Perforator flaps based on the deltoid branch of the thoracoacromial artery: anatomical study

Yıl 2021, Cilt: 15 Sayı: 1, 36 - 43, 29.04.2021

Philippe Manyacka Ma Nyemb Christian Fontaine Véronique Duquennoy-martinot Xavier Demondion

Öz

Objectives: Tissue defects in the lateral triangle of the neck and the anterior cervical region represent a high demand for plastic and reconstructive surgery. Their management most often requires regional or free flaps. The perforator flap based on the deltoid branch of the thoracoacromial artery (TAA) may be a good solution for these indications. The objective of this work is to propose anatomical landmarks to raise perforator flaps pedicled on the deltoid branch of the TAA.
Methods: We carried out dissection of 24 perforator flaps based on the deltoid branch of the TAA, in body donor specimens preserved in a glycerin-rich, formalin-free solution. The TAA was first injected with methylene blue. The vascular territory, location of perforators relative to known landmarks, along with the flap’s potential amplitude and arc of rotation were studied.
Results: The main perforating arteries of the flap were located in the middle of the deltopectoral groove, often surrounded by adipose tissue in 18 out of 24 dissections. In 22 out of 24 dissections, there were at least 2 perforator arteries originating from the deltoid branch. The average diameter of the perforator arteries was 1 mm. The flap’s amplitude of movement made it possible to reach in all cases the lateral triangle of the neck and the anterolateral cervical region.
Conclusion: The thoracoacromial artery has already been used for perforator flaps. However, the individualization of its deltoid branch offers to practitioners new surgical options. This anatomical study of the perforator flap based on the deltoid branch of the TAA made it possible to review the anatomical bases for the raising of this flap, and to fix useful landmarks for the surgeon in order to propose an easily feasible surgical technique.

Anahtar Kelimeler

deltoid branch, perforator flap, thoracoacromial artery, vascular territory

Kaynakça

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