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Abstract：
Oropharyngeal leak pressure (OLP) is considered a measure of successful placement, adequate performance and is a useful comparator between supraglottic airway devices (SADs). OLP measurement is based on the premise that the SAD is sited properly in the hypopharynx after blind placements, but the evidence suggests otherwise. Several limitations and controversies surround OLP. This editorial addresses the uses and pitfalls of OLP, the rationale for and methods of ascertaining OLP, the pros and cons of OLP measurement and newer modalities to improve its accuracy.
摘要：
口咽部渗漏压力（OLP）被认为是成功放置的量度，足够的性能，是声门上气道装置（SAD）之间的有用比较器。OLP测量基于这样的前提,即在盲放后SAD正确定位在下咽,但证据表明并非如此。围绕OLP的几个限制和争议。这篇社论讨论了OLP的用途和陷阱，确定OLP的原理和方法，OLP测量的利弊和提高其准确性的更新方式。
