Positive effect of the combination of multilevel contracture release and glucocorticoid treatment in Duchenne muscular dystrophy

Abstract

Purpose: In the 1980s the first results of an early multilevel contracture release (MLCR) in patients suffering from progressive Duchenne muscular dystrophy (DMD) showed a positive effect on ambulation. Despite the demonstrated positive effects of prolongation of walking this treatment is not part of current guidelines. The aim of our study was to evaluate the effect of MLCR as well as its combination with glucocorticoid (GC) treatment on ambulation.

Methods: Data of all boys (n = 86) with DMD treated in our outpatient department were analyzed regarding the treatment and loss of independent ambulation. In all, 23 were treated with GC only, ten were operated on, 21 received GC and underwent MLCR and 32 received neither of the two treatments.

Results: The analysis of the loss of independent ambulation in our cohort showed a comparable extension of the ambulatory period between the GC-treated and MLCR-treated boys (p = 0.008 and p = 0.005, respectively). Furthermore, an additive effect of both therapies was found; patients with DMD who had both treatments were able to walk two years longer than those with only one of the two treatment options (p<0.001).

Conclusion: Standard GC treatment and early MLCR in lower limbs have an independent positive effect on prolongation of ambulation in patients with DMD. In our cohort, the combination of both therapies is significantly more effective than each therapy alone. We suggest both should be offered to all DMD patients eligible.

Level of evidence: III.