Value of transperineal ultrasonography in grading diagnosis of different degrees of stress urinary incontinence

doi:10.3877/cma.j.issn.1672-6448.2021.01.015

Abstract

Abstract:

Objective

To evaluate the value of transperineal ultrasonography in the grading diagnosis of stress urinary incontinence (SUI) of different degrees.

Methods

The SUI patients who were hospitalized at the Affiliated Hospital of North China University of Science and Technology were selected as a study group from September 2016 to February 2019 (56 mild patients, 48 moderate patients, and 30 severe patients), and 40 patients who were confirmed as having no SUI after health examination were selected as a control group. All subjects were examined by transperineal ultrasonography to measure the distance of backward moving of the bladder neck in X-axis (ΔDx), the distance of downward moving of the bladder neck in Y axis (ΔDy), the mobility of the bladder neck (Mu), and the rotation angle of the bladder neck (θ). The above parameters were analyzed and compared by analysis of variance, and the receiver operating characteristic (ROC) curves of these parameters were plotted for SUI patients of different degrees to determine their diagnostic thresholds.

Results

The differences of ΔDx, ΔDy, Mu, and θ among the four groups were statistically significant (P<0.05), and showed an increasing trend with the increase of SUI severity. ROC curve analysis showed that the cutoff values, sensitivities and specificities of ΔDy, Mu, and θ for diagnosing SUI were 10.56 mm, 55.2%, 97.5%; 11.66 mm, 80.6%, 90.5%; 24.18°, 82.1%, 92.5%, respectively. The cutoff values, sensitivities and specificities of ΔDx, ΔDy, Mu, and θ for diagnosing moderate and severe SUI were 6.31 mm, 50.0% and 88.8%; 10.64 mm, 68.4% and 78.6%; 12.75 mm, 97.4% and 75.5%; 28.85°, 84.2% and 84.7%, respectively. The cutoff values, sensitivities and specificities of ΔDy, Mu, and θ for diagnosing severe SUI were 9.36 mm, 86.7% and 59%; 15.09 mm, 93.3% and 88.2%; 34.75°, 90.0% and 86.1%, respectively.

Conclusion

Transperineal ultrasonography plays an important role in the diagnosis of SUI, and Mu and θ values are of great significance in the diagnosis of SUI and evaluating its severity, and could be used as diagnostic parameters for SUI.

Key words: Stress urinary incontinence, Transperineal ultrasound, Ultrasonography

Ning Li, Lin Ma, Yanmin Kan, Xiaosong Li, Jie Li. Value of transperineal ultrasonography in grading diagnosis of different degrees of stress urinary incontinence[J]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2021, 18(01): 74-78.

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Figures/Tables 6

References 19

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组别	例数	年龄（岁）	体质量指数（kg/cm²）	孕次（次）	产次（次）
正常对照组	40	37（35，43）	23.32（22.18，25.01）	2（2，2）	2（1.25，2）
轻度SUI组	56	36（34，43）	24.28（22.12，26.23）	2（1，2）	2（1，2）
中度SUI组	48	43（34，46）	24.43（22.25，26.17）	2（1，3）	2（1，2）
重度SUI组	30	43（35，46）	24.50（23.02，26.12）	2（2，3）	2（2，2）
χ²值		5.782	3.917	3.721	1.388
P值		0.123	0.271	0.293	0.708

组别	例数	年龄（岁）	体质量指数（kg/cm²）	孕次（次）	产次（次）
正常对照组	40	37（35，43）	23.32（22.18，25.01）	2（2，2）	2（1.25，2）
轻度SUI组	56	36（34，43）	24.28（22.12，26.23）	2（1，2）	2（1，2）
中度SUI组	48	43（34，46）	24.43（22.25，26.17）	2（1，3）	2（1，2）
重度SUI组	30	43（35，46）	24.50（23.02，26.12）	2（2，3）	2（2，2）
χ²值		5.782	3.917	3.721	1.388
P值		0.123	0.271	0.293	0.708

组别	例数	ΔDx（mm）	ΔDy（mm）	Mu（mm）	θ（°）
正常对照组	40	4.19±1.56	6.43±2.49	9.40±1.73	16.87±5.48
轻度SUI组	56	4.53±1.69	8.86±3.23^a	11.80±1.70^a	25.79±5.53^a
中度SUI组	48	5.90±2.71^ab	11.33±3.88^ab	14.64±1.71^ab	33.12±5.95^ab
重度SUI组	30	6.30±1.62^ab	12.62±2.82^ab	17.63±2.13^abc	45.61±10.65^abc
F值		9.939	27.462	142.597	112.861
P值		<0.001	<0.001	<0.001	<0.001

组别	例数	ΔDx（mm）	ΔDy（mm）	Mu（mm）	θ（°）
正常对照组	40	4.19±1.56	6.43±2.49	9.40±1.73	16.87±5.48
轻度SUI组	56	4.53±1.69	8.86±3.23^a	11.80±1.70^a	25.79±5.53^a
中度SUI组	48	5.90±2.71^ab	11.33±3.88^ab	14.64±1.71^ab	33.12±5.95^ab
重度SUI组	30	6.30±1.62^ab	12.62±2.82^ab	17.63±2.13^abc	45.61±10.65^abc
F值		9.939	27.462	142.597	112.861
P值		<0.001	<0.001	<0.001	<0.001

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