Abstract
Objectives:
To report occurrence and identify patient’s features and risk factors of heterotopic ossifications in patients with severe acquired brain injury in intensive rehabilitation centres.
Design:
Multicentre cross-sectional survey.
Setting:
A total of 48 severe acquired brain injury rehabilitation institutes.
Participants:
Traumatic and non-traumatic severe brain-injured patients (
Main Outcome Measure:
Occurrence of heterotopic ossifications diagnosed by standard radiological and/or sonographic evaluation on the basis of clinical suspicion.
Results:
Heterotopic ossification occurred around one or more joints in 94/689 patients (13.6%) with a significantly higher prevalence in young males. Occurrence did not significantly differ in relation to aetiology (16.3% traumatic, 19.2% anoxic, 11.7% vascular and 11.5% other). Prevalence was significantly higher in patients with diffuse (23.3%) rather than focal brain lesions (12.4%) or unspecified lesions (11.2%; chi-square = 7.81, df = 2,
Conclusion:
Occurrence of heterotopic ossifications is frequent in patients with severe traumatic and non-traumatic brain-injury in rehabilitation centres. Our study confirms male gender, young age, paroxysmal sympathetic hyperactivity, spasticity, longer duration of coma and ventilation and longer interval between brain injury onset and admission to rehabilitation centre as possible risk factors. Further studies are necessary to investigate the role of early appropriate rehabilitation pathways to reduce occurrence of heterotopic ossifications.
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