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Query: UMLS:C0030193 (pain)
 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The results of the treatment of trigeminal neuralgia by neurovascular decompression or partial sensory rhizotomy in a personal series of 220 patients are presented. Microvascular decompression was performed in 178 patients and partial sensory rhizotomy in 42. The mean follow-up was 5.2 years. Immediate pain relief was achieved in 94% of all patients, but the rate dropped to 84% during the follow-up period. The recurrence rate in the microvascular decompression group was 6% and in the PSR 49%. Permanent sequelae occurred in 4 patients (loss of hearing, 1; loss of corneal reflex, 1; lesion of the portio minor, 2), but transitory complications (impaired hearing caused by hematotympanum and diplopia) were more frequent, especially in the beginning of the series. Elderly patients tolerated the procedure very well and the percentage of complications was evenly distributed in all age groups. Three patients died. No patient developed painful dysesthesias or anesthesia dolorosa. There were no differences in the outcome, considering sex and age. The duration of symptoms did not influence the prognosis. Patients with severe compression did better than those with a mild one, and patients with an arterial compression did better than those with a venous one. Trigeminal neuralgia in multiple sclerosis is seldom relieved by microvascular decompression. The experience of the surgeon reduces the number of negative findings considerably.
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PMID:Microvascular decompression and partial sensory rhizotomy in the treatment of trigeminal neuralgia: personal experience with 220 patients. 137 Nov 84

Multiple sclerosis (MS) is frequently regarded as a painless condition. A review of the literature reveals that approximately 2/3 of the patients with multiple sclerosis will experience painful syndromes during the course of disease and that these are associated with the disease. Acute syndromes are described: Trigeminal neuralgia, Lhermitte's sign, optic neuritis and tonic seizure. Chronic syndromes: Dysaesthesia, pain in extremities, muscular spasms, low back pain and headache. The frequency, causes and suggestions for treatment are mentioned. A Danish investigation has revealed that only 42% of a representative section of DS patients received adequate treatment for pain. It is thus concluded that optimal treatment of pain in MS patients is necessary.
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PMID:[Painful syndromes connected with disseminated sclerosis]. 153 48

From December 1973 through November 1988, we cared for 11 patients who presented with acute radicular pain and in whom radicular compression was ruled out by imaging techniques. Eventually, multiple sclerosis was diagnosed and judged to be responsible for the acute radiculopathy. The patients (seven women, aged 18 to 40 years; median, 32 years) and four men (aged 23 to 34 years; median, 29 years) were followed up from 6 months to 15 years (mean, 4 years 11 months). They represent 3.9% of 282 newly diagnosed cases of multiple sclerosis during the same 15 years. A retrospective analysis of the characteristics of their illness and its evolution was conducted. Six had lumbosacral radiculopathies; three, cervical and two, thoracic. In six of the 11 patients, symptoms occurred in close relationship to trauma; seven had recurrent radicular pain; four had other pain syndromes; and three others, paroxysmal symptoms. One patient died of complications from multiple sclerosis 3 years after diagnosis. Three others were rated five or greater in the extended Kurtzke disability status scale during follow-up.
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PMID:Acute radicular pain as a presenting symptom in multiple sclerosis. 153 27

This is the first paper to study the physiological function of the spinothalamic tract in multiple sclerosis (MS) using pain-related somatosensory evoked potentials (pain SEPs) following CO2 laser stimulation. Among 12 patients with MS, hand- and foot-stimulated pain SEPs were significantly delayed or absent in 3 and 7, respectively. These results were totally consistent with clinical impairment of pain-temperature sensation. In contrast, the results of conventional electrically-stimulated SEPs were compatible with impairment of vibration sensation. Therefore, the examination of both pain and electric SEPs is very useful to evaluate the physiological function of the ascending spinal tract in patients with MS.
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PMID:Physiological study of the spinothalamic tract conduction in multiple sclerosis. 156 19

