Pelvic reconstruction with different rod-screw systems following Enneking type I/I + IV resection: a clinical study

The mechanical outcomes of patients with pelvic bone tumors involving zone I or zone I + IV who received resection and different reconstructions are not clear. Therefore, the purpose of this study was to compare the outcomes of different rod-screw systems in reconstruction for these patients, and ev...

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Bibliographic Details
Published in:Oncotarget 2017-06, Vol.8 (24), p.38978-38989
Main Authors: Lin, Peng, Shao, Youyou, Lu, Huigen, Zhang, Zhengliang, Lin, Haiqing, Wang, Shengdong, Li, Binghao, Li, Hengyuan, Wang, Zhan, Lin, Nong, Ye, Zhaoming
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Bone Neoplasms - surgery
Bone Screws
Equipment Failure
Female
Humans
Male
Middle Aged
Orthopedic Procedures - instrumentation
Orthopedic Procedures - methods
Pelvic Bones - surgery
Reconstructive Surgical Procedures - instrumentation
Reconstructive Surgical Procedures - methods
Research Paper
Retrospective Studies
Treatment Outcome
Young Adult
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Summary:The mechanical outcomes of patients with pelvic bone tumors involving zone I or zone I + IV who received resection and different reconstructions are not clear. Therefore, the purpose of this study was to compare the outcomes of different rod-screw systems in reconstruction for these patients, and evaluate the relative risk of mechanical failure for them. We reviewed 30 patients for a mean duration of 40.4 months of follow-up (range, 13.1-162.2 months), five patients had mechanical complications. The mechanical survival rate of two-rod and four-screw (TRFS) group was significantly higher than one-rod and two-screw (ORTS) group (p = 0.000). The implant survival rate was correlated with ages (p = 0.010), younger people are more likely to fail. Thus, TRFS fixation for pelvic reconstruction after Enneking type I/I + IV resection can provide better short to long-term mechanical stability compared with ORTS fixation, the strength of ORTS fixation is not enough. In addition, biological reconstruction such as autologous bone graft is recommended for the patients who are younger or suffered from benign tumor. As for the patients who are older, with malignant tumors, underwent adjuvant radiotherapy or chemotherapy, functional reconstruction with bone cement is a good choice.
ISSN:1949-2553
1949-2553
DOI:10.18632/oncotarget.17164