Please assess the completion status of the following clinical trial:

Trial Title: Clinical and Economic Consequences of Left Atrial Bipolar Radiofrequency Ablation of Persistent and Permanent Atrial Fibrillation During Cardiac Surgery

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Persistent atrial fibrillation~* Permanent atrial fibrillation~* Mitral valve defect~* Tricuspid valve defect~* Aortic valve defect~* Coronary artery disease~Exclusion Criteria:~* Pregnancy~* Age \< 18 or \> 75 Years~* Emergency surgery~* Left dominant coronary circulation (relative contraindication)~* Coronary arteries of the posterior wall without pathological findings: No inclusion~* Stenosis of the posterior wall vessels, supplied with a CABG (coronary artery bypass grafting): Inclusion possible~* Left ventricular ejection fraction \< 30%~* Size of the left atrium \> 7 cm~* Thrombosis of the left atrial appendage~* Leads in the coronary sinus~* Atrial flutter~* Infective endocarditis~* Reoperation~* Participation in other studies~* Life expectancy of less than 12 months~* Psychiatric disorders~* Hyperthyreosis

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- No Ablation (Type: NO_INTERVENTION): None
- bipolar radiofrequency ablation of persistent and permanent AF (Type: OTHER): intra operative bipolar RF ablation of persistent and permanent AF

Based on this trial design, predict the completion outcome and termination type (if applicable).