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Superior vena caval aneurysm.

Praveen K Varma1, Baiju S Dharan, Padmakumar Ramachandran

  • 1Department of Cardio-Vascular and Thoracic Surgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala 695 011, India. pkvarma@sctimst.ker.nic.in

Interactive Cardiovascular and Thoracic Surgery
|August 3, 2007
PubMed
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Mediastinal venous aneurysms are rare, with few cases reported. This study details a 7 cm saccular aneurysm of the superior vena cava successfully resected to prevent pulmonary embolism.

Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine
  • Thoracic Surgery

Background:

  • Mediastinal venous aneurysms, particularly those originating from the superior vena cava (SVC), are exceptionally rare, with limited documented cases.
  • The majority of reported venous aneurysms in the mediastinum arise from the SVC, highlighting its susceptibility.

Purpose of the Study:

  • To report a rare case of a saccular aneurysm of the superior vena cava.
  • To describe the diagnostic process and surgical management of this rare vascular anomaly.
  • To emphasize the importance of surgical intervention in preventing complications like pulmonary thromboembolism.

Main Methods:

  • Diagnostic imaging including chest radiography, computed tomography (CT) scan, aortography, and venography were utilized.

Related Experiment Videos

  • Surgical resection of the SVC aneurysm was performed via median sternotomy.
  • The surgical approach aimed to address the aneurysm and mitigate risks of pulmonary embolism.

    • Main Results:

    • A 58-year-old male presented with a large (7 cm) saccular aneurysm in the distal SVC.
    • Initial imaging suggested a mediastinal mass or aortic arch aneurysm, necessitating further vascular imaging for accurate diagnosis.
    • Successful resection of the SVC aneurysm was achieved through median sternotomy.

    Conclusions:

    • Saccular aneurysms of the superior vena cava are rare but significant vascular pathologies.
    • Prompt diagnosis and surgical management are crucial for preventing life-threatening complications such as pulmonary thromboembolism.
    • This case adds to the limited literature on SVC aneurysms and underscores the role of surgical intervention.