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Background <p>Near-infrared spectroscopy (NIRS) is a system that uses infrared light to detect oxygen saturation of blood and in an early recognition of an eventual flap failure. This study displays which sensor can best be chosen according to the reconstructive flap performed.</p> Methods <p>Sensors with greater depth of investigation (2&#xa0;cm) were used for muscle-cutaneous and osteo-cutaneous fibula flaps. Sensors with a depth of investigation of 1.25&#xa0;cm were used for fascio-cutaneous flaps. For the iliac crest flap, in view of the lack of cutaneous component, which would not allow a valid adhesion surface for the sensor, we opted for sensor with a depth of investigation that extends from 1 to 2.5&#xa0;cm, and the sensor is placed directly on the native skin that covers the defect. This sensor allows the exclusion from the analysis of the data received from the first centimeter of tissue encountered, therefore analyzing exclusively the underlying flap.</p> Results <p>In all the cases there were no issues with sensor displacement or interruption of collection of data, even in oral reconstruction.</p> Conclusion <p>The choice of the sensor must be properly weighted according to the size, and in particular the thickness, of the reconstructive flap.</p>

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Near-Infrared Spectroscopy Sensors, Which Type to Choose and How to Fix it in Cranio- and Maxillo-facial Reconstructive Surgery: Tip and Tricks

  • 期刊论文

  • 发表日期：

    2025年1月3日

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  • Massimiliano Gilli,
  • Francesco Giovacchini,
  • Valeria Mitro,
  • Federica Sacchi,
  • Umberto Committeri,
  • Angela Rosa Caso,
  • Gabriele Monarchi,
  • Antonio Tullio

摘要

Background

Near-infrared spectroscopy (NIRS) is a system that uses infrared light to detect oxygen saturation of blood and in an early recognition of an eventual flap failure. This study displays which sensor can best be chosen according to the reconstructive flap performed.

Methods

Sensors with greater depth of investigation (2 cm) were used for muscle-cutaneous and osteo-cutaneous fibula flaps. Sensors with a depth of investigation of 1.25 cm were used for fascio-cutaneous flaps. For the iliac crest flap, in view of the lack of cutaneous component, which would not allow a valid adhesion surface for the sensor, we opted for sensor with a depth of investigation that extends from 1 to 2.5 cm, and the sensor is placed directly on the native skin that covers the defect. This sensor allows the exclusion from the analysis of the data received from the first centimeter of tissue encountered, therefore analyzing exclusively the underlying flap.

Results

In all the cases there were no issues with sensor displacement or interruption of collection of data, even in oral reconstruction.

Conclusion

The choice of the sensor must be properly weighted according to the size, and in particular the thickness, of the reconstructive flap.