MGⅠ과 MG Ⅱ 슬관절전치환술에서 슬개삽입물의 안정성 비교

• Published in: Knee surgery & related research 1994-12, Vol.6 (2), p.152
• Main Authors: 김정만, 선두훈, 송영오, Jung Man Kim, Doo Hoon Sun, Young Oh Song
• Format: Article
• Language: Korean
• Subjects: MG; MG Ⅱ TKR; Patellofemoral Joint; Stability
• ISSN: 2234-0726

Authors compared the patellafemoral complications in MiUer-Ga1ate l aod Miller-Galante II to know the cause and method of teatment of it. During the time between 1986 and 1988 we performed 68 knees of MG I. Since 1991 we perfarmad 98 knees of MG II. We performed lateral retinacular release in only 5 out of 68 MG I knees(7.4%) and in 86 out of 98 MG II knees(87,8'Fo). In MG I symptomatic lateral subluxation of the patella occurred in 3 cases(4.4%) and asymptomatic lateral subluxation occurred in 15 knees(12.5%), Mild initial lateral tilting of the patella occurred in 3G knees(44.1%). So altogethet 48 knees out of 68 MG I(70,6%) knees showed some abnormality in patellofemoral articulations. There was no patellofemoral joint abnormality in case of latcral retinacu.lar release. In MG II no case showed patellofemoral articulation abnormality in X-ray. The indiication of ihe lateral retinacular release in MG I was decided with "no thumbs technique(static). However, since many cases showed lateral patellar subiuxation during initial 20-60 degree flexion although this phenomcnon disappe in more thao 90 deyee flexion lateral retinacular release was performed even in those cases in MG JI(dynamic). The main cause of patellofemoral subluxaxion seerned to be shallow groove, thicker anterior flange of the component than removed bone. From these results it would be suggested that the thickness of the anterior flange should be decreased, the patellofemoral groove should be deepened and the indieation of the iateral retinacular release should be made in dynamic condition intraoperatively.