A Clinical Mirage

Q: What is the clinical evidence from this study?

Study design: Editorial. Population: Immune-mediated meningococcal pericarditis progressing to cardiac tamponade.

Arda Özyüksel

doi:10.1016/j.jaccas.2026.109324

September 1, 2026JACC Case ReportsOpen Access

A Clinical Mirage

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Key result

Immune-mediated meningococcal pericarditis can progress to life-threatening cardiac tamponade despite microbiological resolution and improving laboratory parameters, necessitating serial imaging.

Key Points

To examine a case of immune-mediated meningococcal pericarditis that evolved into life-threatening cardiac tamponade despite microbiological clearance and improving inflammatory markers.
Clinical and pathophysiological evaluation of a case of reactive immune-mediated pericarditis following Neisseria meningitidis bacteremia.
Assessment of serial bedside hemodynamics, laboratory inflammatory indices, and echocardiographic surveillance during antimicrobial therapy.
Hemodynamic instability and cardiac tamponade developed from rapid pericardial fluid accumulation even as bacteremia cleared and systemic inflammatory indices normalized.
Local pericardial inflammation persisted independently through immune complex deposition, complement activation, and ongoing capillary leak.
Initial echocardiography showing small effusion size was falsely reassuring, failing to predict subsequent rapid accumulation and critical intrapericardial pressure elevations.

Structured PICO

P

Population

Patient with immune-mediated meningococcal pericarditis progressing to cardiac tamponade despite apparent microbiological resolution

I

Intervention

Antimicrobial therapy

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Implication

Improving biomarkers in immune-mediated meningococcal pericarditis can provide false reassurance while life-threatening cardiac tamponade evolves, making serial echocardiography an essential surveillance tool.

Abstract

In this issue of JACC: Case Reports, Pagotan et al describe a compelling case of immune-mediated meningococcal pericarditis progressing to car diac tamponade despite apparent microbiological resolution and improving laboratory parameters.

Discussion

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Cite This Study

Arda Özyüksel (2026) conducted an editorial in Immune-mediated meningococcal pericarditis progressing to cardiac tamponade. Immune-mediated meningococcal pericarditis can progress to life-threatening cardiac tamponade despite microbiological resolution and improving laboratory parameters, necessitating serial imaging.

synapsesocial.com/papers/6ad0fce415427f6a840403fc https://doi.org/10.1016/j.jaccas.2026.109324

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A Clinical Mirage

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

A Clinical Mirage

Key Points

Structured PICO

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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