Articles: back-pain.
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We assessed whether race or ethnicity was associated with the incidence of high-impact chronic low back pain (cLBP) among adults consulting a primary care provider for acute low back pain (aLBP). ⋯ NCT02647658.
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Physiological or pathology-mediated changes in neuronal activity trigger structural plasticity of the action potential generation site-the axon initial segment (AIS). These changes affect intrinsic neuronal excitability, thus tuning neuronal and overall network output. Using behavioral, immunohistochemical, electrophysiological, and computational approaches, we characterized inflammation-related AIS plasticity in rat's superficial (lamina II) spinal cord dorsal horn (SDH) neurons and established how AIS plasticity regulates the activity of SDH neurons, thus contributing to pain hypersensitivity. ⋯ We show that AIS shift back close to the soma, and SDH inhibitory neurons' excitability increases to baseline levels following recovery from inflammatory hyperalgesia. The computational model of SDH inhibitory neurons predicts that the distal shift of AIS is sufficient to decrease the intrinsic excitability of these neurons. Our results provide evidence of inflammatory pain-mediated AIS plasticity in the central nervous system, which differentially affects the excitability of inhibitory SDH neurons and contributes to inflammatory hyperalgesia.
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Few studies have established the minimum clinically important difference (MCID) in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) for physical function and pain. ⋯ Patients undergoing MIS-TLIF had a wide range of MCID values. The receiver operating characteristic curve was selected as the most clinically appropriate method. The corresponding MCID values were 4.2 for PROMIS-PF, 6.8 for SF-12 PCS, 1.8 for VAS back, and 2.4 for VAS leg.
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Second opinion (SO) on spine surgery was recently implemented as a statutory right in Germany. Prior to this, one health insurer did offer SO to its policy holders including advice on additional conservative treatment options. ⋯ Most patients undergoing spine surgery make their decision based on the information that they are provided without requesting a SO. As in comparative studies, most patients with a confirmed surgical indication underwent surgery, while some did not. Some patients underwent surgery inspite of recommendations against-after considering conservative therapy recommendations by the IMA. In retrospect, sound advice and an intensive conservative therapy offer seem necessary and reasonable.
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Reg Anesth Pain Med · Jun 2023
Daring discourse: economics of neuromodulation for the treatment of persistent spinal pain syndrome and complex regional pain syndrome.
The treatment options for patients with chronic pain conditions are impacted by recent research, patient needs, and insurance coverage. Although various factors affect the cost of healthcare, the economic burden on the patient and the healthcare system must be considered when choosing the appropriate treatments for each patient. This Daring Discourse aims to review and further clarify existing economic evaluations and thus examine cost-effectiveness with regards to neuromodulation for the treatment of persistent spinal pain syndrome and complex regional pain syndrome. Specific consideration is given to spinal cord stimulation, as it is a widely studied and implemented neuromodulation modality for the treatment of these debilitating conditions.