CC BY-NC-ND 4.0 · Rev Bras Ortop (Sao Paulo) 2022; 57(01): 089-095
DOI: 10.1055/s-0040-1716761
Artigos Originais
Joelho

Use of the Bone Ninja Mobile Application as a Pre-operative Assessment and Simulation Tool in Patients Undergoing High Tibial Osteotomy[*]

Article in several languages: português | English
1   Departamento de Ortopedia, Hospital Militar de Kirkee, Pune, India
,
2   Departamento de Farmacologia, Faculdade de Medicina das Forças Armadas, Pune, India
› Author Affiliations

Abstract

Objective Our purpose was to facilitate the simulation of preoperative correction to enable shared doctor-patient decision-making in individuals undergoing high tibial osteotomy (HTO).

Methods A total of 22 patients underwent high tibial osteotomy using internal or external fixation devices for medial compartment osteoarthritis of the knee. Preoperatively, assessment of deformity parameters and simulation of the corrective osteotomy was done in the presence of the patient, using Bone Ninja. Postoperatively, the patient's satisfaction level with the quality of explanation provided by the use of this software was assessed using the Patient Satisfaction Questionnaire-short (PSQ-18). A comparison of the correction obtained using paper cuttings and the simulation software was performed.

Results All patients were satisfied with their role in the decision-making process. They showed a good understanding and comprehension of the proposed surgery. There was no statistically significant difference between simulated preoperative Medial Proximal Tibial Angle (MPTA) obtained by paper cuttings and software-assisted correction. The PSQ-18 mean score for communication was 4.24 (0.88), for technical quality it was 4.11 (0.59) and for general satisfaction it was 3.11 (0.68).

Conclusion Bone Ninja is an effective, convenient, user-friendly and cost-effective deformity planning tool that supersedes the arduous traditional method of paper tracings and scissors.

Informed Consent

Informed consent was obtained from all individual participants included in the study.


The authors are in no way associated with the makers of the software (Sinai Hospital, Baltimore).


Financial Support

There was no financial support from public, commercial, or not-for-profit sources.


* Work developed at the Department of Orthopaedics, Military Hospital Kirkee, Pune, India.




Publication History

Received: 07 May 2020

Accepted: 06 July 2020

Article published online:
02 November 2020

© 2020. Sociedade Brasileira de Ortopedia e Traumatologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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