Emma Children's Hospital, Amsterdam Medical Center, Amsterdam, The Netherlands.
Neurogastroenterol Motil. 2012 Apr;24(4):345-e167. doi: 10.1111/j.1365-2982.2011.01870.x. Epub 2012 Jan 25.
Solid-state (SS) manometry catheters with portable data loggers offer many potential advantages over traditional water-perfused (WP) systems, such as prolonged recordings in a more physiologic ambulatory setting and the lack of risk for water overload. The use of SS catheters has not been evaluated in comparison with perfused catheters in children. This study aims to compare data provided by SS and WP catheters in children undergoing colonic manometry studies.
A SS catheter and a WP catheter were taped together such that their corresponding sensors were at the same location. Simultaneous recordings were obtained using the SS and WP catheters (both 8 channels, 10 cm apart) in 15 children with severe defecation disorders referred for colonic manometry. Signals were recorded for a minimum of 1 h during fasting, 1 h after ingestion of a meal, and 1 h after the administration of bisacodyl. Solid-state signals from the data logger were analyzed against the perfused signals. All high-amplitude propagated contractions (HAPCs), the most recognizable and interpreted colonic motor event, were evaluated for spatial and temporal features including their durations, amplitudes, and propagation velocities.
A total of 107 HAPCs were detected with SS and 91 with WP catheters. All WP-HAPC were also observed with SS. Linear regression analysis showed that SS catheters tended to give higher readings in the presence of amplitudes <102 mmHg and lower reading with amplitudes >102 mmHg. An opposite trend was found for the duration of contractions. No significant difference was found for HAPC velocity.
CONCLUSIONS & INFERENCES: SS catheters are more sensitive in recording HAPCs in children with defecation disorders compared with the more traditional WP assembly. There is a difference in measurements of amplitude between the two systems. Solid-state catheters offer potential advantages over WP catheters in children, being portable, safer to use, and may provide data over a more prolonged period.
与传统的水灌注（WP）系统相比，固态（SS）测压管与便携式数据记录器结合具有许多潜在优势，例如在更生理的动态环境中进行更长时间的记录以及避免水过载的风险。尚未将 SS 导管与儿童中的灌注导管进行比较来评估其使用情况。本研究旨在比较 SS 和 WP 导管在接受结肠测压研究的儿童中提供的数据。
将 SS 导管和 WP 导管粘在一起，以使它们的相应传感器位于同一位置。在 15 例患有严重排便障碍的儿童中，同时使用 SS 和 WP 导管（均为 8 通道，相距 10 厘米）进行同步记录。在空腹期间，在进食后 1 小时以及在服用比沙可啶后 1 小时进行至少 1 小时的信号记录。从数据记录器分析固态信号以对抗灌注信号。评估所有高幅度传播收缩（HAPC），这是最可识别和解释的结肠运动事件，以评估其空间和时间特征，包括持续时间，幅度和传播速度。
用 SS 和 WP 导管共检测到 107 个 HAPC，用 WP 导管检测到 91 个 HAPC。用 SS 导管检测到所有 WP-HAPC。线性回归分析表明，在存在幅度<102mmHg 的情况下，SS 导管倾向于给出更高的读数，而在幅度>102mmHg 的情况下，读数较低。收缩持续时间则呈现相反的趋势。HAPC 速度没有发现显著差异。
与传统的 WP 组件相比，SS 导管在记录排便障碍儿童的 HAPC 方面更为敏感。两种系统之间在振幅测量上存在差异。固态导管在儿童中比 WP 导管具有潜在优势，便携，使用更安全，并且可以提供更长时间的数据。
