The Clinical journal of pain
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Randomized Controlled Trial
Perioperative Transcutaneous Electrical Acupoint Stimulation for Postoperative Pain Relief Following Laparoscopic Surgery: A Randomized Controlled Trial.
This trial was conducted to assess the influence of transcutaneous electrical acupoint stimulation (TEAS) on postoperative pain intensity and the optimal time of TEAS application during perioperative period in patients undergoing laparoscopic surgery. ⋯ Combination of preoperative TEAS with intraoperative or postoperative TEAS, rather than preoperative TEAS alone, is an effective and safe adjunctive for management of postoperative pain following laparoscopic surgery.
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Literature is limited on the relationship between opiate analgesics and the development of infections in cancer patients. This study aimed to determine whether opiate analgesics contribute to the advancement of infections and how infection rates differ among the various opiates used for cancer management. ⋯ Our clinical results did not display any difference among the single-opiate groups in the development of infections. However, the increase in daily OME may serve as a risk factor for the development of infections in advanced cancer patients using one opiate type for pain management.
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We recently proposed a Behavioral Inhibition System-Behavioral Activation System (BIS-BAS) model to help explain the effects of pain treatments. In this model, treatments are hypothesized to operate primarily through their effects on the domains within 2 distinct neurophysiological systems that underlie approach (BAS) and avoidance (BIS) behaviors. Measures of the model's domains are needed to evaluate and modify the model. ⋯ The study yielded 3 brief scales assessing NRP, which may be used to further evaluate the BIS-BAS model and to advance research elucidating the mechanisms of psychosocial pain treatments. The findings also provide general support for the BIS-BAS model, while also suggesting that some minor modifications in the model are warranted.
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Randomized Controlled Trial
Safety and Efficacy of a Topical Sodium Channel Inhibitor (TV-45070) in Patients With Postherpetic Neuralgia (PHN): A Randomized, Controlled, Proof-of-Concept, Crossover Study, With a Subgroup Analysis of the Nav1.7 R1150W Genotype.
The objective was to evaluate the safety and efficacy of TV-45070 ointment, as a treatment for postherpetic neuralgia, and to explore the response in patients with the Nav1.7 R1150W gain-of-function polymorphism. ⋯ The 50% responder analysis suggests a subpopulation may exist with a more marked analgesic response to TV-45070.The trend toward a larger proportion of responders within Nav1.7 R1150W carriers warrants further investigation.