BioMed Research International / 2016 / Article / Tab 1

Research Article

Biomechanical Comparison of Pedicle Screw Augmented with Different Volumes of Polymethylmethacrylate in Osteoporotic and Severely Osteoporotic Synthetic Bone Blocks in Primary Implantation: An Experimental Study

Table 1

The volume of injected PMMA reported in references.

ReferencesType of studyThe volume of injected PMMAThe increment of pedicle screw stability

Fransen [6]Clinical study in patients with osteoporosis and severe osteoporosis (T12-L1, L3–L5)1.5 mL

Frankel et al. [7]Study in vitro in osteoporotic thoracic and lumbar vertebrae (T5-L5)2.0~8.0 mLThe first surgery 119%
The revision surgery 162%

Becker et al. [8]Study in vitro in osteoporotic lumbar vertebrae (L1–L4)2.0 mL79%

Chang et al. [9]Clinical study in patients with osteopenia, osteoporosis, and severe osteoporosis (T2-S1)3.0 mL (lumbar vertebrae) and 2–2.5 mL (thoracic vertebrae and S1)

Moon et al. [10]Clinical study in patients with osteoporosis and severe osteoporosis (T2-S1)1.7~2.0 mL

Waits et al. [11]Study in vitro in osteopenia lumbar vertebrae2.5 mL

Blattert et al. [12]Study in vitro in osteoporotic thoracic and lumbar vertebrae (T9-L4)1.5 mL

Chen et al. [13]Study in vitro in severe osteoporotic synthetic bone block3 mL

Bullmann et al. [14]Study in vitro in osteoporotic thoracic and lumbar vertebrae (T7-L3)0.8–2.0 mL28.7%

Paré et al. [15]Study in vitro in osteoporotic thoracic and lumbar vertebrae (T7-L5)Thoracic vertebrae (0.5 mL, 1.0 mL, and 1.5 mL) and lumbar vertebrae (1.5 mL, 2.0 mL, and 2.5 mL)Thoracic vertebrae, 186% (1.0 mL) and 158% (1.5 mL), and lumbar vertebrae, 264% (1.5 mL), 221% (2.0 mL), amd 198% (2.5 mL)

Chen et al. [16]Study in vitro in severe osteoporotic synthetic bone block3 mL1031%, 817.1%, 902.4%, and 609.5%

Liu et al. [17]Study in vitro in osteoporotic synthetic bone block2.5 mL448%

Chen et al. [18]Study in vitro in severe osteoporotic synthetic bone block1 mL, 2 mL, and 3 mL259% (1.0 mL), 508% (2.0 mL), and 715% (3.0 mL)