Related Experiment Video
Updated: Apr 30, 2026
07:57
An Experimental Human DIEP Flap Model to Investigate Preservation Strategies for Vascularized Composite Allografts and Free Flaps
Published on: December 5, 2025
471
[A perforator-based dorsal flap's experimental research in the rat]
Zhonghua Zheng Xing Wai Ke Za Zhi = Zhonghua Zhengxing Waike Zazhi = Chinese Journal of Plastic Surgery
|April 24, 2014
Summary
A new rat model demonstrated that a single perforator vessel can supply multiple angiosomes in perforator flap design. This finding offers guidance for optimizing flap viability and surgical planning.
Area of Science:
- Plastic Surgery
- Vascular Anatomy
- Surgical Innovation
Context:
- Perforator flaps are crucial in reconstructive surgery.
- Understanding the vascular territories supplied by individual perforators is essential for flap design.
- Current models may not fully elucidate the angiosomal reach of single perforators.
Purpose:
- To develop a novel experimental animal model for studying perforator flap vascularity.
- To investigate the angiosomal territory supplied by a single perforating vessel in different flap designs.
- To assess the viability and vascular architecture of perforator flaps based on different pedicles.
Summary:
- Thirty-six rats underwent flap elevation based on deep circumflex iliac (Group A), posterior intercostal (Group B), or lateral thoracic (Group C) perforator arteries.
- Flap viability was assessed via fluorescein injection and microangiography over seven days.
- Group B (posterior intercostal perforator artery) demonstrated the highest flap survival and intact vascular architecture, while Groups A and C showed significant necrosis.
Impact:
- Establishes a reliable animal model for perforator flap research.
- Demonstrates that a single perforator vessel can supply multiple angiosomes.
- Provides theoretical guidance for optimizing perforator flap design to enhance blood supply and survival.
