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Microalbuminuria and abnormal ambulatory blood pressure in adolescents with type 2 diabetes mellitus.

Ettinger LM, Freeman K, DiMartino-Nardi JR, Flynn JT

Division of Pediatric Nephrology, Children's Hospital at Montefiore, Bronx, New York 10467, USA.

OBJECTIVE: To determine whether risk factors for cardiovascular disease and diabetic nephropathy, as evidenced by abnormalities of ambulatory blood pressure (ABP), dyslipidemia, and microalbuminuria (MA), are present in adolescents with type 2 diabetes mellitus (T2DM). STUDY DESIGN: We enrolled 26 minority adolescents recently diagnosed with T2DM and 13 obese control subjects without diabetes mellitus. ABP monitoring was performed, and a 24-hour urine, a fasting lipid profile, blood urea nitrogen, creatinine, homocysteine, and hemoglobin A 1 c levels were obtained. The patients with T2DM underwent echocardiograms. RESULTS: Forty percent of the patients with T2DM had MA (> or = 30 mg of microalbumin/day), compared with none of the control subjects ( P < .05). There were no significant differences between patients with T2DM who had MA and patients with T2DM who didn't have MA in demographics, characteristics, casual BP, echocardiographic findings, and hemoglobin A 1 c levels. Average daytime systolic BP was greater in patients with T2DM with MA than patients without MA (129 versus 121 mm Hg, P = .03) and compared with the control subjects (113 mm Hg, P = .01). Patients with MA had an average daytime systolic BP load that was higher than patients without MA (37.1 versus 5.1%, P = .008) and compared with the control subjects (2.6%, P < .001). CONCLUSION: As in adults, adolescents with T2DM exhibit abnormalities of ABP, dyslipidemia, and microalbuminuria.

Published 19 July 2005 in J Pediatr, 147(1): 67-73.
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