Pain physician
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Review Case Reports
Cooled sacroiliac radiofrequency denervation for the treatment of pain secondary to tumor infiltration: a case-based focused literature review.
The sacroiliac (SI) joint is a common cause of low back pain, for which radiofrequency (RF) denervation has been shown to provide long-term relief. However, controversy exists surrounding the innervation, which treatment paradigm to utilize, and how best to select patients who might benefit. ⋯ This is the first report of cooled SI joint RF ablation to treat cancer pain. Our patient's positive response to the procedure suggests the possibility that the lateral branches innervate not only the posterior ligaments, but also the bony articulation. The decision to proceed with RF ablation on the same day as a prognostic lateral branch block was based on our patient's terminal condition, and the fact that cooled RF does not require sensory stimulation to ensure proximity to the target nerves. Because of her transitional anatomy, we elected to target L4.
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Chronic non-cancer-related pain affects a large proportion of the adult population and is often difficult to manage effectively. Although opioid analgesics have been used to relieve chronic pain of different etiologies, opioids are associated with a range of side effects that may reduce patient quality of life and lead to reduced compliance with treatment.Tapentadol is a centrally acting analgesic with 2 mechanisms of action, μ-opioid receptor agonism and norepinephrine reuptake inhibition, that is available in an extended-release formulation for the management of chronic pain. ⋯ Tapentadol ER (100 - 250 mg bid) is effective for moderate to severe osteoarthritis pain, low back pain, and pain related to DPN and provides efficacy similar to that of oxycodone HCl CR (20 - 50 mg bid) for patients with osteoarthritis and low back pain. Tapentadol ER treatment has been associated with better gastrointestinal tolerability and compliance with therapy than oxycodone CR, which suggests that tapentadol ER may be a better option for the long-term management of chronic pain.