The use of data to challenge and improve healthcare has a long and distinguished history but has often failed to bring about expected improvements. It has never become fully embedded in clinical ...

Group A streptococcus (GAS) is the cause of a wide range of acute suppurative and, following a latent period, non-suppurative diseases such as rheumatic fever and poststreptococcal glomerulonephritis.

Historically, vascular rings, formed by a right or double aortic arch, have been diagnosed in childhood following symptoms or signs of tracheo-oesophageal compression. Many of these features might be ...