The use of 3D printed models for the pre-operative planning of surgical correction of pediatric hip deformities: a case series and concise review of the literature.

Giulia Facco; Daniele Massetti; Valentino Coppa; Roberto Procaccini; Luciano Greco; Michela Simoncini; Alberto Mari; Mario Marinelli; Antonio Gigante

doi:10.23750/abm.v92i6.11703

The use of 3D printed models for the pre-operative planning of surgical correction of pediatric hip deformities: a case series and concise review of the literature.

Authors

Giulia Facco Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy https://orcid.org/0000-0002-9711-8165
Daniele Massetti Department of Orthopedic and Trauma Surgery, Ospedali Riuniti, Ancona, Italy
Valentino Coppa Clinic of Adult and Paediatric Orthopaedics, Ospedali Riuniti, Ancona, Italy
Roberto Procaccini Clinic of Adult and Paediatric Orthopaedics, Ospedali Riuniti, Ancona, Italy
Luciano Greco Department of Industrial Engineering and Mathematical Sciences, Università Politecnica delle Marche, Ancona, Italy
Michela Simoncini Università degli Studi Ecampus Novedrate, Italy
Alberto Mari 6Health Physics Department, Ospedali Riuniti, Ancona, Italy
Mario Marinelli Clinic of Adult and Paediatric Orthopaedics, Ospedali Riuniti, Ancona, Italy
Antonio Gigante Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy

DOI: https://doi.org/10.23750/abm.v92i6.11703

Keywords:

3D printing, surgical planning, Zanoli-Pemberton osteotomy, Ganz-Paley osteotomy, mock surgery

Abstract

Background and aim: Three-dimensional (3D) printing is prevailing in surgical planning of complex cases. The aim of this study is to describe the use of 3D printed models during the surgical planning for the treatment of four pediatric hip deformity cases. Moreover, pediatric pelvic deformities analyzed by 3D printed models have been object of a concise review.

Methods: All treated patients were females, with an average age of 5 years old. Patients’ dysplastic pelvises were 3D-printed in real scale using processed files from Computed Tomography (CT) or Magnetic Resonance Imaging (MRI). Data about 3D printing, surgery time, blood loss and fluoroscopy have been recorded.

Results: The Zanoli-Pemberton or Ganz-Paley osteotomies were performed on the four 3D printed models, then the real surgery was performed in the operating room. Time and costs to produce 3D printed models were respectively on average 17:26 h and 34.66 €. The surgical duration took about 87.5 min while the blood loss average was 1.9 ml/dl. Fluoroscopy time was 21 sec. MRI model resulted inaccurate and more difficult to produce. 10 papers have been selected for the concise literature review.

Conclusions: 3D printed models have proved themselves useful in the reduction of surgery time, blood loss and ionizing radiation, as well as they have improved surgical outcomes. 3D printed model is a valid tool to deepen the complex anatomy and orientate surgical choices by allowing surgeons to carefully plan the surgery.

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