posteRIoR peRCutAneous tRAnspeDICulAR luMbAR DynAMIC stAbIlIzAtIon
نویسنده
چکیده
Low back pain is described as a deep pain surrounding the waist in a “belt style,” frequently seen in the midline, but which may spread to the hips and upper thighs. In recent years, degenerative disc disease has been observed as the most important result of low back pain. Tearing of the disc capsule, including nerve root irritation from the chemical substances that are expelled (chemical nociception) are major issues. This includes mechanical nociception, tearing of the facet joint capsule and the interspinous or supraspinous ligaments, as well as segmental instability, reflecting the most important aspects of the disease (1,2). Pathology occurring in the degenerated dynamic segment creates pain, although suppressing motion of the segment relieves related pain. Given these variables, surgical fusion has become the “gold standard” in disc degeneration and segmental instability. Later clinical trials showed that fusion surgeries failed to satisfy (mean ODI: 18,3) the expected outcome and caused a considerable number of complications. From a radiological perspective, fusion rates often increased to 95%, although clinical results were not that successful (approximately 70%). This indicated that solid bone fusion was not correlated with clinical success. However, in dynamic stabilization, relief of pain in the stabilized segment is aimed at limiting motion.
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تاریخ انتشار 2013