Pain physician
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Perineural (PN) dexamethasone (DEX) administration can prolong the analgesic time of a brachial plexus block. However, its efficacy and safety are controversial due to its off-label use and different routes of administration. ⋯ PN dexamethasone can prolong the duration of analgesia, sensory block, and motor block, when compared with IV dexamethasone. In a subgroup analysis without epinephrine, the 2 routes of administration were equivalent to topical anesthesia. There were no differences in secondary outcomes, except for adverse effects, which could be altered if a sensitivity analysis was conducted. Therefore, despite the advantages of PN dexamethasone, caution is needed due to its off-label character. While the results of this study are promising, additional large and well-designed RCTs are needed to validate these initial findings and their implications.
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Randomized Controlled Trial
A Double-Blind, Placebo-Controlled Study of Ultrasound-Guided Pulsed Radiofrequency Treatment of the Saphenous Nerve for Refractory Osteoarthritis-Associated Knee Pain.
While the efficacy of pulsed radiofrequency (PRF) for shoulder pain has been demonstrated, its efficacy on the saphenous nerves for knee osteoarthritis (OA)-associated pain has only been reported in observational studies. ⋯ Ultrasound-guided saphenous nerve PRF proved to be effective for at least 12 weeks in patients with knee OA and showed no adverse events.
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Peripheral neuropathic pain (PNP) is a complex, subjective experience affecting both physical and psychological aspects of functioning. Assessing patient-reported outcomes (PROs) beyond pain relief is important and aligns with the recommendations of IMMPACT (Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials). Moreover, PRO data are key to clinical decision-making when evaluating treatment options. However, direct comparisons between such options are scarce. High-concentration capsaicin 179 mg (8% w/w) cutaneous patch (HCCP) is applied to the skin at minimum intervals of 90 days under physician supervision; alternative recommended treatments for PNP are mostly orally administered on a daily basis. The ELEVATE study directly compared HCCP with pregabalin and found noninferior efficacy of HCCP to pregabalin in relieving pain after 8 weeks, with a significantly faster onset of action and fewer systemic side effects. ⋯ NCT01713426.
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Intrawound treatments have been reported to have favorable efficacy for preventing surgical site infection (SSI); however, the best strategy remains unknown. ⋯ We found that VA and PI show promising results on reducing SSI. PI is recommended as the most efficacious intrawound treatment to prevent SSI after spine surgery.