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Heterotopic ossification of the hip after spinal cord injury
1Department of Orthopaedics, Changzheng Hospital, Shanghai 200003, China.
Objective:
To analyse the risk factors of heterotopic ossification after spinal cord injury.
Methods:
Of 104 patients with spinal cord injury, 47 (45.2%) were complicated by heterotopic ossification of the hip. These patients with heterotopic ossification were compared with 57 patients without heterotopic ossification.
Results:
Statistical analysis showed that complete paraplegia, spasticity and pressure sore were significantly (P < 0.05) or highly significantly (P < 0.01) related to heterotopic ossification formation. The coexistence of two or three of these factors in the paraplegic patients was found to significantly (P < 0.01) enhance the risk of heterotopic ossification formation.
Conclusion:
When the spinal cord injured patients have single or multiple risk factors, they should be predicted for susceptibility of heterotopic ossification.