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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Cardiac electrical instability in Erdheim-Chester disease: a case report

Andrea Urbani1, Filippo Pensotti1, Diego Castini1

  • 1Cardiology Department and Intensive Care Unit, San Paolo Hospital, ASST Santi Paolo Carlo, University of Milan, Milan, Italy.

Oxford Medical Case Reports
|July 29, 2022
PubMed

Insights

Erdheim-Chester disease (ECD) can affect the heart, causing electrical instability. Targeted therapies like vemurafenib have improved outcomes for patients with specific mutations.

Area of Science:

  • Cardiology
  • Oncology
  • Genetics

Background:

  • Erdheim-Chester disease (ECD) is a rare multisystemic disorder affecting various organs.
  • Cardiac involvement in ECD typically manifests as pericardial effusion or right atrial masses.
  • Conduction system infiltration leading to arrhythmias is an uncommon presentation of cardiac ECD.

Observation:

  • This case highlights electrical instability as the primary clinical manifestation of cardiac involvement in ECD.
  • The patient's presentation underscores the diverse ways ECD can impact cardiovascular function.

Findings:

  • Mutations in signaling kinase proteins (BRAF, MEK, ALK) have revolutionized ECD treatment.
  • Vemurafenib is approved for ECD patients with end-organ dysfunction and BRAF-V600E mutations, significantly improving prognosis.

Implications:

  • This case emphasizes the importance of considering cardiac electrical complications in ECD.
  • Understanding rare presentations of ECD is crucial for timely diagnosis and effective management.
  • Advances in targeted therapy offer improved outcomes for patients with specific genetic profiles in ECD.

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