Journal
ANZ JOURNAL OF SURGERY
Volume 85, Issue 12, Pages 966-971Publisher
WILEY-BLACKWELL
DOI: 10.1111/ans.13197
Keywords
early total care; femur fracture; intramedullary nailing; multiple organ failure; resuscitation
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Background: Reamed intramedullary nailing is the gold standard for management of femur fractures. Nailing within 24 h is proven to reduce complications from ongoing bleeding, soft-tissue damage and pain. However, when combined with haemorrhagic shock, femur fracture and intramedullary nailing are associated with immune-mediated damage to remote organs. We studied whether delaying fracture fixation until resuscitation was succeeding would lead to a significant reduction in remote organ damage. Methods: Twenty male rabbits underwent closed femur fracture, haemorrhagic shock, resuscitation and either immediate nailing (group: ImmFix, n = 9), delayed nailing (group: DelFix, n = 8) or just splinting (group: NoFix, n = 3). Haemorrhagic shock was maintained for 60 min. Resuscitation was with shed blood and Hartmann's solution. Animals were euthanized 8 h after fixation; the lungs and small bowel were scored histologically by two pathologists. Results: Groups did not differ in weight, haemorrhage volume or magnitude of shock. At 8 h, there was no difference in end-organ damage between ImmFix and DelFix groups (11.3 +/- 1.6 and 13.2 +/- 1.6 versus 8.1 +/- 1.3 and 12.9 +/- 1.1, P = 0.26 between groups). However, the NoFix group had significantly greater end-organ damage when compared with the fixation at any time groups (17.3 +/- 2.7 and 17.0 +/- 3.3 versus 9.8 +/- 1.1 and 13.1 +/- 1, P = 0.01 between groups). Conclusion: In this laboratory model, we have demonstrated that timely femur fracture fixation outweighs the potential harmful effects of surgery performed during haemorrhagic shock with simultaneous resuscitation. We have failed to demonstrate a difference between immediate and delayed fixation during resuscitation.
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