What does this research mean for the field?

Streptococcus parasanguinis can induce severe mitral valve endocarditis and multiple transient ischemic attacks in patients entirely lacking typical oral risk factors or dental infections. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To report the first case of endocarditis caused by Streptococcus parasanguinis without typical oral health risk factors.

May 20, 2026American Journal of Respiratory and Critical Care Medicine

D109-15 Under the Radar: Emergence of the First Endocarditis Case of Streptococcus Parasanguinis Without Any Oral Risk Factors

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Authors

RPR ParkHawaii Department of Health TLT LoHawaii Department of Health

Discussion

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Implication

Case report reveals endocarditis and TIAs from S. parasanguinis in a patient without dental risk factors, highlighting diagnostic challenges.

Key Points

To report the first case of endocarditis caused by Streptococcus parasanguinis without typical oral health risk factors.
Case report of a 69-year-old female with multiple transient ischemic attacks and cardiac surgery.
Multiple echocardiograms and blood cultures were conducted to identify the causative agent.
Standard cardiothoracic interventions and antibiotic treatment were employed.
The patient showed three mobile vegetations on the mitral valve and tested positive for S. parasanguinis.
Despite initial recovery from mitral valve replacement, the patient developed septic shock and died from sepsis.
This case highlights the unpredictable nature of S. parasanguinis infections beyond oral origins.

Cite This Study

Park et al. (2026) studied this question.

synapsesocial.com/papers/6a0d4efcf03e14405aa9a302 https://doi.org/10.1093/ajrccm/aamag162.1584

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Implication

Case report reveals endocarditis and TIAs from S. parasanguinis in a patient without dental risk factors, highlighting diagnostic challenges.

D109-15 Under the Radar: Emergence of the First Endocarditis Case of Streptococcus Parasanguinis Without Any Oral Risk Factors

Discussion

Member takes

Implication

Key Points

Cite This Study

D109-15 Under the Radar: Emergence of the First Endocarditis Case of Streptococcus Parasanguinis Without Any Oral Risk Factors

Discussion

Member takes

Implication

Key Points

Cite This Study

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