Are lumbar interlaminar epidural injections superior to caudal epidural injections in managing lumbar central spinal stenosis?
The data was derived from 2 previously published randomized, controlled trials rather than comparing 2 techniques in one randomized controlled trial. Further, the randomized controlled trials were active control trials without a placebo.
In the first week after arterial injury, increased collagen content is associated with increased collagen synthesis and degradation. However, after 1 week, collagen turnover remains high in contrast to increased collagen fiber content. This suggests that after 1 week, collagen turnover is used for other processes like cell migration and arterial remodeling.