首页>疾病百科> 神经源性膀胱

神经源性膀胱 (Neurogenic bladder)

2009-11-29 www.sciunion.cn A +

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<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt18pt;TEXT-INDENT:15pt;mso-para-margin-left:1.8gd;mso-char-indent-count:1.5">一.定义<SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><SPANstyle="mso-spacerun:yes"><FONTface=Tahoma>&nbsp;&nbsp;&nbsp;</FONT></SPAN></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">调节和控制排尿生理活动的中枢神经系统或周围神经受到损害而引起的膀胱及尿道功能障碍称为神经源性膀胱</SPAN><SPANlang=EN-US><FONTface=Tahoma>(</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">功能障碍</SPAN><SPANlang=EN-US><FONTface=Tahoma>)</FONT></SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:30pt;mso-char-indent-count:3.0"><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma"><FONTsize=2>二.病因学:</FONT></SPAN></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>1.&nbsp;&nbsp;</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">脊髓或颅脑损伤。</SPAN></FONT><SPANlang=EN-US><BR><FONTface=Tahomasize=2>2.&nbsp;&nbsp;</FONT></SPAN><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">中枢神经手术或广泛盆腔手术</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">如直肠癌根治术、子宫癌根治术、盆腔淋巴结清除术等。</SPAN></FONT><SPANlang=EN-US><BR><FONTface=Tahomasize=2>3.</FONT></SPAN><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">先天性疾病</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">如脊柱裂、脊髓脊膜膨出、骶骨畸形、骶骨发育不良等。</SPAN></FONT><SPANlang=EN-US><BR><FONTface=Tahomasize=2>4.</FONT></SPAN><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">药物作用</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">对交感、副交感神经功能有影响的药物,如普鲁本辛、阿托品、酒、尼石丁以及用于降血压、脱敏、抗组织胺等药物均可影响排尿中枢神经。</SPAN></FONT><SPANlang=EN-US><BR><FONTface=Tahomasize=2>5.</FONT></SPAN><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">某些疾病</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">糖尿病、梅毒、帕金森病、脊髓症质炎、脑炎、中风、脊髓炎等。</SPAN></FONT><SPANlang=EN-US><BR><FONTface=Tahomasize=2>6.</FONT></SPAN><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">原因不明。</SPAN><FONTface=Tahoma></FONT></FONT></P>
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<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:25pt;mso-char-indent-count:2.5">三.分类:</P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">神经源性膀胱分类的方法很多,过去常用的分类方法为</SPAN><I><SPANlang=EN-US><FONTface=Tahoma>Bors</FONT></SPAN></I><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">分类法,分类下列</SPAN><SPANlang=EN-US><FONTface=Tahoma>5</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">类:</SPAN><FONTface=Tahoma></FONT></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>1.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">上运动神经元病变:病变在脊髓中枢(</SPAN><SPANlang=EN-US><FONTface=Tahoma>S2</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">~</SPAN><SPANlang=EN-US><FONTface=Tahoma>S4</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">)</SPAN><SPANlang=EN-US><SPANstyle="mso-spacerun:yes"><FONTface=Tahoma>&nbsp;</FONT></SPAN></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">以上,包括感觉支和运动支。</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>2.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">下运动神经元病变:病变位于脊髓中枢(</SPAN><SPANlang=EN-US><FONTface=Tahoma>S2</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">~</SPAN><SPANlang=EN-US><FONTface=Tahoma>S4</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">)或中枢以下的周围神经,包括感觉支与运动支</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>3.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">原发性运动神经元病变:病变只限于运动支,感觉支无病变,如脊髓灰质炎。</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>4.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">原发生感觉神经元病变:病变只限于感觉支。运动神经元病变,如糖尿病及脊髓结核引起的神经原性膀胱。</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>5.“</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">混合</SPAN><SPANlang=EN-US><FONTface=Tahoma>”</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">病变:有关排尿的自主运动神经元病变(副交感神经)与体运动神经元病变不在同一水平,其中一个在上运动神经元,另一个在下运动神经元,或一个有病变另一个无病变。</SPAN><FONTface=Tahoma></FONT></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:20pt;mso-char-indent-count:2.0"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">这种分类方法虽较详尽,但太复杂,对治疗方法的选择缺乏指导意义。近年来国际上依膀胱充盈时逼尿肌有否无抑制性收缩分成二类</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN></FONT></P>
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<LIclass=MsoNormalstyle="MARGIN:0cm0cm0pt;mso-list:l0level1lfo1;tab-stops:list36.0pt"><FONTsize=2><U><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">逼尿肌反射亢进</SPAN></U><FONTface=Tahoma></FONT><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">逼尿肌对刺激的反应有反射亢进现象,在测量膀胱内压时出现无抑制性收缩。可伴或不伴尿道括约肌的功能障碍。</SPAN></FONT>
<LIclass=MsoNormalstyle="MARGIN:0cm0cm0pt;mso-list:l0level1lfo1;tab-stops:list36.0pt"><FONTsize=2><U><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">逼尿肌无反射</SPAN></U><FONTface=Tahoma></FONT><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">这一类神经原性膀胱的逼尿肌对刺激无反射或反射减退。在测量膀胱内压时不出现无抑制性收缩。可伴或不伴尿道括约肌的功能障碍。</SPAN><FONTface=Tahoma></FONT></FONT></LI></OL>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:25pt;mso-char-indent-count:2.5"><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma"><FONTsize=2>四.临床表现:</FONT></SPAN></P>
