Current pain and headache reports
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With an increased knowledge of neural anatomy and technologic improvement, radiofrequency ablation (RFA) became an often-used technique for the pain control over an extended time period. Today, RFA is used safely for spinal pains of facet or discogenic origin, sympathetically maintained pain, and other pains of neural origin.
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Daily or near-daily headache is a widespread problem in clinical practice. The general term of chronic daily headache (CDH) encompasses those primary headaches presenting more than 15 days per month and lasting more than 4 hours per day. CDH includes transformed migraine (TM), chronic tension-type headache (CTTH), new daily persistent headache (NDPH), and hemicrania continua (HC). ⋯ Regarding the prevalence of CDH subtypes, NDPH is rare (0.1%), whereas the prevalence of TM (1.5% to 2%) and CTTH (2.5% to 3%) is clearly higher. In contrast to data from specialized clinics, only around a quarter of CDH subjects in the general population overuse analgesics; the prevalence of CDH subjects with analgesic overuse being 1.1% to 1.9% of the general population. Most of these patients with analgesic overuse are TM patients.
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A number of patients attending specialty headache centers complain of very frequent, almost continuous headaches, which are usually grouped together under the term chronic daily headache (CDH), a category which does not appear in the International Headache Society (IHS) classification published in 1988. More than 10 years later, this issue is still debated, also in light of the foreseen revised classification. ⋯ In most cases, CDH appears to evolve from an episodic migraine, but the temporal limits between an episodic and a no-longer episodic form of migraine are questionable. Although some theoretic problems remain unresolved, it seems that the next revision of the IHS classification can no longer ignore the existence of CDH.
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Curr Pain Headache Rep · Dec 2001
ReviewCurrent and future trends in spinal cord stimulation for chronic pain.
Spinal cord stimulation (SCS) is a reversible treatment for chronic pain that is gaining favor as a first-line therapy for many disease states. Because there are no addictive issues and no side effects systemically, the treatment is moving up the treatment continuum ladder. First used clinically in 1967, the procedure was used exclusively for failed back surgery syndrome. ⋯ This review focuses on the selection, indications, techniques, new advances, complications, and outcomes involved with SCS. A review is provided for the treatment of radiculitis, failed back surgery syndrome, complex regional pain syndrome, peripheral neuropathies, pelvic pain, occipital neuralgia, angina, ischemic extremity pain, and spasticity. Technologic advances such as multi-lead and multi-electrode arrays are also discussed in regard to the impact these developments have on the clinical application of the therapy.
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Curr Pain Headache Rep · Dec 2001
ReviewAnalgesic/abortive overuse and misuse in chronic daily headache.
The frequent use (> 15 times/month) of medication for the treatment of acute migraine attacks may cause medication overuse headache. This kind of headache can be caused by the intake of combination analgesics, opioids, ergot alkaloids, and triptans. The delay between first intake and daily headache is shortest for triptans (1 to 2 years), longer for ergots (3 years), and longest for analgesics (5 years). Treatment includes drug withdrawal followed by structured acute therapy and initiation of migraine prophylactic treatment.