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Biomedical subjects

Sharon Loomis

Publications and source records attributed to Sharon Loomis.

2 recordsLinked to original sources

Multiple sclerosis and spasticity.

Spasticity is a common impairment in MS. It can result in significant medical complications and is associated with increased disability. Treatment strategies include skilled rehabilitation strategies, neuromuscular blocks, oral agents, intrathecal management, and surgery. Rehabilitation strategies are central, whereas other strategies are added based on the level of impairment and functional loss. Treatment strategies for spasticity management are far from optimal and are complicated in MS as a result of lesions in the brain and the spinal cord. Pharmaceutical management in MS is complicated by the numerous secondary impairments in MS and its associated polypharmacy.Head-to-head studies of the various agents are rare. The studies that exist are small and do not point to any one strategy over another. Although management is difficult, it is essential for the health, functional status, and well-being of the individual who has MS. Providers must use well-developed clinical skills to arrive at optimal individualized treatment programs and monitor them frequently. For spasticity that is unresponsive, referral to a MS Center with a spasticity program is ideal.

Exercise Therapy↗

Progressive neurodegenerative disease in presumed spinal cord injury: case report of a patient with prion disease.

BACKGROUND: Prion diseases or transmissible spongiform encephalopathies (TSEs) are neurodegenerative syndromes caused by proteinaceous infectious particles (or "prions"), are fatally progressive, and affect humans and animals. Human prion disease may be familial, sporadic, or due to iatrogenic causes. The signs and symptoms include dementia, ataxia, myoclonus, dysautonomia, pyramidal and extrapyramidal tract signs, and akinesia. The incubation period of iatrogenic TSE ranges from 15 months to 30 years, and clinical presentations may be atypical. DESIGN: Case report. FINDINGS: This article presents the case study of a 39-year-old man who fell at work and subsequently complained of subjective lower extremity weakness, followed by onset of ataxia, bowel and bladder incontinence, and progressive decline in ambulation over 6 months. In the absence of a unifying diagnosis, the patient was presumed to have had a spinal cord injury (SCI). Because neuro-axis imaging studies failed to explain his symptoms, the patient's complaints were thought to have a large psychologic component. The patient then developed neurologic abnormalities proximal to the presumed SCI. Somatosensory evoked potentials were suggestive of a thoracic or lumbar cord myelopathy and cerebrospinal fluid analysis was suggestive of prion disease. Family members eventually revealed that the patient had had injections of growth hormones derived from cadaveric human pituitary glands as a child. Postmortem brain examination later revealed definitive Creutzfeldt-Jakob disease.

Adult↗