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PubMed1980

Varus or valgus?

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Terminology as Topic↗
PubMedDate not supplied

Long-term effects of intertrochanteric varus-derotation osteotomy on femur and acetabulum in spastic cerebral palsy: an 11- to 18-year follow-up study.

An intertrochanteric femoral osteotomy is carried out to correct intoeing gait and to improve hip centration in patients with spastic cerebral palsy. The long-term effect of such osteotomies on the neck-shaft angle (NSA) and anteversion angle (ATA), as well as on hip-joint centration, was evaluated in 63 hips of 45 patients with observation times of 11-18 years (mean, 15.4). The postoperative loss of correction of the NSA and ATA was the more pronounced the younger the patients were at the time of intervention. This was particularly true when the hip joint was subluxated or dislocated and when the operation was done before the age of 4 years. Patients of this age group lost 96% of the correction of the NSA and 42% of the ATA. Hip centration always improved, but corrective femoral osteotomy alone did not result in a sufficient coverage in cases of subluxation and dislocation in the short and long term.

Acetabulum↗
PubMed2006

Overcorrection and generalized joint laxity in surgically treated congenital talipes equino-varus.

Fifty patients with 70 previously operated clubfeet were assessed for overcorrection (using Tachdjian's flat foot grade) and generalized joint laxity. Twenty-eight patients (40 feet) had signs of generalized joint laxity using the Biro score and of these 25 feet were overcorrected. Of the 22 patients (30 feet) who did not have signs of joint laxity, only three overcorrected. This difference was statistically significant (P<0.001). A significant correlation exists between flat foot grade and laxity score (P<0.01). Overcorrection is a complication largely ignored in the published literature but we believe it is a serious complication of open release often resulting in poor long-term function. For those patients requiring surgery, the authors urge caution and recommend a limited surgical release, particularly if joint laxity is suspected, or the Ponseti method of treatment, which will probably avoid this complication.

Adolescent↗