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Biomedical subjects

A L Chesson

Publications and source records attributed to A L Chesson.

24 records · Page 2Linked to original sources

Postictal elevation of serum creatine kinase level.

Serial serum creatine kinase (CK) level determinations were performed on selected patients for six days following tonic-clonic or focal motor seizures in a prospective study. The time course and magnitude of serum CK elevation was correlated with seizure CK level was observed in all patients. Isoenzyme determinations revealed that CK was derived from skeletal muscle. Our data demonstrate that profound elevations of serum CK level may occur postictally and appear to be related to the intensity of muscular activity. patients with seizures associated with alcohol abuse had the greatest postictal serum CK level increases.

Adult↗

Aphasia following a right thalamic hemorrhage.

A left-handed patient with a right thalamic hemorrhage and disordered speech is described. Sequential examinations and aphasia testing were done during a 1-year follow-up period and the results are reported. This case supports those authors who have described characteristics they feel are helpful in diagnosing disordered speech associated with thalamic lesions. Paucity of speech, reduced voice volume, anomia, some paraphasia, and severe dysgraphia were present, but comprehension and repetition were relatively preserved. She showed modest improvement with time. This case also confirms that thalamic involvement in speech is a dominant, rather than a specifically left hemispheric function.

Aged↗

Biphasic periodic paralysis.

A young man with episodes characteristic of familial normokalemic periodic paralysis was restudied after a change in the nature of his attacks. He now has spontaneously occurring and provokable episodes of both hyperkalemic and hypokalemic periodic paralyses that are superimposed on a persistent myopathy. Hypokalemia seems to be associated with facilitated entry of glucose and potassium into muscles, whereas resistance to glucose and potassium entry accompanies hyperkalemia. The possibility that episodes of both hypokalemic and hyperkalemic weaknesses can occur in one person should be considered in pathogenic postulates regarding periodic paralysis.

Adult↗

Giant axonal neuropathy: possibly secondary to vitamin b12 malabsorption.

A giant axonal neuropathy is described in an adult with no evidence of a childhood onset of his disease and no history of exposure to toxic hydrocarbons. A causal relation to vitamin B12 malabsorption is proposed. This case suggests the need to expand the spectrum of diagnoses that must be considered when giant axons are encountered in peripheral nerve biopsy specimens.

Axons↗