Monday, October 20, 2014

ACC/AHA Guisdelines for postcardiac surgery atrial fibrillation; and CABG in general

* patients with pre-existing AF receiving antiarrhythmics or rate controlling agents should be continued ont hese in postop period.
 
*  Oral beta blocker is recommended to prevent post op AF in patients undergoing cardiac surgery-- unless contraindicated
 
*  An AV nodal blocking agent is recommended for postop rate control in patients who develop postop AF
 
* Preop amiodarone decreases the incidence of AF in patients undergoing cardiac surgery  and represents appropriate prophylactic therapy for patients at high risk of AF
 
*  Its reasonable to restore sinus rhythm pharmacologically or through cardioversion among patients who develop postoperative AF
 
*  It is reasonable to administer anti-arrhytmics to maintain SR in patients with postop refractory or recurrent AF
*  Antithrombotic medication is reasonable to administer in patients who develop postop AF
 
*  Prophylactic sotalol may be considered in high risk patients. 
 

Additional points for cardiac surgery-- evidence based
 
*Matching preop and postop BP may reduce the risk of perioperative stroke or death  III/B
 
* Preop statins reduce the perioperative stroke risk in cardiac surgery  IB/A
 
*  Antiplatelet therapy eg ASA reduces the postop stroke risk without increasing the risk of bleeding complications  Ia/A
 
*  Discontinuing warfarin or antiplatelet agents in anticipation of surgery increases the risk of perioperative stroke, with the highest risk in patients with CAD

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