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| http://dx.doi.org/10.1097/CM9.0000000000000281 | DOI Listing |
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Bispherical metal augment improved biomechanical stability in severe acetabular deficiency reconstruction: a comparative finite element analysis.
BMC Musculoskelet Disord
August 2024
Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 17 Lujiang Road, Hefei, 230000, People's Republic of China.
Background: This study used finite element analysis (FEA) to compare the biomechanical stability of bispherical metal augment (BA) and wedge-shaped trabecular-metal augment (TA) in different acetabular defect reconstruction models, thereby explaining the application value of this novel bispherical augment in complex hip revision.
Methods: Three different acetabular defect pelvis models originating from three representative patients with different types of severe acetabular defects (Paprosky IIC, IIIA, and IIIB) were constructed and reconstruction with BA and TA technique was simulated. Based on the FEA models, the displacement of reconstruction implants, relative displacement of bone implants, and hemi-pelvic von Mises stress were investigated under static loads.
Evaluation of cannulated compression headless screws as an alternative implant for superior pubic ramus fracture fixation: a biomechanical study.
Int Orthop
April 2023
Department of Trauma, University Hospital Zurich, Raemistrasse 100, 8091, Zurich, Switzerland.
Background/purpose: Pubic ramus fractures account for the most common types of pelvic fractures. The standard surgical approach for superior pubic ramus fractures (SPRF) is a minimally invasive percutaneous screw fixation. However, percutaneous closed reduction and internal fixation of anterior pelvic ring injuries have high failure rates of up to 15%.
View Article and Find Full Text PDF3D-printed hemipelvic prosthesis combined with a dual mobility bearing in patients with primary malignant neoplasm involving the acetabulum: clinical outcomes and finite element analysis.
BMC Surg
October 2022
Department of Orthopedics, The Third Affiliated Hospital, Naval Medical University (Second Military Medical University), 700 North Moyu Road, Jiading District, Shanghai, 201805, People's Republic of China.
Background: Limb salvage reconstruction for pelvic tumors, especially periacetabular tumors, is challenging. We combined the use of dual mobility bearing and 3D-printed hemipelvic prosthesis to improve function and reduce the probability of complications after hemi-pelvic resection in patients with primary acetabular malignancy. The purpose of this study was to evaluate the efficacy and safety of this combination.
View Article and Find Full Text PDF[Application of modified Gibson combined with modified ilioinguinal approach in treatment of Enneking + pelvic malignant tumors with three-dimensional printed hemipelvic prosthesis replacement].
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
July 2022
Department of Orthopedics, Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P. R. China.
Objective: To explore the surgical skills of modified Gibson combined with modified ilioinguinal (MGMII) approach in the treatment of Enneking Ⅱ+Ⅲ pelvic malignant tumors in the three-dimensional (3D) printed customized integrated hemipelvic prosthesis, and to evaluate the convenience and accuracy of the surgical approach and the short-term effectiveness.
Methods: Between January 2017 and March 2019, 7 patients with Enneking Ⅱ+Ⅲ pelvic malignant tumors were treated with tumor resection and 3D printed hemipelvic prosthesis replacement via MGMII approach. There were 6 males and 1 female.
Evaluation of minimally invasive surgical reduction of sacroiliac luxation in toy breed dogs: a cadaver study.
J Vet Sci
March 2022
Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea.
Background: Minimally invasive surgery (MIS) technique of sacroiliac luxation in toy breed dogs using cannulated screws has not been described.
Objectives: The purpose of this study was to evaluate the effectiveness of pelvic canal recovery, the reproducibility of successful surgery outcomes, and the acceptable difficulty of the procedure in MIS of sacroiliac luxation in toy breed dogs.
Methods: MIS using 2.
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