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Review
. 2020 Nov 10;6(1):34.
doi: 10.1186/s41205-020-00087-0.

3D - Printed Patient Specific Instrumentation in Corrective Osteotomy of the Femur and Pelvis: A Review of the Literature

Njalalle Baraza  1   2 , Chris Chapman  3 , Sima Zakani  4 , Kishore Mulpuri  5   6
Affiliations
Review

3D - Printed Patient Specific Instrumentation in Corrective Osteotomy of the Femur and Pelvis: A Review of the Literature

Njalalle Baraza et al. 3D Print Med. .

Abstract

Background: The paediatric patient population has considerable variation in anatomy. The use of Computed Tomography (CT)-based digital models to design three-dimensionally printed patient specific instrumentation (PSI) has recently been applied for correction of deformity in orthopedic surgery. This review sought to determine the existing application of this technology currently in use within paediatric orthopaedics, and assess the potential benefits that this may provide to patients and surgeons.

Methods: A review was performed of MEDLINE, EMBASE, and CENTRAL for published literature, as well as Web of Science and clinicaltrials.gov for grey literature. The search strategy revolved around the research question: "What is the clinical impact of using 3D printed PSI for proximal femoral or pelvic osteotomy in paediatric orthopaedics?" Two reviewers, using predetermined inclusion criteria, independently performed title and abstract review in order to select articles for full text review. Data extracted included effect on operating time and intraoperative image use, as well as osteotomy and screw positioning accuracy. Data were combined in a narrative synthesis; meta-analysis was not performed given the diversity of study designs and interventions.

Results: In total, ten studies were included: six case control studies, three case series and a case report. Five studies directly compared operating time using PSI to conventional techniques, with two showing a significant decrease in the number of intraoperative images and operative time. Eight studies reported improved accuracy in executing the surgical plan compared to conventional methods.

Conclusion: Compared to conventional methods of performing femoral or pelvic osteotomy, use of PSI has led to improved accuracy and precision, decreased procedure times, and decreased intra-operative imaging requirements. Additionally, the technology has become more cost effective and accessible since its initial inception and use.

Keywords: 3D printing; Femoral osteotomy; Orthopaedic surgery; Patient specific instrumentation; Pelvic osteotomy.

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Conflict of interest statement

KM has received research support from Allergan, Pega Medical and Depuy Synthes (Johnson & Johnson). None are directly relevant to the research in this paper. For the remaining authors none were declared.

Figures

Fig. 1
Fig. 1
Study Selection from Search Performed 16th Sept 2020
See this image and copyright information in PMC

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