Pain physician
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Discogenic, facet joint, and sacroiliac joint mediated axial low back pain may be associated with overlapping pain referral patterns into the lower limb. Differences between pain referral patterns for these three structures have not been systematically investigated. ⋯ The presence or absence of thigh pain possesses a significant correlation on the source of CLBP for varying ages, whereas the presence of hip/girdle pain or leg pain did not significantly discriminate among IDD, FJP, or SIJP as the etiology of CLBP. Younger age was predictive of IDD regardless of the presence or absence of thigh pain.
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Chronic spinal pain is common along with numerous modalities of diagnostic and therapeutic interventions utilized, creating a health care crisis. Facet joint injections and epidural injections are the 2 most commonly utilized interventions in managing chronic spinal pain. While the literature addressing the effectiveness of facet joint nerve blocks is variable and emerging, there is paucity of literature on adverse effects of facet joint nerve blocks. ⋯ This study illustrate that major complications are extremely rare and minor side effects are common.
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Case Reports
Minimally invasive interventional therapy for Tarlov cysts causing symptoms of interstitial cystitis.
Tarlov cysts (TC) are present in 4.6% of the population and represent a potential source of chronic pain. When present at lumbosacral levels, symptoms are classically described as perineal pain/pressure, radiculopathy, and headache. Treatment outlined to date primarily includes cyst drainage with fibrin glue sealant and surgical interventions. ⋯ Use of caudal epidural steroid injections proved beneficial in the treatment of pelvic pain symptomatology and so may be considered as an option in patients with identified sacral TC.
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Two studies, each consisting of large sample sets, were recently published on radiation exposure in percutaneous spinal cord stimulation (SCS) trialing procedures. A more rigorous use of statistical methods in the second study more accurately defined benchmark reference levels. Principally, one physician implanter-considered an advanced interventional pain physician-performed all such procedures to nullify inter-physician variability. However, the literature is sparse in articles comparing exposure levels of radiation in pain procedures conducted by novice and advanced interventionally trained physicians, and inferential statistical analysis is seldom included in radiation exposure studies. ⋯ Radiation exposure levels in SCS trialing procedures remain negligible. While no differences in fluoroscopy times for such procedures were detected based on physician experience, the expert implanter demonstrated the ability to use less fluoroscopy time than that of the benchmark reference level.