An uncommon case of native joint septic arthritis by Parvimonas micra

Ali, Hassam; Amir, Washma; Bolick, Nicole Leigh

doi:10.1016/j.anaerobe.2020.102315

Cited by 3 publications

(2 citation statements)

References 15 publications

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“…Few studies on Parvimonas micra septic arthritis have been published to date [2,9,[11][12][13][14][15] and are summarized in Table 1. Of the eight patients previously described in the literature, seven (87.5%) were male, the same percentage of patients were over 60 years of age, and six (75%) had cases detected in a knee joint.…”

Section: Discussionmentioning

confidence: 99%

Case Report and Literature Review of Parvimonas micra: Difficult-to-Treat Arthritis in Hiding

Cenicacelaya Olabarrieta,

Cabello Vallejo,

Morell-Hita

et al. 2023

Healthcare

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Septic arthritis is a life-threatening rheumatological syndrome that is highly related to a patient’s immune status and comorbidities, and although the most common clinical presentation is rapid-onset monoarthritis, it can also appear as subacute or chronic joint swelling. In these cases, differential diagnosis is more challenging, but early diagnosis and treatment is no less urgent to ensure a good global prognosis and the best outcome of the affected joint. Anaerobic microorganisms, such as Parvimonas micra, are an uncommon cause of septic arthritis (less than 5% of cases) but may be the cause of subacute arthritis. Knowledge about Parvimonas micra is important, as it is difficult to culture in the laboratory and generates a synovial fluid with atypical characteristics for septic arthritis so that, if not suspected, its diagnosis can be easily overlooked and underdiagnosed. We present the case of a 76-year-old woman with subacute arthritis of the left knee, describe the difficult diagnosis and treatment of its unexpected cause (Parvimonas micra), and review previously described cases, identifying the possible common comorbidities that may help clinicians easily find and treat this cause of subacute septic arthritis.

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Section: Discussionmentioning

confidence: 99%

Case Report and Literature Review of Parvimonas micra: Difficult-to-Treat Arthritis in Hiding

Cenicacelaya Olabarrieta,

Cabello Vallejo,

Morell-Hita

et al. 2023

Healthcare

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show abstract

“…Parvimonas micra , formerly known as Peptostreptococcus micros and Micromonas micros before its final re-classification in 2006, is an obligate anaerobic gram-positive coccus that is part of the normal oral and gastrointestinal flora [1] , [2] , [3] . While bacteremia due to Parvimonas micra is extremely rare, it has been implicated in infections of prosthetic joints [1] , [4] , [5] as well as rare native joint septic arthritis [1] , [6] , [7] and osteomyelitis, often in association with dental procedures [7] or spinal instrumentation [8] . Here, we report a case of invasive Parvimonas micra infection of the vertebrae leading to spondylodiscitis and psoas abscesses in a patient with no obvious antecedent risk factors.…”

Section: Introductionmentioning

confidence: 99%