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二维超声检查在婴幼儿消化不良诊断中的价值
http://www.100md.com 2011年8月5日 王樟云 王月武
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     [摘要] 目的 探讨超声检查在婴幼儿消化不良诊断中的价值。方法 回顾性总结最终经过临床确诊的33例婴幼儿消化不良超声声像图表现,之前均经过X线腹部透视检查。结果 33例年龄2个月~1岁、平均6.5个月、之前X腹部透视检查均见腹部气液平面,提示肠梗阻可疑,而后超声检查均表现为不同程度的肠胀气,肠管见轻微扩张,内径小于1.3cm,无明显包块回声,可排除肠梗阻。结论 婴幼儿消化不良超声声像图表现并无特异性改变,主要表现为胃肠道功能失调的特点,结合临床病史有一定辅助诊断价值,同时超声对肠梗阻能大部分找到梗阻原因,对腹部透视疑为肠梗阻的婴幼儿消化不良起到一定的鉴别诊断作用。

    [关键词] 超声诊断;婴幼儿;消化不良

    [中图分类号] R445.1 [文献标识码] B [文章编号]1673-9701(2011)22-100-02

    The Value of 2-Dimensional Ultrasound in the Diagnosis of Infant Indigestion

    WANG Zhangyun1 WANG Yuewu2

    1.Department of Ultrasonography, the Jiangshan City People's Hospital in Zhejiang Province,Jiangshan 324100,China ;2.Department of Pediatrics, the Jiangshan City People's Hospital in Zhejiang Province,Jiangshan 324100,China

    [Abstract] Objective To study the value of 2-dimensional ultrasound in the diagnostic of infant indigestion. Methods The ultrasonic images of 33 cases of infant indigestion were retrospectively studied.All the cases were diagnosed by Clinic,all through the X-ray abdomen before 2-dimensional ultrasound examination. Results Tirty-three patients aged 2 months to 1 years, mean 6.5 months, the first ,fluoroscopy, all showed abdominal gas-liquid plane and were cued intestinal obstruction suspicious, then 2-dimensional ultrasound examination are performing for different degrees of bowel bilges gas, dilated bowel see slight expansion, the diameter less than 1.3 cm, without apparent mass echo, can eliminate intestinal bstruction. Conclusion Infant indigestion ultrasound performance ultrasonographic nonspecific changes, mainly for gastrointestinal dysfunction, combined with the characteristics of clinical history have certain auxiliary diagnosis value, Meanwhile ultrasonology obstruction can find obstruction reason, most of the suspected of abdominal perspective obstruction infant indigestion play a certain role of differential diagnosis

    [Key words] Uhrasonography; Infant; Indigestion

    婴幼儿消化不良是儿科常见病、多发病。临床症状以腹泻、呕吐为主伴有腹痛、腹胀及水电解质和酸碱平衡紊乱。超声在胃肠道应用受到一定限制,以往在胃肠道方面的临床应用不多,临床上因腹痛需排除肠套叠通常首先寻求X线检查。本文对本院自2008年以来33例临床因腹痛经X线透视疑似肠梗阻而又未能进一步明确梗阻真正存在与否的婴幼儿患者,再行腹部超声检查,现报道如下。

    1 资料与方法

    本组33例,男20例,女13例,年龄2个月~1岁,平均6.5个月。X线腹部透视均见到气液平面而疑为肠梗阻,临床则考虑为肠套叠。临床表现为哭闹、呕吐、大便稀少。体检;不同程度腹胀,未触及腹部包块。化验检查:大便常规29例有脂肪球,大便隐血阴性。先使用凸阵探头检查,频率2~5MHz,后使用高频线阵探头,频率5~12MHz,在患儿尽量安静的状态下检查,必要时可给予一定的镇静剂,检查时手法轻柔,宜首先排除肝胆胰腺等实质性脏器疾病,腹部检查时应重点探测腹部有无包块,尤其是右下腹,排除肠套叠,然后进行全腹探测,观察肠管情况。

    2 结果

    本组病例均排除肝胆胰腺病变及腹部包块,肠管胀气主要在中上腹,下腹部可见部分小肠轻度扩张,内径小于1.3cm(图1、2),肠管蠕动缓慢,腹部各部位探头轻按压患儿即哭闹,解除按压或检查结束后即停止哭闹。超声提示为肠胀气,肠管轻微扩张,最后临床确诊为消化不良。

    3 讨论

    婴幼儿消化系统发育尚未成熟,胃酸和消化酶分泌少,酶活力偏低,不能适应食物和量的较大变化。婴儿时期神经、内分泌、循环、肝肾功能发育不成熟,易发生消化道功能紊乱[1]。加之人工喂养不当则很容易诱发消化不良。在喂养方面需要根据婴幼儿胃肠功能特点,掌握喂养方法,定时定量喂养。婴幼儿哭闹并非皆由饥饿引起,许多家长将哭闹均误认为饥饿,而不间断地哺乳和喂养副食,势必会增加消化道负担,久之则影响消化道功能,引起消化不良,追踪本组患儿病史,均为喂养不当所致。目前基本都是独生子女,这种现象尤其普遍,因此定时喂养是保护婴幼儿消化道功能的最好办法。本组患儿发病后均以腹胀、呕吐和稀便为主 ......

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