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Walizada AS, Lyons SE, Penales C, Lopez C. Parvimonas micra Bacteremia in the Setting of a Hepatic Abscess: A Case Report. Cureus 2024; 16:e56497. [PMID: 38638707 PMCID: PMC11026121 DOI: 10.7759/cureus.56497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2024] [Indexed: 04/20/2024] Open
Abstract
Parvimonas micra is a Gram-positive anaerobic coccus that typically colonizes the oral cavity and gastrointestinal tract in humans. Though P. micra is typically associated with periodontal abscesses, it can also be an unlikely cause of bacteremia. Here, we report a case of P. micra bacteremia in the setting of a hepatic abscess. Antibiotic treatment of the bacteremia was initiated, and the entry source of the infection was investigated using various imaging techniques in the inpatient setting. A hepatic abscess was suspected to be the origin of infection for the P. micra bacteremia. Successful antibiotic treatment was confirmed by negative repeat blood cultures and an improvement in the patient's symptoms and clinical picture.
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Affiliation(s)
- Aneil S Walizada
- Internal Medicine, Hospital Corporation of America (HCA) Healthcare Westside Regional Medical Center, Plantation, USA
| | - Sarah E Lyons
- Internal Medicine, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Davie, USA
| | - Chulou Penales
- Internal Medicine, Hospital Corporation of America (HCA) Healthcare Westside Regional Medical Center, Plantation, USA
| | - Carlos Lopez
- Internal Medicine, Hospital Corporation of America (HCA) Healthcare Westside Regional Medical Center, Plantation, USA
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2
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Shao A, He Q, Jiao X, Liu J. Hemoptysis caused by Parvimonas micra: case report and literature review. Front Public Health 2024; 11:1307902. [PMID: 38389952 PMCID: PMC10883377 DOI: 10.3389/fpubh.2023.1307902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 12/29/2023] [Indexed: 02/24/2024] Open
Abstract
Background Parvimonas micra (P. micra), a Gram-positive anaerobic bacterium, exhibits colonization tendencies on oral mucosal and skin surfaces, potentially evolving into a pathogenic entity associated with diverse diseases. The diagnostic trajectory for P. micra-related diseases encounters delays, often with severe consequences, including fatality, attributed to the absence of symptom specificity and challenges in culture. The absence of a consensus on the diagnostic and therapeutic approaches to P. micra exacerbates the complexity of addressing associated conditions. This study aims to elucidate and scrutinize the clinical manifestations linked to P. micra, drawing insights from an extensive literature review of pertinent case reports. Case presentation A 53-year-old male sought medical attention at our institution presenting with recurrent hemoptysis. Empirical treatment was initiated while awaiting pathogen culture results; however, the patient's symptoms persisted. Subsequent metagenomic next-generation sequencing (mNGS) analysis revealed a pulmonary infection attributable to P. micra. Resolution of symptoms occurred following treatment with piperacillin sulbactam sodium and moxifloxacin hydrochloride. A comprehensive literature review, utilizing the PubMed database, was conducted to assess case reports over the last decade where P. micra was identified as the causative agent. Conclusion The literature analysis underscores the predilection of P. micra for immunocompromised populations afflicted by cardiovascular diseases, diabetes, orthopedic conditions, and tumors. Risk factors, including oral and periodontal hygiene, smoking, and alcohol consumption, were found to be associated with P. micra infections. Clinical manifestations encompassed fever, cough, sputum production, and back pain, potentially leading to severe outcomes such as Spondylodiscitis, septic arthritis, lung abscess, bacteremia, sepsis, and mortality. While conventional bacterial culture remains the primary diagnostic tool, emerging technologies like mNGS offer alternative considerations. In terms of treatment modalities, β-lactam antibiotics and nitroimidazoles predominated, exhibiting recovery rates of 56.10% (46/82) and 23.17% (19/82), respectively. This case report and literature review collectively aim to enhance awareness among clinicians and laboratory medicine professionals regarding the intricacies of P. micra-associated infections.
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Affiliation(s)
- Axue Shao
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qingqing He
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xin Jiao
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jianbo Liu
- The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
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3
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Duan Y, Feng W, Shen Y, Li Y, Li N, Chen X, Wang Y. Severe pneumonia with empyema caused by Parvimonas micra and Streptococcus constellatus co-infection: a case report. J Int Med Res 2023; 51:3000605231210657. [PMID: 37994021 PMCID: PMC10666820 DOI: 10.1177/03000605231210657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 10/12/2023] [Indexed: 11/24/2023] Open
Abstract
Empyema is a common complication of pneumonia, caused by the accumulation of purulent exudate due to pathogenic bacteria invading the pleural cavity. Parvimonas micra and Streptococcus constellatus are pathogens that rarely cause pneumonia with empyema. Herein, a case of severe empyema caused by these two pathogens, confirmed by metagenomic next-generation sequencing (mNGS) of pleural effusion cultures, is reported. A male Chinese patient in his late sixties presented with wheezing, cough, sputum expectoration, and fever. Blood and sputum cultures were negative for pathogens, but the pleural effusion culture was positive for S. constellatus, and was also found to contain P. micra, confirmed by mNGS. The patient's symptoms improved after treatment with cefoperazone/sulbactam and moxifloxacin. Pneumonia caused by P. micra and S. constellatus is rare; however, coinfection with these pathogens may cause severe pneumonia, with or without empyema.
