One of the largest studies to date to examine the relationship between single or multiple intravitreal injections of Avastin (bevacizumab) for wet macular degeneration, studying several thousand patients from British Columbia in Canada, has not found any increased risk of myocardial infarction (heart attack) or stroke in patients receiving the injections: http://www.ajo.com/article/S0002-9394%2815%2930005-2/abstract This is obviously… Read More
Risk of stroke after retinal artery occlusion
This study analysed the risk of stroke in the year before and after a central retinal artery occlusion (CRAO) in the entire Korean population by using national claims databases. The authors found that patients are at higher risk of stroke in the period of time before and after CRAO, but especially in the first week… Read More
Intravitreal anti-VEGF injections do not increase risk of stroke, heart attack or death
This is a large and important study from Singapore. When Avastin was given in large doses intravenously for cancer treatment, an increased risk of stroke was observed. Therefore there was a theoretical risk that even the tiny doses of Avastin given into the eye could also be associated with a higher risk of stroke. This… Read More
Retinal vein occlusion and stroke
Retinal vein occlusion may be associated with a higher risk of stroke (at least in Korea): http://www.ncbi.nlm.nih.gov/pubmed/25726093
