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Cubitus varus following paediatric supra-condylar humeral fracture represents a complex three-dimensional malunion. This affects cosmesis, function and subsequent distal humeral fracture risk. Operative correction is however difficult with high complication rates. We present the 40-year Yorkhill experience of managing this deformity.

From a total of 3220 supracondylar humeral fractures, 40 cases of post-traumatic cubitus varus were identified.

There were ten undisplaced fractures, treated in cast, and thirty displaced fractures. Five were treated in cast, thirteen manipulated (MUA), four MUA+k-wires, seven ORIF (six k-wire, one steinman pin) and one in skeletal-traction.

Sixteen malunions were treated operatively. The mean pre-operative varus was 19°. All had cosmetic concerns, three mild pain, one paraesthesia/weakness and three reduced movement (ROM). The operative indication was cosmetic in fifteen and functional in one (concern about instability).

Twelve patients had lateral closing-wedge osteotomies; three complex/3D osteotomies (dome, unspecified rotational, antero-lateral wedge) and two had attempted 8-plate guided-growth correction.

Complications occurred in eight patients (50 %): Fixation was lost in three (two staples, one k-wiring), incomplete correction in six (both 8-plates, both staples, two standard plates) and one early wound infection requiring metalwork removal resulting in deformity recurrence. One patient underwent revision lateral wedge osteotomy with full deformity correction but marked ROM restriction (20–100°) secondary to loose bodies.

Those without complications were satisfied (50 %). All patients with residual deformity were unsatisfied. 1 patient with keloid scarring was unsatisfied despite deformity correction.

Varus malunion is uncommon (1 %) but needs to be guarded against. It tended to occur in displaced fractures treated with MUA and cast alone. We therefore recommend additional pin fixation in all displaced fractures.

Deformity correction should only be attempted in those with significant symptomatic deformity due to the high complication/dissatisfaction rates. Staple osteotomy fixation and 8-plate guided growth correction are not recommended.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XI | Pages 2 - 2
1 Apr 2012
Spencer S Wilson N
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Discitis in childhood is rare. It can be difficult to diagnose, particularly in the younger child, often leading to a delay in initiation of appropriate treatment. It is not known whether it represents an infective or an inflammatory process.

Our aim was to review all cases treated at a regional children's hospital since the introduction of the departmental database. A retrospective review (64,058 cases), for the period 1990-2008 was performed. 12 cases were identified (3 male/9 female), with a biphasic age distribution; eight [mean 22 months old (12-32)] and four [mean 12 years old (11-13)]. Mean time to diagnosis from onset was 22 days, (5-49). Symptoms varied with age, no one less than 28 months complained of back pain, while all over 28 months did, to a varying degree. All the younger children presented primarily with a gait abnormality. 92% (11/12) were apyrexial on admission. WBC and CRP were normal in 83% (10/12). Venous blood cultures were negative in 89% (8/9). Only ESR was mildly raised, mean 30 (10-65). Radiographs showed loss of intervertebral disc height in 91% (10/11), earliest by 10 days following onset symptoms, mean 28 days. A technetium bone scan was performed in 42% (5/12) and an MRI of the lumbar spine, in 58% (7/12). All were positive for discitis. All occurred in the lumbar spine, 50% at L3/4. Antibiotics were used in 11/12 (92%), flucloxacillin alone in the majority 9/11. One had non-steroidal medication alone. No form of brace was used. Mean follow-up was 13.3 months (2-36). In all, symptoms had resolved by mean 6.5 weeks (2-12). No recurrence was noted.

The common features of childhood discitis are presented; knowledge of these may aid the physician to come to a more rapid diagnosis of this uncommon paediatric condition.