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Affiliation(s)
- Yao Duan
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Wenshi Feng
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yuxin Shen
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yue Li
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Ni Li
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Xuyan Chen
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yiqun Wang
- General Internal Medicine Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
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Yu S, Wang S, Xiong B, Peng C. Gut microbiota: key facilitator in metastasis of colorectal cancer. Front Oncol 2023; 13:1270991. [PMID: 38023192 PMCID: PMC10643165 DOI: 10.3389/fonc.2023.1270991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Colorectal cancer (CRC) ranks third in terms of incidence among all kinds of cancer. The main cause of death is metastasis. Recent studies have shown that the gut microbiota could facilitate cancer metastasis by promoting cancer cells proliferation, invasion, dissemination, and survival. Multiple mechanisms have been implicated, such as RNA-mediated targeting effects, activation of tumor signaling cascades, secretion of microbiota-derived functional substances, regulation of mRNA methylation, facilitated immune evasion, increased intravasation of cancer cells, and remodeling of tumor microenvironment (TME). The understanding of CRC metastasis was further deepened by the mechanisms mentioned above. In this review, the mechanisms by which the gut microbiota participates in the process of CRC metastasis were reviewed as followed based on recent studies.
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Affiliation(s)
- Siyi Yu
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
| | - Shuyi Wang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
| | - Bin Xiong
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
| | - Chunwei Peng
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
- Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan, China
- Hubei Cancer Clinical Study Center, Wuhan, China
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Yamada K, Taniguchi J, Kubota N, Kawai T, Idemitsu R, Inoshima N, Fujioka H, Homma Y, Tochigi K, Yamamoto S, Nagai T, Otsuki A, Ito H, Nakashima K. Empyema and bacteremia caused by Parvimonas micra: A case report. Respir Med Case Rep 2023; 45:101892. [PMID: 37577121 PMCID: PMC10413192 DOI: 10.1016/j.rmcr.2023.101892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/17/2023] [Accepted: 07/03/2023] [Indexed: 08/15/2023] Open
Abstract
Parvimonas micra is a gram-positive anaerobic coccus (GPAC) that colonizes the oral cavity and gastrointestinal tract. Recent advances in bacterial identification have confirmed the clinical importance of Parvimonas micra. Here, we report a case of empyema with bacteremia caused by Parvimonas micra. We successfully treated the patient with the appropriate antibiotics and drainage. Parvimonas micra can cause respiratory infections, including empyema, which can progress to bacteremia if treatment is delayed. In Parvimonas micra infections, not only the oral cavity but also the entire body must be investigated to clarify the entry mechanism.
