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Diabet Med. 2005 Sep;22(9):1218-25.

Left ventricular dysfunction in hypertensive patients with Type 2 diabetes mellitus.

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Medical Department M. (Diabetes and Endocrinology) Aarhus University Hospital, Denmark.



To characterize left ventricular function in hypertensive patients with Type 2 diabetes and normal ejection fraction, and to relate these findings to pathogenic factors and clinical risk markers.


We examined 70 hypertensive patients with Type 2 diabetes mellitus with ejection fraction > 0.55 and fractional shortening > 0.25, all without any cardiac symptoms. Thirty-five non-diabetic subjects served as control subjects. Left ventricular longitudinal function was examined by tissue Doppler derived myocardial strain rate and peak systolic velocities.


Hypertensive patients with diabetes had a significantly higher systolic strain rate (-1.1 +/- 0.3 s(-1) vs. -1.6 +/- 0.3 s(-1), P < 0.001) and lower systolic peak velocities (3.3 +/- 1.0 vs. 5.6 +/- 1.0 cm/s, P < 0.001) compared with control subjects. Myocardial systolic strain rate correlated significantly to left ventricular mass (r = 0.40, P < 0.01) and to both HbA1c (r = 0.43, P < 0.01), and fructosamine (r = 0.40, P < 0.01), but was not related to serum levels of carboxymethyllysine, albuminuria, blood pressure (dipping/non-dipping), or oral hypoglycaemic therapy. Patients with diastolic dysfunction had significantly higher levels of urine albumin [21.0 (5-2500) mg/l, vs. 9.5 (1-360), P < 0.01], heart rate (78 +/- 13 vs. 67 +/- 10 b.p.m., P < 0.005), and seated diastolic blood pressure (85 +/- 6 vs. 81 +/- 7 mmHg, P < 0.05) and non-dipping diastolic blood pressure was more frequent.


Long axis left ventricular systolic function was significantly decreased in hypertensive patients with Type 2 diabetes mellitus, and is associated with hyperglycaemia and left ventricular hypertrophy. Diastolic dysfunction was closely related to increased diastolic blood pressure, non-dipping and increased urinary albumin excretion.

[Indexed for MEDLINE]

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