Three-dimensional morphometric differences of resected distal femurs and proximal tibias in osteoarthritic and normal knees

Background There is a paucity of data concerning the morphological differences of resected distal femurs and proximal tibias in osteoarthritic (OA) and normal knees. The objective of this study was to determine whether morphometric differences in the surfaces of resected distal femurs and proximal t...

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Published in:BMC musculoskeletal disorders 2021-12, Vol.22 (1), p.1-1013, Article 1013
Main Authors: Dong, Xiang-hui, Huang, Xiang-hui, Chen, Ming, Chang, Yan-Hai, Ling, Ming, Yang, Bo
Format: Article
Language:English
Subjects:
Arthritis
Computed tomography
Diagnosis
Femur
Knee
Medical examination
Medical research
Medicine, Experimental
Morphological variation
Morphology
Morphometry
Normal knee
Osteoarthritis
Physiological aspects
Prostheses
Software
Statistical analysis
Tibia
Total knee arthroplasty
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creator Dong, Xiang-hui
Huang, Xiang-hui
Chen, Ming
Chang, Yan-Hai
Ling, Ming
Yang, Bo
description Background There is a paucity of data concerning the morphological differences of resected distal femurs and proximal tibias in osteoarthritic (OA) and normal knees. The objective of this study was to determine whether morphometric differences in the surfaces of resected distal femurs and proximal tibias exist between OA and normal knees in a Chinese population. Methods Ninety-four OA knees and ninety-five normal knees were evaluated in Chinese individuals. Computed tomography was used to measure the femoral mediolateral (fML), medial anteroposterior (fMAP), lateral anteroposterior (fLAP), medial condylar width (fMCW), lateral condylar width (fLCW), medial posterior condylar curvature radii (fMCR), lateral posterior condyle curvature radii (fLCR), fML/fMAP aspect ratio, tibial mediolateral (tML), middle anteroposterior (tAP), medial anteroposterior (tMAP), and lateral anteroposterior (tLAP) tML/tMAP aspect ratio to determine the morphologic differences between OA and normal knees. Results The average fMCW and tMAP dimensions of OA knees were larger than those of normal knees in both male and female (p
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The objective of this study was to determine whether morphometric differences in the surfaces of resected distal femurs and proximal tibias exist between OA and normal knees in a Chinese population. Methods Ninety-four OA knees and ninety-five normal knees were evaluated in Chinese individuals. Computed tomography was used to measure the femoral mediolateral (fML), medial anteroposterior (fMAP), lateral anteroposterior (fLAP), medial condylar width (fMCW), lateral condylar width (fLCW), medial posterior condylar curvature radii (fMCR), lateral posterior condyle curvature radii (fLCR), fML/fMAP aspect ratio, tibial mediolateral (tML), middle anteroposterior (tAP), medial anteroposterior (tMAP), and lateral anteroposterior (tLAP) tML/tMAP aspect ratio to determine the morphologic differences between OA and normal knees. Results The average fMCW and tMAP dimensions of OA knees were larger than those of normal knees in both male and female (p &lt;0.05). The fMAP/fML aspect ratio and tMAP/tML aspect ratio were also significantly different in both sexs (p &lt;0.05). OA knees have an oval-shaped distal femur with a wider ML length and more spherical-shaped proximal tibiae with relatively narrow ML dimensions. Conclusions The study revealed the morphological differences in fMCW, tMAP, fMAP/fML and tMAP/tML between OA and normal knees in both males and females. These findings may provide guidelines that can be used to design better knee implants that are more size-matched for OA knees. Keywords: Computed tomography, Osteoarthritis, Normal knee, Total knee arthroplasty, Morphometry</description><identifier>ISSN: 1471-2474</identifier><identifier>EISSN: 1471-2474</identifier><identifier>DOI: 10.1186/s12891-021-04889-z</identifier><identifier>PMID: 34863133</identifier><language>eng</language><publisher>London: BioMed Central Ltd</publisher><subject>Arthritis ; Computed tomography ; Diagnosis ; Femur ; Knee ; Medical examination ; Medical research ; Medicine, Experimental ; Morphological variation ; Morphology ; Morphometry ; Normal knee ; Osteoarthritis ; Physiological aspects ; Prostheses ; Software ; Statistical analysis ; Tibia ; Total knee arthroplasty</subject><ispartof>BMC musculoskeletal disorders, 2021-12, Vol.22 (1), p.1-1013, Article 1013</ispartof><rights>COPYRIGHT 2021 BioMed Central Ltd.