An anal fissure is a cut or tear occurring in the anus (the opening through which stool passes out of the body) that extends upwards into the anal canal. Fissures are a common condition of the anus and anal canal and are responsible for 6% to 15% of the visits to a colon and rectal (colorectal) surgeon.They affect men and women equally and both the young and the old. Fissures usually cause pain during bowel movements that often is severe.issures are a common condition of the anus and anal canal and are responsible for 6% to 15% of the visits to a colon and rectal (colorectal) surgeon. They affect men and women equally and both the young and the old.
High Blood Pressure. ï·ï  In the United States, about 77.9 million (1 out of every 3) adults have high blood pressure. ï·ï  Data from NHANES 2007â10 showed that of those with high blood pressure, - 81.5 percent are aware they have it. - 74.9 percent are under current treatment. - 52.5 percent have it controlled.
ypertension is an extremely common dis-. order in modern Western societies, with an. age- and sex-adjusted prevalence of approxi-. mately 28% in North America.1 Physicians. in clinical practice are likely to encounter patients with. hypertensive urgency and emergency. Although im-. proved management of chronic hypertension has de-.