The full, active ROM allowed by lumbar braces evaluated was greater than employed during ADLs in absence of any brace. The motion decrease beyond actual restriction of the braces suggests they will act primarily as proprioceptive guides to regulate movement.
This study provides further evidence that the quantity of autograft may influence the process of spinal fusion such that the arthrodesis rate was significantly lower when less bone was implanted. Neither of the ceramic composite scaffolds seemed to enhance the fusion response compared to an equivalent amount of autograft alone, suggesting that these substances may need to be combined with other osteogenic materials to optimize bone production.
Introduction:Several studies have evaluated the efficacy of home use of chlorhexidine before surgery to reduce bacterial colonization. However, these studies have provided conflicting evidence about the potential efficacy of this strategy in decreasing bacterial loads and infection rates across surgical populations, and no prior study has analyzed the benefit of this intervention before spine surgery. We prospectively analyzed the effectiveness of chlorhexidine gluconate wipes for decreasing bacterial counts on the posterior neck.Methods:Sixteen healthy adults participated in this prospective study. The right side of each participant’s neck was wiped twice (the night before and the morning of the experiment) with chlorhexidine gluconate wipes. The left side was used as the control region. Bacterial swabs were obtained as a baseline upon enrollment in the study, then upon arrival at the hospital, and, finally, after both sides of the neck had received standard preoperative scrubbing.Results:All patients had positive baseline bacterial growth (median >1,000 colonies/mL). When chlorhexidine gluconate wipes were used, decreased bacterial counts were noted before the preoperative scrub, but this finding was not statistically significant (P = 0.059). All patients had zero bacteria identified on either side of their neck after completion of the preoperative scrub.Conclusion:At-home use of chlorhexidine gluconate wipes did not decrease the topical bacterial burden. Therefore, using chlorhexidine gluconate wipes at home before surgery may offer no added benefit.
This study clearly demonstrated a discrepancy between what societies intend to identify with disclosure policies and what the orthopaedist interprets is intended. Almost half of those completing the survey did not correctly understand the intention of three or more of the policies, even with expected study intent bias. This study showed that the language used in disclosure policy statements and the lack of a uniform policy may be a cause of substantial discrepancies in potential conflict-of-interest disclosure.
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