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LONG-TERM SPINAL AND RESPIRATORY FUNCTION IN EARLY ONSET SCOLIOSIS MANAGED WITH SELECTIVE EPIPHYSIODESIS AND POSTERIOR ‘LUQUE TROLLEY’ GROWING INSTRUMENTATION



Abstract

Study Design: Long-term retrospective case review of function in children with early onset scoliosis managed by selective anterior epiphysiodesis and posterior ‘Luque trolley’ growing instrumentation

Method: spinal and clinical function was assessed utilising SRS-22 and SF-36 outcome measures. The rates of secondary surgical procedures and further definitive fusion were recorded. Pulmonary function was assessed by standardised and averaged spirometric data at follow up.

Results: 25 patients have been clinically reviewed and functionally assessed (age range 6–35 years) mean age 17.7 years at follow up. 16 patients have reached skeletal maturity (8males, 8females) with mean follow up 11.8 years, to a mean age of 22.4 years. clinically 80% of cases were well balanced. At maturity the average loss of axial spinal growth measured 10.25cm (arm span- standing height) (range +4 cm to −21cm). In the immature cohort still growing, median shortening was 0.75%, with average height loss 1.63% of predicted. SRS- 22 and SF-36 questionnaires indicated moderate – good functional outcomes in 80% of patients. Spirometric data, with one case incapable of test compliance, demonstrates 24 % of patients had normal spirometric functional parameters, 32% had mild restrictive deficits, 12% had moderate and 28% had severe restrictive deficits. Poor spirometric function did not correlate with poor outcome measures. Over 50% had required further surgery.

Conclusions: Poor functional outcomes occurred in patients requiring early and multiple surgical revision procedures associated with loss of control or fixation of primary and secondary spinal deformities.

Correspondence should be addressed to: Dr Caroline Goldberg, The Research Centre, Our Lady’s Children’s Hospital Crumlin, Dublin 12, Ireland.