Indocyanine green near-infrared fluorescence angiography in free parascapular flaps: Distal flap perfusion assessment in a retrospective study of 112 cases.

Upon comparing flap sizes and lengths of partial distal necrotic and uneventfully healed flaps a significant trend in flap size (261 ± 33.8 cm 2 vs 186 ± 61.7 cm 2 ; 95% CI: −103.5 to – 59.8: p = 0.001) and flap length (29 ± 5.1 cm vs 24 ± 3.8 cm, 95% CI: −9.3 to −3.4; p = 0.003) was seen.

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The overall model showed a trend toward statistical significance but did not reach the predefined threshold ((χ 2 (1) = 3.44, n = 112, p = 0.064).

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Conclusions Our findings suggest that ICG-NIR-VA may support intraoperative decision-making and may be associated with improved clinical outcomes, although several observed differences did not reach statistical significance.

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