预防结直肠癌利器——你必须了解的肠镜检查指南!

2021-08-22 胃肠病科普 胃肠病科普

肠癌作为一种“行动缓慢”,最易预防的恶性肿瘤,多为肠道息肉发展而来,需在肠息肉阶段及时“止损”。

2020年中国癌症新发病例数前三位分别是:肺癌(82万)、结直肠癌(56万)、胃癌(48万)。 而肠镜检查是下消化道恶性肿瘤筛查和疾病诊断的金标准 ,早期肿瘤还可以在肠镜下手术治疗,免去了开刀的痛苦。

你做过肠镜吗?你知道肠道准备药品应该怎么吃吗?你知道肠镜前应该注意些什么吗?你知道做肠镜后又应该注意些什么吗?接下来,一起“涨姿势”。

什么是肠镜?

肠镜,也叫全结肠镜,从肛门进入(看清楚了,不是鼻腔哦),观察到直肠、乙状结肠、降结肠、横结肠、升结肠、回盲部以及一部分回肠,同时可以取活检和治疗。

哪些情况下需要做肠镜?

1、45岁以上无任何消化道不适症状、有结肠息肉、肿瘤家族史的高危人群需要进行检查。

2、当中下腹部出现不适症状如腹胀、腹痛、便秘、腹泻等持续较长时间、短期内服药对症治疗不好转时;当大便出血、或带血块和血丝经肛肠科医生检查不能用痔疮等肛门疾病来解释出血时;当解柏油样黑大便经胃镜检查未发现上消化道疾病时需要进行检查。

3、近期出现不明原因乏力、疲劳、面色苍白、体重减轻、颈部淋巴结肿大、血色素下降、大便隐血试验阳性等肿瘤报警症状而先经胃镜检查未发现病变时需要进行检查。

4、体检发现血肿瘤指标如CEA等升高、CT或B超发现肠壁增厚、原因不明的肝占位、腹腔淋巴结肿大和腹水时;X光钡灌肠初查不能确定病变或症状与钡灌肠检查结果不符时需要进行检查。

5、发现结肠息肉、黏膜病变和肿瘤等需要内镜下治疗者;已行结肠息肉内镜摘除术、溃疡性结肠炎治疗、结肠肿瘤切除者等需要定期随访。

哪些人不宜做肠镜?

1、肛门、直肠有严重的化脓性炎病如肛周脓肿,或存在肛裂等疼痛性病灶的人。因为在这种情况下进行检查可能导致感染扩散、引起患者无法忍受的疼痛等情况;

2、各种急性肠炎、严重的缺血性疾病及放射性结肠炎,如细菌性痢疾活动期、溃疡性结肠炎急性期,尤其暴发型者。因为在肠道炎症水肿、充血的情况下,肠壁组织薄、顺应性下降,容易发生肠穿孔;

3、妇女妊娠期,应严格掌握适应症,慎重进行,妇女月经期一般不宜做检查以免发生上行性感染;

4、腹膜炎、肠穿孔等情况下不宜进行检查以免加剧病情;

5、腹腔内广泛粘连以及各种原因导致的肠腔狭窄导致进镜困难时不要强行继续检查以免发生粘连带、系膜或肠壁的撕裂;

6、身体极度衰弱、高龄以及有严重的心脑血管疾病史患者,导致对检查不能耐受者,必须慎重;

7、小儿及精神病患者不宜施行检查,若非做不可,可考虑在麻醉下施行检查。

肠镜“痛”吗?

结肠的解剖学特性可以导致有些患者在肠镜拐弯的时候感到不适:

1)结直肠又长又弯,曾有过腹部手术、妇科手术、回盲部肿瘤、肠道粘连的病人,肠镜进镜时可能会感觉胀痛,特别是在通过结直肠拐弯处时,会感觉到轻度不适或牵掣痛。相反,肠管比较粗、短、胖的人,锐角弯少,进镜相对容易。

2)胃肠道是情绪器官之一,精神紧张及对疼痛敏感的人,消化道可能出现各种不适,需要患者尽量放松、深呼吸。

肠镜前需要准备什么?

