International Journal of Computer Assisted Radiology and Surgery ( IF 2.3 ) Pub Date : 2024-01-18 , DOI: 10.1007/s11548-024-03062-w Amir Reza Isazadeh 1 , Hadi Seikaly 2, 3 , Lindsey Westover 4 , Daniel Aalto 1, 2
Purpose
Despite the significance and complexity of tongue reconstruction surgery, a digital tool for flap design is currently lacking. This study investigates the effectiveness of employing inverse finite element method (IFEM) for meticulously designing the geometric characteristics of harvested tissue (free flap) for tongue reconstruction.
Methods
In the case of an artificially simulated hemiglossectomy, IFEM algorithm was applied for algorithmic flap design. The method's effectiveness was evaluated by assessing flap deformation in a simplified virtual reconstruction, focusing on parameters such as stress, strain, and thickness.
Results
The IFEM algorithm successfully generated an optimal flap design for the intended surgical removal. Analysis of the flap's overall surface area, deformation characteristics, and safety margins demonstrated the feasibility of the deformation. Notably, the stress and thickness assessments suggested that the flap's tension post-surgery would not adversely affect the mobility of the reconstructed tongue, suggesting a positive outcome for functional recovery.
Conclusion
The IFEM demonstrates significant potential as a tool for precise free flap design in tongue reconstruction surgeries. Its application could lead to improved surgical accuracy and better quality of life for patients undergoing such procedures.
中文翻译:
舌重建中算法设计的皮瓣:可行性分析
目的
尽管舌重建手术具有重要意义和复杂性,但目前仍缺乏用于皮瓣设计的数字工具。本研究探讨了采用逆有限元法 (IFEM) 精心设计用于舌重建的收获组织(游离皮瓣)几何特征的有效性。
方法
在人工模拟半舌切除术中,IFEM 算法被应用于算法瓣设计。通过评估简化虚拟重建中的皮瓣变形来评估该方法的有效性,重点关注应力、应变和厚度等参数。
结果
IFEM 算法成功生成了用于预期手术切除的最佳皮瓣设计。对皮瓣整体表面积、变形特征和安全裕度的分析证明了变形的可行性。值得注意的是,应力和厚度评估表明,术后皮瓣的张力不会对重建舌头的活动性产生不利影响,这表明对功能恢复有积极的结果。
结论
IFEM 展示了作为舌重建手术中精确游离皮瓣设计工具的巨大潜力。它的应用可以提高手术准确性并改善接受此类手术的患者的生活质量。