</rights><rights>2021. This work is licensed under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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The objective of this study was to determine whether morphometric differences in the surfaces of resected distal femurs and proximal tibias exist between OA and normal knees in a Chinese population. Methods Ninety-four OA knees and ninety-five normal knees were evaluated in Chinese individuals. Computed tomography was used to measure the femoral mediolateral (fML), medial anteroposterior (fMAP), lateral anteroposterior (fLAP), medial condylar width (fMCW), lateral condylar width (fLCW), medial posterior condylar curvature radii (fMCR), lateral posterior condyle curvature radii (fLCR), fML/fMAP aspect ratio, tibial mediolateral (tML), middle anteroposterior (tAP), medial anteroposterior (tMAP), and lateral anteroposterior (tLAP) tML/tMAP aspect ratio to determine the morphologic differences between OA and normal knees. Results The average fMCW and tMAP dimensions of OA knees were larger than those of normal knees in both male and female (p &lt;0.05). The fMAP/fML aspect ratio and tMAP/tML aspect ratio were also significantly different in both sexs (p &lt;0.05). OA knees have an oval-shaped distal femur with a wider ML length and more spherical-shaped proximal tibiae with relatively narrow ML dimensions. Conclusions The study revealed the morphological differences in fMCW, tMAP, fMAP/fML and tMAP/tML between OA and normal knees in both males and females. These findings may provide guidelines that can be used to design better knee implants that are more size-matched for OA knees. 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Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>PML(ProQuest Medical Library)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>ProQuest - Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>BMC musculoskeletal disorders</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dong, Xiang-hui</au><au>Huang, Xiang-hui</au><au>Chen, Ming</au><au>Chang, Yan-Hai</au><au>Ling, Ming</au><au>Yang, Bo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three-dimensional morphometric differences of resected distal femurs and proximal tibias in osteoarthritic and normal knees</atitle><jtitle>BMC musculoskeletal disorders</jtitle><date>2021-12-04</date><risdate>2021</risdate><volume>22</volume><issue>1</issue><spage>1</spage><epage>1013</epage><pages>1-1013</pages><artnum>1013</artnum><issn>1471-2474</issn><eissn>1471-2474</eissn><abstract>Background There is a paucity of data concerning the morphological differences of resected distal femurs and proximal tibias in osteoarthritic (OA) and normal knees. The objective of this study was to determine whether morphometric differences in the surfaces of resected distal femurs and proximal tibias exist between OA and normal knees in a Chinese population. Methods Ninety-four OA knees and ninety-five normal knees were evaluated in Chinese individuals. Computed tomography was used to measure the femoral mediolateral (fML), medial anteroposterior (fMAP), lateral anteroposterior (fLAP), medial condylar width (fMCW), lateral condylar width (fLCW), medial posterior condylar curvature radii (fMCR), lateral posterior condyle curvature radii (fLCR), fML/fMAP aspect ratio, tibial mediolateral (tML), middle anteroposterior (tAP), medial anteroposterior (tMAP), and lateral anteroposterior (tLAP) tML/tMAP aspect ratio to determine the morphologic differences between OA and normal knees. Results The average fMCW and tMAP dimensions of OA knees were larger than those of normal knees in both male and female (p &lt;0.05). The fMAP/fML aspect ratio and tMAP/tML aspect ratio were also significantly different in both sexs (p &lt;0.05). OA knees have an oval-shaped distal femur with a wider ML length and more spherical-shaped proximal tibiae with relatively narrow ML dimensions. Conclusions The study revealed the morphological differences in fMCW, tMAP, fMAP/fML and tMAP/tML between OA and normal knees in both males and females. These findings may provide guidelines that can be used to design better knee implants that are more size-matched for OA knees. Keywords: Computed tomography, Osteoarthritis, Normal knee, Total knee arthroplasty, Morphometry</abstract><cop>London</cop><pub>BioMed Central Ltd</pub><pmid>34863133</pmid><doi>10.1186/s12891-021-04889-z</doi><oa>free_for_read</oa></addata></record>
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subjects Arthritis
Computed tomography
Diagnosis
Femur
Knee
Medical examination
Medical research
Medicine, Experimental
Morphological variation
Morphology
Morphometry
Normal knee
Osteoarthritis
Physiological aspects
Prostheses
Software
Statistical analysis
Tibia
Total knee arthroplasty
title Three-dimensional morphometric differences of resected distal femurs and proximal tibias in osteoarthritic and normal knees
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