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首页> 外文期刊>Journal of clinical monitoring and computing >Non-invasive bladder volume measurement for the prevention of postoperative urinary retention: validation of two ultrasound devices in a clinical setting
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Non-invasive bladder volume measurement for the prevention of postoperative urinary retention: validation of two ultrasound devices in a clinical setting

机译：防止术后尿潴留的非侵入性膀胱体积测量：临床环境中两个超声装置的验证

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摘要

Ultrasound scanning of bladder volume is used for prevention of postoperative urinary retention (POUR). Accurate assessment of bladder volume is needed to allow clinical decision-making regarding the need for postoperative catheterization. Two commonly used ultrasound devices, the BladderScan (R) BVI 9400 and the newly released Prime (R) (Verathon Medical (R), Bothell, WA, USA), with or without the pre-scan' option, have not been validated in clinical practice. The aim of this study was to assess the performance of these devices in daily clinical practice. Between June and September 2016 a prospective observational study was conducted in 318 surgical patients (18years or older) who needed a urinary catheter perioperatively for clinical reasons. For acceptable performance, we required that the volume as estimated by the BladderScan (R) differs by no more than 5% from the actual urine volume after catheterization. The Schuirmann's two one-sided test was performed to assess equivalence between the BladderScan (R) estimate and catheterization. The BVI 9400 (R) overestimated the actual bladder volume by +17.5% (95% CI +8.8 to +26.3%). The Prime (R) without pre-scan underestimated by -4.1% (95% CI -8.8 to +0.5%) and the Prime (R) with pre-scan underestimated by -6.3% (95% CI -11.6 to -1.1%). This study shows that while both ultrasound devices were able to approximate current bladder volume, both BVI 9400 (R) and Prime (R) with and without pre-scanwere not able to measure the actual bladder volume within our predefined limit of +/- 5%. Using the pre-scan feature of the Prime (R) did not further improve accuracy.
机译：膀胱体积的超声扫描用于预防术后尿潴留（倒）。需要准确评估膀胱体积，以允许有关术后导管插入术的临床决策。两个常用的超声设备，Bladderscan（R）BVI 9400和新发布的Prime（R）（Verathon Medical（R），有或没有预扫描的选项，尚未验证临床实践。本研究的目的是评估每日临床实践中这些设备的性能。 2016年6月至9月期间，在318名手术患者（18年或以上）进行了前瞻性观察研究，临床原因需要围手术尿管导管。为了可接受的性能，我们要求在导尿率后，Bladderscan（R）估计的体积与实际尿量不同不超过5％。 Schuirmann的两种单面测试是为了评估Bladderscan（R）估计和导尿率之间的等效性。 BVI 9400（R）高估实际膀胱体积+ 17.5％（95％CI +8.8至+ 26.3％）。没有预扫描的素数（R）低估-4.1％（95％CI -8.8至+ 0.5％）和预扫描的素（R）低估-6.3％（95％CI -11.6至-1.1％ ）。本研究表明，虽然两个超声设备都能够近似电流膀胱体积，BVI 9400（R）和Prime（r），但没有预先扫描的预测+/- 5的预定限制内的实际膀胱体积％。使用Prime（R）的预扫描功能并未进一步提高精度。

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