Articles: treatment.
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Objective. The purpose of this study is to evaluate the effectiveness of modern spinal cord stimulation (SCS) for the treatment of failed back surgery syndrome (FBSS). Materials and Methods. ⋯ Conclusions. SCS is an effective treatment for chronic low back and lower extremity pain which is refractory to conservative therapy and which is not amenable to corrective anatomic surgery. Though our patient population is small, our results imply that the laminectomy-style electrodes in the thoracic region achieve better long-term effectiveness than percutaneous leads.
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Intrathecal drug delivery is a widely used and effective method of treatment for chronic intractable pain. Unfortunately all currently used agents can not provide adequate pain relief in all patients. A prospective study of neuroaxial methadone was performed in 24 patients, all of whom had failed treatment with multiple previous intrathecal drugs. ⋯ The final rates of methadone infusion were 2.2 times higher than preceding morphine rates. The only observed possible side effect of methadone was transient blurred vision in one patient. Methadone is a promising alternative neuroaxial agent in the treatment of chronic pain.
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Journal of anesthesia · Jan 2001
Tolerance to the analgesic effect of buprenorphine, butorphanol, nalbuphine, and cyclorphan, and cross-tolerance to morphine.
The increased use of opioids in the chronic treatment of pain, especially with oncologic patients, encourages the search for drugs with potent analgesic activity, but with minimal induced tolerance and cross-tolerance to morphine. ⋯ Of the four agonist-antagonists tested, butorphanol seems to be least likely to produce cross-tolerance with morphine.
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Dtsch. Med. Wochenschr. · Jan 2001
[Myocardial infarction and coronary artery ventricular fistulas due to blunt chest trauma]
An 18-year-old previously healthy, cigarette smoking man with no other risk factors for ischaemic heart disease, was admitted to hospital after being kicked in the chest by a horse. On arrival he complained about pain in the lower mediastinum. INVESTIGATIONS: The ECG showed sinus rhythm, right bundle branch block and convex bowed ST elevation in leads V1-V3. Sixty minutes after the incident the cardiac enzymes (creatinekinase-MB fraction, troponin I) were significantly raised. Despite an only slightly reduced left ventricular function documented by transthoracic echocardiography, SPECT-thallium scan showed large scintigraphic defects. Coronary heart disease was excluded by coronary angiography. Four small coronary-ventricular fistulas were identified. Laevocardiography showed a hypokinesia in the antero-septal region. DIAGNOSIS, TREATMENT AND COURSE: We assumed traumatic myocardial infarction of the anterior wall and rupture of multiple small coronary vessels, leading to coronary-ventricular fistulas. No interventional or surgical therapy was performed. Later on the left ventricular function became normal. Echocardiography merely outlined an akinetic scar in the middle of the septum. At exercise ECG test sixteen months later, the patient remained asymptomatic and was able to exercise without any signs of ischaemia up to a work load of 175 W. Furthermore, the fistulas could be seen by echocardiography. ⋯ Cardiac involvement should be considered in all cases of blunt chest trauma. In addition to a traumatic myocardial infarction fistulas may also, though rarely, occur. Myocardial scintigraphy after cardiac contusion is not suitable for diagnosing myocardial ischaemia or vitability.
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A number of case reports and nonplacebo controlled studies have documented the efficacy of clonazepam (Klonopin) in the treatment of a number of chronic pain syndromes including lancinating and neuropathic/deafferentation pain. There are, however, no data on the efficacy of clonazepam for chronic pain (CP) associated with myofascial pain syndrome (MFPS). Therefore, we wish to report the results of an open clinical treatment trial of clonazepam for CP associated with MFPS. ⋯ Clonazepam may have an antinociceptive effect for pain associated with myofascial pain syndrome.