Articles: neuralgia.
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Amitriptyline, duloxetine, and pregabalin are among the most pharmacotherapeutic, effective treatments for neuropathic pain control. However, the evaluation of synergism by combining these treatments is still poorly investigated. ⋯ The data demonstrated that combined therapy of pregabalin plus amitriptyline improved the bioavailability of pregabalin and potentiated the efficacy of the antiallodynic effect of pregabalin alone, proving to be advantageous for the treatment of sciatic neuropathic pain.
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Case Reports
Cognitive-Evaluative Dimension of Pain in Neuropathic Pain Relapse in Sciatica: A Case Report.
The cognitive-evaluative (C-E) dimension of pain is commonly observed in patients with a relatively long duration of pain. However, little is known about the effects of pain relapse on the C-E dimension of pain. Moreover, the improvement process of the C-E dimension of pain following treatment is unknown. ⋯ The C-E dimension of pain was observed with pain relapse even though it was in the acute phase of pain. This case provides a novel insight into the C-E dimension of pain. Moreover, the delay in improving the C-E dimension of pain indicates a difference in the improvement process for each pain dimension.
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Comparative Study Observational Study
Classification of circadian pain rhythms and pain characteristics in chronic pain patients: An observational study.
This study aimed to perform cluster analysis in patients with chronic pain to extract groups with similar circadian rhythms and compare neuropathic pain and psychological factors among these groups to identify differences in pain-related outcomes. A total of 63 community-dwellers with pain lasting at least 3 months and Numerical Rating Scale scores of ≥2 were recruited from 3 medical institutions. Their pain circadian rhythms were evaluated over 7 days by measuring pain intensity at 6-time points per day using a 10-cm visual analog scale. ⋯ The results revealed 3 clusters with different circadian rhythms of pain. The total and evoked pain subscale Neuropathic Pain Symptom Inventory scores differed among the 3 clusters. The results suggest that a thorough understanding of circadian pain rhythms in chronic pain patients may facilitate the performance of activities of daily living and physical exercise from the perspective of pain management.
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Angiomyomatous hamartomas are mixed-tissue benign lymphatic tumors that typically occur in the inguinal or axillary lymph nodes. These lesions may cause local lymphedema and painful compression neuralgias. ⋯ Previously, our group published a case report of a patient with an inguinal angiomyomatous hamartoma causing a compression neuralgia, whose pain was temporarily alleviated after blockade of the femoral branch of the genitofemoral nerve. We present a follow-up case report describing this patient's sustained pain relief after cryoablation therapy.
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Postherpetic neuralgia (PHN) is common in elderly patients and can be alleviated by pulsed radiofrequency (PRF). However, PRF treatments display different efficacy on different nerves. The purpose of this study was to evaluate the efficacy and safety of ultrasound-guided PRF modulation on thoracic dorsal root ganglion (DRG) or intercostal nerve (ICN) for PHN in aged patients and to provide a theoretical basis for clinical treatment. ⋯ PRF therapy is safe and effective for elderly patients with postherpetic neuralgia. However, PRF treatment in dorsal root ganglion is superior to that in intercostal nerve with improving VAS and SF-36 scores to a greater extent in older patients.