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WYLIE EJ, HEIN MF, ADAMS JE. INTRACRANIAL HEMORRHAGE FOLLOWING SURGICAL REVASCULARIZATION FOR TREATMENT OF ACUTE STROKES. J Neurosurg 1996; 21:212-5. [PMID: 14127622 DOI: 10.3171/jns.1964.21.3.0212] [Citation(s) in RCA: 246] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Journal Article |
29 |
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Halabchi F, Alizadeh Z, Sahraian MA, Abolhasani M. Exercise prescription for patients with multiple sclerosis; potential benefits and practical recommendations. BMC Neurol 2017; 17:185. [PMID: 28915856 PMCID: PMC5602953 DOI: 10.1186/s12883-017-0960-9] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 09/04/2017] [Indexed: 11/05/2023] Open
Abstract
BACKGROUND Multiple sclerosis (MS) can result in significant mental and physical symptoms, specially muscle weakness, abnormal walking mechanics, balance problems, spasticity, fatigue, cognitive impairment and depression. Patients with MS frequently decrease physical activity due to the fear from worsening the symptoms and this can result in reconditioning. Physicians now believe that regular exercise training is a potential solution for limiting the reconditioning process and achieving an optimal level of patient activities, functions and many physical and mental symptoms without any concern about triggering the onset or exacerbation of disease symptoms or relapse. MAIN BODY Appropriate exercise can cause noteworthy and important improvements in different areas of cardio respiratory fitness (Aerobic fitness), muscle strength, flexibility, balance, fatigue, cognition, quality of life and respiratory function in MS patients. Aerobic exercise training with low to moderate intensity can result in the improvement of aerobic fitness and reduction of fatigue in MS patients affected by mild or moderate disability. MS patients can positively adapt to resistance training which may result in improved fatigue and ambulation. Flexibility exercises such as stretching the muscles may diminish spasticity and prevent future painful contractions. Balance exercises have beneficial effects on fall rates and better balance. Some general guidelines exist for exercise recommendation in the MS population. The individualized exercise program should be designed to address a patient's chief complaint, improve strength, endurance, balance, coordination, fatigue and so on. An exercise staircase model has been proposed for exercise prescription and progression for a broad spectrum of MS patients. CONCLUSION Exercise should be considered as a safe and effective means of rehabilitation in MS patients. Existing evidence shows that a supervised and individualized exercise program may improve fitness, functional capacity and quality of life as well as modifiable impairments in MS patients.
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Review |
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Perot PL, Munro DD. Transthoracic removal of midline thoracic disc protrusions causing spinal cord compression. J Neurosurg 1969; 31:452-8. [PMID: 5349091 DOI: 10.3171/jns.1969.31.4.0452] [Citation(s) in RCA: 157] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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157 |
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research-article |
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Peyron R, García-Larrea L, Grégoire MC, Convers P, Richard A, Lavenne F, Barral FG, Mauguière F, Michel D, Laurent B. Parietal and cingulate processes in central pain. A combined positron emission tomography (PET) and functional magnetic resonance imaging (fMRI) study of an unusual case. Pain 2000; 84:77-87. [PMID: 10601675 DOI: 10.1016/s0304-3959(99)00190-6] [Citation(s) in RCA: 98] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Parietal, insular and anterior cingulate cortices are involved in the processing of noxious inputs and genesis of pain sensation. Parietal lesions may generate central pain by mechanisms generally assumed to involve the 'medial' pain system (i.e. medial thalamic nuclei and anterior cingulate cortex (ACC)). We report here PET and fMRI data in a patient who developed central pain and allodynia in her left side after a bifocal infarct involving both the right parietal cortex (SI and SII) and the right ACC (Brodmann areas 24 and 32), thus questioning the schematic representation of cortical pain processing. No rCBF increase was found in any part of the residual cingulate cortices, neither in the basal state (which included spontaneous pain and extended hypoperfusion around the infarct), nor during left allodynic pain. Thus, as previously observed in patients with lateral medullary infarct, neither spontaneous pain nor allodynia reproduce the cingulate activation observed after noxious pain in normal subjects. Conversely, both PET and fMRI data argue in favour of plastic changes in the 'lateral discriminative' pain system. Particularly, allodynia was associated with increased activity anteriorly to the infarct in the right insula/SII cortex. This response is likely to be responsible for the strange and very unpleasant allodynic sensation elicited on the left side by a non-noxious stimulation.
