Table 2: Properties, functions and costs of various forms of bone grafts and substitutes.
Osteoconductive | Osteoinductive | Osteogenic | Structural | Costs | Disadvantages | |
---|---|---|---|---|---|---|
Autograft |
|
|
|
|
|
|
Cancellous |
+++ |
+++ |
+++ |
+ |
- |
Donor site morbidity, increased OR time, increased blood loss |
Cortical |
+ |
+ |
+ |
+++ |
- |
as above |
Vascularize bone |
++ |
+ |
++ |
+++ |
- |
as above |
Bone marrow aspirate |
+/- |
++ |
+++ |
- |
- |
as above |
Platelet-rich plasma |
- |
+++ |
- |
- |
-a |
Controversial, unproven efficacy |
Allograft |
|
|
|
|
|
|
Cancellous |
+ |
+/-b |
- |
+ |
$376/30ccc |
Potential infection transmission, no osteogenic potential, potential host rejection |
Cortical |
+ |
+/-d |
- |
+++ |
$530–1,681/3–20 cme |
as above |
DBM |
+ |
++ |
- |
- |
$726–1,225/10 mLf |
No structural properties, potential host rejection |
Synthetic ceramics |
|
|
|
|
|
|
Calcium sulfate |
+ |
- |
- |
++ |
$655/10 mLg |
Rapid resorption (faster than bone growth), osteoconductive properties only |
Calcium phosphate |
+ |
- |
- |
+++ |
$1520/10 mLg |
Osteoconductive properties only |
Tricalcium phosphate |
+ |
- |
- |
++ |
$875/10 mLg |
Osteoconductive properties only |
Other |
|
|
|
|
|
|
rhBMPs | +/-e | + | + | - | $3,500–5,000e | Expensive, limited FDA approval, limited indications, increasing evidence of neurovascular complications when used in the spine |
a Excludes preparation costs; b+, typically with fresh allografts; -, typically with frozen-preserved allografts; cCancellous chips/freeze dried $376/30mL;25d+, typically with fresh allografts; -, typically with frozen-preserved allografts; efor femoral shaft allograft 3-20cm $530–1,681;25fGrafton/Allomatrix;25gPrices are based on the ASP for several market leaders of such pure products: calcium sulfate (Osteoset, Wright), calcium phosphate (CopiOs, Zimmer Spine), β-tricalcium phosphate [Vitoss (standard morsels canisters), Orthovita]; h+ when delivered via collagen-based carriers; iOP-1 (Stryker) $5,000;25 Infuse (Medtronic-Sofamor Danek) $3,500–4,900, small–large