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The virtual reality tool VirSSPA in planning DIEP microsurgical breast reconstruction

  • T. Gómez-CíaEmail author
  • P. Gacto-Sánchez
  • D. Sicilia
  • C. Suárez
  • B. Acha
  • C. Serrano
  • C. Parra
  • J. De La Higuera
Original Article

Abstract

Background

The significant variation in the vascular anatomy of the abdominal wall makes preoperative imaging essential when raising a DIEP (deep inferior epigastric artery perforator) flap due to the potential for maximizing operative success, reducing intraoperative error and minimizing operative complications. Variability in perforator anatomy makes DIEP flap surgery a suitable candidate for computer and virtual reality bio models. In this context, a study was undertaken to determine the feasibility of CTA-guided by VirSSPA application. VirSSPA is a virtual reality tool developed in our Hospital for surgical planning and training. This application allows surgeons to generate the three-dimensional (3D) model of the patient.

Objective

In this paper, we present a study about VirSSPA tool for virtual reality navigation in DIEP flap surgery and compare findings with operative measurements.

Methods

We recruited 12 consecutive patients planned for an elective DIEP flap for breast reconstruction. Each patient underwent preoperative imaging of the anterior abdominal wall vasculature with both conventional CTA and VirSSPA 3D reconstruction. Imaging findings were compared to operative findings.

Results

3D reconstruction of the abdominal wall with VirSSPA demonstrated a significant good correlation with perforator location compared to operative findings, showing an average error rate of 0.228 cm (95% CI, 0.17–0.30). The Pearson product–moment correlation coefficient was found to be 0.99 (p =  0.01), reflecting an almost linear relationship between the two distances, intraoperative and the one measured in the 3D reconstruction.

Conclusion

VirSSPA provides additional and potentially more accurate data over conventional CTA with regard to the site of the best perforators and its course through the muscle for DIEP micro-vascular surgery.

Keywords

CT images Surgical planning Computer-assisted surgery Reconstructive surgical procedures Microsurgery DIEP breast reconstruction 

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Copyright information

© CARS 2009

Authors and Affiliations

  • T. Gómez-Cía
    • 1
    Email author
  • P. Gacto-Sánchez
    • 1
  • D. Sicilia
    • 1
  • C. Suárez
    • 2
    • 3
  • B. Acha
    • 3
  • C. Serrano
    • 3
  • C. Parra
    • 2
  • J. De La Higuera
    • 2
  1. 1.Unidad de Gestión Clínica de Cirugía Plástica y Reconstructiva y Unidad de QuemadosHospitales Universitarios Virgen del Rocío de SevillaSevilleSpain
  2. 2.Grupo de Innovación TecnólogicaHospitales Universitarios Virgen del Rocío de SevillaSevilleSpain
  3. 3.Departamento de Teoría de la Señal y ComunicacionesEscuela Técnica Superior de IngenierosSevilleSpain

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