arteriolar narrowing

arteriolar narrowing

Atherosclerosis, see there.
References in periodicals archive ?
A further limitation of subjective evaluation of retinal vessels is that subtle signs can be overlooked as visual grading is often too coarse and not sensitive enough to detect small changes over time, particularly the assessment of arteriolar narrowing.
Results from these studies show agreement between right and left eyes and AVR's potential to reflect generalised arteriolar narrowing.
2010) were the first to associate exposure to air pollution with arteriolar narrowing.
Arteriolar narrowing is an independent predictor of risk of myocardial infarction, hypertension, and cardiovascular mortality (Cheung et al.
Grade 1 consisted of 'mild' generalized retinal arteriolar narrowing; Grade 2 consisted of 'more severe' generalized narrowing, focal areas of arteriolar narrowing and arteriovenous nicking; Grade 3 consisted of grades 1 and 2 signs plus the presence of retinal hemorrhages, microaneurysms, hard exudates and cotton-wool spots; Grade 4 also referred to as accelerated (malignant) hypertensive retinopathy, consisted of the signs in the preceding three grades plus optic disk swelling and macular edema.
At the same level of blood pressure, arteriolar narrowing signifies further risk.
Approximately 15% were found to have focal arteriolar narrowing, 14% to have arteriovenous nicking, and 7% to have other microvascular abnormalities such as hemorrhages, exudates, and microaneurysms.
4 Ocular risk factors associated with RVO include glaucoma or ocular hypertension, shorter axial length, and focal arteriolar narrowing and arteriovenous (AV) nicking.
Diffuse arteriolar narrowing is characteristic of hypertensive retinopathy.
7) It has been shown that there is a modest association with increased risk of clinical stroke, sub-clinical stroke, coronary heart disease, and mortality if a patient exhibits one or more of the following arteriolar signs; generalised arteriolar narrowing, focal arteriolar narrowing, arteriovenous nipping or arteriolar wall opacity (silver wiring).
Ophthalmic findings in acute malignant hypertensive retinopathy include focal arteriolar narrowing, cotton wool spots, intra-retinal transudates, macular oedema and retinal haemorrhages.
Table 1 The Scheie Classification of Hypertensive Retinopathy changes Changes of Hypertension Stage 0 Although the patient has diagnosed hypertension, there are no visible retinal vascular abnormalities Stage I Diffuse arteriolar narrowing is seen, especially in the smaller vessels.