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Case Reports |
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Hund EF, Fogel W, Krieger D, DeGeorgia M, Hacke W. Critical illness polyneuropathy: clinical findings and outcomes of a frequent cause of neuromuscular weaning failure. Crit Care Med 1996; 24:1328-33. [PMID: 8706487 DOI: 10.1097/00003246-199608000-00010] [Citation(s) in RCA: 95] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
OBJECTIVE To describe clinical and electrophysiologic features and outcomes of critically ill patients with neuromuscular causes of failure to wean from mechanical ventilator support. DESIGN A prospective, consecutive, case series. SETTING Neurological, neurosurgical, and medical intensive care units in a university hospital. PATIENTS Seven patients during a 3-yr period with failure to wean from mechanical ventilation not explained by pulmonary complications. INTERVENTIONS Muscle and nerve biopsy in three patients. MEASUREMENTS AND MAIN RESULTS Detailed electrodiagnostic studies were done in all patients 3 to 6 wks (median 4.5) after the onset of the acute illness and were repeated 3 months to 3.5 yrs later in those patients who survived. Primary illnesses included various intracranial and medical conditions. All patients had moderate-to-severe limb weakness with marked muscle atrophy. Tendon reflexes were decreased in three patients, exaggerated in two patients with intracranial lesions, and absent in two patients. Electromyography demonstrated severe acute denervation, with striking involvement of proximal muscles. Muscle and nerve biopsies showed severe neurogenic atrophy and axonal degeneration without inflammation. There was no evidence of primary myopathy. Two patients died of complications of sepsis. Of the survivors, three patients had no further weakness at the time of reexamination, except for peroneal nerve palsy in one patient. Two patients, still in the recovery period, showed markedly improved conditions but still showed slight weakness of the proximal muscles. By electrophysiology, signs of chronic neurogenic damage were demonstrable in all survivors at follow-up. CONCLUSIONS Critical illness polyneuropathy is a frequent cause of neuromuscular weaning failure in critically ill patients, regardless of the type of primary illness. Involvement of proximal (including facial and paraspinal) muscles is striking. Tendon reflexes are often preserved. Patients with central nervous system injury may likewise develop critical illness polyneuropathy. In these latter patients, tendon reflexes may even be exaggerated. Recovery from critical illness polyneuropathy is usually rapid and clinically complete, although incomplete on electrodiagnostic study. Residual peripheral nerve lesion, generally of the peroneal nerve, is the most frequent feature of incomplete recovery. The need for careful electrophysiologic testing is emphasized to clarify the nature and extent of neuromuscular disturbances in critically ill patients. Failure to recognize the development of neuropathy in these patients may lead to erroneous conclusions about the ability to wean them from the ventilator.
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Kahn SR, Elman EA, Bornais C, Blostein M, Wells PS. Post-thrombotic syndrome, functional disability and quality of life after upper extremity deep venous thrombosis in adults. Thromb Haemost 2009; 93:499-502. [PMID: 15735801 DOI: 10.1160/th04-10-0640] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The post-thrombotic syndrome (PTS) after upper extremity deep venous thrombosis (UEDVT) has not been well characterized. The objective of our study was to describe and quantify residual symptoms, functional disability and quality of life associated with PTS after UEDVT in adults. Twenty-four patients with objectively diagnosed UEDVT (bilateral in 1 patient) at least 6 months previously were recruited from two Canadian thrombosis clinics. Data were collected on demographic characteristics, DVT risk factors and affected venous segments. The Villalta PTS scale, modified for the upper extremity, was used to diagnose PTS. Patients completed questionnaires on degree of functional disability (DASH questionnaire), and generic (SF-36) and disease-specific (VEINES-QOL) quality of life. Results were compared in patients with and without PTS. Patients were assessed a median of 13 months after the diagnosis of UEDVT. Daily ipsilateral arm or hand swelling was reported by 52% of patients and daily ipsilateral arm pain by 20% of study patients, compared with 0% and 0%, respectively, in the contralateral arm. PTS was present in 11/25 (44%) limbs (11/24 patients). One patient had severe PTS. Patients with PTS, compared with those without PTS, had significantly more functional disability (mean DASH score 20.9 vs. 3.7, p=0.009) and poorer quality of life (mean VEINES-QOL score 45.6 vs. 53.6; p=0.001; mean SF-36 Physical Component Score (PCS) 40.8 vs. 50.2; p=0.12). PTS scores were higher and quality of life was poorer when PTS involved the dominant arm. In conclusion, PTS occurs frequently after UEDVT and is associated with significant functional disability and reduced quality of life. Patients with dominant arm PTS appear to fare worse than those with non-dominant arm PTS. Larger, prospective studies to identify prognostic factors that lead to PTS after UEDVT are warranted.
