Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis

Abstract Objective Dynamic hip screw (DHS) and cannulated screws (CS) are widely used for femoral neck fractures. However, there is no definite result as to which surgical method bring less complications. We performed this study to compare the complication (mortality, non-union, avascular necrosis (...

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Main Authors: Lang Li, Xue Zhao, Xiaodong Yang, Xueyang Tang, Ming Liu
Format: Article
Language:English
Published: BMC 2020-08-01
Series:Journal of Orthopaedic Surgery and Research
Subjects:
Online Access:http://link.springer.com/article/10.1186/s13018-020-01842-z
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author Lang Li
Xue Zhao
Xiaodong Yang
Xueyang Tang
Ming Liu
author_facet Lang Li
Xue Zhao
Xiaodong Yang
Xueyang Tang
Ming Liu
author_sort Lang Li
collection DOAJ
description Abstract Objective Dynamic hip screw (DHS) and cannulated screws (CS) are widely used for femoral neck fractures. However, there is no definite result as to which surgical method bring less complications. We performed this study to compare the complication (mortality, non-union, avascular necrosis (AVN), and revision) of DHS and CS for the treatment of femoral neck fractures patients. Methods We searched Pubmed, Ovid, Cochrane Central Register of Controlled Trials, and other relevant studies related the comparison of DHS versus CS for femoral neck fractures from inception to Jan 7, 2020. The quality of the included randomized controlled trials (RCTs) and retrospective studies were assessed using the Cochrane Collaboration tool and Newcastle-Ottawa (NOS), respectively. The meta-analysis was performed by the RevMan 5.2 software. Results Nine RCTs and seven retrospective cohort studies were included for meta-analysis. CS was found to be superior to DHS with respect to AVN rate (OR 1.47; 95% CI 1.08–1.99; p = 0.01, I 2 = 0%). There were no significant between-group differences with respect to mortality, non-union, and revision (p > 0.05). Conclusion DHS and CS have similar complication including mortality, revision rate, and non-union, but CS has superior to DHS on ANV. However, further studies are required to provide more robust evidence owing to some limitations.
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spelling doaj.art-8894a50c5fa8477da73963b0d9ffd9c12022-12-22T04:09:39ZengBMCJournal of Orthopaedic Surgery and Research1749-799X2020-08-011511910.1186/s13018-020-01842-zDynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysisLang Li0Xue Zhao1Xiaodong Yang2Xueyang Tang3Ming Liu4Department of Pediatric Surgery, West China Hospital, Sichuan UniversityDepartment of Obstetrics and Gynaecology, The First Affiliated Hospital of Chongqing Medical UniversityDepartment of Pediatric Surgery, West China Hospital, Sichuan UniversityDepartment of Pediatric Surgery, West China Hospital, Sichuan UniversityDepartment of Orthopedics, West China Hospital, Sichuan UniversityAbstract Objective Dynamic hip screw (DHS) and cannulated screws (CS) are widely used for femoral neck fractures. However, there is no definite result as to which surgical method bring less complications. We performed this study to compare the complication (mortality, non-union, avascular necrosis (AVN), and revision) of DHS and CS for the treatment of femoral neck fractures patients. Methods We searched Pubmed, Ovid, Cochrane Central Register of Controlled Trials, and other relevant studies related the comparison of DHS versus CS for femoral neck fractures from inception to Jan 7, 2020. The quality of the included randomized controlled trials (RCTs) and retrospective studies were assessed using the Cochrane Collaboration tool and Newcastle-Ottawa (NOS), respectively. The meta-analysis was performed by the RevMan 5.2 software. Results Nine RCTs and seven retrospective cohort studies were included for meta-analysis. CS was found to be superior to DHS with respect to AVN rate (OR 1.47; 95% CI 1.08–1.99; p = 0.01, I 2 = 0%). There were no significant between-group differences with respect to mortality, non-union, and revision (p > 0.05). Conclusion DHS and CS have similar complication including mortality, revision rate, and non-union, but CS has superior to DHS on ANV. However, further studies are required to provide more robust evidence owing to some limitations.http://link.springer.com/article/10.1186/s13018-020-01842-zMeta-analysisDynamic hip screwCannulated screwsFemoral neck fractures
spellingShingle Lang Li
Xue Zhao
Xiaodong Yang
Xueyang Tang
Ming Liu
Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
Journal of Orthopaedic Surgery and Research
Meta-analysis
Dynamic hip screw
Cannulated screws
Femoral neck fractures
title Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
title_full Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
title_fullStr Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
title_full_unstemmed Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
title_short Dynamic hip screws versus cannulated screws for femoral neck fractures: a systematic review and meta-analysis
title_sort dynamic hip screws versus cannulated screws for femoral neck fractures a systematic review and meta analysis
topic Meta-analysis
Dynamic hip screw
Cannulated screws
Femoral neck fractures
url http://link.springer.com/article/10.1186/s13018-020-01842-z
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AT xiaodongyang dynamichipscrewsversuscannulatedscrewsforfemoralneckfracturesasystematicreviewandmetaanalysis
AT xueyangtang dynamichipscrewsversuscannulatedscrewsforfemoralneckfracturesasystematicreviewandmetaanalysis
AT mingliu dynamichipscrewsversuscannulatedscrewsforfemoralneckfracturesasystematicreviewandmetaanalysis