【摘 要】
：
肛裂又称为肛管溃疡,是指齿状线以下内括约肌表面肛管皮肤的小溃疡,是临床上常见上一种疾病,可发生于任何年龄,多见于青少年及中年,男女比例3:7,女性多见,老年患者少见,溃疡
论文部分内容阅读
肛裂又称为肛管溃疡,是指齿状线以下内括约肌表面肛管皮肤的小溃疡,是临床上常见上一种疾病,可发生于任何年龄,多见于青少年及中年,男女比例3:7,女性多见,老年患者少见,溃疡多为单发,常见于肛管后正中,一般呈梭形或椭圆形,纵轴与内括约肌方向垂直.rn病因rn解剖因素:肛门外括约肌浅部在肛门后方肛尾韧带,较坚韧,伸缩性差,在向左右分开围绕肛管时,在肛管后正中形成三角形的裂隙,因此,肛管后正中保护性较差,皮肤较固定.耻骨直肠肌使直肠、肛管交界处形成90°的肛直角,排便时该处承受的压力较大,易损伤.
其他文献
BACKGROUND: Pulsinelli et al developed a kind of rat models with four-vessel occlusion-induced global cerebral ischemia. Because the histo-pathological changes
从2004年全国妇幼卫生监测结果分析报告得知,全国孕产妇死亡率由2003年的51.3/10万下降到2004年的48.3/10万,降低了5.8个百分点,其中城市由27.6/10万下降到26.1/10万,农村由6
BACKGROUND: Diabetes mellitus is one of the risk factors in patients with acute cerebral disease, and always leads to stroke or get it worse. There is often a h
BACKGROUND: The differential diagnosis between depressive pseudodementia and Alzheimer disease (AD) is a clinical problem, and it is more difficult to diagnose
OBJECTIVE: To introduce the characteristics of basal ganglia aphasia after stroke and the rehabilitative interventions.DATA SOURCES: Articles related to stroke,
BACKGROUND: At present, fiuconazole and intrathecal injection of amphotericin B has been widely used to treat cryptococcal meningitis. However, the application
BACKGROUND: Plenty of studies have demonstrated that inflammatory reaction is involved in ischemic cerebral damage, and the expression of inflammatory cytokines
目的 探究综合性护理干预联合依达拉奉对急性缺血性脑卒中患者生活质量的影响.方法 98例急性缺血性脑卒中患者,随机分为对照组与研究组,每组49例.对照组患者给予依达拉奉治疗