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Research Support, Non-U.S. Gov't |
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ERMINIO F, BUCHTHAL F, ROSENFALCK P. Motor unit territory and muscle fiber concentration in paresis due to peripheral nerve injury and anterior horn cell involvement. Neurology 1959; 9:657-71. [PMID: 13820657 DOI: 10.1212/wnl.9.10.657] [Citation(s) in RCA: 82] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Lim YJ, Leem W, Park JT, Kim TS, Rhee BA, Kim GK. Cerebral infarction with ICA occlusion after Gamma Knife radiosurgery for pituitary adenoma: A case report. Stereotact Funct Neurosurg 2000; 72 Suppl 1:132-9. [PMID: 10681701 DOI: 10.1159/000056449] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Cranial irradiation may lead to accelerated atherosclerotic changes to small or medium sized arteries, but stroke associated with pituitary irradiation is not frequent. A patient treated with Gamma Knife radio-surgery (GKRS) for a pituitary adenoma suffered a cerebral infarction with internal carotid artery occlusion 4 years after radiosurgery. The patient was a 35-year-old male presenting with a visual disturbance. Endocrinological tests were normal. MRI revealed a 4.3 by 4.3 cm diameter invasive macroadenoma of the pituitary, projecting toward the suprasellar region and with cavernous sinus involvement with encasement of both internal carotid arteries (ICAs). GKRS was performed for residual tumor after a transcranial resection. The maximum dose was 40 Gy and the dose to the right carotid artery was below 20 Gy. The delayed hemiparesis was accompanied by a right capsular lacunar infarct shown on MRI. The images also showed a marked reduction in tumor size. Total, right ICA occlusion was confirmed by Doppler ultrasound. The patient had no history or signs of heart disease or metabolic disorder which could predispose to cerebrovascular
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Case Reports |
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63 |
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Cauzinille L, Kornegay JN. Fibrocartilaginous embolism of the spinal cord in dogs: review of 36 histologically confirmed cases and retrospective study of 26 suspected cases. Vet Med (Auckl) 1996; 10:241-5. [PMID: 8819049 DOI: 10.1111/j.1939-1676.1996.tb02056.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Clinical features of 36 dogs with histologically confirmed fibrocartilaginous embolism (FCE) were contrasted with those of 26 dogs in which FCE was suspected based on characteristic clinical findings and the absence of compressive spinal cord disease on myelography. Dogs with confirmed and suspected FCE were of similar signalment, and had acute, nonprogressive dysfunction, often associated with trauma or exercise. The "suspected" group included fewer giant breeds and more often had asymmetric lesions, intact nociception, and upper motor neuron involvement. Dog size and severity of clinical signs probably contributed to owners choosing euthanasia in dogs with confirmed lesions. Accordingly, data from such patients may be skewed relative to these clinical features.
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Karnath HO, Fetter M. Ocular space exploration in the dark and its relation to subjective and objective body orientation in neglect patients with parietal lesions. Neuropsychologia 1995; 33:371-7. [PMID: 7792004 DOI: 10.1016/0028-3932(94)00115-6] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Eye movements of neglect patients with right parietal lesions were recorded during ocular searching for a (non-existent) target in complete darkness. With respect to the objective orientation of the sagittal midplane, ocular exploration was biased toward the ipsilesional side. However, in relation to the patients' subjective localization of the sagittal midplane in space, exploratory eye movements were symmetrically distributed to the subjective "left" and "right" as observed in non-brain-damaged controls. The present results further support the hypothesis that the essential aspect leading to spatial neglect is a disturbance of those cortical structures that are crucial for computing egocentric, body-centred coordinates that allow use to determine our body position in space and that are necessary for visuomotor coordination and exploration of space. In neglect patients the central coordinate transformation seems to work with a systematic error resulting in a deviation of the spatial reference frame to the ipsilesional side. Consequences of this deviation are a displacement of subjective localization of body orientation and--to the same degree--of the spatial area in which motor behavior (here exploratory eye movements) is executed.