肠镜检查采取预约制,需要提前到消化内镜中心预约。工作人员详细告知注意事项和相关知识:

01

完善相关检查

无痛肠镜采用静脉麻醉,需完善心电图检查和传染病筛查,评估麻醉风险。行肠息肉等治疗,需完善血常规、凝血功能等相关检查。检查前应禁食6小时、禁水4小时以上,胃肠动力障碍者需禁食、禁饮更长时间,避免发生误吸。检查当天着宽松衣裤,需有家属陪同,不能开车、登高。部分患者做完检查会出现头晕、恶心、呕吐,类似于醉酒的感觉,一般休息后症状可以缓解。

02

肠道准备

检查前1天进低纤维半流质饮食,例如白粥、豆制品、面条、米粉等,不能吃芹菜、韭菜、糯米、木耳、紫菜、海带、芝麻、火龙果、猕猴桃等多渣和带籽、难以消化的食物。服用清肠剂前6小时可以喝无渣饮料,如糖水、盐水、功能性饮料等,禁食任何有渣食物,确保胃能完全排空。

肠道准备的具体操作流程为:晚上20点将一盒聚乙二醇电解质散(A、B、C各1包)溶于1000ml凉开水中,搅拌均匀,于1小时内口服完毕,第二天早上5点喝2盒聚乙二醇,溶入2000ml凉开水中,2小时内喝完,7点之后不再喝水,过程不能过急过快,以免引发呕吐。服药期间,需来回走动,加快肠道蠕动,避免躺在床上玩手机,或者坐着看电视,直至排出无色或淡黄色透明无渣水样便。

肠道准备中如出现比较严重的恶心、呕吐、腹痛等不良反应,应立即停止服药,并告知医生。服药 1 小时后,肠道运动加快,可能感到腹胀,如有严重腹胀或不适,可放慢服用速度或暂停服用,待症状消除后再继续,直至排出水样清便。

03

用药管理

高血压患者检查当日,少量水送服抗高血压药,保证血压正常再行肠镜检查。糖尿病患者检查当天,暂停使用降糖药或胰岛素,建议在医院服用泻药,若出现冷汗、胸闷、头晕等低血糖症状,应及时完善血糖监测,对症处理。有阿司匹林、氯吡格雷等抗血小板药物使用史,至少停药7天后,再行肠镜治疗,必要时可申请心血管内科协助指导用药。

肠镜检查后需要注意什么?

肠镜检查后当天,出现轻度腹痛、腹胀为正常现象,与检查时注入空气等操作有关,医生会根据具体情况,予以腹胀贴等促进肠道气体排出,缓解腹胀症状。一般 1 小时后,可以进食容易消化的食物,如粥、面条、稀饭等;如果有肠道活检等操作时,会及时告知,进行特殊处理。

如果肠镜下发现了息肉,医生可能在检查过程中就把息肉切除了。如果息肉很大,或者发现肿瘤等其他可疑病变,医生会做活检,取部分或全部病变组织送去化验,病理科大概3-5个工作日后会发出检查报告,告诉我们病变是什么,是良性的还是恶性的,是癌还是癌前病变。

医生提醒

肠癌作为一种“行动缓慢”,最易预防的恶性肿瘤,多为肠道息肉发展而来,需在肠息肉阶段及时“止损”。及时的肠镜检查是40岁以上的人群以及有肠道疾病家族史人群“值得拥有”的体检项目。随着肠镜技术越来越成熟,相信医院能为患者提供更为舒适的就诊体验。

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    2023-06-23 13643de019m 来自广东省

    肠道准备最新指南有吗

    0

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    2021-08-24 zhouqu_8
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    2021-08-23 智慧药

