather than Streptococcus .…”

Section: Discussionmentioning

confidence: 99%

Airway microecology in rifampicin-resistant and rifampicin-sensitive pulmonary tuberculosis patients

et al. 2022

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Background Pulmonary tuberculosis is a chronic infectious disease of the respiratory system. It is still one of the leading causes of death from a single infectious disease, but it has been stuck in the study of a single pathogen. Recent studies have shown that many diseases are associated with disruption of the native microbiota. In this study we investigated the occurrence of tuberculosis and the correlation between drug resistance and respiratory flora. High-throughput 16 S rRNA gene sequencing was used to characterize the respiratory microbiota composition of 30 tuberculosis (TB) affected patients and compared with 30 healthy (H) controls. According to their Gene Xpert results, 30 pulmonary tuberculosis patients were divided into 12 persons in the drug-sensitive group (DS0) and 18 persons in the drug-resistant group (DR0). The microbial flora of the two were compared with the H group. Results The data generated by sequencing showed that Firmicutes, Proteus, Bacteroides, Actinomyces and Fusobacterium were the five main bacterial phyla detected, and they constituted more than 96% of the microbial community. The relative abundances of Fusobacterium, Haemophilus, Porphyromonas, Neisseria, TM7, Spirochetes, SR1, and Tenericutes in the TB group was lower than that of the H group, and Granulicatella was higher than the H group. The PcoA diagrams of the two groups had obvious clustering differences. The Alpha diversity of the TB group was lower than that of the H group, and the Beta diversity was higher than that of the H group (P < 0.05). The relative abundance of Streptococcus in the DS0 group was significantly higher than that in the DR0 group (P < 0.05). Conclusion Pulmonary tuberculosis can cause disorders of the respiratory tract microbial flora, in which the relative abundance of Streptococcus was significantly different between rifampicin-sensitive and rifampicin-resistant patients.

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Polymicrobial anaerobic bacteremia due to Atopobium rimae and Parvimonas micra in a patient with cancer

Cited by 17 publications

References 25 publications

Clinical characteristics of bloodstream infection by Parvimonas micra: retrospective case series and literature review

Clinical characteristics of bloodstream infection by Parvimonas micra: retrospective case series and literature review

Infection Route of Parvimonas micra: A Case Report and Systematic Review

Airway microecology in rifampicin-resistant and rifampicin-sensitive pulmonary tuberculosis patients

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