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1.
Article Dans Anglais | IMSEAR | ID: sea-94911

Résumé

AIM : To assess platelet activation in south Indian type 2 diabetic subjects with and without CAD. METHODS : Four groups of subjects were studied; Group 1 comprised of non-diabetic subjects without coronary artery disease (CAD) (n = 30). Type 2 diabetic subjects without CAD formed Group 2 (n = 30); Group 3 comprised of type 2 diabetic subjects with CAD (n = 30) and Group 4 consisted of non- diabetic subjects with CAD (n=14). CAD was diagnosed based on coronary angiographic evidence of severe double or triple vessel disease. Platelet activation was tested after an overnight fast in blood obtained from a bleeding wound at 1 minute post-incision (wound-induced activation) as well as venous blood stimulated in vitro with collagen, using whole blood flow cytometry. In subjects with CAD, aspirin was withdrawn for 7 days and nitrates for 24 hours. RESULTS: Collagen induced GP IIb/IIIa binding was significantly higher among diabetic subjects with (28.10 +/-19.89; p<0.05) and without CAD (21.02+/-19.62; p<0.05) and non-diabetic subjects with CAD (23.89+/-15.65; p<0.05) compared to non-diabetic subjects without CAD (11.69+/-13.69). Regression analysis showed collagen induced GP IIb/IIIa binding to be significantly associated with CAD [odds ratio (OR): 1.029, p = 0.025] and diabetes (OR: 1.037, p = 0.007). CONCLUSION: Increased platelet activation is seen in urban south Indians with diabetes and CAD.


Sujets)
Sujet âgé , Asiatiques , Maladie des artères coronaires/sang , Diabète de type 2/sang , Humains , Inde/épidémiologie , Adulte d'âge moyen , Activation plaquettaire , Population urbaine/statistiques et données numériques
2.
Article Dans Anglais | IMSEAR | ID: sea-88707

Résumé

BACKGROUND AND OBJECTIVE: Despite the growing evidence on the benefits of self-monitoring in diabetes, the use of these meters has been low in developing countries, particularly India. Cost seems to be the major constraint. The aim of the present study is to evaluate the accuracy of One Touch HORIZON an affordable glucose meter with laboratory assessment of blood glucose. METHODS: 100 subjects with diabetes over the age of 18 years were recruited from the MV Diabetes Specialities Centre, Chennai. All the study subjects had their fasting blood tested for glucose in One Touch HORIZON by finger prick. Fasting blood glucose was also assessed in YSI 2300 STATPLUS (Yellow Springs Instruments, Ohio, USA) glucose analyzer. The Parke's Error Grid model was used to assess the accuracy of the meter against YSI plasma glucose values. RESULTS: Of the total 100 study subjects, 97 were Type 2 diabetic subjects and three were Type 1 diabetic subjects. 62% of the study subjects were males. 89% did not perform SMBG and only 2% of the diabetic subjects performed SMBG daily. The Parke's Error Grid analysis revealed 97% of results to be in Zone A when patient performed the test, 99 - 100% in Zone A when clinical staff performed the test indicating excellent accuracy and precision. CONCLUSION: One Touch HORIZON meter is an affordable meter with good accuracy and precision, specifically designed to cater to the needs of diabetic patients in developing countries.


Sujets)
Adulte , Sujet âgé , Sujet âgé de 80 ans ou plus , Autosurveillance glycémique/instrumentation , Diabète de type 1/sang , Diabète de type 2/sang , Études d'évaluation comme sujet , Femelle , Humains , Mâle , Adulte d'âge moyen , Reproductibilité des résultats
3.
Indian Heart J ; 2001 Jan-Feb; 53(1): 44-7
Article Dans Anglais | IMSEAR | ID: sea-3801

Résumé

BACKGROUND: Asian Indians are reported to have a very high prevalence of premature coronary artery disease. However, traditional risk factors do not explain this excess of coronary artery disease. Elevated levels of homocysteine are reported to be associated with coronary artery disease among Europeans. This study looked at the association of serum homocysteine levels with coronary artery disease in South Indians. METHODS AND RESULTS: Four groups of patients were studied: Group 1 consisted of healthy nondiabetic subjects without coronary artery disease (n=18): Group 2 consisted of nondiabetic subjects with coronary artery disease (n=21); Group 3 consisted of type 2 diabetic patients without coronary artery disease (n=18) and Group 4 consisted of type 2 diabetic patients with coronary artery disease (n=20). The mean homocysteine value was 12.4+/-3.4 micromol/L in Group 1; 12.6+/-4.6 micromol/L in Group 2; 10.1+/-4.4 micromol/L in Group 3; and 10.4+/-3.9 micromol/ L in Group 4. There was no significant difference in the homocysteine levels between the groups studied. The prevalence of hyperhomocysteinemia, defined as a level of 17.1 micromol/L (the 95th percentile for serum homocysteine in the control group) was not significantly different among the groups. CONCLUSIONS: Elevated serum homocysteine levels are not associated with coronary artery disease in South Indian male subjects with or without diabetes. However, the results must be interpreted with caution because of the small numbers studied.


Sujets)
Maladie coronarienne/sang , Angiopathies diabétiques/génétique , /génétique , Homocystéine/sang , Humains , Inde/épidémiologie , Mâle , Adulte d'âge moyen
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