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. 2009 Oct 13:17:55.
doi: 10.1186/1757-7241-17-55.

Risk of symptomatic heterotopic ossification following plate osteosynthesis in multiple trauma patients: an analysis in a level-1 trauma centre

Christian Zeckey  1 , Frank Hildebrand, Philipp Mommsen, Julia Schumann, Michael Frink, Hans-Christoph Pape, Christian Krettek, Christian Probst
Affiliations

Risk of symptomatic heterotopic ossification following plate osteosynthesis in multiple trauma patients: an analysis in a level-1 trauma centre

Christian Zeckey et al. Scand J Trauma Resusc Emerg Med. .

Abstract

Background: Symptomatic heterotopic ossification (HO) in multiple trauma patients may lead to follow up surgery, furthermore the long-term outcome can be restricted. Knowledge of the effect of surgical treatment on formation of symptomatic heterotopic ossification in polytrauma is sparse. Therefore, we test the effects of surgical treatment (plate osteosynthesis or intramedullary nailing) on the formation of heterotopic ossification in the multiple trauma patient.

Methods: We retrospectively analysed prospectively documented data of blunt multiple trauma patients with long bone fractures which were treated at our level-1 trauma centre between 1997 and 2005. Patients were distributed to 2 groups: Patients treated by intramedullary nails (group IMN) or plate osteosynthesis (group PLATE) were compared. The expression and extension of symptomatic heterotopic ossifications on 3-6 months follow-up x-rays in antero-posterior (ap) and lateral views were classified radiologically and the maximum expansion was measured in millimeter (mm). Additionally, ventilation time, prophylactic medication like indomethacine and incidence and correlation of head injuries were analysed.

Results: 101 patients were included in our study, 79 men and 22 women. The fractures were treated by intramedullary nails (group IMN n = 50) or plate osteosynthesis (group PLATE n = 51). Significantly higher radiologic ossification classes were detected in group PLATE (2.9 +/- 1.3) as compared to IMN (2.2 +/- 1.1; p = 0.013). HO size in mm ap and lateral showed a tendency towards larger HOs in the PLATE group. Additionally PLATE group showed a higher rate of articular fractures (63% vs. 28% in IMN) while IMN demonstrated a higher rate of diaphyseal fractures (72% vs. 37% in PLATE; p = 0.003). Ventilation time, indomethacine and incidence of head injuries showed no significant difference between groups.

Conclusion: Fracture care with plate osteosynthesis in polytrauma patients is associated with larger formations of symptomatic heterotopic ossifications (HO) while intramedullary nailing was associated with a higher rate of remote HO. For future fracture care of multiply injured patients these facts may be considered by the responsible surgeon.

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Figures

Figure 1
Figure 1
Heterotopic ossification following plate osteosynthesis of a distal humerus fracture.
Figure 2
Figure 2
Heterotopic ossification remote to the fracture site at the contralateral femur.
Figure 3
Figure 3
Percentage of patients with respective radiologic classes. PLATE patients showing significantly more Brooker values of 3 and 4.
Figure 4
Figure 4
Percentages of remote and local HO. Significantly more remote HO in the IMN group compared to the PLATE group.
See this image and copyright information in PMC

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