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A Case Report of Cor Triatriatum Sinister (CTS) in an Asymptomatic Adult with Chronic Adhesive Pericarditis

Yuan-Teng Hsu1, Chee-Siong Lee2, Jui-Sheng Hsu1,3

  • 1Department of Medical Imaging, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.

Current Medical Imaging
|June 4, 2025
PubMed

Insights

Cor Triatriatum Sinister (CTS), a rare heart defect, was found in an adult with chronic adhesive pericarditis. This rare combination may worsen atrial dilation and lead to atrial fibrillation, requiring anticoagulation for stroke prevention.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Cardiac Surgery

Background:

  • Cor Triatriatum Sinister (CTS) is a rare congenital heart anomaly (0.1%-0.4% of congenital heart diseases).
  • While often diagnosed in infancy, some cases of CTS with large fenestrations remain asymptomatic until adulthood.
  • This case highlights a unique presentation of adult CTS coexisting with chronic adhesive pericarditis.
Abstract

Keywords:
Atrial fibrillationCase report.Chronic adhesive pericarditisCongenital cardiac abnormalityCor triatriatum sinisterPericardial calcification

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