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KMID : 1038220230500050507
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Archives of Plastic Surgery
2023 Volume.50 No. 5 p.507 ~ p.513
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Reliability and Safety of Cross-Leg Free Latissmus Dorsi Muscle Flap in Reconstruction of Mutilating Leg Injuries Using End-to-Side Anastomosis
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Ahmed Gaber Abdelmegeed
Mahmoud A. Hifny
Tarek A. Abulezz
Samia Saied
Mohamed A. Ellabban
Mohamed Abdel-Al Abo-Saeda
Karam A. Allam
Mostafa Mamdoh Haredy
Ahmed S. Mazeed
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Abstract
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Background : Free tissue transfer is considered the gold standard option for the reconstruction of distal leg defects. Free tissue transfer using recipient vessels in the contralateral leg (cross-leg bridge) is a potential option to supply the flap if there are no suitable recipient vessels in the injured leg. Most studies have described this technique using end-to-end anastomosis which sacrifices the main vessel in the uninjured leg. This study evaluated the use of a cross-leg free latissimus dorsi muscle flap for the reconstruction of defects in single-vessel legs, using end-to-side anastomosis to recipient vessels in the contralateral leg without sacrificing any vessel in the uninjured leg.
Methods : This is a retrospective study that included 22 consecutive patients with soft tissue defects over the lower leg. All the reconstructed legs had a single artery as documented by CT angiography. All patients underwent cross-leg free latissimus dorsi muscle flap using end-to-side anastomosis to the posterior tibial vessels of the contralateral leg.
Results : The age at surgery ranged from 12 to 31 years and the mean defect size was 86?cm2. Complete flap survival occurred in 20 cases (91%). One patient had total flap ischemia. Another patient had distal flap ischemia.
Conclusion : Cross-leg free latissimus dorsi muscle flap is a reliable and safe technique for the reconstruction and salvage of mutilating leg injuries, especially in cases of leg injuries with a single artery. As far as preservation of the donor limb circulation is concerned, end-to-side anastomosis is a reasonable option as it maintains the continuity of the donor leg vessels.
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KEYWORD
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cross-leg, end-to-side anastomoses, free latissimus dorsi flap, single-vessel leg, mutilating leg injuries
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