Identification of the optimal predictive cutoff value for expanded flap viability using Indocyanine Green Angiography: a prospective study

Shuchen Gu; Yimin Khoog; Yunhan Liu; Yashan Gao; Haizhou Li; Bin Gu; Feng Xie; Qingfeng Li; Xin Huang; Tao Zan

doi:10.1117/12.2686532

13 March 2024 Identification of the optimal predictive cutoff value for expanded flap viability using Indocyanine Green Angiography: a prospective study

Shuchen Gu, Yimin Khoog, Yunhan Liu, Yashan Gao, Haizhou Li, Bin Gu, Feng Xie, Qingfeng Li, Xin Huang, Tao Zan

Author Affiliations +

Proceedings Volume PC12816, Photonics in Dermatology and Plastic Surgery 2024; PC1281607 (2024) https://doi.org/10.1117/12.2686532
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Tissue expansion is a common technique for acquiring enough tissue to reconstruct large defects; however, the problem of increased risk of flap necrosis in expanded flaps has not yet been adequately addressed. Indocyanine green angiography (ICGA) is a near-infrared laser activated, non-radioactive, real-time fluorescent imaging system that has allowed for the quantitative evaluation of flap perfusion. Nevertheless, a universally accepted threshold value for evaluating the viability of expanded flaps has not yet been established. Since our institution routinely treats patients with massive defects to be reconstructed with an expanded flap, we determined the optimal fluorescent cutoff value for intraoperative decision making to prevent postoperative necrosis.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Shuchen Gu, Yimin Khoog, Yunhan Liu, Yashan Gao, Haizhou Li, Bin Gu, Feng Xie, Qingfeng Li, Xin Huang, and Tao Zan "Identification of the optimal predictive cutoff value for expanded flap viability using Indocyanine Green Angiography: a prospective study", Proc. SPIE PC12816, Photonics in Dermatology and Plastic Surgery 2024, PC1281607 (13 March 2024); https://doi.org/10.1117/12.2686532

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KEYWORDS

Angiography

Indocyanine green

Fluorescence

Tissues

Decision making

Imaging systems

Receivers

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