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DON’T GUESS.
SEE.
Etude flessum
Problématique:
Corrélation entre tous les
paramètres
Confidential
-
2011
DON’T GUESS.
SEE.
Etude flessum
• 39 patients anonymisés
• 3 patients dont la radio ne permet pas le
calcul du flessum
• Valeurs préopératoires et postopératoires
des paramètres suivants:
• Calcul des écarts préopératoires et post
opératoires
Lordose
lombaire
Cyphose
thoracique
Incidence
pelvienne
Pente
sacrée
Version
pelvienn
e
Equilibre
frontal
(cm)
Equilibre
sagittal
(cm)
Flessum
genou
Pente
sacrée
théorique
(Legaye
2005)
Lordose
théorique
(Legaye
2005)
Lordose
théorique
(Schwab
2009)
Manque de
lordose (lordose
theorique Legaye
2005)
Manque de lordose
(lordose théorique
Schwab 2009)
Confidential
-
2011
DON’T GUESS.
SEE.
Etude flessum
• Calcul des corrélations entre paramètres en
préopératoire et postopératoire
• Test de Student pour déterminer si les écarts
préopératoires et postopératoires sont
significatifs
test de Student
Lordose
lombaire
Cyphose
thoracique
Incidence
pelvienne Pente sacrée Version pelvienne
Equilibre frontal
(cm)
Equilibre sagittal
(cm) Flessum genou
Moyenne Pré-Op
22,2 30,8 57,5 25,6 33,1 3,1 11,3 14,0
Moyenne Post-Op
57,8 46,6 54,0 36,7 19,1 1,7 1,9 5,7
Résultat du test p<0,01 p<0,01 p<0,01 p<0,01 p<0,01 p<0,01 p<0,01 p<0,01
L’incidence ne
devrait pas être
modifiée
(paramètre
morphologique)
Confidential
-
2011
DON’T GUESS.
SEE.
Etude flessum
Principaux résultats
• Corrélation significative si p-value est petite
EXCEL
DON’T GUESS.
SEE.
Etude Spondylo
Problématique:
Corrélation entre tous les
paramètres
Confidential
-
2011
DON’T GUESS.
SEE.
Etude spondylo
• 13 patients spondylo, 1 homme,12 femmes
• Moyenne d’âge: 22 ans
• Ecart type: 12,35
• 27 patients normaux (sans scoliose, radio
sans signe pathologique), 2hommes et 25
femmes
• Moyenne d’âge: 22 ans
• Ecart type: 10,39
• Calcul des paramètres suivants:
• Calcul de la version pelvienne préop/postop
Distance
inter-EIAS
Distance
inter-EIPS
Distance
inter-EIAI
Distance
inter-EIPI
Angle iliaque
supérieur
Angle iliaque
inférieur
Angle
iliaque
moyen
Confidential
-
2011
DON’T GUESS.
SEE.
Etude spondylo
Confidential
-
2011
DON’T GUESS.
SEE.
Etude spondylo
résultats
Moyenne
(distance
inter-EIAS)
Spondylo
Moyenne
(distance
inter-EIAS)
Normaux
Confidential
-
2011
DON’T GUESS.
SEE.
Etude spondylo
résultats
Version
pelvienne
Spondylo
Version
pelvienne
Normaux
>>
Confidential
-
2011
DON’T GUESS.
SEE.
Etude flessum
Principaux résultats
 Bassin en arrière…impression
d’élargissement?
EXCEL
www.eos-imaging.com
EOS imaging SA. | 10 rue Mercœur | 75011 Paris – France | +33 (0) 1 55 25 60 60
EOS imaging Inc. | 185 Alewife Brook Parkway #410 | Cambridge, MA 02138 USA | 678.564.5400

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EOS Etude flessum.pptx