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Pelvic reconstruction with compound osteosynthesis following hemipelvectomy: A clinical study.

Authors
  • Gebert, C1
  • Wessling, M
  • Gosheger, G
  • Aach, M
  • Streitbürger, A
  • Henrichs, M P
  • Dirksen, U
  • Hardes, J
  • 1 Orthopaedic Hospital Volmarstein, Department of Tumour & Revision Surgery, Lothar-Gau-Str. 11, D-58300 Wetter, and The University of Muenster, Germany. , (Germany)
Type
Published Article
Journal
The bone & joint journal
Publication Date
Oct 01, 2013
Volume
95-B
Issue
10
Pages
1410–1416
Identifiers
DOI: 10.1302/0301-620X.95B10.31123
PMID: 24078542
Source
Medline
Keywords
License
Unknown

Abstract

To date, all surgical techniques used for reconstruction of the pelvic ring following supra-acetabular tumour resection produce high complication rates. We evaluated the clinical, oncological and functional outcomes of a cohort of 35 patients (15 men and 20 women), including 21 Ewing's sarcomas, six chondrosarcomas, three sarcomas not otherwise specified, one osteosarcoma, two osseous malignant fibrous histiocytomas, one synovial cell sarcoma and one metastasis. The mean age of the patients was 31 years (8 to 79) and the latest follow-up was carried out at a mean of 46 months (1.9 to 139.5) post-operatively. We undertook a functional reconstruction of the pelvic ring using polyaxial screws and titanium rods. In 31 patients (89%) the construct was encased in antibiotic-impregnated polymethylmethacrylate. Preservation of the extremities was possible for all patients. The survival rate at three years was 93.9% (95% confidence interval (CI) 77.9 to 98.4), at five years it was 82.4% (95% CI 57.6 to 93.4). For the 21 patients with Ewing's sarcoma it was 95.2% (95% CI 70.7 to 99.3) and 81.5% (95% CI 52.0 to 93.8), respectively. Wound healing problems were observed in eight patients, deep infection in five and clinically asymptomatic breakage of the screws in six. The five-year implant survival was 93.3% (95% CI 57.8 to 95.7). Patients were mobilised at a mean of 3.5 weeks (1 to 7) post-operatively. A post-operative neurological defect occurred in 12 patients. The mean Musculoskeletal Tumor Society score at last available follow-up was 21.2 (10 to 27). This reconstruction technique is characterised by simple and oncologically appropriate applicability, achieving high primary stability that allows early mobilisation, good functional results and relatively low complication rates.

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