A Revised Protocol for More Clearly Classifying a Nonunion

Classifying a nonunion solely on the extent of callus formation on a radiograph is insufficient. We have conducted a study with a revised protocol to classify a nonunion more clearly, which uses both radiographic observation and fixation stability. 47 consecutive femoral shaft nonunions were studied...

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Main Authors:	Chi-Chuan Wu, Wen-Jer Chen
Format:	Article
Language:	English
Published:	SAGE Publishing 2000-06-01
Series:	Journal of Orthopaedic Surgery
Online Access:	https://doi.org/10.1177/230949900000800109

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spelling	doaj-b1728d3fffa6489fbef031ecfe80b83e2020-11-25T03:22:13ZengSAGE PublishingJournal of Orthopaedic Surgery2309-49902000-06-01810.1177/230949900000800109A Revised Protocol for More Clearly Classifying a NonunionChi-Chuan WuWen-Jer ChenClassifying a nonunion solely on the extent of callus formation on a radiograph is insufficient. We have conducted a study with a revised protocol to classify a nonunion more clearly, which uses both radiographic observation and fixation stability. 47 consecutive femoral shaft nonunions were studied using this protocol and 42 nonunions were followed up for at least one year after discovery (range, 1–3 years). 40 nonunions healed after treatment with a union rate of 95.2% (40/42) and a union period of 4.7 ± 0.9 months. The 2 cases of failure were due to implant failure and both healed after reoperation. We recommend this revised protocol as a pretreatment assessment for all nonunions because of its integrity and effectiveness.https://doi.org/10.1177/230949900000800109
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Chi-Chuan Wu Wen-Jer Chen
spellingShingle	Chi-Chuan Wu Wen-Jer Chen A Revised Protocol for More Clearly Classifying a Nonunion Journal of Orthopaedic Surgery
author_facet	Chi-Chuan Wu Wen-Jer Chen
author_sort	Chi-Chuan Wu
title	A Revised Protocol for More Clearly Classifying a Nonunion
title_short	A Revised Protocol for More Clearly Classifying a Nonunion
title_full	A Revised Protocol for More Clearly Classifying a Nonunion
title_fullStr	A Revised Protocol for More Clearly Classifying a Nonunion
title_full_unstemmed	A Revised Protocol for More Clearly Classifying a Nonunion
title_sort	revised protocol for more clearly classifying a nonunion
publisher	SAGE Publishing
series	Journal of Orthopaedic Surgery
issn	2309-4990
publishDate	2000-06-01
description	Classifying a nonunion solely on the extent of callus formation on a radiograph is insufficient. We have conducted a study with a revised protocol to classify a nonunion more clearly, which uses both radiographic observation and fixation stability. 47 consecutive femoral shaft nonunions were studied using this protocol and 42 nonunions were followed up for at least one year after discovery (range, 1–3 years). 40 nonunions healed after treatment with a union rate of 95.2% (40/42) and a union period of 4.7 ± 0.9 months. The 2 cases of failure were due to implant failure and both healed after reoperation. We recommend this revised protocol as a pretreatment assessment for all nonunions because of its integrity and effectiveness.
url	https://doi.org/10.1177/230949900000800109
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A Revised Protocol for More Clearly Classifying a Nonunion

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