Cardiac growth in fetuses of diabetic mothers with good metabolic control
To evaluate cardiac growth in fetuses of those diabetic mothers with good metabolic control, we examined M-mode echocardiographic measurements obtained from 24 fetuses of diabetic mothers (FODM) and compared these with measurements from 31 normal fetuses of similar gestational age. Fetuses were grouped into three gestational periods: 20 to 26 weeks, 27 to 33 weeks, and 34 to 40 weeks. The mothers were believed to have good metabolic control on the basis of mean daily glucose profiles and glycosylated hemoglobin A (HbA1C) values of approximately 110 mg/dl (610 mumol/L) and 7.5%, respectively, before fetal scanning, and estimated fetal weight similar to that of normal fetuses during all three gestational periods. Both FODM and normal fetuses had significant increases in M-mode measurements from period 1 to period 3, but in FODM, cardiac hypertrophy developed by late gestation (period 3). This involved the interventricular septum (6.1 +/- 0.7 vs 4.9 +/- 0.3 mm, p less than 0.05), right ventricular free wall (5.7 +/- 0.8 vs 3.2 +/- 0.3 mm, p less than 0.01), and left ventricular free wall (6.4 +/- 0.6 vs 3.3 +/- 0.4 mm p less than 0.01). The interventricular septum/right ventricular free wall ratio was similar, whereas the interven...Continue Reading
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Cardiomegaly, known as an enlarged heart, is a multifactorial disease with different pathophysiological mechanisms. Hypertension, pregnancy, exercise-induced and idiopathic causes are some mechanisms of cardiomegaly. Discover the latest research of cardiomegaly here.