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Biomedical subjects

R Weitz

Publications and source records attributed to R Weitz.

At least 91 records · Page 5Linked to original sources
PubMed1982

Unilateral hydrocephalus due to obstruction of the foramen of Monro: another complication of intrauterine mumps infection?

Unilateral hydrocephalus due to foramen of Monro-obstruction was diagnosed in a newborn who presented with macrocephaly at birth. The mother had mumps in the second trimester of pregnancy and immunological studies indicated possible intrauterine infection of the baby with mumps virus. His condition deteriorated rapidly, and he developed myoclonic seizures. The possible relationship of intrauterine mumps infection to neonatal neurological complications is discussed.

Cerebral Ventricles↗
PubMed1981

A possible role for aspartic acid in neonatal seizures.

Aspartic acid concentration in CSF was markedly elevated in a newborn infant with severe, intractable seizures. The levels of all other amino acids in blood, urine, and CSF were within the normal range. Two of the six other siblings in this consanguineous family died in early infancy of a similar condition. Since aspartic acid is a putative excitatory neurotransmitter, a possible causal relationship is suggested between its increased CSF concentration and the occurrence of neonatal convulsions in this family.

Animals↗
PubMed1980

Hereditary renal hypouricemia. Isolated tubular defect of urate reabsorption.

A consanguineous Iraqi Jewish kindred is presented in which asymptomatic and apparently benign hypouricemia, secondary to an isolated renal defect, segregates as an autosomal recessive trait affecting four of eight siblings. The 8-year-old proband was ascertained during an evaluation for an apparently unrelated inherited neurologic disorder with which an older normouricemic sibling was also affected. Urate clearance in three affected siblings was 22.6, 35.2, and 60.8 ml/minute, while that in normouricemic siblings was 8.6 to 10.6 ml/minute. Pyrazinamide administration to one affected sibling reduced the urate clearance from 61 to 14.7 ml/minute. A recessively inherited single gene lesion producing a tubular defect is postulated; the exact site(s) is uncertain.

Adolescent↗
PubMed1979

[Not Available].

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France↗
PubMed1979

[Not Available].

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Academies and Institutes↗
PubMed1977

Intrauterine chronic subdural hematoma.

We discuss a newborn delivered by elective cesarean section who had macrocephaly with severe anemia. The anemia was corrected by exchange transfusion, and the infant, at first, appeared stable but manifested poor feeding and seizures. Transillumination of the skull was negative, although the anterior fontanel was tense. Computerized tomography demonstrated mild hydrocephalus and suggested subdural fluid. Bilateral subdural taps yielded fluid typical for chronic subdural hematoma. To our knowledge, this is the first documented case of intrauterine subdural hematoma developing in the absence of trauma. An analogy is made to the pathogenesis of subdural hematoma after rapid decompression of the ventricular system by shunting procedures for obstructive hydrocephalus.

Chronic Disease↗
PubMed1976

Height and weight of children born to mothers with diabetes mellitus.

Height and weight measurements in a group of 55 children born to mothers with juvenile, adult-onset or gestational diabetes mellitus showed that the children born to parents of European or American origin were taller than average. The talles children were those born to mothers with juvenile diabetes mellitus. The distribution of weight-height indexes followed a normal pattern.

Adolescent↗