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Biomedical subjects

J Tichet

Publications and source records attributed to J Tichet.

70 records · Page 4Linked to original sources
PubMed1972

[Glycogenosis].

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Glucosidases↗
PubMedDate not supplied

Serum lipoprotein(a) [Lp(a)] in alcoholic men: effect of withdrawal.

This study examines the effect of alcohol withdrawal on lipoprotein(a) [Lp(a)] in 24 male, middle-aged chronic alcohol abusers admitted for withdrawal therapy. Serum concentration of Lp(a) was determined before and during the first 3 weeks of abstinence. The changes in three sialylated proteins [Lp(a), alpha 1-antitrypsin (alpha 1-AT), and haptoglobin (Hp)] and in desialylated transferrin (CDT) were also determined in 14 patients. After the 3 weeks of withdrawal therapy, the mean and median Lp(a) concentrations increased (p = 0.0001). The changes in Lp(a) levels were not related to the changes in dietary intake nor to the decrease in total HDL, HDL3, HDL2 cholesterol, Apo A-I, and Apo B. In the subgroup of 14 chronic alcohol abusers, Lp(a) levels increased parallel with Hp and alpha 1-AT, whereas CDT decreased. It is concluded that the impact of alcohol on sialylated proteins may be one of the mechanisms responsible for the increase in plasma Lp(a) after alcohol withdrawal.

Adult↗
PubMedDate not supplied

[Larger waist circumference is a predictive factor for the occurrence of microalbuminuria in a non-diabetic population].

Obesity and insulin resistance are directly associated with the presence of microalbuminuria. However, the prospective relationship between abdominal adiposity and the occurrence of micro-albuminuria has been little studied in a non-diabetic population. From the DESIR cohort, we examined whether waist circumference was associated with the incidence of micro-albuminuria at 6 years (D6). The study evaluated 2738 non-diabetic subjects without micro-albuminuria at inclusion who were then followed prospectively. At 6 years, 254 individuals (9.3%) had developed pathological micro-albuminuria (> or =20 mg/l) measured at micturation. In both sexes, the incidence of micro-albuminuria was associated with increased waist circumference and blood pressure, but not with blood glucose levels, lipid parameters or body mass index. Subjects with a higher waist circumference at inclusion were at a higher risk of having micro-albuminuria at 6 years compared to those with a normal waist circumference. Logical regression analysis showed that waist circumference as a continuous value, or greater than 94 cm for males and 88 cm for females, were predictive factors for the incidence of micro-albuminuria, after adjustment for age, hypertension, ACE inhibitor usage, fibrinogen, and blood glucose level. Abdominal adiposity is thus linked in both sexes to the development of microalbuminuria, which underlines the importance of measuring waist circumference when assessing risk factors for renal lesions in non-diabetic hypertensives.

Adiposity↗
PubMedDate not supplied

[Neonatal hypoglycemia due to hyperinsulinism secondary to Langerhans' polyadenomatosis. Recovery after pancreatectomy].

Report of a case of a neonatal hypoglycemia detected at the 11th hour of life, secondary to a Langherans polyadenomatosis in a girl with an hemihypertrophy. Pre- and post-operative tests are reported. In case of neonatal hypoglycemia, the criteria leading to the diagnosis of hyperinsulinism, i.e. the only neonatal hypoglycemia with surgical treatment are reviewed. Except in the case of adenoma, the pancreatectomy should be performed subtotally. The best time for surgery is as soon as the 3rd week, in order to preserve the cerebral development.

Adenoma, Islet Cell↗
PubMedDate not supplied

Android fat distribution by age and sex. The waist hip ratio.

The waist hip ratio, an indicator of upper body fat distribution, is an early sign of atherogenic disease and diabetes risk. The distribution of the waist hip ratio in 18,393 members of the French population aged 17 to 60 years is described according to sex and five year age groups. Men had a higher mean waist hip ratio (0.913 vs 0.791, p < 0.001) and women a higher standard deviation (0.074 vs 0.067, p < 0.001). The distributions overlapped by only 33%. Sex-specific figures show the waist hip dispersion according to age. If this parameter is a reliable clinical indicator in cardiovascular and metabolic epidemiology these descriptive data are essential. They precede the study of possible associations between the waist hip ratio and the risk factors for insulin resistance, atherogenic diseases and diabetes.

Adipose Tissue↗