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Journal of Orthopaedic Surgery and Research

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Open Access 01-12-2015 | Research article

The metaphyseal bone defect in distal radius fractures and its implication on trabecular remodeling—a histomorphometric study (case series)

Authors: Martin Lutz, Roland Steck, Ingrid Sitte, Michael Rieger, Michael Schuetz, Thomas Klestil

Published in: Journal of Orthopaedic Surgery and Research | Issue 1/2015

Abstract

Background

The invention of the locking plate technology leads to alterations of treatment strategies at metaphyseal fracture sites with the concept of spontaneous remodeling of trabecular bone voids. Whereas trabecular regeneration has been proven in experimental animal studies, no histologic data exist on human fracture healing with special emphasis on bone voids.

Methods

In order to qualify the trabecular bone remodeling capacity in vivo, bone specimens from the metaphyseal bone void were analyzed 14 months after trauma using quantitative histomorphometry. Twenty-five patients with an unstable dorsally displaced distal radius fracture were fixed with a palmar locking plate without additional bone graft or substitute. At implant removal, specimens from the previous compression void were harvested with a trephine in a volar-dorsal direction. In 16 patients, histomorphometric analysis could be performed, comparing the dorsal trabecular network with the volar, non-compressed ultrastructure.

Results

Significant differences for bone volume/total volume (BV/TV), trabecular number (TbN) and trabecular separation (TbSp), but not for trabecular thickness (TbTh) and osteoid volume/total volume (OV/TV), were detected. Neither patient age, defect size nor gender had a significant influence on bone remodeling.

Conclusions

The results of this study indicate that trabecular bone remodeling does not lead to pre-trauma bone quality in metaphyseal bone compression voids following reduction and application of a locking plate.

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Title: The metaphyseal bone defect in distal radius fractures and its implication on trabecular remodeling—a histomorphometric study (case series)
Authors: Martin Lutz
Roland Steck
Ingrid Sitte
Michael Rieger
Michael Schuetz
Thomas Klestil
Publication date: 01-12-2015
Publisher: BioMed Central
Published in: Journal of Orthopaedic Surgery and Research / Issue 1/2015
Electronic ISSN: 1749-799X
DOI: https://doi.org/10.1186/s13018-015-0205-9

ACC 2024 Congress

Springer Medicine

The metaphyseal bone defect in distal radius fractures and its implication on trabecular remodeling—a histomorphometric study (case series)

Abstract

Background

Methods

Results

Conclusions

ACC 2024 Congress

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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