OTA 2019: No difference in outcomes between AIBG and cement in tibial plateau fracture bone defects .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2025;13(3):39Bone graft substitutes are generally required in tibial plateau fractures. Previous studies have established calcium phosphate as superior to autogenous iliac crest bone graft (AIBG), at least in terms of subsidence. The authors in this study randomized 137 patients with AO 41-B2 and 41-B3 fractures to receiver either AIBG or a hydroxyapatite/calcium sulfate cement. Outcomes measured were the SF-12 physical and mental component scores (PCS & MCS), pain on visual analogue scale, and subsidence on radiography, all measured at 26 weeks post-operatively. The calcium bone substitute was non-inferior in terms of SF12 PCS, MCS, subsidence, and pain score. There was significantly less blood loss in the calcium bone substitute group, and a trend towards shorter duration of surgery.
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¿Por qué se necesitaba ahora este estudio?
Previous evidence has suggested that the use of calcium phosphate is superior to autologous iliac crest bone grafting in terms of subsidence for use in tibial plateau fractures. This study aims to re-examine this question based on currently available technology.
¿Cuál era la pregunta principal de la investigación?
In patients with tibial plateau fractures who require bone substitute, how does an autologous iliac bone graft (AIBG) compare to a biphasic hydroxyapatite/calcium sulfate cement in terms of pain, function, blood loss, operative time, and subsidence?
- The biphasic hydroxyapatite/calcium sulfate cement group had significantly less estimated blood loss
- There was a trend towards shorter operative time (non-significant) in the hydroxyapatite/calcium sulfate cement group
- There was no significant difference between the two groups in terms of subsidence, pain, or SF-12 scores
¿Qué es lo que más debo recordar?
The calcium bone substitute was non-inferior in terms of SF12 PCS, MCS, subsidence, and pain score. There was significantly less blood loss in the calcium bone substitute group, and a trend towards shorter duration of surgery.
¿Cómo afectará esto al cuidado de mis pacientes?
This trial suggests counter to previous evidence that AIBG may actually be similar to calcium bone substitute in terms of subsidence, though it may result in longer operative times and potentially greater blood loss.
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