Hangzhou medical science Po anus tai hospital hemorrhoids, hemorrhoids to defecate bleeding, swollen content emergence, anal belly, anal pain, itching, as the main symptoms, is common in the days of a high incidence of anorectal disease. So, what cause hemorrhoids happen? If there is useful to prevent hemorrhoids occur during the day?
杭州医博肛泰医院科普内痔疮，痔疮以大便出血、肿物脱出、肛门坠胀、肛门痛苦、瘙痒为主要症状，是日子中常见的一种高发的肛肠疾病。那么，导致痔疮发生原因有哪些呢？在日子中如有有用的防止痔疮发生？
肛肠医院医生介绍：杭州医博肛泰医院科普内痔疮人体直肠完毕粘膜下和肛管皮肤下静脉丛发生扩张和勉强所构成的柔软静脉团，称为痔，又名痔疮、痔核、痔病、痔疾等。
杭州医博肛泰医院科普内痔疮.导致痔疮发生原因常见的有以下几点：
1、便秘：排便时刻过长或腹泻，可杭州医博肛泰医院科普内痔疮使腹压增高，肛门直肠部充血，痔静脉曲张，甚至可导致直肠粘膜与肌层分别脱出，肛管随粪便下移，久之简略发生痔疮。
2、生理结构的缺点和直立体位：杭州医博肛泰医院科普内痔疮人体站立或直坐时，肛门方位低，受地心引力的影响，直肠肛门静脉血液回流受阻挠，直肠上静脉及其分支缺少静脉瓣，血液简略发生瘀积，且直肠血管摆放特别，在不同平面穿过肌层简略受粪便压榨，使粘膜下疏松安排中的静脉简略扩展、曲张而发生痔。杭州医博肛泰医院科普内痔疮.所以有人说痔疮是人体特有的疾病。
3、感染要素：杭州医博肛泰医院科普内痔疮肛窦炎、肛腺感染、肛周脓肿、痢疾、肠炎、肠道寄生虫病、大肠炎等，可引起直肠下部周围安排发炎，痔静脉劳累，发生炎症，使痔静脉管壁变脆，继发血管扩张充血而引起或加剧痔疮。
4、门静脉高压：杭州医博肛泰医院科普内痔疮肝硬变、门静脉血栓炎等，可引起门静脉高压，由于门静脉系统缺少静脉瓣，可直接导致痔静脉丛压力升高，引起痔疮。
5、肛门括约肌懈怠：年老体弱及多次肛门手术而损坏括约肌无缺结构的患者，杭州医博肛泰医院科普内痔疮因括约肌无力使痔脱垂加剧。
6、妊娠与临产：妊娠妇女，胎儿压榨盆腔静脉，使静脉回流受阻，肛门直肠部血管扩张，杭州医博肛泰医院科普内痔疮一同由于体内孕激素含量上升，构成水钠潴留，血管扩张而诱发痔疮。
7、遗传要素：关于遗传要素，西医观念尚不一同，需进一步验证。杭州医博肛泰医院科普内痔疮有人认为痔疮在一个宗族中发病率较高，可能与遗传要素有关。
After anorectal hospital expert introduction: human rectal submucosal and anal canal skin venous plexus occurred under the expansion and force of soft vein group, called the hemorrhoid, also known as hemorrhoids, haemorrhoids, hemorrhoids, hemorrhoids, etc.
Common cause hemorrhoids occur with the following:
: 1, constipation defecate time is too long or diarrhea for a long time, can make the increased abdominal pressure, anal rectum hyperemia, varicose veins, hemorrhoids and even can cause rectum mucosa and muscle layer out respectively, anal canal down, along with the feces of short piles.
2, the shortcomings of the physiological structure and vertical position: stand or sit straight body, anus bearing is low, the influence of gravity, the anus rectum vein blood flow blocked, rectal vein and its branches without venous flap, on blood YuJi briefly, and rectal blood vessels put special, in different plane through the muscularis brief faecal squeezing, make the submucosal vein brief extension of loose arrangement, varicose and hemorrhoids. So some people say that piles is unique to human disease.
3, infection factors: anal sinusitis, anal gland infection, crissum abscess, dysentery, enteritis, intestinal parasitic disease, colitis and so on, which can cause an inflammation in the rectum bottom arranged around, hemorrhoids overworked, inflammation, make the hemorrhoid venous wall brittle, secondary angiectasis hyperemia and cause or aggravate hemorrhoids.
4, portal hypertension, liver cirrhosis, portal vein thrombosis, inflammation, can lead to portal hypertension, and because of the portal vein system lacks the venous flap, can result in higher pressure of hemorrhoid venous plexus, directly cause hemorrhoids.
5, anal sphincter slack: infirm and multiple damage to the patients with sphincter shape structure, the anus surgery for sphincter weakness exacerbated hemorrhoids prolapse.
6, pregnancy and birth: pregnant women and fetal squeezing pelvic vein, the venous return, anal rectum vasodilation, due to the increasing content of progesterone in the body, together constitute water sodium retention, vasodilation and trigger tumors.
7, genetic elements: about genetic elements, with the concept of western medicine is not yet, need further verification. Some people think that higher incidence of tumors in a clan, may be associated with genetic factors.
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