Comparison of the Pull-Out Strength between a Novel Micro-Dynamic Pedicle Screw and a Traditional Pedicle Screw in Lumbar Spine.

Lei QianWeidong ChenPeng LiDongbin QuWenjie LiangMinghui ZhengLei Qian

Published in: Orthopaedic surgery (2020)

The novel micro-dynamic pedicle screw provides stronger fixation stability in high-cyclic fatigue loading and non-osteoporotic patients versus the traditional pedicle screw, but similar resistance in low-cycle fatigue testing and osteoporotic group vs the traditional pedicle screw.

Keyphrases

end stage renal disease
ejection fraction
newly diagnosed
chronic kidney disease
bone mineral density
sleep quality
postmenopausal women
patient reported