MODELO DE SIMULACIÓN REPRODUCIBLE PARA LA RECONSTRUCCIÓN DE MICROTIA CON ZANAHORIAS Y PIEL DE SILICONA.
Angélica Paulos1, Catalina Arredondo2, Carolina Lagos3, Valentina Broussain1, María José Hurtado4, Andrea Hasbun5, Katherine Ellsworth6, Macarena Muñoz6.
1. Cirujano Plástico Pediátrico, Hospital Dr. Roberto del Río, Santiago, Chile.
2. Cirujano Pediátrico, Base Hospitalaria San José de Osorno, Osorno, Chile.
3. Jefe de División de Cirugía Plástica Pediátrica, Hospital Dr. Roberto del Río, Santiago, Chile.
4. Cirujano Pediatra, Residente de Cirugía Plástica de la Universidad Finis Terrae, Santiago, Chile.
5. Cirujano Plástico, Hospital Militar y Clínica Alemana, Santiago, Chile.
6. Cirujano Pediátrico, Hospital Dr. Roberto del Río, Santiago de Chile.

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Introduction: The gold standard for microtia surgery is autologous rib cage cartilage reconstruction. The objective of this study is to develop an ex vivo simulation model for teaching carving techniques in auricular reconstruction.

Materials and Methods: The Firmin technique is used as a reference for reconstruction of the auricle. The materials used are: a scalpel with a handle, a carrot, Histoacryl® or 5/0 or 6/0 nylon sutures, or Prolene®, a sheet of paper or acetate mica, a pencil, and a cutting board. The materials used for the skin are: a 3 mm silicone tattoo practice skin, an embroidery frame, a Spacesaver vacuum bag, and a vacuum cleaner.

Results: A simulation model using readily available materials is presented, and the creation of a Firmin type 1 frame with carrots and a vacuum skin model is described, contributing to practice and improvement.

ConclusionThe proposed carrot model allows for learning how to create shape and three-dimensionality in an accessible, reproducible, and easily applicable way for inexperienced surgeons. Skin models allow for visualization of structural defects that are more difficult to see with the naked eye.