科研之友
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摘要
Objective: The subscapular artery has an important place in reconstructive surgery. The major pedicles of several different flaps used widely in reconstructive surgery take their roots from this arterial tree. This study aimed to provide anatomical data relating to these vessels through the use of multidetector computed tomography angiography (MDCTA) and to evaluate the clinical utility of MDCTA tool prior to surgery. Methods and Materials: A radiological evaluation using a MDCTA was made of the bilateral subscapular arteries and branches measuring >0.5 mm in diameter that could be sufficiently identified as vascular structures in 92 patients (44 men and 48 women) with pneumonia, pleural effusion, lung masses, or nodules for which a thoracic MDCTA was requested for the purpose of diagnosis. Results: The mean diameter of the subscapular artery origin was 3.86 +/- 0.60 mm on the left and 3.93 +/- 0.62 mm on the right. The mean diameter of the circumflex scapular artery origin was 2.41 +/- 0.37 mm on the left and 2.44 +/- 0.39 mm on the right. The mean diameter of the thoracodorsal artery origin was 2.29 +/- 0.27 mm on the left and 2.31 +/- 0.29 mm on the right. Mean length of the circumflex scapular artery was 46.34 +/- 9.41 mm on the left and 46.10 +/- 8.81 mm on the right. Mean length of the latissimus dorsi branch of the thoracodorsal artery from the origin of the subscapular artery was 110.11 +/- 17.42 mm on the left and 112.21 +/- 14.60 mm on the right. Mean length of the serratus anterior branch was 124.25 +/- 19.00 mm on the left and 120.84 +/- 15.67 mm on the right. No differences were detected between the left and right sides or between sexes. Doubled circumflex scapular arteries were found in 4.3% of patients, and the circumflex scapular artery branched directly off the axillary artery in 3.2% of patients. Conclusion: This study showed that MDCTA is a highly valuable, non-invasive imaging tool for studying vascular anatomy and detecting variations in vascular structure during preoperative planning, thus enhancing surgical safety.
- 出版日期2015-11
