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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

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Isolated left atrial amyloidosis: acute premitral stenosis secondary to spontaneous intramural left atrial

Cyrus Edibam1, David Playford, Michael Texler

  • 1Department of Intensive Care, Royal Perth Hospital, Perth, Western Australia. Cyrus.Edibam@health.wa.gov.au

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography
|July 11, 2006
PubMed

Insights

This case report details a rare instance of isolated atrial amyloidosis complicated by cardiac hemorrhage and dissection. The patient presented with severe pulmonary edema and was diagnosed with AL amyloidosis, a subtype previously unreported in this condition.

Area of Science:

  • Cardiology
  • Pathology
  • Hematology

Background:

  • Isolated atrial amyloidosis is a rare condition.
  • Cardiac involvement in amyloidosis often carries a poor prognosis.

Observation:

  • A 53-year-old male presented with severe pulmonary edema.
  • The edema was secondary to spontaneous intramural left atrial hemorrhage and dissection.
  • This led to acute obstruction at the mitral valve.

Findings:

  • The patient was diagnosed with AL (primary) amyloidosis.
  • This is the first reported case of AL subtype in isolated atrial amyloidosis.
  • Cardiac involvement in AL amyloidosis is associated with a poor prognosis.

Implications:

  • This case expands the known spectrum of atrial amyloidosis.
  • Highlights the importance of considering AL amyloidosis in cardiac complications.
  • Underscores the critical prognostic implications of cardiac involvement in AL amyloidosis.

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