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1 The patellofemoral joint is best seen in the axial plane.
2 To measure the tensile strength of the medial patellofemoral ligament(MPFL), and to evaluate the biomechanics of different fixation methods of the hamstring tendon graft on the patella.
3 For a congruent patellofemoral articulation, the patella must track centrally in the trochlear groove.
4 This result also showed patients with patellofemoral pain syndrome may have problems like poor flexibility, insufficient muscle strength,[www.Sentencedict.com] and proprioception deficit at the same time.
5 Occasionally, lateral radiographs may demonstrate patellofemoral osteophytes and joint space narrowing.
6 This article introduce, the CT measurements of patellofemoral malalignment in curent status and value in the clinic.
7 Patellofemoral problems related to soft-tissue imbalance, implant malposition , and extensor mechanism malalignment generally become clinically evident within months of surgery.
8 Factors that cause patellofemoral pain include: over use, soft tissue imbalance, and malalignment of lower extremity.
9 We present two patients with patellofemoral pain syndrome.
10 Patellofemoral pain, crepitus[sentencedict.com], and locking are infrequent symptoms after total knee arthroplasty (TKA).
11 Small osteophytes are seen in relation to the patellofemoral articulation more pronounced of the right.
12 Patellofemoral complications are the most common complications after total knee arthroplasty.
13 Patellofemoral arthroplasty can be an effective intermediate treatment for the patient with isolated arthritis of the anterior compartment of the knee.
14 Treatment of patellofemoral osteoarthritis in young patients is a challenge for orthopaedic surgeons.
15 Several surgical procedures have been used to treat the severely degenerated patellofemoral joint, with varying degrees of success.
16 However, anteromedialization of the tibial tubercle should be performed before or simultaneously with patellofemoral arthroplasty when the Q angle is excessive.
17 A history of recurrent patellar dislocations suggests the presence of patellofemoral malalignment, which may need to be corrected before patellofemoral arthroplasty.
18 No long-term data are available assessing the influence of anterior realignment procedures on the outcome of patellofemoral arthroplasty.
19 Objective To study the rotation of femoral component and tibial component with CT and evaluate the relationship between patellofemoral complications and rotational alignment of the components.
20 Patella tracking and the Q angle are assessed first because these immediately affect both the decision to proceed with patellofemoral arthroplasty and the ultimate outcome.
21 Arthroscopic assessment can be helpful, but there are no data to indicate whether it is necessary before patellofemoral arthroplasty.
22 The surgeon should not expect that the rotational alignment or geometric constraint of the trochlear component will ensure patellar component engagement in the presence of patellofemoral malalignment.
23 Conclusion It is in accordance with biomechanics to treat medial knee degenerative arthritis and patellofemoral arthritis due to tibial rotation, which has satisfactory long term result.
24 Objective:To understand the contribution of the 4 muscles of the quadriceps femoris, and to provide a theoretical basis for clinical treatment of instability of the patellofemoral joint.
25 Axial radiographs can demonstrate the presence of trochlear dysplasia, patellar tilt or subluxation, and the extent of patellofemoral arthritis.
26 A positive family history is a risk factor for recurrence and for contralateral patellofemoral instability.
27 Objective To study the effects of arthroscopic realignment surgery for patellofemoral chondromalacia by bilateral retinaculum releasing and traditional Chinese medicine washout.
28 To observe the clinical effect of vastus medialis oblique muscle strength training combined with the Sansesan on the athlete with excess lateral pressure syndrome of patellofemoral joint.
29 The rate of complications was higher in osteochondritis dissecans (6.8%), patellofemoral disorders (4.1%) and synovitis (5.3%) than in other types.
30 Methods The treatment which included joint clearance and lateral retinacular release of knee osteoarthritis with malalignment in patellofemoral joint was evaluated in 34 patients.
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