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Left atrial dissection after a supra-annular mitral valve replacement for endocarditis

Valentin de Villiers de la Noue1, Guillaume Théry2, Laurent Faroux3

  • 1Intensive Care Medicine, Reims University Hospital, Reims, France.

Journal of Cardiothoracic Surgery
|February 16, 2023
PubMed

Insights

Left atrial dissection is a rare complication after redo cardiac surgery. Advanced imaging like echocardiography and CT scans are crucial for diagnosis and guiding treatment decisions.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Imaging

Background:

  • Left atrial dissection is a rare but potentially fatal complication following cardiac surgery.
  • Early diagnosis and appropriate management are critical for patient outcomes.

Observation:

  • A 66-year-old female developed left atrial dissection post-redo mitral and aortic valve replacement for degenerative disease and endocarditis.
  • The mitral valve was implanted in a supra-annular position due to annular destruction.
  • Postoperative refractory acute heart failure was attributed to the left atrial wall dissection.

Findings:

  • Transesophageal echocardiography and cardiac CT scans confirmed the left atrial wall dissection.
  • Surgical intervention was considered high-risk due to the patient's condition and prior surgeries.
  • A multidisciplinary team decided on palliative care support due to the high surgical risk.

Implications:

  • Left atrial dissection can occur even after redo cardiac procedures, particularly with supra-annular valve implantation.
  • Multimodal imaging is essential for accurate diagnosis of this rare complication.
  • Careful consideration of surgical risks versus palliative care is necessary in complex cases.
Abstract

Keywords:
Cardiac CT-scanLeft atrial dissectionTransoesophageal echocardiography

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