3D-Printed Modular Endoprosthesis Reconstruction Following Total Calcanectomy in Calcaneal Malignancy

Author:

Gong Taojun12,Lu Minxun12,Wang Jie12,Zhang Yuqi12,Wang Yitian12,Tang Fan12,Li Zhuangzhuang12,Zhou Yong12,Min Li12,Luo Yi12,Tu Chongqi12ORCID

Affiliation:

1. Department of Orthopedics, Orthopaedic Research Institute, West China Hospital, Sichuan University, Chengdu, People’s Republic of China

2. Model Worker and Craftsman Talent Innovation Workshop of Sichuan province, Chengdu, Sichuan, People’s Republic of China

Abstract

Background: The use of 3D-printed endoprosthesis has been proposed as a viable limb-salvage procedure following total calcanectomy in patients with calcaneal malignancy. However, certain drawbacks persist concerning the prosthetic design. In this case series, we designed a modular endoprosthesis incorporating a novel drainage system, aiming to improve the functional outcomes and to promote wound healing. Methods: We retrospectively analyzed patients with calcaneal malignancy who underwent 3D-printed modular endoprosthesis reconstruction. Clinically, we evaluated functional outcomes using the 10-cm visual analog scale (VAS) score, the 1993 version of the Musculoskeletal Tumor Society (MSTS-93) score, and the American Orthopaedic Foot & Ankle Society (AOFAS) hindfoot score. Complications were also recorded. Results: Five male patients met the final inclusion criteria. The median age was 20 years (range 13-47 years). The median follow-up time was 28 months (range, 13-65 months). Median postoperative functional MSTS-93, VAS, and AOFAS scores were 27 points (range, 25-29), 0 points (range, 0-1), and 86 points (range, 83-93), respectively. Wound healing was observed in all patients, and there were no complications related to the endoprosthesis at the last follow-up. Conclusion: The use of 3D-printed modular endoprosthesis was associated with satisfactory short-term outcomes in patients undergoing calcaneal reconstruction. The incorporation of a novel design featuring an integrated draining system has the potential to enhance wound healing and expedite functional recovery. Level of Evidence: Level IV, case series.

Funder

1.3.5 project for disciplines of excellence, West China Hospital, Sichuan University

Publisher

SAGE Publications

Subject

Orthopedics and Sports Medicine,Surgery

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Foot & Ankle;Bone & Joint 360;2023-12-01

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