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In situ Transverse Rectus Abdominis Myocutaneous Flap: A Rat Model of Myocutaneous Ischemia Reperfusion Injury

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Teaching Models for Correct Rhombic Flaps.

Kun Hwang^1,2,3, Jin Myung Yoon⁴, Tae Jun Park⁴

¹Department of Plastic Surgery, Armed Forces Capital Hospital, Bundang-gu, Seongnam-City, Gyeonggi-do.

The Journal of Craniofacial Surgery

|May 30, 2023

Summary

This study introduces effective teaching models for designing accurate rhombic flaps, crucial for plastic surgery. Participants successfully learned correct Limberg flap design through hands-on practice with varied materials.

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Area of Science:

Plastic Surgery
Surgical Education
Anatomical Modeling

Background:

Accurate rhombic flap design is essential in plastic surgery for optimal wound closure.
Traditional teaching methods may not fully convey the nuances of flap design, particularly concerning the line of maximal extensibility (LME).
Developing effective, tangible models can enhance surgical trainees' understanding and practical skills.

Purpose of the Study:

To introduce and evaluate novel teaching models for the correct design of rhombic flaps, specifically the Limberg flap.
To assess the efficacy of different materials in simulating flap design and transposition.
To facilitate learning through a hands-on workshop without prior theoretical instruction.

Main Methods:

Three distinct models were utilized: surgical fabric (model 1), scored corrugated cardboard (model 2), and scored polyethylene sheet (model 3), incorporating the line of maximal extensibility (LME).
A silicone face model (model 4) was used for flap design on a simulated cheek defect.
Seven participants from a Plastic Surgery Department engaged in a workshop, designing and transposing Limberg flaps using the provided models.

Main Results:

Participants successfully designed correct Limberg flaps through trial and error, demonstrating the models' educational value.
The scored polyethylene sheet model exhibited superior extensibility and minimal distortion compared to other materials.
The workshop enabled participants to correctly identify and utilize two parallel LMEs for accurate rhombic flap design.

Conclusions:

The developed teaching models, particularly the scored polyethylene sheet, are effective tools for instructing correct rhombic flap design.
Hands-on learning with these models facilitates the acquisition of essential surgical skills for Limberg flap creation.
This workshop approach enhances surgical trainees' ability to design accurate flaps by understanding key anatomical principles like the LME.