Each year in the United States, 6.2 million fractures occur. Of these, 5% to 10% exhibit
delayed healing or nonunion. Autogenous bone graft from the iliac crest or local sources has …

Study Design. A retrospective study of patients who underwent 1–3-level kyphoplasty
procedures at a single institute. Objective. To examine and compare the effects of single and …

Study Design. This is a prospective cohort study examining the results and radiographic
characteristics of anterior lumbar interbody fusion (ALIF) using femoral ring allografts (FRAs) …

For decades lysophosphatidylcholine (LPC, lysolecithin) has been used to induce
demyelination, without a clear understanding of its mechanisms. LPC is an endogenous …

Purpose: To quantify normal, in vivo tibio‐femoral knee joint kinematics in multiple weight
bearing positions using non‐invasive, high‐resolution MRI and discuss the potential of …

The sacroiliac joint (SIJ) as a source of symptoms has been controversial; however, as
knowledge about the joint increased, its role as a pain generator in patients complaining of …

Study Design. A retrospective cohort study. Objective. To compare the incidence of retrograde
ejaculation (RE) after anterior lumbar spine surgery with disc replacement versus fusion …

AIM: To evaluate published data on the predictors of progressive adolescent idiopathic
scoliosis (AIS) in order to evaluate their efficacy and level of evidence. METHODS: Selection …

Study Design. A parametric finite element investigation of the cervical spine. Objective. To
determine what effect, if any, cervical disc replacement has on kinematics, facet contact …

Study Design. Prospective, multicenter, randomized, controlled, investigational device exemption
noninferiority trial. Objective. To determine 2-year outcomes in patients with intermittent …