This study aims to assess the percent and risk factors of postoperative atrial fibrillation in patients undergoing cardiac surgery in Assiut university heart hospital

Arrhythmias are common complications after cardiac surgery, with postoperative atrial fibrillation (POAF) being the most frequently observed arrhythmia. The incidence rate of POAF ranges from 20% to 50%, depending on factors such as the type of surgery, patient population, and criteria used for diagnosis. Notably, POAF has been associated with increased morbidity, mortality, and health care costs. Patients who develop POAF are at a higher risk of experiencing complications such as stroke, heart failure (HF), and prolonged hospital stays. Moreover, POAF has been linked to long-term adverse outcomes, including a greater risk of recurrence of AF/atrial flutter and increased mortality. The accurate prediction of POAF can help guide therapy and facilitate targeted interventions to prevent its occurrence. Early identification of patients at risk for POAF allows for the timely initiation of prophylactic measures, such as the use of β-blockers, amiodarone, or other antiarrhythmic drugs, which have been shown to reduce the incidence of POAF. In this study we are searching for the percent and risk factors of POAF in patients undergoing cardiac surgery in Assiut university hospital.

Inclusion Criteria:

1. ≥18 years scheduled for first-time planned cardiac surgery ( CABG and Valve replacement)
2. Patients who are in sinus rhythm and not taking any antiarrhythmic medication, other than beta-adrenergic blocking agents, at the time of surgery.
3. Willingness to participate and provision of informed consent

Exclusion Criteria:

1. Prior history of cardiac surgery.
2. Pediatric population less than 18 years.
3. Patients with history of hyperthyroidism
4. Patients with electrolyte disturbance
5. Where follow-up is not possible.
6. The patient refused to sign the informed consent to participate in the research.

1. ≥18 years scheduled for first-time planned cardiac surgery ( CABG and Valve replacement)
2. Patients who are in sinus rhythm and not taking any antiarrhythmic medication, other than beta-adrenergic blocking agents, at the time of surgery.
3. Willingness to participate and provision of informed consent