Articles: pain-management-methods.
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Comparative Study
Paravertebral Nerve Block With Liposomal Bupivacaine for Pain Control Following Video-Assisted Thoracoscopic Surgery and Thoracotomy.
Some surgeons have adopted the use of video-assisted thoracoscopic surgery (VATS) or robotic surgery to perform resections for lung cancer. VATS is associated with less pain and a decrease in pulmonary complications compared with open thoracotomies. Long-acting liposomal bupivacaine (LB) intercostal nerve blocks are reported to provide superior pain relief compared with epidural catheters in the first 3 d after a thoracotomy. This study examined whether LB improves pain after VATS and if it provides effective analgesia after a thoracotomy. ⋯ LB paravertebral blocks significantly improve postoperative pain in comparison with 0.25% BE blocks in VATS patients. LB paravertebral blocks also provide effective analgesia in patients undergoing thoracotomies.
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Case Reports Pragmatic Clinical Trial
T12 Dorsal Root Ganglion Stimulation to Treat Chronic Low Back Pain: A Case Series.
Dorsal root ganglion stimulation (DRG-S) is a neuromodulation technique for treating neuropathic pain syndromes. Research has demonstrated DRG-S to be more effective than conventional SCS in treating RSD/CRPS, particularly of the lower extremities. Results from recent case series and prospective studies suggest that DRG-S may be effective in treatment of pain syndromes considered to have non-neuropathic components and characteristics (e.g. nociceptive). There have been multiple, small studies demonstrating efficacy of DRG-S for axial low back pain. There has, however, been no consensus regarding the best location for DRG lead placement in the treatment of low back pain. ⋯ T12 DRG-S can be an effective treatment for chronic axial low back pain. Stimulation results in reduced pain and disability, while improving quality of life. These outcomes can be achieved without paresthesias.
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Stimulation of the dorsal root ganglion (DRG) in the treatment of chronic, intractable pain has shown excellent clinical results in multiple published studies, including a large prospective, randomized, controlled trial. Both safety and efficacy have been demonstrated utilizing this therapeutic approach for many chronic complaints. Continued assessment of neuromodulation therapies, such as DRG stimulation, are not only an important aspect of vigilant care, but are also necessary for the evaluation for safety. ⋯ The current results from a large consecutive cohort obtained from manufacturer records indicates that DRG stimulation demonstrates an excellent safety profile. Reported event rates are similar to previously reported adverse event and complaint rates in the literature for this therapy. Similarly, safety events rates were lower or similar to previously reported rates for SCS, further demonstrating the comparative safety of this neuromodulation technique for chronic pain treatment.
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To assess the personalized pain intensity goal (PPIG), the achievement of a personalized pain goal response (PPGR), and patients' global impression (PGI) in advanced cancer patients after a comprehensive pain and symptom management. ⋯ PPIG, PPGR and PGI seem to be relevant for evaluating the effects of a comprehensive management of pain, assisting decision-making process according to patients' expectations. Some factors may be implicated in determining the individual target and the clinical response.
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Deep brain stimulation (DBS) has been considered for patients with intractable pain syndromes since the 1950s. Although there is substantial experience reported in the literature, the indications are contested, especially in the United States where it remains off-label. Historically, the sensory-discriminative pain pathways were targeted. More recently, modulation of the affective sphere of pain has emerged as a plausible alternative. ⋯ DBS outcomes for chronic pain are heterogeneous thus far. Future studies may focus on specific pain diagnosis rather than multiple syndromes and consider randomized placebo-controlled designs. DBS targeting the affective sphere of pain seems promising and deserves further investigation.