Laser-speckle imaging to measure tissue perfusion in free flaps in oral and maxillofacial surgery: a potentially exciting and easy to use monitoring method

Free flaps are often used in the reconstruction of defects in the head and neck. For survival of the flap in the early phase of healing, the maintenance of good tissue perfusion and the prompt recognition of any vascular compromise are essential before irreversible changes occur. Advanced methods for flap monitoring are known to be more effective than clinical assessment alone.1 Techniques include Doppler and non-Doppler-based implantable devices, infrared imaging, and methods that use dyes such as indocyanine green or methylene blue.

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