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<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>1.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">排尿异常</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;</SPAN>(1)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">感觉异常</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;</SPAN>(2)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">控制异常</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><SPANstyle="mso-spacerun:yes"><FONTface=Tahoma>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">尿失禁</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><SPANstyle="mso-spacerun:yes"><FONTface=Tahoma>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">排尿终止障碍</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;</SPAN>(3)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">排尿间隔时间延长</SPAN><SPANlang=EN-US><FONTface=Tahoma>(</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">尿频</SPAN><SPANlang=EN-US><FONTface=Tahoma>)</FONT></SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;</SPAN>(4)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱排空障碍</SPAN><SPANlang=EN-US><SPANstyle="mso-spacerun:yes"><FONTface=Tahoma>&nbsp;&nbsp;</FONT></SPAN></SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>2.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">尿道外症状和体征</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(1)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">排便功能障碍</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(2)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">性功能障碍</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(3)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">下肢及足部畸形</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(4)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">皮肤异常</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>3.</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">尿路并发症</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(1)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">反复尿路感染</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(2)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">肾积水→肾功能衰竭</SPAN></FONT><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma><SPANstyle="mso-spacerun:yes">&nbsp;&nbsp;</SPAN>(3)</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">尿路结石</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:15pt;mso-char-indent-count:1.5"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">五.膀胱尿道造影</SPAN><SPANlang=EN-US><FONTface=Tahoma>(</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">正常</SPAN><SPANlang=EN-US><FONTface=Tahoma>)</FONT></SPAN></FONT></P>
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<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:15pt;mso-char-indent-count:1.5"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">六.神经源性膀胱</SPAN><SPANlang=EN-US><FONTface=Tahoma>X</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">线表现</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN></FONT></P>
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<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">图</SPAN><SPANlang=EN-US><FONTface=Tahoma>1</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱壁不规则</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">有小梁及多个憩室形成</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">双侧输尿管有反流</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">肾盂重度积水</SPAN><SPANlang=EN-US><FONTface=Tahoma>.</FONT></SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">图</SPAN><SPANlang=EN-US><FONTface=Tahoma>2</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱成葫芦型</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">壁不规则</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">有小梁及多个憩室形成</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">双侧输尿管有反流</SPAN><SPANlang=EN-US><FONTface=Tahoma>,</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱颈成漏斗样扩张</SPAN><SPANlang=EN-US><FONTface=Tahoma>.</FONT></SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt;TEXT-INDENT:15pt;mso-char-indent-count:1.5"><FONTsize=2><SPANlang=EN-US><FONTface=Tahoma>七.X</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">线表现:</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">①</SPAN><FONTface=Tahoma></FONT><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱的改变</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">整个膀胱呈棱形或近似三角形,底部宽,上部窄,好像一个塔状。亦可形成各种不规则形态。膀胱壁边缘高低不平,呈多个小的波浪状向内凹陷的小梁,在小梁之间有多个向外凸出的小憩室。憩室常多发,大小不等,多数不大,但也可有个别或几个较大的憩室。另一种改变是膀胱低张力,整个膀胱重度扩张,边缘光滑,但此改变并非特征性,也可见于膀胱颈或膀胱颈以下的梗阻性疾病,如前腺肥大、后尿道瓣膜形成和尿道损伤后狭窄等。</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><SPANlang=EN-US><?xml:namespaceprefix=ons="urn:schemas-microsoft-com:office:office"/><o:p><FONTface=Tahomasize=2>&nbsp;</FONT></o:p></SPAN></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">②输尿管返流</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">多数病人有不同程度的返流,严重者可引起输尿管及。肾盂发生扩张及积水现象。返流大多为两侧性,也可仅见于一侧。</SPAN></FONT></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><SPANlang=EN-US><o:p><FONTface=Tahomasize=2>&nbsp;</FONT></o:p></SPAN></P>
<Pclass=MsoNormalstyle="MARGIN:0cm0cm0pt"><FONTsize=2><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">③膀胱颈的改变</SPAN><SPANlang=EN-US><FONTface=Tahoma>:</FONT></SPAN><SPANstyle="FONT-FAMILY:宋体;mso-ascii-font-family:Tahoma;mso-hansi-font-family:Tahoma">膀胱内括约肌麻痹,则膀胱底与尿道相接处呈漏斗样扩张。相反如内括约肌痉挛,则膀胱颈呈细线样。</SPAN></FONT></P>
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