Impact of Joint National Committee VII recommendations on diabetic microvascular complications.
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Date
2004-11-24
Authors
Viswanathan, V
Snehalatha, C
Kumutha, R
Nair, B Mamtha
Ramachandran, A
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Abstract
AIMS AND OBJECTIVE: To determine the impact of the Seventh Report of the Joint National Committee recommendations on microvascular complications in South Indian type 2 diabetic patients.
MATERIAL AND METHODS: In this study, 457 type 2 diabetic patients and 500 age-matched healthy control subjects, with no history of hypertension were enrolled. Based on blood pressure measurements, they were assigned as Group I: Normal (SBP < 120 and DBP < 80 mmHg); Group II: Prehypertension (SBP 120-139 or DBP 80-89 mmHg); Group III: Stage I hypertension (SBP 140-159 or DBP 90-99 mmHg) and Group IV: Stage II hypertension (SBP > or = 160 or DBP > or = 100).
RESULTS: Blood pressure readings in controls and diabetics were: normal in 46.8% and 16.2% (chi2 = 101.1, p < 0.0001), prehypertension in 33.2% and 52.5% (chi2 = 35.7, p < 0.0001), stage I hypertension in 15.2% and 26.3% (chi2 = 17.3, p < 0.0001), stage II hypertension in 4.8% and 5% respectively. Prevalence of retinopathy increased with increasing incidence of hypertension (trend chi2 = 10.7, p < 0.01). In the multivariate analysis, cholesterol was associated with prehypertension, and cholesterol and family history of hypertension were associated with stage I hypertension. Albuminuria, family history of hypertension and serum triglycerides were associated with stage II hypertension.
CONCLUSION: More than half of the diabetic subjects were prehypertensives. As expected prevalence of other complications increased with increasing levels of blood pressure. This emphasizes the need to have regular check up for hypertension to reduce the morbidity from other complications.
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Viswanathan V, Snehalatha C, Kumutha R, Nair BM, Ramachandran A. Impact of Joint National Committee VII recommendations on diabetic microvascular complications. Journal of the Association of Physicians of India. 2004 Nov; 52(): 873-6