Pain physician
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Meta Analysis Comparative Study
Comparative efficacy and safety of six antidepressants and anticonvulsants in painful diabetic neuropathy: a network meta-analysis.
Anticonvulsants and antidepressants are mostly used in management of painful diabetic neuropathy (PDN). However there are few direct comparisons between drugs of these classes, making evidence-based decision-making in the treatment of painful diabetic neuropathy difficult. ⋯ Gabapentin was found to be most efficacious and amitriptyline to be least safe among the treatments included in the study. Gabapentin showed most favorable balance between efficacy and safety.
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Multicenter Study Observational Study
Long-term consequences of acute pain for patients under methadone or buprenorphine maintenance treatment.
Acute and chronic pains are reported to be highly prevalent in patients under opioid maintenance treatment (OMT). Lack of knowledge concerning the complex relationship between pain, opioid use, and their impact on OMT efficacy can account for the barriers encountered for pain management. ⋯ This study demonstrates the strong negative impact of acute pain on OMT in a population mainly composed of patients under buprenorphine, as well as differential response depending on the OMT medication. The findings highlight the need to consider the characteristics of pain in the population under OMT and to develop evidence-based guidelines for pain management.
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Spinal cord stimulation (SCS) is an established treatment option for chronic pain. Prior to permanent implantation, temporary trials are performed to evaluate the SCS treatment. During the trial period, it is common for the patients to experience changes in paresthesias. However, it is unclear what the role of lead migration is, if any, in the changes in paresthesia. ⋯ This case series demonstrates continued support for the role of the width of the cerebral spinal fluid space as the significant factor on paresthesia changes in SCS with respect to postural changes, even during the trial period.
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Pudendal nerve entrapment (PNE) is an uncommon cause of chronic pain. Pudendal nerve entrapment typically occurs when the pudendal nerve is fused to nearby anatomical structures or trapped between the sacrotuberous and sacrospinalis ligaments. Pudendal nerve entrapment can be caused by excessive bicycling, pregnancy, anatomic abnormalities, scarring due to surgery, or as a sequela of radiation therapy. ⋯ He was ultimately diagnosed as having a right sided pudendal entrapment neuropathy. His pain was refractory to all conventional treatment modalities; therefore we decided to pursue neuromodulation via a dorsal column spinal cord stimulator implant. Below, we describe the decision making process for the diagnosis and treatment of his pudendal neuropathy.
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Given that there are gender differences in pain perception, it is likely that there are differences in pain responses between men and women with lumbar spinal stenosis (LSS). Furthermore, these differences may lead to different degrees of impairment in both daily activities and quality of life between men and women. ⋯ Women showed increased low back pain and leg pain due to degenerative LSS compared to men. The current study demonstrates that this difference in symptom severity may be partly mediated by pain sensitivity.