Lüllwitz E, Bodammer K, Bechstein W O, Steinert R, Piepenbrock S
Abteilung Anästhesiologie II, Medizinischen Hochschule Hannover.
Anasth Intensivther Notfallmed. 1989 Apr;24(2):105-10.
Practicability and efficiency of the cricothyreotomy set Nu-Trake was investigated in corpses (n = 10) in the institute of Pathology and clinically in laryngectomy patients (n = 5) including endoscopical controls. The practicability proved to be good, the time needed to perform the coniotomy did not last longer than 2 minutes. But complications in the investigation on the corpses could not be avoided. These were missing the lumen of the trachea, perforation of the pars membranacea tracheae and fracture of the cricoid. The clinical investigation demonstrated a sufficient oxygenation and ventilation in all patients during the whole investigation period (30 min). This can be explained by the diameter of 7.2 mm of the used tube. Endoscopic controls showed a sufficient distance of the tip of the tubes from the pars membranacea tracheae and almost no bleeding within the trachea. Similar as with other coniotomy-technics the cricothyreotomy with the Nu-Trake set bears the risk of typical complications which have to be overcome by training of this important measure of emergency.
在病理学研究所对10具尸体以及在喉切除术患者（n = 5）中包括内镜对照进行临床研究，以调查环甲膜切开套件Nu-Trake的实用性和效率。结果表明其实用性良好，进行环甲膜切开术所需时间不超过2分钟。但在尸体研究中无法避免并发症。这些并发症包括未找到气管腔、气管膜部穿孔和环状软骨骨折。临床研究表明，在整个研究期间（30分钟）所有患者均有充足的氧合和通气。这可以用所用导管7.2毫米的直径来解释。内镜对照显示导管尖端与气管膜部有足够的距离，气管内几乎无出血。与其他环甲膜切开技术类似，使用Nu-Trake套件进行环甲膜切开术有典型并发症的风险，必须通过培训这一重要的急救措施来克服。
