Fluoroscopic surrogate for pharyngeal strength: the pharyngeal constriction ratio (PCR).
Fluoroscopic surrogate for pharyngeal strength: the pharyngeal constriction ratio (PCR).
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DOI：
10.1007/s00455-009-9258-4
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发表时间：
2011-03
期刊：
影响因子：
2.6
通讯作者：
Allen, Jacqui
中科院分区：
文献类型：
--
作者：
Leonard, Rebecca;Rees, Catherine J.;Belafsky, Peter;Allen, Jacqui
咽部收缩率 (PCR) 直接来自视频透视检查，无需测压，需要作为咽部强度的替代指标进行验证。之前在单独的透视和测压研究中发现 PCR 和咽部清压 (PP) 之间的相关性为 -0.70。随着 PP 增加，PCR 减少。本研究的目的是评估 25 名同时接受透视检查和咽部测压的患者的 PCR 和 PP 之间的相关性。还研究了测压导管对 PCR 的影响。 PCR 与平均咽部清洁压力之间的相关性为 -0.72 (p < 0.001)。所有 PCR > 0.25 的患者的 PP < 60 mmHg。由于测压导管的影响，PCR 没有显着差异。结果表明，当测压法不可用或不可能时，客观荧光镜测量可用于评估咽部强度。
The pharyngeal constriction ratio (PCR), derived directly from videofluoroscopy without the need for manometry, requires validation as a surrogate for pharyngeal strength. A correlation of −0.70 was previously identified between PCR and pharyngeal clearing pressures (PP) on separate fluoroscopic and manometric studies. As PP increases, PCR decreases. The objective of the current study was to evaluate the correlation between PCR and PP in 25 patients undergoing simultaneous fluoroscopy and pharyngeal manometry. The effect of the manometric catheter on PCR was also investigated. The correlation between the PCR and averaged pharyngeal clearing pressures was −0.72 (p < 0.001). All patients with a PCR > 0.25 had a PP < 60 mmHg. PCR did not differ significantly as a consequence of the manometric catheter. Results suggest the utility of an objective fluoroscopic measure in assessing pharyngeal strength when manometry may not be available or possible.
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