Abstract:
BACKGROUND:Pulse pressure (PP) increases with age as a result of arterial stiffening and is a powerful predictor of cardiovascular disease. Type 1 diabetes is associated with excessive cardiovascular mortality and increased arterial stiffness. We examined whether the age-related blood pressure changes in type 1 diabetic patients differ from those of the nondiabetic METHODS AND RESULTS:We performed a cross-sectional, case-control study of 2988 consecutively selected diabetic subjects and 5486 randomly selected nondiabetic control subjects. Blood pressure was measured twice by mercury sphygmomanometry on a single occasion. Compared with controls, diabetic subjects had a higher systolic blood pressure in all age groups, whereas diastolic blood pressure was higher in those <40 years but lower in those >45 years of age. Consequently, diabetic subjects had a higher PP and a higher prevalence of isolated systolic hypertension. The early age-related rise in PP was more pronounced in subjects with diabetic nephropathy but was also evident in diabetic subjects with normal albumin excretion rate. In a multiple regression analysis, PP in diabetic patients was associated with age, male sex, duration of diabetes, and albuminuria. CONCLUSIONS:A higher systolic pressure and an earlier decrease in diastolic pressure result in a higher and more rapidly increasing PP in type 1 diabetic patients. Our findings indicate accelerated arterial aging, which may contribute to the higher cardiovascular morbidity and mortality in these patients.
journal_name
Circulationjournal_title
Circulationauthors
Rönnback M,Fagerudd J,Forsblom C,Pettersson-Fernholm K,Reunanen A,Groop PH,Finnish Diabetic Nephropathy (FinnDiane) Study Group.doi
10.1161/01.CIR.0000139903.29522.8Dsubject
Has Abstractpub_date
2004-08-31 00:00:00pages
1076-82issue
9eissn
0009-7322issn
1524-4539pii
01.CIR.0000139903.29522.8Djournal_volume
110pub_type
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