Articles: function.
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Most cases of complex regional pain syndrome (CRPS) occur after some inciting injury. There are a few cases of CRPS after an operation for disc disease. CRPS from a mild herniated intervertebral disc (HIVD) without surgical intervention is even rarer than CRPS after an operation for disc disease. ⋯ It has a clear causal relationship between HIVD and CRPS and definitively fits in the newly revised IASP criteria. In conclusion, mild HIVD can cause CRPS without any trauma. And percutaneous nucleoplasty can be considered as a treatment option.
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At present, posterior interbody fusion surgery with pedicle internal fixation is the gold standard for the treatment of lumbar degenerative disc diseases. However, an increasing number of studies have shown that because fused lumbar vertebrae lose their physiological activity, the compensatory range of motion (ROM) of the adjacent levels increases. To address this issue, dynamic internal fixation systems have been developed. ⋯ The treatment of lumbar degenerative disc diseases with the Isobar TTL dynamic internal fixation system can effectively relieve pain, improve quality of life, and preserve the lumbar ROM of the stabilized segment with a satisfactory clinical therapeutic effect.
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Acta Anaesthesiol Scand · Jul 2016
CommentRocuronium pharmacokinetics and pharmacodynamics in the adductor pollicis and masseter muscles.
The aim of this study was to characterize the dose-effect relationship of rocuronium at the adductor pollicis and masseter muscles. ⋯ We found that the masseter muscle has faster onset of blockade and similar recovery profile than adductor pollicis muscle. These findings were best, explained by a faster plasma effect-site equilibration of the masseter muscle to rocuronium.
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Observational Study
The Heterogeneity Of Headache Patients Who Self-Medicate: A Cluster Analysis Approach.
Patients with headache often self-treat their condition with over-the-counter analgesics. However, overuse of analgesics can cause medication-overuse headache. The present study aimed to identify subgroups of individuals with headache who self-medicate, as this could be helpful to tailor intervention strategies for prevention of medication-overuse headache. ⋯ Cluster 3 (n = 222, 21.7%) mostly consisted of patients with migraine who also report pain in many other locations. These patients reported a high disability and a severe limitation of activities. They also showed the highest rates of MO (73%).