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Impact of Preoperative 64-Slice CT Scanning on Mini-Maze Atrial Fibrillation Surgery
Cristopher A Meyer1, Joseph E Hall, John R Mehall
1From the *Department of Radiology, †Division of Cardiology, and ‡Center for Surgical Innovation, University of Cincinnati, Cincinnati, OH.
Innovations (Philadelphia, Pa.)
|March 23, 2012
Summary
Sixty-four-slice computed tomography (CT) scanning effectively identifies cardiac and pulmonary abnormalities before minimally invasive surgery for atrial fibrillation. This imaging significantly impacts surgical planning, improving patient care and outcomes.
Area of Science:
- Cardiology
- Radiology
- Thoracic Surgery
Background:
- Multidetector computed tomography (MDCT) is a valuable noninvasive tool for cardiovascular disease evaluation.
- Minimally invasive surgery for atrial fibrillation involves pulmonary vein isolation.
- Preoperative evaluation methods for these patients are still debated.
Purpose of the Study:
- To evaluate the impact of 64-slice CT on perioperative planning for minimally invasive pulmonary vein isolation.
Main Methods:
- 36 patients undergoing minimally invasive pulmonary vein isolation had preoperative 64-slice cardiac CT scans.
- Cardiac and noncardiac abnormalities were recorded.
- Modifications to surgical plans were documented.
Main Results:
- 33.3% had abnormal pulmonary venous anatomy, 8.3% had left atrial thrombus, and 47.2% had significant coronary artery disease.
- 55.6% had pulmonary abnormalities, including nodules.
- Surgical planning was significantly altered in 27.8% of cases.
Conclusions:
- 64-slice CT is safe, rapid, and accurate for preoperative cardiac surgical patient screening.
- This imaging modality has significant implications for surgical planning.
- It may serve as an alternative screening approach for these patients.

