Mehmet Y. Dincsoy

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One hundred and eight "exchange" blood transfusions were done on 61 newborn infants. Baseline serum PTH concentrations and the PTH rise in response to citrate-induced hypocalcemia were studied. Baseline PTH values increased with postnatal age, particularly after the first three days of life. The acute response of PTH to citrate-induced hypocalcemia appears(More)
We report on two sibs, born to consanguineous parents, with defects of the midline including cleft lip and palate, flat nose, hypotelorism, and dysgenesis of corpus callosum, in addition to short limbs, radiolucent tibial notch, digital anomalies, ambiguous genitalia, and hypopituitarism. In spite of the similarities between this condition and the(More)
Perinatal stress may induce a surge of hormonal responses which includes the thyroid hormones. Information is inadequate with regard to the surge of thyroid hormones at the time of delivery as it relates to the type of CS. We studied 33 motherinfant pairs who had elective (E) or primary (P) CS. The infants studied had (x) gestational age of 38.0 wk. All(More)
Four cases of phrenic nerve paralysis complicating chest tube placement in the newborn for pneumothorax are presented. This complication is related to abnormal location of the medial end of the chest tube. It is suggested that on the frontal chest radiograph, the medial end of the chest tube should be no less than 1 cm from the spine.
It is generally expected that the second-born twin may have an acute distress due to the adverse effects of intrapartum period and the small twin is usually a subject for intrauterine chronic distress which may both lead to an intracranial bleed. We studied 21 pairs of low birth weight (LEW) twin pregnancies to see whether the incidence and severity of US(More)
Since there is a relationship between prostaglandin metabolism, Se and glutathione peroxidase (GSH-PX), and diabetics are reported to have low levels of Se and prostacyclin, we have wondered whether some of the problems which occur in IDM (cardiomyopathy and persistent fetal circulation) might be related to Se deficiency. We studied Se in whole blood of IDM(More)
The effect of sex on perinatal mortality is well known and morbidity has been under investigation. Higher incidence of periventricular hemorrhage (PVH) in males has been reported by others. On the basis of a first cranial ultrasound (US) examination, the following sex distribution was found in this study of 59 LBW infants which was designed to examine the(More)
In a comparative study of 93 small-for-gestational-age (SGA) infants against 93 weight-matched, appropriate-for-gestational-age (AGA) neonates, the SGA group exhibited a significantly lower incidence of periventricular-intraventricular type intracranial hemorrhage (ICH) at the first ultrasound scan than did the AGA neonates (9/93 vs 21/93; p less than(More)
Although the subependymal-intraventricular hemorrhage (SE-IVH) occurs frequently in LBW infants and in infants with multiple perinatal problems including RDS, it is not clear whether the use of VA has a direct relationship to SE-IVH. We studied 65 LBW infants with a birth weight (mean±SD) of 1486±567 gm, gestational age of 31.9±3.9 wks, 1 and 5 minute Apgar(More)
The supression of neonatal PTH by calcium has not been studied. Theoretically, decreased neonatal parathyroid glandular response to hypocalcemia may be associated with decreased PTH response to hypercalcemia. In 29 “exchange” transfusions (ET) with citrated blood in 25 neonates, we studied the supressibility of PTH from Ca bolus at the 100ml mark of ET.(More)