Articles: back-pain.
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Observational Study
Plasma Rich in Growth Factors (PRGF) in the Treatment of Patients With Chronic Cervical and Lumbar Pain: A Prospective Observational Clinical Study.
Chronic back pain is a long-lasting disorder, whose main source of pain is often the intervertebral disc that undergoes a degenerative process associated with low-grade inflammation, leading to a reduced quality of life. ⋯ This observational, prospective study of patients with chronic back pain showed that 2-3 intradiscal and epidural injections of PRGF significantly decreased pain and disability at one month posttreatment and this improvement was maintained, and in some patients even improved, at 3, and 6 months posttreatment.
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High-quality research on the safety and effectiveness of over-the-counter medications in pregnancy is limited. Physicians should explore nonpharmacologic treatments before recommending medication. For nausea and vomiting in pregnancy, vitamin B6 (pyridoxine), H1 antihistamines, and ginger are safe and effective. ⋯ The safety of acetaminophen for the treatment of headaches and low back pain during pregnancy has come into question with recent studies; therefore, judicious use is advised. Physicians should screen all pregnant patients for their risk of developing preeclampsia and initiate low-dose aspirin from 12 weeks' gestation until delivery for those at increased risk. Data are limited on the safety and effectiveness of herbal supplements during pregnancy.
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While patient reported outcome measures (PROMs) define value in spine surgery, several values such as minimal clinically important difference (MCID), substantial clinical benefit (SCB), and patient acceptable symptom state (PASS) help guide the interpretation of PROMs and identify thresholds of clinical significance. Significant variation exists in reported values and their calculation, so the primary objective of this study was to systematically review the spine surgery literature for metrics of clinical significance derived from PROMs. ⋯ III.
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Spinal cord stimulation (SCS) provides pain relief for most patients with persistent spinal pain syndrome type 2 (PSPS 2). Evidence is mounting on molecular changes induced by SCS as one of the mechanisms to explain pain improvement. We report the SCS effect on serum protein expression in vivo in patients with PSPS 2. ⋯ This study identifies various biological processes that may underlie PSPS 2 pain and SCS therapeutic effects, including the modulation of neuroimmune response and inflammation, synaptic sprouting, vitamin and iron metabolism, and restorative processes.
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Randomized Controlled Trial
Cost-utility Analysis of Evoke closed-loop Spinal Cord Stimulation for Chronic Back and Leg Pain.
The effectiveness of Evoke closed-loop spinal cord stimulation (CL-SCS), a novel modality of neurostimulation, has been demonstrated in a randomized controlled trial (RCT). The objective of this cost-utility analysis was to develop a de novo economic model to estimate the cost-effectiveness of Evoke CL-SCS when compared with open-loop SCS (OL-SCS) for the management of chronic back and leg pain. ⋯ The results indicate a strong economic case for the use of Evoke CL-SCS in the management of chronic back and leg pain with or without prior spinal surgery with dominance observed at ~5 years.