The causes for the cause hemorrhoids

Hemorrhoids anorectal Department is due to blood circulation sluggish, Venous blood returning obstacles caused buckling expansion vein formation of soft Mission. The causes hemorrhoids caused many, and is generally believed that the following factors: Local factors vascular anatomy less elastic fibers, rectal veins and lack of venous valve, dilated blood vessels easily buckling stasis, a hemorrhoid. Long Li sedentary upright posture, anal lower position by the force of gravity, the Department of rectal blood returning impeded, easy congestive into hemorrhoids. Local factors anal infection or intestinal inflammation, caused inflammation of tissues around the lower rectum, vascular embrittlement, congestive secondary vascular dilation caused or exacerbated hemorrhoids. Constipation and abnormal defecation intractable constipation, defecation long time, defecation, hard earned or long-term diarrhea, abdominal pressure will increase, the Ministry of congestive anorectal varicose veins, expanding about anal muscle and muscle relaxation Rectal prolapse prone separation hemorrhoids. Pregnancy and childbirth pregnancy increases abdominal pressure, congestive pelvic vein, the lower part of the rectum when congestion forced labor, straight from the gut. Genetic factors have reported about 44% of patients have family history of hemorrhoids. Dietary factors like to bitter, alcoholic drinks and tobacco hyperstimulation anorectal. High frail, long illness anal sphincter relaxation weakness, caused or exacerbated hemorrhoids prolapse. Portal hypertension cirrhosis and portal vein thrombosis portal hypertension caused inflammation, hemorrhoids caused increased pressure within the venous plexus, buckling expansion. Exertion over long-term weight-bearing travel, Chronic Cough Jiushu,and other long-term abdominal pressure increases, rectal veins expansion straight from the gut.