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    Echocardiographic measurements in infants of diabetic mothers and macrosomic infants of nondiabetic mothers
    (WALTER DE GRUYTER & CO, 2005) Demiroren, K; Cam, L; Oran, B; Koc, H; Baspinar, O; Baysal, T; Karaaslan, S
    Aim: To compare echocardiographic findings of infants of diabetic mothers (IDMs), macrosomic infants of nondiabetic mothers and healthy full term appropriate-for-gestational-age (AGA) infants. Methods: Included in this study were 83 infants, admitted to our Neonatology Unit. Thirty-three IDMs, including both macrosomic and nonmacrosomic, comprised Group A, 25 macrosomic infants of nondiabetic mothers comprised group B, and 25 healthy full term AGA infants comprised group C. Echocardiographic measurements were performed in the first,three days after birth and compared by using one-way ANOVA, Post Hoc Tukey HSD and Student's t tests. Results: The left ventricular end-systolic/left ventricular end-diastolic diameter ratio of group A was significantly smaller than that of group C (P<0.05). The interventricular septum/posterior wall thickness ratios of groups A and B were greater than those of group C (P < 0.05). The left ventricular mass index of group A was greater than those of groups B and C (P < 0.05). The shortening fraction and ejection fraction of group A were increased in comparison to group C (P<0.05). When comparing the values of echocardiographic measurements of macrosomic IDMs (n = 9) with nonmacrosomic ones (n=24), and infants of pregestational diabetic mothers (n=11) with those of gestational diabetes mothers (n=22), no statistical difference was found. Conclusion: The present study suggests that underlying mechanisms common to both macrosomic infants of nondiabetic mothers and IDMs lead to less cardiac alterations in the macrosomic infants of nondiabetic mothers than in IDMs.
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    Intracranial hemorrhage due to vitamin K deficiency after the newborn period
    (TAYLOR & FRANCIS INC, 2004) Demiroren, K; Yavuz, H; Cam, L
    This study presents clinical and laboratory findings and outcome of infants with intracranial hemorrhage (ICH) due to vitamin K deficiency after the newborn period, and evaluates vitamin K prophylaxis. The hospital records of 19 infants with a diagnosis of ICH due to vitamin K deficiency after the newborn period, seen in our clinic in less than 4 years, were retrospectively evaluated. The mean age at onset of the symptoms was 49+/-18 days. The most frequent presenting complaints were convulsion (58%), vomiting (47%), and irritability (47%). The most frequent examination findings were coma (74%), fontanel bulging (68%), and absence of pupil reaction (42%). The localizations of the ICHs were as follows: parenchymal (47%), subarachnoid (47%), subdural (42%), and intraventricular (26%). Four patients had used antibiotics and 1 patient had suffered diarrhea before the onset of the symptoms. One patient had a mild hepatic dysfunction that resolved spontaneously in a few weeks and its cause was not found. Mortality was observed in 6 (32%) patients. Ten patients were followed up for a mean period of 26.9+/-22.6 months. The follow-up findings were developmental delay (40%), microcephaly (30%), epilepsy (30%), blindness (20%), strabismus (20%), spastic tetraparesis (10%), spastic hemiparesis (10%), growth retardation (10%), and hydrocephaly (10%). Three (30%) patients remained neurologically normal. Vitamin K deficiency leads to death and neurological defects. Vitamin K prophylaxis at birth is therefore a priority. In this series, hepatic dysfunction had been detected in only 1 patient. The authors speculate that additional vitamin K to breast-fed infants with liver problem, antibiotic use, diarrhea, etc. should be considered.