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Ann Thorac Surg. 2009 Jun;87(6):1946-8. doi: 10.1016/j.athoracsur.2008.11.009.

Coronary artery dissection after surgical cryoablation procedure.

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Department of Thoracic and Cardiovascular Surgery, Rouen University Hospital, Rouen, France.


Cryoablation can be used to treat atrial fibrillation (AF) surgically. We describe a 71-year-old woman who underwent cryoablation after 6 months of AF. Four hours post-surgery, electrocardiographic changes were observed in the circumflex artery territory associated with hemodynamic instability, which responded to inotropic agents. Angiography revealed a diffuse circumflex artery spasm with a heterogeneous aspect of the posterior branch evoking a dissection. Platelet anti-aggregant and trinitrine therapy were started. Recovery was uneventful and the patient was discharged on day 13. Cryoablation-associated circumflex artery dissection is rare. Caution is required when locating the ablation lines to avoid coronary artery injury.

[Indexed for MEDLINE]

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