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Statements

Subject Item
n2:RIV%2F00216208%3A11110%2F14%3A10283608%21RIV15-MSM-11110___
rdf:type
skos:Concept n13:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1007/s00167-014-3186-z
dcterms:description
The objective of this study was to provide a morphologic description of the distal femur and to determine whether there are any gender differences in the shape that might have an important consequence for the design of a femoral component of a total knee prosthesis. Anthropometric data on the distal femur of 200 normal knees were obtained using two-dimensional MRI measurements. In all 18 parameters of the distal femur were measured including the anteroposterior (AP) dimension of femoral condyles, the mediolateral (ML) width of the distal femur at four levels, and the AP dimension and ML width of the trochlea. The aspect ratios between the AP and ML dimensions were calculated to determine whether there is a shape difference between genders. The female distal femur is significantly smaller in all measured parameters. The mean AP/ML aspect ratio of the female distal femur is significantly larger (p < 0.05) at all measured ML levels except that of the anterior edge of the anterior chamfer. The AP dimensions of both the medial and lateral trochlea were significantly greater in men (p < 0.001), but AP/ML aspect ratio did not differ between genders. We have found that although the female distal femur is relatively narrower (larger AP/ML aspect ratio) than the male in three of the four measured levels, there is no significant difference between genders at the level of the anterior edge of the anterior chamfer. It is at this level that it has been suggested that impingement between soft tissues and an overhanging prosthesis is most likely to be painful. Equally, there were no gender-related differences in the shape of the trochlea. These data therefore do not support the provision of narrow femoral components for TKA for women. The objective of this study was to provide a morphologic description of the distal femur and to determine whether there are any gender differences in the shape that might have an important consequence for the design of a femoral component of a total knee prosthesis. Anthropometric data on the distal femur of 200 normal knees were obtained using two-dimensional MRI measurements. In all 18 parameters of the distal femur were measured including the anteroposterior (AP) dimension of femoral condyles, the mediolateral (ML) width of the distal femur at four levels, and the AP dimension and ML width of the trochlea. The aspect ratios between the AP and ML dimensions were calculated to determine whether there is a shape difference between genders. The female distal femur is significantly smaller in all measured parameters. The mean AP/ML aspect ratio of the female distal femur is significantly larger (p < 0.05) at all measured ML levels except that of the anterior edge of the anterior chamfer. The AP dimensions of both the medial and lateral trochlea were significantly greater in men (p < 0.001), but AP/ML aspect ratio did not differ between genders. We have found that although the female distal femur is relatively narrower (larger AP/ML aspect ratio) than the male in three of the four measured levels, there is no significant difference between genders at the level of the anterior edge of the anterior chamfer. It is at this level that it has been suggested that impingement between soft tissues and an overhanging prosthesis is most likely to be painful. Equally, there were no gender-related differences in the shape of the trochlea. These data therefore do not support the provision of narrow femoral components for TKA for women.
dcterms:title
Gender differences in the morphology of the trochlea and the distal femur Gender differences in the morphology of the trochlea and the distal femur
skos:prefLabel
Gender differences in the morphology of the trochlea and the distal femur Gender differences in the morphology of the trochlea and the distal femur
skos:notation
RIV/00216208:11110/14:10283608!RIV15-MSM-11110___
n3:aktivita
n14:I
n3:aktivity
I
n3:cisloPeriodika
10
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n5:1165593 n5:3120244 n5:6559611
n3:druhVysledku
n17:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
17982
n3:idVysledku
RIV/00216208:11110/14:10283608
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Total knee arthroplasty; Aspect ratio; Gender specific; Gender; Morphometry; Femur
n3:klicoveSlovo
n6:Morphometry n6:Total%20knee%20arthroplasty n6:Gender%20specific n6:Aspect%20ratio n6:Femur n6:Gender
n3:kodStatuVydavatele
DE - Spolková republika Německo
n3:kontrolniKodProRIV
[147A4EE28C10]
n3:nazevZdroje
Knee Surgery, Sports Traumatology, Arthroscopy
n3:obor
n11:FI
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n9:2014
n3:svazekPeriodika
22
n3:tvurceVysledku
Pinskerová, Věra Landor, Ivan Němec, Karel
n3:wos
000342468800012
s:issn
0942-2056
s:numberOfPages
8
n19:doi
10.1007/s00167-014-3186-z
n18:organizacniJednotka
11110