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首页> 外文期刊>International journal of obstetric anesthesia >A double blind comparison of the variability of block levels assessed using a hand help Neurotip or a Neuropen at elective caesarean section under spinal anaesthesia.
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A double blind comparison of the variability of block levels assessed using a hand help Neurotip or a Neuropen at elective caesarean section under spinal anaesthesia.

机译：脊髓麻醉下选择性剖宫产时使用手扶式Neurotip或Neuropen评估的阻滞水平变异性的双盲比较。

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BACKGROUND: We previously noted that when two experienced anaesthetists assessed the level of spinal block to touch at caesarean section, one with a hand held device (Neurotip), and the other with a very similar spring loaded device (Neuropen), the median difference between the assessed levels of block was zero but there were some wide individual paired differences between the anaesthetists. We theorised that differences in the applied pressure of the stimulus may have contributed to this variation. We wished to investigate whether compared to the Neurotip, the Neuropen would reduce the variability of assessed block levels between anaesthetists of varying experience. METHODS: The levels of block to touch and sharp pinprick were assessed by paired anaesthetists using both the Neurotip and Neuropen. The anaesthetists were blind to each other's assessments. To ensure comparability of dermatome identification, the patient's torso was marked before surgery. RESULTS: In 44 cases, managed by 35 different pairs of anaesthetists, there was no statistically significant difference in the variability of differences in assessed levels of block between anaesthetists (P=0.23) whether the Neurotip or Neuropen or touch or sharp pinprick were used. The median dermatomal difference [upper quartile, lower quartile] was 0 [1, -1] for both instruments with both touch and sharp pinprick. CONCLUSION: Compared to the Neurotip, the Neuropen did not result in a reduction of the variability in the differences in spinal block levels when assessed by 35 different pairs of anaesthetists.
机译：背景：我们之前曾指出，当两位经验丰富的麻醉师评估剖宫产时触碰的脊柱阻滞水平时，一位使用手持装置（Neurotip），另一位使用弹簧加载装置（Neuropen），两者之间的中位数差异评估的阻滞水平为零，但麻醉师之间存在一些很大的个体成对差异。我们认为，刺激施加压力的差异可能是造成这种变化的原因。我们希望调查与Neurotip相比，Neuropen是否可以减少经验不同的麻醉师之间评估的阻滞水平的差异。方法：配对麻醉师使用Neurotip和Neuropen评估触觉阻滞和尖刺的水平。麻醉师对彼此的评估视而不见。为确保皮刀识别的可比性，在手术前标记了患者的躯干。结果：在44例病例中，由35对不同的麻醉师进行了治疗，无论是否使用Neurotip或Neuropen或触摸式或尖刺式针刺，麻醉师之间评估的阻滞水平差异的差异均无统计学意义（P = 0.23）。两种带触碰和尖刺针的器械的皮中位数差异[上四分位数，下四分位数]为0 [1，-1]。结论：与Neurotip相比，当用35对不同的麻醉师进行评估时，Neuropen不会导致脊髓阻滞水平差异的变异性降低。

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