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Biomedical subjects

M Perlman

Publications and source records attributed to M Perlman.

At least 91 records · Page 5Linked to original sources

Prolonged hyperprolactinemia in preterm infants.

Serum PRL levels were followed serially in full term (FT; 39-41 weeks) and preterm (PT; 30-32 weeks) infants, from birth to 12 and 20 postnatal weeks, respectively. Values were higher in FT infants than in PT infants on day 1 after birth (267 +/- 20 vs. 156 +/- 8 ng/ml) but were similar in both by the age of 2-4 weeks (69 +/- 8 vs. 69 +/- 6 ng/ml). Between the ages of 4-12 weeks, the serum PRL in FT infants fell to near adult levels (24 +/- 2 ng/ml), but this fall was seen much later in PT infants, between 12-20 weeks postnatally (23 +/- 2 ng/ml). When values in FT and PT infants were compared at parallel postmenstrual ages in contradistinction to postnatal ages, a similar course of PRL was discernable in both groups. These data may provide indirect evidence for the establishment and maturation of inhibition of PRL secretion (i.e. PRL-inhibitory factor production) postnatally, between 44-52 weeks postmenstrually.

Aging↗

Decreased fetal movements and polyhydramnios.

It was previously demonstrated that in high-risk pregnancies, pronounced reduction of fetal movements until cessation, with audible fetal heart sounds, indicates severe fetal distress and impending death. Immediate delivery is indicated provided the fetus is viable. Three instances of cessation of fetal movements associated with polyhydramnios are reported; the fetuses proved to have malformations lethal for the newborn infant. These cases of polyhydramnios with diminished fetal movements stress the importance of investigating fetal morphology in this condition. Antenatal diagnosis of congenital anomalies may influence decisions about intervening in cases of decreased fetal movements.

Abnormalities, Multiple↗

Amniogenic bands associated with facial dysplasia and paresis.

A case of the amniogenic band syndrome is described with typical digital constriction bands amputations and syndactyly. The amniotic bands were demonstrated macroscopically and histologically, thus establishing the diagnosis. Facial dysplasia and unilateral facial paresis were attributed to undefined mechanical effects following amniotic rupture. In addition, there was evidence of partial umbilical cord compression which did not appear to have affected fetal well-being.

Abnormalities, Multiple↗

Triploidy in man: a clearly recognizable syndrome?

Complete triploidy in a 13-week-old fetus and in a full-term liveborn infant is described. A previous pregnancy of one of the mothers had resulted in a hydatidiform mole. Hydatidiform degeneration of the placenta of triploid abortuses and newborn infants may be responsible for the intrauterine growth retardation and fetal death often observed. Although many phenotypic features are common in triploidy, a review of the literature indicated that a pathognomonic syndrome could not be delineated. Nevertheless, a certain combination of findings may be suggestive of the diagnosis.

Abnormalities, Multiple↗

Detection of renal anomalies by abdominal palpation in newborn infants.

In a new technique of palpation for renal anomalies in the newborn one hand supports the infant while the fingers of the other hand support the loin and the thumb explores the abdomen. In a series of 11 000 otherwise normal newborn children superficial palpation detected 11 renal anomalies, and deep palpation led to the discovery of another 42 anomalies. One of two other series in which palpation was performed bimanually gave a similar incidence of renal anomalies (0-5%). Early discovery of an asymptomatic anomaly enables early treatment of the complications that are often found in patients with congenital renal anomalies detected in later life.

Humans↗

Hydramnion and fetal renal anomalies.

Four instances of hydramnion associated with renal anomalies are reported: two patients had obstructive uropathies and two had a neoplastic type of renal dysplasia. In two infants water concentration tests revealed a defect in water-concentrating ability. It is postulated that the observed hydramnion resulted from fetal polyuria. In patients with unexplained hydramnion a search for renal anomalies is indicated.

Abnormalities, Multiple↗

Neonatal pulmonary hypoplasia after prolonged leakage of amniotic fluid.

The clinical, radiological, and pathological features of the 'oligohydramnios tetrad' (Potter's facies, limb malpositions, pulmonary hypoplasia, and growth retardation) resulting from chronic amniotic fluid leakage are described in 2 infants who died of respiratory failure within 12 hours of delivery. A third infant with a partial form of the syndrome had prolonged respiratory symptoms and survived the neonatal period: the course of the disease and the radiological findings were compatible with a hypothetical diagnosis of partial pulmonary hypoplasia. Pulmonary hypoplasia should be recognized as a cause of chronic respiratory symptoms in viable infants.

Abnormalities, Multiple↗

Familial ureteric bud anomalies.

A family is described in which various renal anomalies occurred. The condition is considered to represent an autosomal dominantly inherited 'instability' of the ureteric bud.

Female↗

Bilateral nephroblastomatosis.

Bilateral nephromegaly with a histological picture of diffuse Wilms' tumor or so-called bilateral nephroblastomatosis is a rare condition. We present an additional case documented by urography. To our knowledge, this is the first report of diffuse nephroblastomatosis recognized at 2 hours of age. A few cases are reported but urographic documentation is available in only 4 of those and in our own. The review of the urographic findings reveals features which seem seem to be nearly pathognomonic of this condition. Urographic appearance similar to that of adult type polycystic disease without the typical radiolucent cysts, should raise the suspicion of a diffuse bilateral process in the kidneys. Exclusion of other infiltrative diseases, like leukemia and glycogen storage disease, should lead to radiologic diagnosis of nephroblastomatosis. Renal biopsy is then indicated.

Humans↗

Blood coagulation status of small-for-dates and postmature infants.

In a prospective study of blood coagulation status in small-for-dates and postmature infants there was often evidence of intravascular coagulation. Abnormal coagulation findings correlated with the degree of growth retardation and with the degree of postmaturity. Macroscopical placental infarction and neonatal polycythaemia were associated with coagulation abnormalities; asphyxia, however, was not. Intravascular coagulation may be an additional hazard to small-for-dates and postmature infants.

Asphyxia↗

Familial non-cystic fibrosis mucus inspissation of respiratory tract.

Perlman, M., Williams, J., Hirsch, M., and Bar-Ziv, J. (1975). Archives of Disease in Childhood, 50, 727. Familial non-cystic fibrosis mucus inspissation of respiratory tract. Two sibs, whose parents are first cousins, have had chronic obstructive airways disease from birth with recurrent otitis media, sinusitis, and mastoiditis. The disease, associated with clinically abnormal mucus, differs from other familial obstructive airways diseases and probably constitutes a new entity.

Airway Obstruction↗