Traffic calming . . . and other stories

β blockers in stable ischaemic heart diseaseAlthough β blockers substantially reduce all-cause and cardiovascular mortality in people who have survived an acute myocardial infarction, their benefit is less clear in people with stable coronary artery disease. In an observational study of 30 000 patients in Ontario, Canada, all diagnosed with coronary artery disease after elective angiography, slightly fewer than half were prescribed a β blocker. Compared with people not prescribed a β blocker, their absolute risk of a composite endpoint of all-cause mortality and hospitalisation for heart failure or myocardial infarction was reduced by around 2% (JACC doi:10.1016/j.jacc.2023.04.021).Guillain-Barré syndromeAn international collaboration that gathered data on 1200 patients with Guillain-Barré syndrome reports that examination of cerebrospinal fluid (CSF) showed albuminocytological dissociation, defined as an increased protein level (>0.45 g/L) in the absence of elevated white cell count (<50 cells/μL), in around 70%. High CSF protein levels were associated with the demyelinating... Read Original Article: Traffic calming . . . and other stories »