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J Reconstr Microsurg 2017; 33(03): 194-205
DOI: 10.1055/s-0036-1594299
Original Article
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

A Comparison of Vascularized Free Fibular Flaps and Nonvascularized Fibular Grafts for Reconstruction of Long Bone Defects after Tumor Resection

Emmanuel Pantaleon Estrella
1   Microsurgery Unit, Department of Orthopedics, University of the Philippines Manila, Manila, Philippines
,
Edward H. M. Wang
2   UP Musculoskeletal Tumor Unit, Department of Orthopedics, University of the Philippines Manila, Manila, Philippines
› Author Affiliations
Further Information

Publication History

26 June 2016

08 October 2016

Publication Date:
15 December 2016 (online)

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Abstract

Background The use of the fibula autograft has been a reliable method in the reconstruction of long bone defects after tumor resection. The objective of this study was to report the outcomes fibular grafting in terms of graft union, functional score, complications, and oncologic outcome.

Methods A retrospective review of patients with fibular grafting after tumor resection was done from January 1, 1993 to December 31, 2013. The primary outcome was graft union and the revised musculoskeletal tumor society scoring system (MSTS score). The secondary outcomes were oncologic outcomes, complications, and the factors associated with graft union.

Results A total of 52 patients with a mean follow-up of 42 months (SD, 33; range, 12–132 months) were included. The overall union for all fibular grafts was 37 of 52. The use of vascularized free fibula flaps had a higher union rate compared with nonvascularized fibula grafts. The use of a vascularized free fibular flap was four times likely to unite (95% CI 1.1–12.8, p = 0.039) compared with nonvascularized fibular grafts. The mean MSTS score in 36 patients was 82.5 (SD, 12.9) at 35 months from surgery (SD, 30). A total of 39 complications were present in 29 patients. On final follow-up, 45 of 52 patients were alive, six patients had died of disease and one died of other causes.

Conclusion A higher union rate was achieved using vascularized free fibular flaps compared with nonvascularized fibular grafts for long bone reconstruction after tumor resection. There was no difference in terms of MSTS score between the two types of grafts.

Keywords

fibula graft - tumor reconstruction - fibula tumor reconstruction
 

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