Regional anesthesia and pain medicine
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Reg Anesth Pain Med · Jan 2025
Deciphering risk factors for severe postherpetic neuralgia in patients with herpes zoster: an interpretable machine learning approach.
Postherpetic neuralgia (PHN) is a common complication of herpes zoster (HZ). This study aimed to use a large real-world electronic medical records database to determine the optimal machine learning model for predicting the progression to severe PHN and to identify the associated risk factors. ⋯ Leveraging machine learning analysis, this study identifies an optimal model for predicting severe PHN and highlights key associated risk factors. This model will enable the establishment of more proactive treatments for high-risk patients, potentially mitigating the progression to severe PHN.
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Reg Anesth Pain Med · Jan 2025
Evaluating factors impacting National Institutes of Health funding in pain medicine.
While many medical specialties have established links between bibliometric indices, academic rank, leadership roles, and National Institutes of Health (NIH) funding, there exists a gap within the field of pain medicine. The purpose of our study is to examine the impact of research productivity (h-index, m-index, publications, citations), professional degrees (PhD, MPH, MBA), leadership positions (program director, division chief, chairman), and faculty demographics (gender, nationality of training) on attaining NIH grant funding among pain medicine faculty. ⋯ We have identified many factors associated with NIH funding status and failed to find significant gender disparities in NIH funding. These findings allow for chronic pain programs to have another set of tools to attract, promote, and retain faculty.
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Reg Anesth Pain Med · Jan 2025
Randomized Controlled TrialPercutaneous auricular neuromodulation (nerve stimulation) for the treatment of pain following total knee arthroplasty: a randomized, double-masked, sham-controlled pilot study.
Percutaneous auricular nerve stimulation (neuromodulation) is an analgesic technique involving the percutaneous implantation of multiple leads at various points on/around the ear followed by the delivery of electric current using an external pulse generator. A device is currently available within the USA cleared to treat symptoms from opioid withdrawal, and multiple reports suggest a possible postoperative analgesic effect. The current randomized, controlled pilot study was undertaken to (1) determine the feasibility and optimize the protocol for a subsequent definitive clinical trial and (2) estimate the treatment effect of auricular neuromodulation on postoperative pain and opioid consumption following total knee arthroplasty. ⋯ Percutaneous auricular neuromodulation reduced pain scores and opioid requirements during the initial week after total knee arthroplasty. Given the ease of application as well as the lack of systemic side effects and reported complications, a definitive clinical trial appears warranted.
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Reg Anesth Pain Med · Jan 2025
Crystallization of mixtures of local anesthetics with and without select adjuvants: a semiquantitative light microscopy analysis.
Injecting mixtures of local anesthetics with or without adjuvants is a common practise in regional and particularly obstetric anesthesia to decrease block onset time and/or augment epidural analgesia for cesarean section. While evidence on the efficacy of this practise is equivocal, little is known about its safety in terms of the pharmacologic compatibility of local anesthetics. ⋯ The preparation of local anesthetic (±adjuvant) mixtures leads to high grades of crystallization, which increase over 60 min and appear independent of solution pH. The risk of mixing medications with unknown physical or chemical compatibility profiles in regional anesthesia should be critically appraised and its clinical significance elucidated in future translational research.