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Biomedical subjects

A L Prensky

Publications and source records attributed to A L Prensky.

10 recordsLinked to original sources
PubMed1979

Diagnosis and treatment of migraine in children.

We here enumerate criteria that we believe are suitable for the diagnosis of migraine in children. Using these criteria, we identified 84 children retrospectively, and studied their illness for 3 to 9 years thereafter. The majority were male, and 47 patients had frontal headaches. EEGs were performed in 64 children: 17 were paroxysmal, but 7 patients never developed seizures. Referral to a neurologist occurred when there was a marked increase in the frequency or severity of headaches. Irrespective of the form of treatment, about one-half of all patients had more than a 50% reduction in headache frequency in the 6 months following their initial visit to a neurologist.

Adolescent↗
PubMed1979

Radionuclide imaging in subacute sclerosing panencephalitis.

Three patients with subacute sclerosing panencephalitis (SSPE)--two with acute disease and one with an exacerbation--had abnormal radionuclide brain scans during periods of rapid neurologic deterioration. In two of the three patients radionuclide brain scan showed lesions of both cortex and deeper structures, indicating the panencephalic nature of the disease. There was no contrast enhancement on computerized tomography (CT) in the areas of radiopharmaceutical accumulation in the two patients studied. We feel that delayed radionuclide scanning is more sensitive in detecting acute SSPE than routine contrast-enhanced CT, because more time is allowed for tracer accumulation in lesions and for background activity to decrease.

Adolescent↗
PubMed1978

Total blindness after trivial frontal head trauma: bilateral indirect optic nerve injury.

A 10-year-old girl developed bilateral blindness and partial third nerve paresis immediately following a closed head injury. Bilateral optic atrophy developed subsequently. This is the first report of an association between second and third nerve injuries after minor head trauma in the absence of a preexisting lesion. The pathophysiology of indirect injury to the optic nerve under these circumstances is uncertain, but the lesions in this patient seemed to be due to ischemia.

Blindness↗
PubMed1976

Hartnup disease. Clinical, pathological, and biochemical observations.

Hartnup disease is a rare genetic disorder of amino acid transport associated with variable and intermittent clinical abnormalities. A family is described in which three siblings had an intermittently progressive neurological disease and two of the affected siblings had the Hartnup-pattern aminoaciduria. Neuropathological examination of one case showed severe diffuse atrophy, generalized neuronal loss in the cortex, and Purkinje cell loss in the cerebellum. In vivo and in vitro studies of intestinal amino acid transport in the surviving sibling indicated a partial defect in the transport of several neutral amino acids (tryptophan, alanine, serine, and methionine) with normal transport of other neutral amino acids (threonine, phenylalanine, histidine, tyrosine, and isoleucine). Transport of glycine, proline, hydroxyproline, and the basic amino acids appeared normal.

Adolescent↗
PubMed1976

A follow-up study of Sydenham's chorea.

Twenty-five patients convalescing from Sydenham's chorea were contrasted by clinical examination, electroencephalograms, and psychometric and psychologic tests to 15 siblings and 20 matched rheumatic fever controls. A group of 10 postchoreic patients who had two or more signs could be identified. Patients in this group had all the signs classified as moderate or severe, performed less well than other choreic subjects on the Bender gestalt test, and had a higher percentage of abnormal electroencephalograms but not a higher incidence of behavioral disorders. This subgroup could not be predicted from a review of neurologic history or from analysis of the acute episode of chorea. Our data would suggest that uncomplicated Sydenham's chorea is not necessarily a benign self-limited affliction of the central nervous system and that some patients are left with definite, albeit minimal, neurologic residua.

Adolescent↗