Hangzhou anus tai normal hospital medical. Incidence of hemorrhoids is always high, some patients want to dwell on, want to know how to cause, hemorrhoids is hemorrhoids are causes, anorectal hospital to we introduce what cause haemorrhoid?
杭州医博肛泰医院正规不.痔疮发病率一向居高不下，有些患者就想追根究底，想要了解痔疮是怎么引起，痔疮的产生都是有原因的， 肛肠医院给咱们介绍是哪些原因导致痔疮的产生?
杭州医博肛泰医院正规不.痔疮产生的原因有哪些？
（1）人体生理结构的缺陷和直立体位：杭州医博肛泰医院正规不人体站立或直立时，肛门方位低，受地心引力的影响，直肠肛门部的静脉血液回流妨碍。直肠上静脉及其分支短少静脉瓣，血液简略产生瘀积，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、曲张而产生痔。杭州医博肛泰医院正规不所以有人说痔疮是人体特有的疾病。
（2）便秘与腹泻：杭州医博肛泰医院正规不排便时间过长或长时间腹泻，可使腹压增高，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离脱出，肛管随粪便下移，久之简略产生痔疮。
（3）感染要素：杭州医博肛泰医院正规不肛窦炎、肛腺感染、痢疾、肠炎、肠道寄虫病等，可引起直肠下部周围安排的炎症，痔静脉劳累，进而使痔静脉管壁软弱，继则血管扩张、充血而引起或加重痔疮。
（4）妊娠与临产：杭州医博肛泰医院正规不妊娠妇女，因为胎儿压榨盆腔静脉使回流受阻，肛门直肠部血管扩张，一同因为体内孕激素含量上升，构成水钠潴留，血管扩张而诱发痔疮。
（5）肛门括约肌松驰：年老体弱及屡次肛门手术而损坏括约肌完好结构的患者，杭州医博肛泰医院正规不因括约肌无力使痔脱垂加重。
（6）门静脉高压：肝硬变、门静脉血栓炎等，可引起门静脉高压，因为门静脉体系短少静脉瓣，可直接导致痔静脉压力升高，引起痔疮。
（7）肿瘤：腹部和盆腔的肿瘤，如直肠肿瘤，卵巢肿瘤和子宫肌瘤等均可压榨盆腔静脉，杭州医博肛泰医院正规不使痔静脉回流受阻而产生痔疮。
（8）遗传要素：关于遗传要素，西医观念尚不共同，需进一步验证。杭州医博肛泰医院正规不有人认为痔疮在一个宗族发病较高，可能遗传要素要素有关。
(1) the defects of human physiological structure and vertical position: the body upright, or stand the anus bearing is low, the influence of gravity, the venous blood backflow obstruction of rectum anus department. Rectal vein and its branches short on venous flap, the 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.
(2) the constipation and diarrhoea, 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 separated out, anal canal down, along with the feces of short piles.
(3) infection elements: anal sinusitis, anal gland infections, diarrhea, enteritis, gut send worm disease, etc., can cause inflammation of the rectum bottom arranged around, hemorrhoids overworked, thereby enabling hemorrhoid venous wall is weak, the vasodilation and congestion and cause or aggravate hemorrhoids.
(4) the pregnancy and labor: pregnant women, because the fetus squeezing pelvic vein is blocked, the anus rectum vasodilation, because in progesterone levels rise together, constitute water sodium retention, vasodilation and trigger tumors.
(5) the anal sphincter relaxation: frail elderly and repeated damage to the patients with sphincter intact structure, the anus surgery for sphincter weakness aggravate hemorrhoids prolapse.
(6) of the portal hypertension, liver cirrhosis, portal vein thrombosis, inflammation, can lead to portal hypertension, and because of the shortage of portal venous system venous flap, can directly lead to hemorrhoids venous pressure, cause hemorrhoids.
Tumors (7) : the abdominal and pelvic tumors, such as colorectal cancer, ovarian cancer and uterine fibroids, etc all can squeeze the pelvic vein, make hemorrhoid venous return and hemorrhoids.
(8) genetic elements: about genetic elements, western medicine concept is not common, need further verification. Disease is higher, some people think that piles in a clan possible related factors of genetic factors.