A Japanese woman, aged 42, was admitted because of paroxysmal attacks consisting of paresthesia of the left face, tremor in the right hand, epigastric pain and urinary incontinence. A year prior to the admission, she noticed some difficulty in writing, dysarthria and unsteadiness of walking. These symptoms had been persistent since then. At the end of March, 1991, these symptoms rapidly worsened, and she fell down frequently. She also experienced pain behind both eyes, numbness in her left fingers and toe, urinary frequency and the above-mentioned attacks. Neurological examination disclosed bilateral internuclear ophthalmoplegia and upbeating nystagmus on upward gaze, titubation in the head, scanning speech, dysmetria in all limbs, exaggerated reflexes in jaw and both legs, bilateral extensor plantar reflexes and ankle clonus. SEP showed delayed cortical response with stimulation of the median nerves bilaterally and of the right posterior tibial nerve. P40 was absent with the left posterior tibial nerve stimulation. VEP was normal. T2-weighted image of MRI showed multiple high intensity areas located around the third ventricle, crus cerebri and the right upper part of the pons. The diagnosis of multiple sclerosis was made. Each paroxysmal attack started with numbness in the left face and burning sensation in the neck. Almost simultaneously tremor in the right hand began. The surface EMG showed the rhythmic contractions in the dorsal hand muscles and wrist extensors at a frequency of 6-7 Hz, and sometimes it revealed synchronized contractions of finger flexors and the dorsal hand muscles. A few seconds later she felt painful sensation in the epigastric region, and the tremor gradually increased in its intensity.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:[A case of multiple sclerosis with paroxysmal attacks of facial paresthesia, unilateral hand tremor, epigastric pain and urinary incontinence]. 162 36

Substance P-like and somatostatin-like immunoreactivities (SPLI and SLI) were determined in ventricular fluid of patients with chronic pain syndromes and in a comparison group with multiple sclerosis, essential tremor, epilepsy and postanoxic myoclonus. Concentrations of SPLI and SLI were non-significantly decreased by 40% and 33% in chronic pain patients as compared with control patients without pain. There were no differences apparent between subgroups of pain patients (deafferentation pain, neoplasia-induced pain, thalamic pain). High pressure liquid chromatography combined with radioimmunoassay showed marked heterogeneity of SPLI and SLI.
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PMID:Substance P-like immunoreactivity and somatostatin-like immunoreactivity in the ventricular fluid of patients with chronic pain syndromes. 183 80

Percutaneous micro-compression of the trigeminal ganglion for trigeminal neuralgia, using the technique of Mullan and Lichtor (1983), with some modifications, was performed during the last five years, in our institution in 70 patients. 97.5% of the patients were initially relieved of their pain. There were 14 recurrences (20.5%). 9 of these patients underwent a second micro-compression with 8 excellent results. The follow up examination 6 to 60 months (average: 16.5 months) showed that 88.5% of the patients were free of pain (54 times after one micro-compression and 8 times after two). Sequellae are: --hypoesthesia: 14.3%, --loss of the corneal reflex without keratitis: 11.4%, --dysesthesias without anesthesia dolorosa: 11.4%. We think that this technique should be the first operation considered for trigeminal neuralgia, in the aged and poor cooperative patients, especially when V1 or V1-V2 pain is present, for symptomatic neuralgia (especially multiple sclerosis), or after recurrences after other procedures.
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PMID:[Microcompression of Gasser's ganglion. A treatment of essential facial neuralgia. Apropos of 70 cases]. 185 37

