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The aim of this study was to determine whether instrumented anterior lumbar interbody Fusion with a new nanocrystalline hydroxyapatite embedded in a silica gel matrix (NH-SiO2) was associated with superior radiological and clinical outcomes at 12 months follow-up compared with instrumented ALIF with homologous bone
This randomized clinical trial included two groups of 20 mature patients with mono- or multisegmental degenerative disease of the lumbar spine who were suitable to undergo mono- or bisegmental ALIF fusion at the level L4/L5 and L5/S1 with a carbon fiber reinforced polymer ALIF cage filled with either NH-SiO2 or homologous bone (HB). Patients were followed 12 months postoperatively. The primary aim was to compare postoperative disability as measured by the Oswestry Disability Index (ODI). Secondary aims were to compare postoperative radiographic outcomes and differences in pain and quality of life between these groups.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| NanoBone | Experimental | The participants were treated with anterior lumbar interbody fusion (ALIF) with a new nanocrystalline hydroxyapatite embedded in a silica gel matrix (NH-SiO2) |
|
| Homologous bone | Active Comparator | The participants were treated with anterior lumbar interbody fusion (ALIF) with homologous bone |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| NanoBone | Device | Cage was filled with nanocrystalline hydroxyapatite embedded in a silica gel matrix |
|
| Measure | Description | Time Frame |
|---|---|---|
| Oswestry Disability Index (ODI) | Postoperative disability as measured by the Oswestry Disability Index (ODI) | 12 months after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Fusion rate | Postoperative radiographic Fusion rate | 12 months after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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Randomized clinical trial
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| Homologous Bone | Device | Cage was filled with homologous bone |
|