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首页> 外文期刊>Endoscopy International Open >Prospective, randomized, comparative study of delineation capability of radial scanning and curved linear array endoscopic ultrasound for the pancreaticobiliary region
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Prospective, randomized, comparative study of delineation capability of radial scanning and curved linear array endoscopic ultrasound for the pancreaticobiliary region

机译：胰胆管区域放射线扫描和弯曲线性阵列内镜超声描绘能力的前瞻性，随机对照研究

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Background and study aims: There are two types of endoscopic ultrasound (EUS) endoscope, the radial scanning (RS) and the curved linear array (CL). The type of EUS endoscope used at a first intent depends on local expertise, local habits and sometimes on how the examination is reimbursed. In Japan, RS is mainly used for observation, whereas CL is primarily used for histopathological diagnosis and treatment. We compared the imaging capabilities of RS and CL in evaluating the pancreaticobiliary region, a study which has not been performed previously. Patients and methods: This prospective and randomized trial included 200 patients undergoing endoscopic ultrasonography of the pancreaticobiliary region by RS (n?=?99) or CL (n?=?101). The primary end point was the basal imaging capability of each technique. Eleven pancreaticobiliary areas were assessed and scored (range, 0?–?2). Endoscopists evaluated each criterion, and a transcriber recorded the decisions in real time. Results: The mean imaging scores in the RS and CL groups were 18.39 and 19.62, respectively (significantly higher in CL, 95?%CI: 0.82?–?1.64). Although no significant difference in imaging capability for the pancreatic head, body, or tail was observed between CL and RS, the imaging capability of CL for the pancreatic head?–?body transition region was superior to that of RS. Although no significant difference in imaging capability for the middle and inferior bile duct or the cystic duct was observed between CL and RS, the imaging capability of RS for the major duodenal papilla and gallbladder was superior to that of CL. For the area from the hepatic portal region to the superior bile duct, the imaging capability of CL was superior. In the delineation of the branch area of the celiac and superior mesenteric arteries, CL was also superior to RS. Conclusions: The non-inferiority of the overall imaging capability of CL to that of RS was demonstrated. CL was superior in the delineation of the pancreatic head – body transition region, the area from the hepatic portal region to the superior bile duct, and the vascular bifurcation, whereas RS was superior in the delineation of the major duodenal papilla and gallbladder. Thus, for detailed evaluations of specific areas, the choice of scope should probably be considered.
机译：背景和研究目的：内窥镜超声（EUS）内窥镜有两种类型，即径向扫描（RS）和弯曲线性阵列（CL）。一开始使用EUS内窥镜的类型取决于当地的专业知识，当地的习惯，有时还取决于如何报销检查费用。在日本，RS主要用于观察，而CL主要用于组织病理学诊断和治疗。我们在评估胰胆管区域时比较了RS和CL的成像能力，这项研究以前没有进行过。患者和方法：这项前瞻性和随机试验包括200例接受RS（n == 99）或CL（n == 101）胰胆管区域内镜超声检查的患者。主要终点是每种技术的基础成像能力。对11个胰胆管区域进行了评估和评分（范围0？–？2）。内镜医师评估每个标准，转录员实时记录决策。结果：RS组和CL组的平均影像学评分分别为18.39和19.62（CL显着更高，95％CI：0.82？-1.64）。尽管在CL和RS之间未观察到对胰头，身体或尾部的成像能力的显着差异，但CL对胰头-体转移区的成像能力优于RS。尽管在CL和RS之间对中，下胆管或胆囊管的成像能力没有观察到显着差异，但是RS对十二指肠主要乳头和胆囊的成像能力优于CL。对于从肝门区域到上胆管的区域，CL的成像能力更强。在确定腹腔和肠系膜上动脉的分支区域时，CL也优于RS。结论：证实了CL的整体成像能力不如RS差。在胰头-身体过渡区域，从肝门区域到上胆管的区域以及血管分叉的轮廓上，CL的表现优越，而在十二指肠主要乳头和胆囊的轮廓上，RS表现优异。因此，对于特定领域的详细评估，应该考虑范围的选择。

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