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首页> 外文期刊>Journal of speech, language, and hearing research: JSLHR >Delayed initiation of the pharyngeal swallow: normal variability in adult swallows.
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Delayed initiation of the pharyngeal swallow: normal variability in adult swallows.

机译：咽部吞咽延迟开始：成年吞咽者的正常变异性。

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摘要

PURPOSE: The purpose of this investigation was to determine bolus head timing and location relations with the onset of hyoid movement at the initiation of the pharyngeal swallow and at the onset of swallow-related apnea. METHOD: Bolus head timing and location and the timing of swallow-related apnea were recorded from frame-by-frame analyses of 5-ml single liquid swallows using dual-modality videofluoroscopy and nasal airflow recordings in 82 consecutive, healthy volunteers. The presence, depth, and response to airway entry were also recorded and related to the bolus head location and the onset of hyoid movement. RESULTS: The majority of participants-80% on at least 1 trial-produced the onset of hyoid movement at pharyngeal swallow initiation after the bolus head passed the posterior angle of the mandible. There was a trend in older participants for later onset of hyoid movement and onset of apnea relative to bolus head arrival at the posterior angle of the mandible. CONCLUSION: Although entry of the bolus head into the pharynx prior to hyoid movement may result in a threat to the laryngeal airway, these data demonstrate that a "delay" by itself cannot be assumed to indicate a disordered swallow without coexisting impairments of swallowing physiology.
机译：目的：本研究的目的是确定推注头的时机和位置的关系，包括在咽咽开始时和咽相关呼吸暂停开始时舌骨运动的开始。方法：通过双模式视频荧光检查法和鼻气流记录，对82位连续健康志愿者的5-ml单液体燕子进行逐帧分析，记录大头的时机和位置以及与燕子相关的呼吸暂停的时机。还记录了气道进入的存在，深度和反应，并与推注头位置和舌骨运动开始有关。结果：大多数参与者（至少1个试验中的80％）在推注头经过下颌骨的后角后，在咽咽开始时产生了舌骨运动。相对于在下颌骨后角的推注头到达，年龄较大的参与者有以后出现舌骨运动和呼吸暂停的趋势。结论：尽管推弹头在舌骨运动之前进入咽部可能会对喉道造成威胁，但这些数据表明，如果没有吞咽生理的共存损害，则不能认为“延迟”本身就是吞咽障碍。

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