Accuracy of Patient-Specific Instrumentation Compared With Conventional Instrumentation in Total Knee Arthroplasty

doi:10.3928/01477447-20150402-59

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	Accuracy of Patient-Specific Instrumentation Compared With Conventional Instrumentation in Total Knee Arthroplasty
	Jiang, J; Kang, X; Lin, Q; Teng, YJ; An, LP; Ma, JL; Wang, J; Xia, YY; Xia, YY (reprint author), Lanzhou Univ, Hosp 2, Orthopaed Key Lab Gansu Prov, Dept Orthopaed, 82 Cuiyingmen, Lanzhou 730030, Gansu, Peoples R China.
刊名	ORTHOPEDICS
	2015-04
卷号	38 期号:4 页码:E305-E313
ISSN号	0147-7447
DOI	10.3928/01477447-20150402-59
文献子类	Article
英文摘要	Patient-specific instrumentation (PSI) has recently been introduced to improve the alignment following total knee arthroplasty (TKA). However, controversy remains between PSI and conventional instrumentation. The aim of this study is to compare the accuracy of PSI with conventional instruments for total knee arthroplasty (TKA). A systematic literature search was performed in databases including PubMed, the Cochrane Library, EMBASE, and Web of Science. All of the available randomized, controlled trials (RCTs) or non-randomized, controlled trials (nRCTs) comparing PSI with conventional instruments for TKA were identified. A statistical analysis was performed of this meta-analysis. Eighteen studies with 2417 patients were included in the authors' final analysis. The results of the meta-analysis demonstrated that there were no statistical differences in outliers of the mechanical axis (risk ratio [RR], 0.84; 95% confidence interval [CI], 0.61-1.11), the femoral component in the coronal (RR, 0.56; 95% CI, 0.32-1.05) and sagittal (RR, 0.83; 95% CI, 0.60-1.14) plane, the tibial component in the coronal (RR, 0.84; 95% CI, 0.52-1.35) and sagittal (RR, 1.04; 95% CI, 0.69-1.55) plane, and the femoral component rotation (RR, 1.02; 95% CI, 0.57, 1.83) between the 2 groups. In addition, subgroup analysis showed that the study design and imaging used for preoperative scanning did not affect the outcome of the alignment, but a different PSI system might. The authors' meta-analysis indicated that the accuracy of PSI was not superior to conventional instruments for patients undergoing TKA. Future RCTs should focus on functional outcomes and component survivorship with mid-to long-term follow-up.
学科主题	Orthopedics
出版地	THOROFARE
资助项目	国家自然科学基金项目 ; 甘肃省卫生厅资助项目
项目编号	Gansu Health Industry Plan [GSWST2011-07] ; National Natural Science Foundation of China [81450042] ; Lanzhou University Second Hospital-Chinese Medicine Project [YJzy2013-22]
语种	英语
WOS记录号	WOS:000353347700010
资助机构	NSFC ; LZU ; GSPHD
内容类型	期刊论文
源URL	[http://ir.lzu.edu.cn/handle/262010/179349]
专题	第二临床医学院_期刊论文
通讯作者	Xia, YY (reprint author), Lanzhou Univ, Hosp 2, Orthopaed Key Lab Gansu Prov, Dept Orthopaed, 82 Cuiyingmen, Lanzhou 730030, Gansu, Peoples R China.
推荐引用方式 GB/T 7714	Jiang, J,Kang, X,Lin, Q,et al. Accuracy of Patient-Specific Instrumentation Compared With Conventional Instrumentation in Total Knee Arthroplasty[J]. ORTHOPEDICS,2015,38(4):E305-E313.
APA	Jiang, J.,Kang, X.,Lin, Q.,Teng, YJ.,An, LP.,...&Xia, YY .(2015).Accuracy of Patient-Specific Instrumentation Compared With Conventional Instrumentation in Total Knee Arthroplasty.ORTHOPEDICS,38(4),E305-E313.
MLA	Jiang, J,et al."Accuracy of Patient-Specific Instrumentation Compared With Conventional Instrumentation in Total Knee Arthroplasty".ORTHOPEDICS 38.4(2015):E305-E313.