Differential diameter responses in macular and peripheral retinal arterioles may contribute to the regional distribution of diabetic retinopathy lesions

P Skov Jensen, P Jeppesen, T Bek - Graefe's Archive for Clinical and …, 2011 - Springer
Background Diabetic retinopathy is assumed to be due to impaired retinal autoregulation,
involving both pressure autoregulation and metabolic autoregulation. The disease displays …

The blood pressure-induced diameter response of retinal arterioles decreases with increasing diabetic maculopathy

CA Frederiksen, P Jeppesen, ST Knudsen… - Graefe's Archive for …, 2006 - Springer
Background The aim of the study was to compare the diameter response of retinal arterioles
and retinal thickness in patients with different stages of diabetic maculopathy during an …

Improvement of mild retinopathy in type 2 diabetic patients correlates with narrowing of retinal arterioles. A prospective observational study

L Pedersen, P Jeppesen, ST Knudsen… - Graefe's Archive for …, 2014 - Springer
Purpose Diabetic retinopathy is one of the leading causes of blindness in the Western world.
The disease is characterized by morphological lesions secondary to disturbances in retinal …

Diameter changes of retinal vessels in diabetic retinopathy

T Bek - Current diabetes reports, 2017 - Springer
Abstract Purpose of Review The diameter of retinal vessels is an important source of
information about retinal blood flow and metabolism. The purpose of the present study is to …

Interaction between flicker-induced vasodilatation and pressure autoregulation in early retinopathy of type 2 diabetes

T Bek, J Hajari, P Jeppesen - Graefe's Archive for Clinical and …, 2008 - Springer
Background Diabetic retinopathy is accompanied with changes in the autoregulation of
retinal blood flow secondary to changes in the systemic blood pressure and the retinal …

Lack of effect of short‐term treatment with amlodipine and lisinopril on retinal autoregulation in normotensive patients with type 1 diabetes and mild diabetic …

J Mehlsen, P Jeppesen, M Erlandsen… - Acta …, 2011 - Wiley Online Library
Purpose: Diabetic retinopathy is characterized by morphological changes in the retina
secondary to disturbances in retinal blood flow. It has been shown that antihypertensive …

Abnormal retinal autoregulation is detected by provoked stimulation with flicker light in well-controlled patients with type 1 diabetes without retinopathy

A Mandecka, J Dawczynski, W Vilser, M Blum… - diabetes research and …, 2009 - Elsevier
AIMS: Investigation of retinal vasodilation under flickering light is considered a dynamic
analysis in contrast to the static analysis of retinal vessel equivalents (mean retinal vessel …

Impaired retinal autoregulation in small retinal arterioles before and after focal laser treatment for diabetic maculopathy

P Jeppesen, T Bek - British journal of ophthalmology, 2006 - bjo.bmj.com
Aims: To study the effect of an acute increase in the arterial blood pressure on the diameter
response of retinal arterioles supplying areas with focal diabetic macular oedema before …

[HTML][HTML] Spontaneous high frequency diameter oscillations of larger retinal arterioles are reduced in type 2 diabetes mellitus

T Bek, P Jeppesen, JK Kanters - Investigative ophthalmology & …, 2013 - tvst.arvojournals.org
Purpose.: Diabetic retinopathy is characterized by morphological changes in the retina
secondary to disturbances in retinal blood flow. Vasomotion is a mechanism for regulating …

[HTML][HTML] Increased blood pressure induces a diameter response of retinal arterioles that increases with decreasing arteriolar diameter

P Jeppesen, J Sanye-Hajari, T Bek - Investigative ophthalmology & …, 2007 - arvojournals.org
purpose. To study the diameter response of retinal arterioles as a function of the arteriolar
diameter. methods. Ten healthy young volunteers aged 22 to 33 years were subjected to …