    学习了谢谢

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=2144377, encodeId=165921443e782, content=肠道准备最新指南有吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fdde4820532, createdName=13643de019m, createdTime=Fri Jun 23 15:35:19 CST 2023, time=2023-06-23, status=1, ipAttribution=广东省), GetPortalCommentsPageByObjectIdResponse(id=1434530, encodeId=b8a91434530e6, content=<a href='/topic/show?id=95de81e4889' target=_blank style='color:#2F92EE;'>#肠镜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81748, encryptionId=95de81e4889, topicName=肠镜)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Tue Aug 24 08:36:13 CST 2021, time=2021-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1453561, encodeId=30ea1453561a6, content=<a href='/topic/show?id=098ee8679ad' target=_blank style='color:#2F92EE;'>#结直肠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78679, encryptionId=098ee8679ad, topicName=结直肠)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=9ace5575596, createdName=crystal0564, createdTime=Tue Aug 24 08:36:13 CST 2021, time=2021-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010523, encodeId=b17d101052331, content=学习了谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210901/969603a2377544169c0528539edd5ab7/50bbe992202d43569f6cc40d89829e36.jpg, createdBy=b54c5537441, createdName=智慧药, createdTime=Mon Aug 23 09:06:19 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010521, encodeId=53ff1010521b8, content=厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1d005540744, createdName=ms4000000151524829, createdTime=Mon Aug 23 09:03:46 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010485, encodeId=547310104851b, content=认真学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210511/e9408422a23545ef9738dd674abfc4ff/c719925083844b82986bc39d43051172.jpg, createdBy=8eb14795142, createdName=与狼共舞, createdTime=Mon Aug 23 06:14:37 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010433, encodeId=0387101043374, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210119/bb0a9aa9368143bab03e27750bbbe97a/8e8df924fcde4cc79a8c1fd1c62a0256.jpg, createdBy=8b772187684, createdName=Aduo , createdTime=Sun Aug 22 23:22:05 CST 2021, time=2021-08-22, status=1, ipAttribution=)]
    2021-08-23 ms4000000151524829

    厉害

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2144377, encodeId=165921443e782, content=肠道准备最新指南有吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fdde4820532, createdName=13643de019m, createdTime=Fri Jun 23 15:35:19 CST 2023, time=2023-06-23, status=1, ipAttribution=广东省), GetPortalCommentsPageByObjectIdResponse(id=1434530, encodeId=b8a91434530e6, content=<a href='/topic/show?id=95de81e4889' target=_blank style='color:#2F92EE;'>#肠镜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=81748, encryptionId=95de81e4889, topicName=肠镜)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Tue Aug 24 08:36:13 CST 2021, time=2021-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1453561, encodeId=30ea1453561a6, content=<a href='/topic/show?id=098ee8679ad' target=_blank style='color:#2F92EE;'>#结直肠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=78679, encryptionId=098ee8679ad, topicName=结直肠)], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=9ace5575596, createdName=crystal0564, createdTime=Tue Aug 24 08:36:13 CST 2021, time=2021-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010523, encodeId=b17d101052331, content=学习了谢谢, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210901/969603a2377544169c0528539edd5ab7/50bbe992202d43569f6cc40d89829e36.jpg, createdBy=b54c5537441, createdName=智慧药, createdTime=Mon Aug 23 09:06:19 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010521, encodeId=53ff1010521b8, content=厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1d005540744, createdName=ms4000000151524829, createdTime=Mon Aug 23 09:03:46 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010485, encodeId=547310104851b, content=认真学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210511/e9408422a23545ef9738dd674abfc4ff/c719925083844b82986bc39d43051172.jpg, createdBy=8eb14795142, createdName=与狼共舞, createdTime=Mon Aug 23 06:14:37 CST 2021, time=2021-08-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1010433, encodeId=0387101043374, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210119/bb0a9aa9368143bab03e27750bbbe97a/8e8df924fcde4cc79a8c1fd1c62a0256.jpg, createdBy=8b772187684, createdName=Aduo , createdTime=Sun Aug 22 23:22:05 CST 2021, time=2021-08-22, status=1, ipAttribution=)]
    2021-08-23 与狼共舞

    认真学习

    0

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    2021-08-22 Aduo

    学习了

    0

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