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Affiliation(s)
- Kenji Yamada
- Department of Pulmonology, Kameda Medical Center, Japan
| | | | | | - Taiki Kawai
- Department of Pulmonology, Kameda Medical Center, Japan
| | | | | | | | - Yuya Homma
- Department of Pulmonology, Kameda Medical Center, Japan
| | | | | | - Tatsuya Nagai
- Department of Pulmonology, Kameda Medical Center, Japan
| | - Ayumu Otsuki
- Department of Pulmonology, Kameda Medical Center, Japan
| | - Hiroyuki Ito
- Department of Pulmonology, Kameda Medical Center, Japan
| | - Kei Nakashima
- Department of Pulmonology, Kameda Medical Center, Japan
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Sun Y, Liu Y, Li J, Tan Y, An T, Zhuo M, Pan Z, Ma M, Jia B, Zhang H, Wang Z, Yang R, Bi Y. Characterization of Lung and Oral Microbiomes in Lung Cancer Patients Using Culturomics and 16S rRNA Gene Sequencing. Microbiol Spectr 2023; 11:e0031423. [PMID: 37092999 PMCID: PMC10269771 DOI: 10.1128/spectrum.00314-23] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 04/03/2023] [Indexed: 04/25/2023] Open
Abstract
Recently, microbiota dysbiosis in lung cancer has attracted immense attention. Studies on lung microbes are mostly based on sequencing, which has left the potentially functional bacteria with extremely low abundance uncovered. In this study, we characterized and compared the lung and oral cavity microbiotas using culturomics and 16S rRNA gene sequencing. Of the 198 bacteria identified at the species level from bronchoalveolar lavage fluid (BALF) samples, Firmicutes was predominant (39.90%). Twenty bacterial species isolated from BALF samples were present in at least half of the patients and were also highly abundant in oral samples. Of all isolated strains, Streptococcus and Veillonella were highly dominant. The abundance of Prevotella and Veillonella decreased from the oral cavity to the lung, whereas that of Pseudomonas increased. Linear discriminant analysis effect size demonstrated that Prevotella was more abundant in the healthy samples than in the cancerous ones, which is in accordance with the isolation of Prevotella oralis only from the healthy group using culturomics. Moreover, Gemella sanguinis and Streptococcus intermedius were isolated only from the non-small-cell lung cancer (NSCLC) group, and 16S rRNA gene sequencing showed that they were higher in the NSCLC than in the small-cell lung cancer group. Furthermore, while Bacillus and Castellaniella were enriched in lung adenocarcinoma, Brucella was enriched in lung squamous cell carcinoma. Overall, alterations were observed in the microbial community of patients with lung cancer, whose diversity might be site and pathology dependent. Using culturomics and 16S rRNA gene amplicon sequencing, this study has provided insights into pulmonary and oral microbiota alterations in patients with lung cancer. IMPORTANCE The relationship between lung microbiota and cancer has been explored based on DNA sequencing; however, culture-dependent approaches are indispensable for further studies on the lung microbiota. In this study, we applied a comprehensive approach combining culturomics and 16S rRNA gene amplicon sequencing to detect members of the microbiotas in saliva and BALF samples from patients with unilateral lobar masses. We found alterations in the microbial community of patients with lung cancer, whose diversity might be site and pathology dependent. These features may be potential bacterial biomarkers and new targets for lung cancer diagnosis and treatment. In addition, a lung and oral microbial biobank from lung cancer patients was established, which represents a useful resource for studies of host-microbe interactions.
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Affiliation(s)
- Yifan Sun
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Yuejiao Liu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Jianjie Li
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Yafang Tan
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Tongtong An
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Minglei Zhuo
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Zhiyuan Pan
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Menglei Ma
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Bo Jia
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Hongwei Zhang
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Ziping Wang
- Department of Thoracic Oncology, Peking University Cancer Hospital, Beijing, China
| | - Ruifu Yang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Yujing Bi
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
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Parvimonas micra activates the Ras/ERK/c-Fos pathway by upregulating miR-218-5p to promote colorectal cancer progression. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2023; 42:13. [PMID: 36627634 PMCID: PMC9830783 DOI: 10.1186/s13046-022-02572-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 12/14/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is the third most common cancer in the world, and a strong relationship exists between CRC and gut microbiota, which affects the occurrence, development, and metastasis of cancer. Bioinformatics-based analyses revealed that the abundance of Parvimonas micra (P. micra) in the feces of patients with cancer is significantly higher than that in healthy people. Therefore, an important relationship may exist between P. micra and CRC. METHODS We first confirmed that P. micra can promote the proliferation of cell lines through cell experiments and mouse models. Then we selected the signaling pathways and content of exosomes to promote the development of CRC by transcriptomics and microRNA sequencing. Finally, we confirmed that P. micra promoted CRC development through miR-218-5p/Ras/ERK/c-Fos pathway through the in vivo and in vitro experiments. RESULTS First, it was confirmed by in vitro and in vivo experiments that P. micra can promote the development of CRC. Transcriptome analysis after the coincubation of bacteria and cells revealed that P. micra promoted cell proliferation by activating the Ras/ERK/c-Fos pathway. Furthermore, microRNA sequencing analysis of the cells and exosomes showed that miR-218-5p and protein tyrosine phosphatase receptor R (PTPRR) were the key factors involved in activating the Ras/ERK/c-Fos pathway, and the miR-218-5p inhibitor was used to confirm the role of microRNA in xenograft mice. CONCLUSION This experiment confirmed that P. micra promoted the development of CRC by upregulating miR-218-5p expression in cells and exosomes, inhibiting PTPRR expression, and ultimately activating the Ras/ERK/c-Fos signaling pathway.
