Quantification of Fluid Volume and Distribution in the Paediatric Colon via Magnetic Resonance Imaging.

Quantification of Fluid Volume and Distribution in the Paediatric Colon via Magnetic Resonance Imaging.
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磁共振成像对小儿结肠内液体体积和分布的定量研究

DOI:
10.3390/pharmaceutics13101729
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发表时间:
2021-10-19
期刊:
影响因子:
5.4
通讯作者:
Batchelor HK
Batchelor HK
中科院分区:
医学2区
文献类型:
--
作者:
Goelen J;Alexander B;Wijesinghe HE;Evans E;Pawar G;Horniblow RD;Batchelor HK

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先前的研究已使用磁共振成像(MRI)来量化儿童胃和小肠以及成人胃、小肠和结肠中的液体。这是第一项使用 MRI 量化小儿结肠液体体积和分布的研究。 MRI 数据集来自 28 名禁食(0-15 岁)和 18 名液体喂养(10-16 岁)儿童参与者,这些数据是在常规临床护理期间获得的。使用一系列基于 2D 和 3D 的软件协议来测量结肠液体积和定位。儿科结肠在 15.5 ± 17.5 个离散的液袋(中位数 12)中含有平均体积为 22.5 mL ± 41.3 mL 的液体(范围 0–167.5 mL,中位体积 0.80 mL)。大于1 mL的液囊比例为9.6%,占观察到的总液量的94.5%。在所有年龄和结肠液量之间没有检测到相关性,也没有根据性别、进食状态或基于 ICH 分类的年龄组观察到结肠液量的差异。这项研究量化了儿科结肠内的液体体积,这些数据将有助于并加速生物相关工具的开发,以推进结肠靶向制剂的儿科药物开发。
Previous studies have used magnetic resonance imaging (MRI) to quantify the fluid in the stomach and small intestine of children, and the stomach, small intestine and colon of adults. This is the first study to quantify fluid volumes and distribution using MRI in the paediatric colon. MRI datasets from 28 fasted (aged 0–15 years) and 18 fluid-fed (aged 10–16 years) paediatric participants were acquired during routine clinical care. A series of 2D- and 3D-based software protocols were used to measure colonic fluid volume and localisation. The paediatric colon contained a mean volume of 22.5 mL ± 41.3 mL fluid, (range 0–167.5 mL, median volume 0.80 mL) in 15.5 ± 17.5 discreet fluid pockets (median 12). The proportion of the fluid pockets larger than 1 mL was 9.6%, which contributed to 94.5% of the total fluid volume observed. No correlation was detected between all-ages and colonic fluid volume, nor was a difference in colonic fluid volumes observed based on sex, fed state or age group based on ICH-classifications. This study quantified fluid volumes within the paediatric colon, and these data will aid and accelerate the development of biorelevant tools to progress paediatric drug development for colon-targeting formulations.
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