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Acta Cir Bras. 2018 Dec;33(12):1078-1086. doi: 10.1590/s0102-865020180120000005.

Experimental model for transforaminal endoscopic spine.

Author information

1
PhD, Amato - Instituto de Medicina Avançada, Sao Paulo-SP, Brazil. Conception and design of the study; acquisition, analysis and interpretation of data; technical procedures; manuscript preparation and writing; final approval.
2
MD, Amato - Instituto de Medicina Avançada, Sao Paulo-SP, Brazil. Conception and design of the study, acquisition of data, technical procedures, critical revision.
3
MD, Amato - Instituto de Medicina Avançada, Sao Paulo-SP, Brazil. Technical procedures, acquisition of data.
4
MD, Division of Neurosurgery and Pediatric Neurosurgery, Department of Surgery and Anatomy, Hospital Universitário, Ribeirao Preto Medical School, Universidade de São Paulo (USP), Ribeirao Preto-SP, Brazil. Substantive scientific and intellectual contributions to the study, critical revision.
5
PhD, Division of Neurosurgery and Pediatric Neurosurgery, Department of Surgery and Anatomy, Hospital Universitário, Ribeirao Preto Medical School, USP, Ribeirao Preto-SP, Brazil. Critical revision, final approval.

Abstract

PURPOSE:

To validate the porcine spine as a model for learning and practicing transforaminal percutaneous endoscopic lumbar procedures (TF-PELP).

METHODS:

TF-PELP was performed in three porcine cadaver lumbar spine levels. Anatomical features of the current cadaver were compared to human and porcine spines. Performance and documentation of endoscopic procedures were described.

RESULTS:

This study shows that this representative animal model reflects anatomical characteristics of the human spine. Transforaminal approaches were successfully completed. Although lower disc heights make disc puncture more difficult, the outside-in technique is feasible and more useful to identify anatomical parameters and to practice different surgical steps and maneuvers.

CONCLUSION:

This is an effective and representative model for learning and practicing this procedure. Difficulties of the procedure, as well as the differences compared to the human spine, were described.

[Indexed for MEDLINE]
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