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  • Title: Study of the tendinous vascularization for the compound radial forearm flap plus flexor carpi radialis tendon.
    Author: Raspanti A, Delcroix L, Ghezzi S, Innocenti M.
    Journal: Surg Radiol Anat; 2016 May; 38(4):409-14. PubMed ID: 26503231.
    Abstract:
    PURPOSE: The aim of this study was to explore the tendinous vascularization of flexor carpi radialis (FCR) and investigate the anatomical basis for harvesting the compound radial forearm flap (free or pedicled) with the vascularized tendon for the reconstruction of cutaneotendinous defects. METHODS: The area of the radial forearm flap was studied in seventeen forearms of fresh cadavers injected with red latex. A lozenge-shaped flap about 9 cm long and 4 cm wide was raised along the axis of the radial artery. Dissection of the flap was carried out subfascially. We searched perforators going into the flap and the nutritive branches for the tendon sheath of FCR were dissected up to their origin from the radial artery. Their distance from the scaphoid tubercle was recorded. RESULTS: We found nutritive branches for all the length of the tendon. The mean number of perforators going into the tendon sheath was 9.5 (range 8-12). Constant sizeable branches larger than 0.2 mm were identified from the scaphoid tubercle to the myotendinous junction; their distance from the scaphoid tubercle ranged between 0.5 and 12.5 cm. We found an average 0.8 perforators/cm of tendon (range 0.7-1). The donor sites were always closed primarily. CONCLUSIONS: Nutrient branches of the radial artery for the tendon of FCR were constantly found. Our anatomical findings confirm the possibility of raising a compound radial forearm flap including a sure vascularized tendon of FCR. Its clinical application provides a quick and straightforward single-stage option for the reconstruction of complex cutaneotendinous defects.
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