Treatment of Fat Embolism Syndrome Following Pelvic or Long-Bone Fracture
Clinical Scenario
Fat embolism syndrome (FES) is a recognised complication of fractures involving the pelvis or long bones, in which fat globules enter the circulation and may cause systemic injury. Management is driven by the timing and method of fracture fixation as well as intraoperative technique decisions that directly influence the risk of embolisation.
The approach in this protocol addresses both prophylactic surgical strategies and adjunctive pharmacological options applicable when signs of fat embolism syndrome are present or anticipated.
Treatment Approach — Overview
Management centres on early fracture stabilisation as the primary prophylactic measure, with specific intraoperative surgical techniques to limit intramedullary pressure — and corticosteroid prophylaxis as an additional option considered in appropriate cases.
Full regimen details, sequencing, and dosing are in the structured protocol below.
References
- Early stabilization of the fracture involving the pelvis or long bones is probably the single most important prophylactic measure that has been shown to result in a decrease in the incidence of FES.
- Early rigid fixation of fractures decreases the recurrent bouts of fat embolism.
- One alternative is to stabilize fractures by external fixation (if possible) initially and then perform the definitive fixation once the clinical situation allows.
- Careful surgical technique that focuses on limiting the medullary canal pressurization associated with reaming is helpful.
- Drilling holes in the cortex to prevent development of high pressures may prevent FES, in some but not all cases.
- Lavaging the marrow before inserting the prosthesis similarly may decrease the amount of marrow available for embolization.
- Venting before the insertion of prosthesis has also been suggested as one strategy to decrease intramedullary pressure and the incidence of FES.
- High-dose methylprednisone (90 mg/kg over 4 days) or a lower dose prophylactically (6 mg/kg over 2 days) has shown some clinical efficacy in improving outcomes.
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