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Prior SJ, McKenzie MJ, Joseph LJ, Ivey FM, Macko RF, Hafer-Macko CE, Ryan AS. Reduced skeletal muscle capillarization and glucose intolerance. Microcirculation 2009; 16:203-12. [PMID: 19225985 PMCID: PMC2990692 DOI: 10.1080/10739680802502423] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Reduced capillarization in hemiparetic skeletal muscle of chronic stroke patients can limit insulin, glucose, and oxygen supply to muscle, thereby contributing to impaired glucose metabolism and cardiovascular deconditioning. We hypothesized that compared to sedentary controls, stroke subjects have reduced skeletal muscle capillarization that is associated with glucose intolerance and reduced peak oxygen consumption (Vo(2peak)). METHODS Twelve chronic stroke subjects (ages, 62.1+/-2.8 years), and matched sedentary controls with impaired (n=12) or normal (n=12) glucose tolerance underwent oral glucose tolerance tests, exercise tests, and vastus lateralis biopsies. RESULTS Stroke subjects had lower capillarization in hemiparetic muscle than in nonparetic muscle and normal glucose tolerant controls ( approximately 22 and approximately 28%, respectively; P<0.05) and had similar bilateral capillarization, compared to controls with impaired glucose tolerance. Capillary density in hemiparetic muscle inversely correlated with 120-minute glucose (r=-0.70, P<0.01) and glucose area under the curve (r=-0.78, P<0.01). Vo(2peak) was approximately 40% lower in stroke subjects, compared to controls (P<0.001), but did not correlate with capillarization (P=n.s.). CONCLUSIONS Hemiparetic muscle capillarization is reduced after stroke, and reduced capillarization is associated with glucose intolerance in stroke and control subjects. Interventions to increase skeletal muscle capillarization may prove beneficial for improving glucose metabolism in chronic stroke patients.
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Research Support, N.I.H., Extramural |
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Holbrook MR, Aronson JF, Campbell GA, Jones S, Feldmann H, Barrett ADT. An animal model for the tickborne flavivirus--Omsk hemorrhagic fever virus. J Infect Dis 2004; 191:100-8. [PMID: 15593010 DOI: 10.1086/426397] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2004] [Accepted: 07/08/2004] [Indexed: 11/04/2022] Open
Abstract
The tickborne encephalitis (TBE) serocomplex of flaviviruses consists primarily of viruses that cause neurologic disease; these viruses include Omsk hemorrhagic fever virus (OHFV), a virus that is genetically related to other TBE serocomplex viruses but that circulates in an ecologically distinct niche and causes markedly different human disease. The objective of this study was to examine a potential small-animal model for OHFV and to compare the pathology of infection with that of the neurotropic tickborne flavivirus, Powassan virus (POWV). POWV-infected BALB/c mice demonstrated typical arboviral encephalitis, characterized by paresis and paralysis before death, and viral infection of the cerebrum, characterized by inflammation and necrosis. In contrast, lethal OHFV infection did not cause paralysis or significant infection of the cerebrum but showed marked involvement of the cerebellum. Distinct pathological results in the spleens suggest that the immune response in OHFV-infected mice is different from that in POWV-infected mice. This study demonstrates a clear pathological difference between OHFV-infected mice and POWV-infected mice and supports the use of the BALB/c mouse as a disease model for OHFV.
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Research Support, U.S. Gov't, P.H.S. |
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Kramer U, Kahana E, Shorer Z, Ben-Zeev B. Outcome of infants with unilateral Sturge-Weber syndrome and early onset seizures. Dev Med Child Neurol 2000; 42:756-9. [PMID: 11104348 DOI: 10.1017/s0012162200001407] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Patients with Sturge-Weber syndrome often present with seizures during the first year of life. Currently, only patients with clinically significant seizures who do not respond to medical treatment are candidates for early epileptic surgery. However, a delay of surgical treatment may result in cognitive deterioration. We studied the correlation between parameters and outcome of seizures to re-examine the criteria for early epilepsy surgery. We performed a retrospective chart review combined with telephone interviews of parents of all Israeli infants with unilateral Sturge-Weber syndrome and early onset seizures, and we examined whether age of seizure onset and seizure intensity were correlated with cognitive level and the degree of hemiparesis at follow-up. We recruited a total of 15 patients with unilateral Sturge-Weber syndrome and early onset seizures, five of whom underwent epilepsy surgery. The mean follow-up period of all the patients was 15 years: six patients had normal intelligence, four had borderline cognitive level, three had mild mental retardation and two had moderate mental retardation. Eight of the ten non-operated patients still experience seizures at follow-up. Cognitive delay was significantly correlated with seizure intensity in the early period, but not with the age of seizures onset, the degree of hemiparesis, or the presence of ongoing seizures. We conclude that high seizure intensity in young patients with Sturge-Weber syndrome is a prognostic marker for mental deterioration.
