Mielinolisis central pontina, una rara afeccion vinculada al sodio. A mielinolise pontina central mpc e uma doenca desmielinizante aguda causada por oscilacoes abruptas na osmolalidade serica, resultando em desmielinizacao simetrica da parte central da base da ponte. It is predominately iatrogenic treatmentinduced, and is characterized by acute paralysis, dysphagia difficulty swallowing, dysarthria difficulty speaking, and other neurological symptoms. Discussion central pontine myelinolysis cpm was described by. Central pontine myelinolysis cpm is a rare disorder characterized by symmetrical demylinating lesions in the central pons with relative sparing of neuronal cell bodies and axons.
Mielinolisis central pontina tras sindrome neuroleptico maligno sr. Central pontine myelinolysis cpm is a neurological disorder that most frequently occurs after too rapid medical correction of sodium deficiency hyponatremia. Clinical evolution of central pontine myelinolysis in a. Marked clinical recovery occurred despite persistent radiologic abnormalities. Initial signs and symptoms appear within two to three days and include a depressed level of awareness, difficulty speaking, and difficulty swallowing. Files are available under licenses specified on their description page. Central pontine myelinolysis information page national. Central pontine myelinolysis cpm is a neurological condition involving severe damage to the.
It has been decades since the disease has been identified, still development of treatment is undergoing. Dosing, administration, and a treatment algorithm for use. Electrolyte levels have remained satisfactory and a gradual neurological improvement has been noted. Central pontine myelinolysis cpm is now more commonly referred to as osmotic demyelination syndrome, which recognizes that the same phenomenon is also seen in other areas of the brain previously known as extrapontine myelinolysis.
Ocorre esporadicamente em todas as idades 35, acomete os dois sexos igualmente e sua incidencia exata e desconhecida 4. Unidad 17 intoxicaciones alimentarias a agentes quimicos. Whether diffusionweighted imaging dwi might facilitate an earlier diagnosis has not yet been studied systematically. It is a condition most frequently related to rapid correction of hyponatremia. Central pontine myelinolysis is considered to require emergent attention once suspected or diagnosed. Waubant biomarkers indicative of bloodbrain barrier disruption in multiple sclerosis brain parenchyma from abrupt metabolic changes and by maintaining apicodorsal polarity. Value of diffusionweighted imaging in central pontine and. Pdf central pontine myelinolysis is a demyelinating lesion in the basis pontis which in most cases is caused by a rapid correction of hyponatremia. Waubant biomarkers indicative of bloodbrain barrier disruption in multiple sclerosis 237 table 1 adhesion molecules and their ligands involved in diapedesis modi. Mielinolisis central pontina tras sindrome neuroleptico. Mielinolisis pontina central e hiponatremia perioperatoria.
Also known as osmotic demyelination syndrome ods, pm. Behavioral manifestations of central pontine myelinolysis. As such the condition is described in the osmotic demyelination syndrome article. Netrin1 and slit2 regulate and direct neurite growth of. Central pontine myelinolysis symptoms, treatment and prognosis. Additional lesions occur in about 10% of patients, usually in the basal ganglia, thalamus, internal capsule, cerebellum, and spinal cord. Netrin1 and slit2 regulate and direct neurite growth of ventral midbrain dopaminergic neurons ling lin,a, yi rao,b and ole isacsona, aneuroregeneration laboratories, mailman research center, harvard medical schoolmclean hospital, 115 mill street, belmont, ma 02478, usa. The condition has been described as universally fatal. A holistic approach in the treatment course should be provided in order to attain recovery. Any information contained in this pdf file is automatically generated from digital. Following transfer to the ward she made a steady recovery with the aid of adequate nutrition and physiotherapy. The rapid rise in sodium concentration is accompanied by the movement of small molecules and pulls water from brain cells. Psychogenic polydipsia excessive fluid seeking behaviour pdf.
Central pontine myelinolysis genetic and rare diseases. Mielinolisis central pontina en trasplante hepatico. The original patient population included only chronic alcoholics. Surgical intervention in the central nervous system is typically restricted to patients who have either not benefitted from more conservative interventions, or for whom no other intervention is appropriate. The part of the brain called the pons is especially sensitive and too much sodium can damage nerve fibers. Central pontine myelinolysis occurs most often as a complication of treatment of patients with profound, lifethreatening hyponatremia low sodium and is a consequence of a rapid rise in serum tonicity following treatment in individuals with chronic, severe hyponatraemia who have made intracellular adaptations to the prevailing hypotonicity. Aug 30, 2012 central pontine myelinolysis cpm and extrapontine myelinolysis epm are rare neurological disorders characterized by demyelination in andor outside the pons. All structured data from the file and property namespaces is available under the creative commons cc0 license. Chronic alcoholism associated cpm tends to be benign with a favorable prognosis compared to cpm secondary to rapid correction of hyponatremia. Marsel mesulam, md \sb\a young woman with a clinical history and magnetic resonance imaging scan consistent with central pontine myelinolysis came to medical attention because of prominent behavioral symptoms. Currently, the most widely accepted procedure is selective dorsal rhizotomy. Biomarkers indicative of bloodbrain barrier disruption in.
A good prognosis of central pontine myelinolysis in a type ii diabetic patient dear editor, central pontine myelinolysis cpm is an osmotic demyelination syndrome that is typically associated with hyponatremia or the rapid correction of hypernatremia. The selectively permeable bbb is rapidly responsive to physiological and pathological stimuli and plays a key role in main. A good prognosis of central pontine myelinolysis in a type ii. This condition, however, has also been found in the malnourished, transplant recipients, or chronically debilitated patients,in particular, those in whom electrolyte. Central pontine myelinolysis cpm, a potentially fatal and debilitating neurological condition, was first described in 1959 in a study on alcoholic and malnourished patients. Parkinsonism and recovery in central and extrapontine. What links here related changes upload file special pages permanent link page information wikidata item cite this page. Serial brain imaging is of value because a substantial proportion of patients have normal findings on initial mri. Leucemia mieloide cronica e neoplasie mieloproliferative croniche ph negative i tumori ematologici. Mar 27, 2019 central pontine myelinolysis cpm is a neurological disorder that most frequently occurs after too rapid medical correction of sodium deficiency hyponatremia. Central pontine myelinolysis with entapment syndrome associated with hypovitaminosis abstract central pontine myelinolysis cpm is a noninflammator y demyelinating disease characterized by destruction of the myelin sheaths level of the pons. Central pontine myelinolysis cpm is a neurological disorder that most frequently occurs when sodium deficiency is treated too rapidly.
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