痔疮是什么原因引起的_杭州医博肛泰医院

痔疮是什么原因引起的

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　　　Hemorrhoids what is the cause? Haemorrhoids is located inside the anus mucosa called hemorrhoids, located the anus mouth inside nearby called external piles, both some called mixed hemorrhoid. Performance was, pain, bloody and severe hemorrhoids, hemorrhoids block will protrude outside the anus (prolapse), after defecate to retract. A high incidence of hemorrhoids, hemorrhoids patients after surgery to cure or other treatment for recurrence rate is also high. Investigate its reason, in addition to heal is not completely, do not pay attention to avoid the generation of hemorrhoids, is also the first element.

痔疮是什么原因引起的?　痔核坐落肛门里面黏膜的称为内痔，坐落肛门口内侧邻近称为外痔，二者都有的称为混合痔。痔疮的表现是患处作痛、便血、严峻时，痔块会凸出肛门外(脱垂)，排便后才缩回。痔疮的发病率很高，痔疮患者经手术医治或其它办法医治后，反复率亦较高。究其原因，除医治不外，不注意避免痔疮的产生，也是首要的要素。

　　痔疮是什么原因引起的?

　　1、痔疮是什么原因引起的-肛垫下移学说：在肛管的粘膜下有一层环状的有静脉(或称静脉窦)、平滑肌、弹性安排和结缔安排组成的肛管血管垫，简称“肛垫”。起闭合肛管、节制排便效果。正常情况下，肛垫疏松地附着在肛管肌上，排便时首要遭到向下的压力被推向下，排便后借其自身的缩短效果，缩回到肛管内。弹性回缩效果削弱后，肛垫则充血、下移构成痔。

　　2、痔疮是什么原因引起的-静脉曲张学说：从解剖学上看，肛门静脉系统及其分支直肠静脉都无静脉瓣，血液易于淤积而使静脉扩张，加之直肠上、下静脉丛壁薄、位浅、抵抗力低，结束直肠粘膜下安排又懈怠，都有利于静脉扩张，若加上各种静脉回流受阻的要素，如常常便秘、妊娠、前列腺肥壮及盆腔内巨大肿瘤等，都可使直肠静脉回流产生妨碍而扩张曲折成痔。肛门腺及肛周感染也可引起静脉周围炎，静脉失掉弹性而扩张成痔。

　　3、痔疮是什么原因引起的-遗传学说：痔疮是否会遗传，现在无得当依据，痔疮患者常有宗族史，可能与食物、排便习气及环境有关。多数人信赖发展中的国家痔的发病率低，如在非洲村庄患痔者稀有，可能与高纤维食物饮食有关。现在，在发达国家多食高纤维饮食，除了防范大肠ai的产生，也可减低痔的发病率。Hemorrhoids what is the cause? Haemorrhoids is located inside the anus mucosa called hemorrhoids, located the anus mouth inside nearby called external piles, both some called mixed hemorrhoid. Performance was, pain, bloody and severe hemorrhoids, hemorrhoids block will protrude outside the anus (prolapse), after defecate to retract. A high incidence of hemorrhoids, hemorrhoids patients after surgery to cure or other treatment for recurrence rate is also high. Investigate its reason, in addition to heal is not completely, do not pay attention to avoid the generation of hemorrhoids, is also the first element.

Hemorrhoids what is the cause?

1, hemorrhoids, what is the cause - anal cushion down theory: under the mucous membrane of anal canal with a layer of annular vein (or venous sinus), smooth muscle and elastic tubing arrangement and connective, arrangement of blood vessels pads, hereinafter referred to as "anal cushion". Case closed anal canal, temperance defecation effect. Under normal circumstances, anal cushion loose adhesion on the anal muscle, downward pressure on top during defecation was pushed to, through its own shorten effect after defecate, back in the anal canal. Elastic retraction effect weakened, anal pad hyperemia, down hemorrhoid.

2, hemorrhoids, what is the cause - theory of varicose veins: from the point of view of anatomy, the anal vein system and its branch rectal vein free vein flap of blood sedimentation easily and make the vein expansion, coupled with a rectal upper and lower venous plexus thin wall, a shallow, low resistance, the end of the rectal submucosal arrangement and slack, is conducive to vein expansion, if combined with the elements of vein is blocked, such as constipation, pregnancy, often within the prostate gland disease and pelvic tumor, etc., can make the rectum twists and turns into a hemorrhoid venous return obstruction and expansion. Anal gland and crissum infection can also cause inflammation around vein, venous lose elasticity and expansion into hemorrhoid.

3, hemorrhoids, what is the cause - genetic theory: genetic, hemorrhoids will now without a proper basis, hemorrhoids patients often clan history, may be related to food, bowel habits and environment. Most people rely on developing countries the incidence of hemorrhoids is low, such as villages in Africa suffer from hemorrhoids is rare and may be associated with high fiber food diet. Now, in the developed world eating high-fiber diet, in addition to preventing e. ai, also can reduce the incidence of hemorrhoids.

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