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Brachial‐ankle pulse wave velocity measured automatically by oscillometric method is elevated in diabetic patients with incipient nephropathy
Author(s) -
Yokoyama H.,
Hirasawa K.,
Aoki T.,
Ishiyama M.,
Koyama K.
Publication year - 2003
Publication title -
diabetic medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.474
H-Index - 145
eISSN - 1464-5491
pISSN - 0742-3071
DOI - 10.1046/j.1464-5491.2003.01043.x
Subject(s) - medicine , albuminuria , pulse wave velocity , creatinine , blood pressure , nephropathy , diabetic nephropathy , cardiology , diabetes mellitus , endocrinology
Aims To examine whether brachial‐ankle pulse wave velocity (baPWV), a possible early marker of atherosclerotic vascular damage, is associated with albuminuria in patients with Type 2 diabetes. Methods BaPWV was measured by automatic oscillometric method in 346 Type 2 diabetic patients with normoalbuminuria (a mean level of three times measurements of albumin‐to‐creatinine (ACR) < 30 µg/mg creatinine; n = 200), incipient nephropathy (a mean level of ACR ≥ 30 and < 300 µg/mg creatinine; n = 119), and clinical nephropathy (a mean level of ACR ≥ 300 µg/mg creatinine; n = 27), and without peripheral vascular disease. Results BaPWV (cm/s) was significantly higher in patients with incipient nephropathy (1722 ± 382) and clinical nephropathy (1763 ± 322) than in patients with normoalbuminuria (1559 ± 343, P < 0.0001, respectively). By univariate analysis it correlated significantly with age ( r = 0.44, P < 0.0001), systolic blood pressure ( r = 0.55, P < 0.0001), diastolic blood pressure ( r = 0.42, P < 0.0001), albuminuria ( r = 0.24, P < 0.0001) and HbA 1C ( r = 0.11, P < 0.05). Albuminuria revealed an independent significant association with baPWV ( P < 0.01) after adjustment for age, sex, smoking, BMI, HbA 1C , hyperlipidemia, and hypertension. Multiple regression analysis showed age, diastolic blood pressure and albuminuria were independently associated with baPWV (adjusted R 2 = 0.42, P < 0.0001). Conclusions The results might indicate a possible link between the pathogenesis of atherosclerosis and diabetic nephropathy. Future studies are needed to clarify the usefulness and its predictable value.