Spine
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Comparative Study
Implant Sonication versus Tissue Culture for the Diagnosis of Spinal Implant Infection.
MINI: We compared the sensitivity and specificity of peri-implant tissue culture to the vortexing-sonication technique for the diagnosis of spinal implant infection (SII). Lower thresholds of sonicate fluid culture positivity showed increased sensitivity with maintained specificity. We recommend a threshold of 20 CFU/10 mL for sonicate culture positivity for the diagnosis of SII.
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MINI: We identified differentially expressed genes (DEGs) that may be involved in the development of neurofibromatosis type I by whole-transcriptional sequencing. Seven hundred eighty DEGs were identified which include protein coding genes, miRNAs, and lncRNAs. The enrichment analysis may reveal pathways that these DEGs involved. A total of 383 protein-pairs for DEGs may unfold the possible mechanism how the disease is developed.
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MINI: In controls, adjacent-level range of motion (ROM) did not change relative to noninstrumented spine at each moment. In severe violation, flexion-extension and rotation ROM of adjacent vertebrae decreased at each moment (7.5, 6.0, 4.5 Nm); lateral bending ROM decreased at 4.5 Nm. Significant differences in movements were found except lateral bending (7.5 Nm).
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MINI: This study compared clinical and patient-reported outcomes following transforaminal lumbar interbody fusion between patients who use or do not use marijuana. We found that patients who use marijuana are younger, but do not demonstrate any differences in preoperative or postoperative Oswestry disability index scores or rates of fusion.
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Retrospective cohort. ⋯ 3.