The Clinical journal of pain
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this study aimed to correlate magnetic resonance (MR) findings and discography with pain response at provocative discography in patients with low back pain. ⋯ disc degeneration grades on MR imaging showedan association with discographic grades. Type IV-V discs on discography, Grade IV-V disc on MR images, the presence of HIZ,and endplate abnormalities might indicate discogenic pain inpatients with chronic low back pain.
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Review Meta Analysis
The association between chronic low back pain and sleep: a systematic review.
chronic low back pain (CLBP) adversely affects many quality of life components, and is reported to impair sleep. The aim of this review was to determine the association between CLBP and sleep. ⋯ many dimensions of sleep are adversely associated with CLBP. Management strategies for CLBP need to address these to maximize quality of life in this patient cohort.
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Multicenter Study
Clinical Investigation of Pain-related Fear and Pain Catastrophizing for Patients With Low Back Pain.
to investigate select psychometric properties of fear-avoidance model measures commonly used to assess pain-related fear and catastrophizing in clinical studies of low back pain. ⋯ these analyses suggest clinical assessment of the Fear-Avoidance Model of Musculoskeletal Pain likely captures 3 factors including PCS, beliefs about work, and beliefs about physical activity. The FABQ-PA and PCS can be recommended for clinical use because of their unique associations with pain intensity and disability. The FABQ-W may only be appropriate for those interested in assessing work specific beliefs.
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the underlying cause of pathophysiological mechanisms triggering multiple chemical sensitivity (MCS) remains disputed.Recently, alterations in the central nervous system, for example,central sensitization, similar to various chronic pain disorders, have been suggested. Capsaicin is used in experimental pain models to provoke peripheral and central sensitization. In patients with symptoms elicited by odorous chemicals capsaicin-induced secondary hyperalgesia and temporal summation were assessed as markers for abnormal central nociceptive processing together with neurogenic inflammation (flare). ⋯ this is the first study to show facilitated pain processing in MCS and EC patients with the most abnormal responses in MCS.
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the objective of this case is to report an occurrence of a skin rash in a dermatomal distribution subsequent to a lumbar transforaminal epidural steroid injection. ⋯ this is the first described case of a focal dermatomal rash occurring following lumbar transforaminal epidural steroid injection and we wish to remind pain practitioner’s of the possibility of anaphylactic events.