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Specific anatomy and radiographic illustration of the digestive tract and transit time of two orally administered contrast media in Inland bearded dragons (Pogona vitticeps)

机译:内陆有胡子龙(Pogona vitticeps)中两种口服造影剂的消化道和通过时间的具体解剖和放射学图示

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摘要

The aim of this study was to describe the specific gross and radiographic anatomy of the digestive tract of inland bearded dragons (Pogona vitticeps). Eleven bearded dragon cadavers of both sexes (6 females, 5 males) were dissected to examine, measure, and document the specific gross anatomy of the alimentary canal. Measurements collected from the cadavers included snout-vent length, total length of the alimentary canal, and the lengths of the individual sections of the gastrointestinal tract, including the esophagus, stomach, small intestine, ampulla coli, isthmus coli, rectum, and the distance from the coprodeum to the vent opening. Twenty-two healthy adult bearded dragons (13 females, 9 males) maintained under standardized husbandry conditions underwent a physical examination, blood collection, and whole-body dorsoventral and lateral survey radiographs; these animals were used to provide the radiographic images of the complete digestive tract. For the subsequent contrast passage studies, two different contrast media, barium sulfate (BaSO4, Barilux suspension) and an iodinated ionic radiocontrast agent (Sodium meglumine amidotrizoate [SMAT], Gastrografin), were used. Water-diluted Barilux suspension (dose 9 ml/kg) was administered orally to 5 bearded dragons, while Gastrografin (dose 5ml/kg) was administered orally to 21 bearded dragons. Four animals were used for both contrast media studies, but received a break of four weeks in between. Dorsoventral and laterolateral radiographs were collected at 0 (baseline), 15, 30, and 45 minutes and 1, 2, 3, 4, 5, 6, 8, 10, 12, 24, 30, and 36 hours after each contrast medium was administered. Both contrast media were found to illustrate the alimentary tracts in the adult bearded dragons. Transit time was substantially faster with SMAT, and SMAT illustrated the entire gastrointestinal tract within 36 hours; BaSO4 did not fully illustrate the gastrointestinal tract in 36 hours. These results might serve as a guideline for the interpretation of subsequent contrast studies in this lizard species.
机译:这项研究的目的是描述内陆有胡子龙(Pogona vitticeps)消化道的具体总体和放射学解剖结构。解剖了11名男女的胡须尸体(6名女性,5名男性),以检查,测量和记录消化道的具体总体解剖结构。从尸体收集的测量值包括鼻口长度,消化道的总长度以及胃肠道各个部分的长度,包括食道,胃,小肠,壶腹部,峡部大肠杆菌,直肠和距离从前排到排气口对22只在标准饲养条件下保持健康的成年胡须龙(13只雌性,9只雄性)进行了体格检查,血液采集以及全身背腹和侧位射线照相;这些动物被用来提供完整消化道的射线照相图像。对于随后的造影剂通过研究,使用了两种不同的造影剂,硫酸钡(BaSO4,巴里路斯悬浮液)和碘化离子放射性造影剂(葡甲胺氨基三唑酸钠[SMAT],Gastrografin)。将水稀释的Barilux悬浮液(剂量为9 ml / kg)口服给予5只有胡子的龙,而胃泌素(剂量为5ml / kg)则口服给予21只有胡子的龙。两种对比剂研究均使用了四只动物,但在此之间休息了四个星期。每种造影剂注射后0时(基线),15分钟,30分钟和45分钟以及1、2、3、4、5、6、8、10、12、24、30和36小时收集腹背和侧外侧X线照片。管理。发现两种对比剂都可以说明成年胡须龙的消化道。使用SMAT的转运时间明显更快,SMAT可以显示36小时内的整个胃肠道。在36小时内,BaSO4不能完全说明胃肠道。这些结果可作为解释该蜥蜴物种后续对比研究的指南。

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