Articles: back-pain.
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The psoas muscle (PS), 1 of the paravertebral core muscles, is associated with sarcopenia. It also has clinical relevance in lateral-access spinal surgery (LASS) as a determinant structure affecting the operative window. We aimed to identify age-related patterns of PS degeneration, and we propose that our results be used to evaluate the operative window in LASS. ⋯ In patients without sagittal imbalance, the PS showed significant imaging characteristics. Our detailed data may aid the identification of degeneration patterns and specific preoperative planning regarding the operative window for LASS.
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Historical Article
Johann Peter Frank (1745-1821) and the Pathogenesis of Back Pain.
: Johann Peter Frank (1745-1821) is generally known as one of the founders of the modern Hygiene and Public Health. It is less known his contribution in investigating the pathogenesis of spinal disorders. In his "De Vertebralis Columnae in Morbis Dignitate" (1791), Frank first proposed to use the Latin term "rhachialgia" (back pain) to indicate all the painful states of spine. ⋯ He also believed that the excess of blood was able to generate a "diffuse inflammation" of vertebral and medullary structures. The innovative concepts developed by Johann Peter Frank demonstrated that he could be worthily considered as a pioneer in the study of spinal disorders. Level of Evidence: 5.
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Multicenter Study
Missed Serious Neurologic Conditions in Emergency Department Patients Discharged With Nonspecific Diagnoses of Headache or Back Pain.
Serious neurologic conditions can be missed on initial emergency department (ED) visit and discharge diagnosis oftentimes remains a nonspecific symptom. We aim to examine the incidence of potential harm from serious neurologic conditions in ED patients discharged with a nonspecific diagnosis of headache or back pain, identify specific missed conditions, and determine risk factors for potential misdiagnosis-related harm. ⋯ A small proportion of ED patients discharged with nonspecific diagnoses of headache or back pain returned with a serious neurologic condition or inhospital death within 30 days.