习惯性髌骨脱位ppt课件
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
– Patella alta – Gen. lig. Laxity – Apprehension test +ve
Investigation:
• X-ray
– Dislocation – High-riding patella – Other anatomical abnormality
• MRI • CT-SCAN
– – – – – Pain Swelling Unable to straighten the knee Medial condyle(Femur) more prominent Tenderness (antero-medially)
Treatmຫໍສະໝຸດ Baidunt:
• Reduction- Under Gen. anesthesia • Immobilisation: cylinder cast—3 weeks
Recurrent D/L
• Etiology:
– Congenital
• • • • • • Lig. Laxity hypoplasia of lat. Femoral condyle Flattening of Intercondylar groove Patellar maldevelopment Primary muscle defect Genu valgum
Habitual D/l
• Everytime knee is flexed, It dislocates laterally • Present in early childhood
Thank You
C/F
• • • • More common in girls Often B/L Acute pain with knee stuck in flexion In dislocated state:
– Visually obvious – Tenderness – Swelling
• Between attack
习惯性髌骨脱位
Types
• Acute • Recurrent • Habitual
1. Acute
• Result 4m sudden contraction of quadriceps while the knee is flexed or semi-flexed. • Dislocates laterally • C/F:
– Acquired
• • • • • Genu valgum Inequality of growth of condyle Weakness of Quads Contracture fibrosis
Pathology
First episode Tear of capsule on medial side of patella If improper healing Persistent laxity Recurrent d/l Damage to contiguous surface of patella & fem. Condyles Flattening & then further d/l
Treatment
• Conservative
– Quads exercise – NSAIDS
• Operative
– Camphell Op. – Goldwait op. – Hauser’s op. – Patellectomy – Muscle release with V-Y Z-plasty
Investigation:
• X-ray
– Dislocation – High-riding patella – Other anatomical abnormality
• MRI • CT-SCAN
– – – – – Pain Swelling Unable to straighten the knee Medial condyle(Femur) more prominent Tenderness (antero-medially)
Treatmຫໍສະໝຸດ Baidunt:
• Reduction- Under Gen. anesthesia • Immobilisation: cylinder cast—3 weeks
Recurrent D/L
• Etiology:
– Congenital
• • • • • • Lig. Laxity hypoplasia of lat. Femoral condyle Flattening of Intercondylar groove Patellar maldevelopment Primary muscle defect Genu valgum
Habitual D/l
• Everytime knee is flexed, It dislocates laterally • Present in early childhood
Thank You
C/F
• • • • More common in girls Often B/L Acute pain with knee stuck in flexion In dislocated state:
– Visually obvious – Tenderness – Swelling
• Between attack
习惯性髌骨脱位
Types
• Acute • Recurrent • Habitual
1. Acute
• Result 4m sudden contraction of quadriceps while the knee is flexed or semi-flexed. • Dislocates laterally • C/F:
– Acquired
• • • • • Genu valgum Inequality of growth of condyle Weakness of Quads Contracture fibrosis
Pathology
First episode Tear of capsule on medial side of patella If improper healing Persistent laxity Recurrent d/l Damage to contiguous surface of patella & fem. Condyles Flattening & then further d/l
Treatment
• Conservative
– Quads exercise – NSAIDS
• Operative
– Camphell Op. – Goldwait op. – Hauser’s op. – Patellectomy – Muscle release with V-Y Z-plasty