Pain medicine : the official journal of the American Academy of Pain Medicine
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Observational Study
Report from a quality assurance program on patients undergoing the MILD procedure.
To characterize trends in pain and functional outcomes and identify risk factors in patients with lumbar spinal stenosis (LSS) and neurogenic claudication undergoing the "Minimally Invasive Lumbar Decompression" (MILD) procedure. ⋯ Overall, pain is reduced and functional status improved in LSS patients following the MILD procedure at 3 and 6 months. Given the small sample size, it is not yet possible to identify patient subgroups at risk for "no improvement." Continued follow-up of longer-term outcomes appears warranted to develop evidence-based patient selection criteria.
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Opioids are recognized as an integral part of the armamentarium in the management of cancer pain. There has been a growing awareness of the misuse of prescription opioids among cancer patients. More research is needed to detail risk factors and incidence for opioid misuse among cancer pain patients. ⋯ Patients classified by the SOAPP-SF in the current study as high risk tended to be younger, endorse more pain, have higher MEDD requirement, and endorse more symptoms of depression and anxiety. These findings are consistent with the literature on risk factors of opioid abuse in chronic pain patients which suggests that certain patient characteristics such as younger age, anxiety, and depression symptomatology are associated with greater risk for opioid misuse. However, a limitation of the current study is that other measures of opioid abuse were not available for validation and comparison with the SOAPP-SF.
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Injection of opioids to the superior cervical ganglion (SCG) has been reported to provide pain relief in patients suffering from different kinds of neuropathic facial pain conditions, such as trigeminal neuralgia, postherpetic neuralgia, and atypical facial pain. The classic approach to the SCG is a transoral technique using a so-called "stopper" to prevent accidental carotid artery puncture. The main disadvantage of this technique is that the needle tip is positioned distant from the actual target, possibly impeding successful block of the SCG. A further limitation is that injection of local anesthetics due to potential carotid artery puncture is contraindicated. We hypothesized that the SCG can be identified and blocked using ultrasound imaging, potentially increasing precision of this technique. ⋯ The anatomical dissections confirmed that our ultrasound-guided approach to the SCG is accurate. Ultrasound could become an attractive alternative to the "blind" transoral technique of SCG blocks.