Cholesteryl ester transfer protein (CETP) is a key protein involved in high-density lipoprotein cholesterol (HDL-C) metabolism. It is known to affect plasma HDL-C levels, and its genetic regulation may be involved in the development of coronary artery disease (CAD). The aim of this study was to determine the frequency of the CETP Taq1B polymorphism in Koreans, and to investigate its relationship with plasma HDL-C levels and CAD. One-hundred and nineteen patients with significant CAD and 106 controls were examined with respect to their genotypes, lipid profiles and other risk factors of CAD. The genotype frequencies of B1B1:B1B2:B2B2 in males and females were 35.5%:50%:14.5% and 34.7%:42.6%:22.7%, respectively, which is comparable to previous reports in other ethnic groups. The B1B1 homozygote was associated with significantly lower HDL-C levels in females (p = 0.049) and non-smoking males (p = 0.037). After controlling for gender, body mass index (BMI) and smoking, the TaqIB polymorphism was still significantly associated with HDL-C levels (p = 0.046) and explained 5.4% of the HDL-C variation in this study. By univariate analysis, the B1B1 homozygote was a significant predictor of CAD (p = 0.043), and this was confirmed by multivariate analysis with traditional risk factors, i.e. the B1B1 homozygote was an independent predictor of CAD (p = 0.026, odds ratio = 1.97, 95% confidence interval: 1.08-3.57). In conclusion, the B1B1 homozygote of the CETP Taq1B polymorphism is associated with low HDL-C levels in females and non-smoking males, and may be an independent genetic risk factor of CAD in the Korean population.
We present the sonographic findings of a fetus with a vesicoallantoic cyst. The cyst was first identified at 17 weeks of gestation; it was associated with an omphalocele, and disappeared spontaneously at 29 weeks. The fetal urinary bladder was not visualized thereafter. An omphalocele and exstrophia of the urachus were found at birth and repaired. Non-visualization of the fetal urinary bladder suggested rupture of the covering membrane of the omphalocele and allantois during fetal life. A defect in the wall of the omphalocele supported our hypothesis.
Eleven patients with adult Hirschsprung's disease were treated at Seoul National University Hospital (SNUH, 8 cases) and Chosun University Hospital (CUH, 3 cases) between 1985 and 1992. Of the 11 patients, seven were male. The age of the patients ranged from 11 to 30 years, and all presented with chronic constipation and recurrent faecal impactions that required periodic enemas and laxatives. The Duhamel's operation, as a single or staged procedure, was performed in all patients. Levels of aganglionosis in 9 patients were confined to the rectosigmoid colon (82%). There were three major post-operative complications. Two patients developed fistula-in-ano at the anastomotic site, and one patient developed ileus. However, these complications resolved with conservative management. The longterm results were excellent except for one patient who developed impotence. The mean frequency of bowel movements was usually once or twice a day without the aid of other treatments. Our results indicate that Duhamel's operation is a highly acceptable procedure in the management of adult Hirschsprung's disease.
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