How long does a transvaginal ultrasound examination for endometriosis take in comparison to a routine transvaginal ultrasound examination?

Q3 Medicine
Alison Deslandes, Nayana Parange, Jessie T. Childs, Brooke Osborne, Catrina Panuccio, Anthea Croft, Eva Bezak
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引用次数: 6

Abstract

Introduction

This study aimed to determine the additional time needed to perform an endometriosis transvaginal ultrasound (eTVUS) compared to routine transvaginal ultrasound (rTVUS).

Methods

A retrospective case–control study was performed. The study group included 199 eTVUS performed between September 2019 and September 2020. The control group comprised 105 consecutive rTVUS studies performed in the same time period. The time stamps on the ultrasound images of all cases in both groups were reviewed to determine the time taken to perform each study. Mean, median, minimum and maximum scan times for both groups were calculated as was percentage difference between scan times. A two-tailed, unpaired t-test of the normalised data and a Mann–Whitney U test assessing time difference of scans between two groups were performed with P value <0.05 considered statistically significant.

Results

Performing eTVUS took significantly longer than rTVUS with increases in the mean (8.4 vs 13.8 min, 64%), median (7 vs 12 min, 71%), minimum (4 vs 7 min, 75%) and maximum (19 vs 42 min, 121%) scan times. The Mann–Whitney U test indicated a statistically significant difference in the median scan times (5.0, CI 4.0–6.0), P < 0.001. An independent t-test of the normalised data revealed a significantly larger mean scan time for eTVUS than rTVUS, Mean = 9.05 95%CI [13.17–4.94], t(302) = 4.327, P < 0.001. R2 = 0.583.

Conclusion

Endometriosis transvaginal ultrasound added an average 5.4 min to rTVUS, which is statistically significant. For ultrasound departments wanting to offer this technique, doubling the scan time allocated to perform a transvaginal ultrasound (TVUS) is suggested.

Abstract Image

子宫内膜异位症的阴道超声检查与常规阴道超声检查相比需要多长时间?
本研究旨在确定子宫内膜异位症经阴道超声(eTVUS)与常规经阴道超声(rTVUS)相比所需的额外时间。方法采用回顾性病例对照研究。该研究组包括2019年9月至2020年9月期间进行的199次eTVUS。对照组包括在同一时间段内进行的105个连续的rTVUS研究。回顾两组所有病例的超声图像上的时间戳,以确定进行每项研究所需的时间。两组的平均、中位数、最小和最大扫描时间以扫描时间之间的百分比差异计算。对归一化数据进行双尾非配对t检验,对两组扫描时间差异进行Mann-Whitney U检验,P值<0.05认为具有统计学意义。结果eTVUS的平均扫描时间(8.4 vs 13.8 min, 64%)、中位扫描时间(7 vs 12 min, 71%)、最小扫描时间(4 vs 7 min, 75%)和最大扫描时间(19 vs 42 min, 121%)明显长于rTVUS。Mann-Whitney U检验显示中位扫描时间差异有统计学意义(5.0,CI 4.0-6.0), P < 0.001。标准化数据的独立t检验显示,eTVUS的平均扫描时间明显大于rTVUS, mean = 9.05 95%CI [13.17-4.94], t(302) = 4.327, P <0.001. R2 = 0.583。结论子宫内膜异位症经阴道超声检查平均增加rTVUS 5.4 min,差异有统计学意义。对于想要提供这种技术的超声部门,建议将分配给执行阴道超声(TVUS)的扫描时间加倍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Australasian Journal of Ultrasound in Medicine
Australasian Journal of Ultrasound in Medicine Medicine-Radiology, Nuclear Medicine and Imaging
CiteScore
1.90
自引率
0.00%
发文量
40
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