Intensive Blood Pressure Control Affects Cerebral Blood Flow in Type 2 Diabetes Mellitus Patients

Type 2 diabetes mellitus is associated with microvascular complications, hypertension, and impaired dynamic cerebral autoregulation. Intensive blood pressure (BP) control in hypertensive type 2 diabetic patients reduces their risk of stroke but may affect cerebral perfusion. Systemic hemodynamic var...

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Bibliographic Details
Published in:Hypertension (Dallas, Tex. 1979) Tex. 1979), 2011-04, Vol.57 (4), p.738-745
Main Authors: Kim, Yu-Sok, Davis, Shyrin C.A.T, Truijen, Jasper, Stok, Wim J, Secher, Niels H, van Lieshout, Johannes J
Format: Article
Language:English
Subjects:
Adult
Aged
Analysis of Variance
Antihypertensive Agents - therapeutic use
Arterial hypertension. Arterial hypotension
Biological and medical sciences
Blood and lymphatic vessels
Blood Flow Velocity - drug effects
Blood Flow Velocity - physiology
Blood Pressure - drug effects
Blood Pressure - physiology
Cardiology. Vascular system
Cerebrovascular Circulation - drug effects
Cerebrovascular Circulation - physiology
Clinical manifestations. Epidemiology. Investigative techniques. Etiology
Cognition - drug effects
Cognition - physiology
Diabetes Mellitus, Type 2 - diagnostic imaging
Diabetes Mellitus, Type 2 - drug therapy
Diabetes Mellitus, Type 2 - physiopathology
Diabetic Angiopathies - diagnostic imaging
Diabetic Angiopathies - drug therapy
Diabetic Angiopathies - physiopathology
Female
Humans
Hypertension - diagnostic imaging
Hypertension - drug therapy
Hypertension - physiopathology
Male
Medical sciences
Middle Aged
Patient Selection
Photoplethysmography
Ultrasonography, Doppler, Transcranial
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Summary:Type 2 diabetes mellitus is associated with microvascular complications, hypertension, and impaired dynamic cerebral autoregulation. Intensive blood pressure (BP) control in hypertensive type 2 diabetic patients reduces their risk of stroke but may affect cerebral perfusion. Systemic hemodynamic variables and transcranial Doppler-determined cerebral blood flow velocity (CBFV), cerebral CO2 responsiveness, and cognitive function were determined after 3 and 6 months of intensive BP control in 17 type 2 diabetic patients with microvascular complications (T2DM+), in 18 diabetic patients without (T2DM−) microvascular complications, and in 16 nondiabetic hypertensive patients. Cerebrovascular reserve capacity was lower in T2DM+ versus T2DM− and nondiabetic hypertensive patients (4.6±1.1 versus 6.0±1.6 [P
ISSN:0194-911X
1524-4563
DOI:10.1161/HYPERTENSIONAHA.110.160523