Axial Pattern Flap Techniques in Veterinary Surgical Reconstruction
Summary
Axial pattern flaps are cutaneous transposition flaps that incorporate a direct cutaneous artery and vein, enabling reliable blood supply to large segments of skin in companion animals. These flaps have become indispensable for repairing extensive soft tissue defects resulting from oncological excisions, traumatic injuries and chronic wounds. By preserving a defined vascular pedicle, axial pattern techniques provide superior viability compared with random subdermal plexus flaps, reducing the risk of distal necrosis and dehiscence. Surgical planning involves detailed anatomical mapping of the donor site vessel, precise flap design to ensure adequate reach and rotation, and meticulous intraoperative handling to avoid twisting or kinking of the vascular pedicle. Postoperative management focuses on monitoring perfusion, controlling tension and preventing infection. Clinically, axial pattern flaps have been applied to the distal limb, perineal region, facial areas and truncal defects, offering durable coverage, rapid healing and restoration of form and function. Evolving refinements include preoperative imaging for vessel localisation, adjunctive use of tissue expansion and incorporation of dermal substitutes to enhance flap survival and cosmesis.
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Axial Pattern Flap Techniques in Veterinary Surgical Reconstruction publication trend
The graph below shows the total number of articles in axial pattern flap techniques in veterinary surgical reconstruction across all publications each year (not limited to Nature Index journals).
Technical terms
Axial pattern flap: a skin flap incorporating a named artery and accompanying vein to provide a dependable blood supply.
Subdermal plexus flap: a cutaneous flap relying on the network of small vessels beneath the skin rather than a single named vessel.
Granulation tissue: new vascular connective tissue that forms on the surface of a healing wound.
Dehiscence: the partial or complete separation of wound edges following surgical closure.
References
- Anatomic Variations of the Perineal Arteries and Nerves in the Male and Female Dog and Its Clinical Implications. Animals (2023).
- Evaluation of a genicular axial pattern flap to repair large cutaneous tibial defects in two dogs. BMC Veterinary Research (2019).
- Retalho de padrão axial da artéria angular da boca para reconstrução plástica labial em cão: Relato de caso. PubVet (2021).
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