Articles: low-back-pain.
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A longitudinal panel study. ⋯ Previous LBP was associated with LBP 5 years later among survivors of the GEJE. Furthermore, the effect on subsequent LBP was stronger with a higher frequency of previous LBP episodes.Level of Evidence: 3.
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Bmc Musculoskel Dis · May 2021
Temporal summation of mechanical pain prospectively predicts movement-evoked pain severity in adults with chronic low back pain.
Biopsychosocial factors above and beyond pathoanatomical changes likely contribute to the severity of chronic low back pain. A pro-nociceptive endogenous pain modulatory balance (↓inhibition and ↑facilitation) may be an important contributor to chronic low back pain severity and physical function; however, additional research is needed to address this possibility. The objective of this study was to determine whether quantitative sensory tests of endogenous pain inhibition and facilitation prospectively predict movement-evoked pain and cLBP severity self-reported on a validated questionnaire. ⋯ Findings suggest that a pro-nociceptive pain modulatory balance characterized by enhanced pain facilitation may be an important driver of movement-evoked pain severity and poor physical function in individuals with chronic low back pain.
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Exercise therapy is recommended for low back pain (LBP) although the immediate effects on pain are highly variable. In 96 individuals with LBP this cross-sectional study explored (a) the magnitude of exercise-induced hypoalgesia (EIH) and (b) measures of pain sensitivity and clinical pain manifestations in individuals reporting a clinical relevant increase in back pain during physical activity compared with individuals reporting low or no increase in back pain during physical activity. ⋯ Pain flares in response to physical activity in individuals with LBP seem to be linked with baseline pain sensitivity and pain intensity, and impair the beneficial exercise-induced hypoalgesia. Such information may better inform when individuals with LBP will have a beneficial effect of physical activity.
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Case Reports
Acute renal failure with severe loin pain and patchy renal ischemia after anaerobic exercise.
Acute renal failure with severe loin pain and patchy renal ischemia after anaerobic exercise (ALPE) is gradually gaining recognition. In this case series, we describe the presentation of ALPE in the emergency department setting and its clinical course. In Case 1, an 18-year-old man presented with acute-onset nausea, vomiting, and right flank pain after playing basketball, with a creatinine level of 6.42 mg/dL on initial presentation. ⋯ In both cases, severe loin pain began after anaerobic exercise, and acute kidney injury without myoglobinuria was observed. The findings of our case series suggest that emergency physicians should consider ALPE in the differential diagnosis of abdominal and loin pain accompanied by an elevated creatinine level in young patients because it can be treated conservatively and has a good prognosis. Moreover, watchful waiting is recommended for ALPE while also emphasizing the need to exclude potentially life threatening or treatable kidney diseases.