Department of Otolaryngology-Head and Neck Surgery, Ninth People's Hospital.
Ear Institute, Shanghai Jiaotong University School of Medicine.
Otol Neurotol. 2021 Aug 1;42(7):e875-e880. doi: 10.1097/MAO.0000000000003119.
To describe a new method to measure the cochlear parameters using Otoplan software, and to compare it with the traditional method using curved multiplanar reconstruction (cMPR).
Retrospective analysis using internal consistency reliability and paired sample t test.
Tertiary referral center.
Thirty-four patients including 68 ears from a clinical trial were retrospectively reviewed.
The length, width, height (distances A, B, H), and cochlear duct length of each cochlea were measured independently using two modalities: Otoplan and cMPR. Internal consistency reliability of the two modalities was analyzed. The time spent on each measurement was also recorded.
Otoplan software was compatible with all radiological data in this series. Distances A, B, and H showed no significant differences between Otoplan (9.33 ± 0.365, 6.61 ± 0.359, and 2.91 ± 0.312 mm) and cMPR (9.32 ± 0.314, 6.59 ± 0.342, and 2.93 ± 0.250 mm). The average cochlear duct length calculated by Otoplan was 34.37 ± 1.481 mm, which was not significantly different from that calculated by cMPR (34.55 ± 1.903mm, p = 0.215). The measurements with Otoplan had better internal consistency reliability compared with those by cMPR, and measurements with a higher peak kilovoltage (140 kVp) CT scan showed further higher internal consistency reliability. Time spent on each cochlea by Otoplan was 5.9 ± 0.69 min, significantly shorter than that by cMPR (9.3 ± 0.72 min).
Otoplan provides more rapid and reliable measurement of the cochlea than cMPR. Furthermore, it can be easily used in the laptop computer.
描述一种使用 Otoplan 软件测量耳蜗参数的新方法，并将其与使用曲面多平面重建（cMPR）的传统方法进行比较。
使用内部一致性可靠性和配对样本 t 检验进行回顾性分析。
三级转诊中心。
回顾性分析了一项临床试验中的 34 例患者（共 68 只耳朵）。
使用两种方式（Otoplan 和 cMPR）独立测量每个耳蜗的长度、宽度、高度（距离 A、B、H）和耳蜗管长度。分析两种方式的内部一致性可靠性。还记录了每种测量方法所花费的时间。
Otoplan 软件与本系列中的所有放射学数据均兼容。距离 A、B 和 H 用 Otoplan（9.33±0.365、6.61±0.359 和 2.91±0.312mm）和 cMPR（9.32±0.314、6.59±0.342 和 2.93±0.250mm）测量时无显著差异。Otoplan 计算的平均耳蜗管长度为 34.37±1.481mm，与 cMPR 计算的结果（34.55±1.903mm，p=0.215）无显著差异。Otoplan 的测量具有更好的内部一致性可靠性，与使用较高峰值千伏（140kVp）CT 扫描的测量相比，具有更高的内部一致性可靠性。使用 Otoplan 对每个耳蜗的测量时间为 5.9±0.69min，明显短于 cMPR（9.3±0.72min）。
Otoplan 提供了比 cMPR 更快速、更可靠的耳蜗测量方法。此外，它可以在笔记本电脑上轻松使用。
