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Digital surface scanning in flap perfusion.

J T Deferm¹, F Baan², R Schreurs³

¹Department of Oral and Maxillofacial Surgery, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.

International Journal of Oral and Maxillofacial Surgery

|June 29, 2020

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This summary is machine-generated.

A digital surface scanner can detect vascular perfusion disorders by monitoring skin color changes. This non-invasive tool objectively identifies early signs of flap failure in reconstructive surgery.

Area of Science:

Biomedical Engineering
Surgical Innovation
Medical Imaging

Background:

Monitoring vascular perfusion is critical in reconstructive surgery to prevent flap failure.
Early detection of vascular compromise is essential for successful tissue transplantation.
Current methods for monitoring perfusion can be invasive or lack objectivity.

Purpose of the Study:

To evaluate the efficacy of a digital surface scanner in detecting vascular perfusion disorders.
To assess the scanner's ability to monitor skin color changes indicative of compromised blood flow.
To determine if the scanner can differentiate between arterial and venous vascular issues.

Main Methods:

160 forearm skin surface scans were performed using a TRIOS 3D scanner.

Keywords:

colour free tissue flap ischemia perfusion reconstructive surgical procedures three-dimensional image venous thrombosis

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Vascular compromise was simulated via intermittent arterial and venous blood supply occlusion.

Skin color changes were analyzed using hue, saturation, and value (HSV) color scale.

Paired t-tests were used to analyze color differences between normal and compromised skin.

Main Results:

Significant differences in skin color were observed between normal and vascularly compromised skin (P<0.01).
The digital surface scanner successfully distinguished between arterial occlusion and venous congestion (P<0.01).
Objective, quantifiable color data correlated with simulated perfusion deficits.

Conclusions:

Digital surface scanning is a viable, non-invasive method for monitoring skin perfusion.
This technology offers an objective tool for early detection of vascular compromise in reconstructive surgery.
The TRIOS 3D scanner shows promise in enhancing the safety and success rates of flap surgeries.