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Schmitt L, Snyder-Mackler L. Role of scapular stabilizers in etiology and treatment of impingement syndrome. J Orthop Sports Phys Ther 1999; 29:31-8. [PMID: 10100119 DOI: 10.2519/jospt.1999.29.1.31] [Citation(s) in RCA: 50] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Case Reports |
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50 |
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research-article |
61 |
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BUCHTHAL F, ENGBAEK L, GAMSTORP I. Paresis and hyperexcitability in adynamia episodica hereditaria. Neurology 1958; 8:347-51. [PMID: 13541637 DOI: 10.1212/wnl.8.5.347] [Citation(s) in RCA: 47] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Abstract
There exists a spectrum of syndromes characterized by cranial nerve palsies, limb anomalies, and craniofacial malformations. Criteria based on type and severity of limb anomaly or presence or absence of cranial nerve palsy may alter the syndrome nomenclature due to a selection bias but do not appear to benefit syndrome delineation to any extent. Patients with seventh nerve palsy and abduction weakness are usually diagnosed as having Möbius syndrome by ophthalmologists. The observed ocular motility findings range from primarily abduction deficiencies to patients who have a Duane or gaze palsy pattern of horizontal movements. Some cases previously described as "sixth nerve and partial third" may better fall into one of the latter groups, since an isolated adduction deficit as a manifestation of third nerve involvement is rare. The presence of clinical appearance of Duane syndrome in these Möbius-type patients raises the possibility of abnormal innervation of the lateral rectus as an explanation of some patterns of motility observed.
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Review |
36 |
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Sidey JD. Weak ankles. A study of common peroneal entrapment neuropathy. BRITISH MEDICAL JOURNAL 1969; 3:623-6. [PMID: 4309453 PMCID: PMC1984425 DOI: 10.1136/bmj.3.5671.623] [Citation(s) in RCA: 44] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Twenty-three patients were seen with entrapment neuropathy in a two-and-a-half-year period. Symptoms consisted of pain, paresis, and paraesthesia in the distribution of the common peroneal nerve. Some degree of paresis was often present, which in five patients was severe enough to cause drop foot. In 20 patients decompression of the entrapped nerve at the neck of the fibula was quickly and completely successful. It is suggested that the ankle weakness which frequently follows sprains and other forced inversion injuries may often be at least partially due to entrapment of the common peroneal nerve.
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research-article |
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Abstract
Dementia paralytica is a declining disease. Deaths due to it in England and Wales were first recorded by the Registrar General in 1901 and since that year, when the number was 2,272, the annual figure has fallen steadily until in 1957 it was only 68. Moreover, there is evidence (adduced below) that not more than a small part of this decline can be attributed to improvements in medical treatment. The fear that there might be a recrudescence of dementia paralytica as a result of the spread of syphilis during the second world war has not so far been realized and it seems likely that what is now, in Great Britain at all events, an obsolescent disease will soon become a rarity. Yet there are many unsolved problems in its history. We do not know, for example, why the alleged references to this striking disease were so few and so inadequate until the third decade of the nineteenth century. We do not know why its recognition in many countries was so tardy in spite of the clear description given by the French alienists. Nor do we know why the disease, which at the start of the nineteenth century seems to have been predominantly one of males, has gradually—and at different rates in different countries—become much more evenly distributed between the sexes.
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Brugnoletti F, Morris EB, Laningham FH, Patay Z, Pauley JL, Pui CH, Jeha S, Inaba H. Recurrent intrathecal methotrexate induced neurotoxicity in an adolescent with acute lymphoblastic leukemia: Serial clinical and radiologic findings. Pediatr Blood Cancer 2009; 52:293-5. [PMID: 18831032 PMCID: PMC2605174 DOI: 10.1002/pbc.21764] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Systemic and intrathecal methotrexate (MTX) are integral components of acute lymphoblastic leukemia (ALL) therapy, but can be associated with neurotoxicity. We describe here the case of an adolescent male with T-cell ALL who developed recurrent episodes of subacute neurotoxicity characterized by slurred speech, emotional lability, and hemiparesis after intrathecal MTX administration. Serial magnetic resonance imaging with diffusion-weighted imaging showed recurrent areas of restricted diffusion within cerebral hemispheric white matter, which correlated chronologically with the administration of intrathecal therapy and severity of clinical symptoms. Resolution of diffusion abnormalities did not preclude further toxicity and a large lesion could cause persisting symptoms.
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Case Reports |
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25
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53 |
38 |