Epidural spinal cord stimulation by means of chronically implanted electrodes was carried out on 121 patients with pain of varied benign organic etiology. In 116 patients, the pain was confined to the back and lower extremities and, of these, 56 exhibited the failed-back syndrome. Most patients were referred by a pain management service because of failure of conventional pain treatment modalities. Electrodes were implanted at varying sites, dictated by the location of pain. A total of 140 epidural implants were used: 76 unipolar, 46 Resume electrodes, 12 bipolar, and six quadripolar. Patients were followed for periods ranging from 6 months to 10 years, with a mean follow-up period of 40 months. Forty-eight patients (40%) were able to control their pain by neurostimulation alone. A further 14 patients (12%), in addition to following a regular stimulation program, needed occasional analgesic supplements to achieve 50% or more relief of the prestimulation pain. Pain secondary to arachnoiditis or perineural fibrosis following multiple intervertebral disc operations, when predominantly confined to one lower extremity, seemed to respond favorably to this treatment. Uniformly good results were also obtained in lower-extremity pain secondary to multiple sclerosis. Pain due to advanced peripheral vascular disease of the lower limbs was well controlled, and amputation below the knee was delayed for up to 2 years in some patients. Pain due to cauda equina injury, paraplegic pain, phantom-limb pain, pure midline back pain without radiculopathy, or pain due to primary bone or joint disease seemed to respond less well. Patients who responded to preliminary transcutaneous electrical nerve stimulation generally did well with electrode implants. Notable complications included wound infection, electrode displacement or fracturing, and fibrosis at the stimulating tip of the electrode. Three patients in this series died due to unrelated causes. Epidural spinal cord stimulation has proven to be an effective and safe means of controlling pain on a long-term basis in selected groups of patients. The mechanism of action of stimulation-produced analgesia remains unclear; further studies to elucidate it might allow spinal cord stimulation to be exploited more effectively in disorders that are currently refractory to this treatment modality.
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PMID:Treatment of chronic pain by epidural spinal cord stimulation: a 10-year experience. 186 42

A detailed survey questionnaire was distributed to patients attending a multiple sclerosis clinic for the purpose of describing the pain experience of an MS population. Three hundred and sixty-four (364) questionnaires were completed and returned for evaluation. Two hundred and thirty-three (233) or 64 percent of subjects surveyed reported painful symptoms at some time during the course of their disease. Data was gathered and analyzed with regard to age, gender, duration of illness, age of onset of MS, employment status, classification of disease, onset of painful symptoms and their frequency and intensity. Similarities between the two groups (pain vs no pain) were observed in mean age (44.15 years vs 43.40), duration of illness (10.97 years vs 10.26 years), employment status (56 percent employed vs 57 percent employed), age of disease onset (33.74 years vs 32.07 years) and breakdown of illness classifications in both groups. Onset of pain was reported at time of diagnosis or before in 41 percent of subjects surveyed. Females were more likely to complain of pain than were men (68 percent vs 55 percent) and tended to report a significantly higher pain intensity than males. Forty-nine percent of subjects with pain reported difficulty working, 44 percent difficulty sleeping and 34 percent reported troubled interpersonal relationships. Forty percent of patients with pain report never being completely pain free.
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PMID:The pain experience of a multiple sclerosis population: a descriptive study. 188 71

In a prospective study of hitherto 70 patients with acute optic neuritis (ON), 18 patients aged 15-49 years (12 women, 6 men) were diagnosed as having very subtle form of ON (bilateral in 4 patients), characterized by normal visual acuity. However, their symptoms were sudden functional visual disturbances, most frequently blurred vision accompanied by pain in or around the affected eye(s). In 5 patients, the ON was a manifestation of clinically definite multiple sclerosis (MS); the remaining 13 patients had monosymptomatic ON. The duration of visual symptoms ranged from 2 to 28 days (median 7 days) at the time of examination. Although 18 patients had a normal visual acuity, i.e. 6/6 c.c. (Snellen's notation) or better, extensive studies of the visual functions (using sensitive supplementary tests) revealed various abnormalities, primarily various visual field defects, abnormal contrast sensitivity, abnormal VEP and colour vision deficiencies (often of blue-yellow type). Magnetic resonance imaging (MRI) of the brain revealed demyelinating lesions in 10 of the 13 patients with monosymptomatic ON, and in all 5 patients with definite MS. The extended disease spectrum gives reason to hypothesixe that ON may occur more frequently than previously reported, and that the described subtle form of ON could be an unnotified precocious manifestation of the demyelinating disease.
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PMID:Acute optic neuritis with normal visual acuity. Comparison of symptoms and signs with psychophysiological, electrophysiological and magnetic resonance imaging data. 192 20


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