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Avoiding anticoagulation drugs for postoperative atrial fibrillation enabled successful conservative treatment of

Kentaro Kiryu1, Takayuki Kadohama2, Yoshinori Itagaki1

  • 1Department of Cardiovascular Surgery, Akita University Graduate School of Medicine, Hondo 1-1-1, Akita, 010-8543, Japan.

Surgical Case Reports
|May 12, 2021
PubMed

Insights

This case study highlights successful conservative management of left atrial dissection, a rare cardiac surgery complication. Avoiding anticoagulation in the acute phase, alongside managing atrial fibrillation, led to dissection resolution.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Vascular Surgery

Background:

  • Left atrial dissection is a rare but serious complication following cardiac surgery.
  • It is most frequently observed after mitral valve procedures.
  • This report details a unique case of successful conservative management.

Purpose of the Study:

  • To describe a case of left atrial dissection managed conservatively.
  • To emphasize the avoidance of anticoagulation therapy in the acute phase.
  • To demonstrate successful management of associated atrial fibrillation.

Main Methods:

  • A 64-year-old male developed left atrial dissection post-cardiac surgery for acute type A aortic dissection.
  • Enhanced computed tomography excluded direct communication between the dissection cavity and the left atrium.
  • Anticoagulation was withheld; atrial fibrillation was managed with beta-blockers and amiodarone.

Main Results:

  • The patient's left atrial dissection cavity showed gradual reduction on follow-up imaging.
  • Atrial fibrillation was successfully controlled with antiarrhythmic drugs.
  • Anticoagulation therapy was initiated later in the patient's management.

Conclusions:

  • Conservative management of left atrial dissection is feasible, even without immediate anticoagulation.
  • Careful management of atrial fibrillation with antiarrhythmic drugs is crucial.
  • This approach potentially prevents dissection expansion and facilitates resolution.
Abstract

Keywords:
Antiarrhythmic drugsAnticoagulationAtrial fibrillationLeft atrial dissectionRetrograde cardioplegia cannulation

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