Mastitis is the inflammation of the breast that may or may not be associated with bacterial infection.
Staphylococcus aureus is the most common organism associated with mastitis.
It may occur spontaneously or during lactation. It most frequently occurs during the first 6-8 weeks postpartum, although it may occur any time during breastfeeding.
Nonpuerperal mastitis is most commonly associated with breast cyst.
Breast abscess (collection of pus in the breast) is a complication of mastitis.
Systolic blood pressure appears to have a strong association with aneurysmal subarachnoid haemorrhage (aSAH) but not with unruptured intracranial aneurysm (UIA), whereas current smoking and female sex are risk factors for both conditions, a study has found.