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Li Y, Yang J, Wang J, Wei B, Hu L. Pyopneumothorax caused by Parvimonas micra and Prevotella oralis: a case report. World J Emerg Med 2023; 14:488-491. [PMID: 37969220 PMCID: PMC10632756 DOI: 10.5847/wjem.j.1920-8642.2023.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 07/21/2023] [Indexed: 11/17/2023] Open
Affiliation(s)
- Yixuan Li
- Emergency Medicine Clinical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
| | - Jun Yang
- Emergency Medicine Clinical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
| | - Junyu Wang
- Emergency Medicine Clinical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
| | - Bing Wei
- Emergency Medicine Clinical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
| | - Le Hu
- Emergency Medicine Clinical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100043, China
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Feng Y, Wu C, Huang X, Huang X, Peng L, Guo R. Case report: Successful management of Parvimonas micra pneumonia mimicking hematogenous Staphylococcus aureus pneumonia. Front Med (Lausanne) 2022; 9:1017074. [DOI: 10.3389/fmed.2022.1017074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/30/2022] [Indexed: 11/13/2022] Open
Abstract
Parvimonas micra is an anaerobic Gram-positive coccus frequently found in the oral cavity and gastrointestinal tract, but rarely in the lung. Therefore, pneumonia caused by P. micra is also rare. Although there are some reports of P. micra related pneumonia due to aspiration or blood-borne infection with definite remote infection source, there are no reported cases of hematogenous P. micra pneumonia in healthy adults lacking a remote source of infection. Herein, we described the intact disease of P. micra-related pneumonia mimicking hematogenous Staphylococcus aureus pneumonia in terms of chest imagery and diagnosed via metagenomic next-generation sequencing (mNGS). Interestingly, there was no clear remote pathogenic source identified in the patient. Microbiome analysis revealed dysbiosis of the oral flora possibly related to poor oral hygiene and a long history of smoking. The patient was treated with moxifloxacin for 3 months. Ultimately, computed tomography (CT) of the chest showed total resolution of the lung lesion. Clinicians need to update the etiology of community-acquired pneumonia. When antibiotic therapy is not effective, pathogen examination becomes very important. New methods of pathogen detection such as mNGS should be employed to this end. For the treatment of P. micra pneumonia, no standardized course of treatment was reported. Imaging absorption of lung infections may provide a more objective guidance for the duration of antibiotics in P. micra pneumonia.
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Abouodah H, Nasrazadani DA, Sokol JA. Dacryocystitis Involving Parvimonas micra and Bacteroides thetaiotaomicron Infection. Kans J Med 2022; 15:386-387. [PMID: 36320333 PMCID: PMC9612906 DOI: 10.17161/kjm.vol15.18273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/08/2022] [Indexed: 11/07/2022] Open
Affiliation(s)
| | | | - Jason A. Sokol
- University of Kansas Eye Center, Prairie Village, KS,Department of Ophthalmology, University of Kansas Medical Center, Kansas City, KS
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Jiang Y, Qin W, Li J, Gao Y, Zeng Y. A case report of sepsis and death caused by Parvimonas micra, a rare anaerobe. Front Public Health 2022; 10:994279. [PMID: 36203671 PMCID: PMC9530780 DOI: 10.3389/fpubh.2022.994279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/23/2022] [Indexed: 01/26/2023] Open
Abstract
Parvimonas micra is a type of Gram-positive anaerobic cocci widely distributed in the oral cavity, gastrointestinal tract, respiratory tract, and female reproductive system mucosa. It is a conditional pathogen that can cause infections in the human oral cavity, wounds, and other areas as well as sepsis. In this case report, the patient's immune system was compromised by various underlying diseases and a pulmonary infection, which led to the entry of P. micra infection into the bloodstream. P. micra is a slow-growing organism (When a bloodstream infection occurs, flagging an anaerobic bottle of blood culture as positive will usually take >48 h), which makes it hard to secure timely blood culture results. Our patient's poor physical condition eventually led to sepsis, and she died after 5 days in the hospital.
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Affiliation(s)
- Yuhang Jiang
- Department of Laboratory Medicine, Chongqing University Jiangjin Hospital, Chongqing, China,Department of Laboratory Medicine, Central Hospital of Jiangjin District, Chongqing, China
| | - Weichao Qin
- Department of Laboratory Medicine, Chongqing University Jiangjin Hospital, Chongqing, China,Department of Laboratory Medicine, Central Hospital of Jiangjin District, Chongqing, China
| | - Jian Li
- Department of Laboratory Medicine, Chongqing University Jiangjin Hospital, Chongqing, China,Department of Laboratory Medicine, Central Hospital of Jiangjin District, Chongqing, China
| | - Yuan Gao
- Department of Laboratory Medicine, Chongqing University Jiangjin Hospital, Chongqing, China,Department of Laboratory Medicine, Central Hospital of Jiangjin District, Chongqing, China
| | - Yan Zeng
- Department of Laboratory Medicine, Jiangjin District Maternity and Child Health Hospital, Chongqing, China,*Correspondence: Yan Zeng
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