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[A method for quantifying vessel anastomosis in skin flap].

Hongju Xie1, Ji Zhang, Huichao Li

  • 1Department of Cosmetic and Plastic Surgery,the First Affiliated Hospital of Nanhua University, Hengyang Hunan, 421001, PR China. xhj1251@sina.com

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery
|December 12, 2007
PubMed
Summary

A new method quantifies vascular anastomosis in skin flaps using angiography. Expanded flaps showed significantly higher vessel intersection counts than unexpanded flaps, validating the technique.

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Area of Science:

  • Vascular Surgery
  • Microsurgery
  • Plastic Surgery

Background:

  • Assessing vascular anastomosis is crucial for skin flap viability.
  • Existing methods may lack precision or practicality for quantitative analysis.
  • Developing reliable techniques is essential for advancing reconstructive surgery.

Purpose of the Study:

  • To introduce a novel method for quantifying vascular anastomosis in skin flaps.
  • To establish a theoretical foundation for vascular studies in skin flaps.
  • To evaluate the efficacy of the proposed quantification method.

Main Methods:

  • Ten bilateral deep iliac circumflex vessel-based skin flaps were created in minipigs.
  • One group of flaps underwent tissue expansion, while the control group did not.

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  • Angiography with a gelatin-lead oxide mixture, followed by cryopreservation, was used for imaging.
  • A novel line-intersection counting method was employed to quantify vessel anastomosis.

    • Main Results:

    • The expanded flap group exhibited a significantly higher mean intersection count (81.20 ± 10.33) compared to the unexpanded group (22.40 ± 5.41).
    • Statistical analysis confirmed a significant difference between the two groups (P < 0.01).
    • The results indicate a direct correlation between tissue expansion and increased vascularity at the anastomosis site.

    Conclusions:

    • The developed method for quantifying vessel anastomosis in skin flaps is simple, reliable, and easily implementable.
    • This technique provides a valuable tool for vascular assessment in experimental and clinical settings.
    • The principles underlying this method hold potential for broader applications in vascular research and practice.