Exploring the characteristics of detrusor after contraction in females with pure urodynamic stress incontinence.

IF 1.7 3区医学 Q3 UROLOGY & NEPHROLOGY BMC Urology Pub Date : 2025-01-13 DOI:10.1186/s12894-025-01691-0

Xiao Zeng, Hong Shen, Deyi Luo, Tao Jin

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Abstract

Purpose: This study aims to evaluate detrusor after contraction (DAC) characteristics in females with pure urodynamic stress incontinence (USI).

Methods: We examined the urodynamics database from our urodynamic study center. Urodynamic data from pure USI cases with and without DAC were compared. DAC was categorized based on morphological features, and urodynamic parameters in different subgroups were analyzed.

Results: A total of 61 female pure USI patients met all the study requirements. Among them, there were 27 cases of pure USI with DAC and 34 cases of pure USI without DAC. The incidence of pure USI with DAC in the overall female sample was 2.5%.Significant differences were observed in Q_max between pure USI with DAC and pure USI without DAC (20.1 ± 7.2 vs. 13.0 ± 6.8, p = 0.00), as well as in Pdet_qmax (24.3 ± 15.1 vs. 16.3 ± 9.8, p = 0.02). Comparing parameters among the three subtypes of DAC revealed statistical differences in uroflow time: Type 1 DAC vs. Type 2 DAC vs. Type 3 DAC [21(20,22.5) vs. 22(16,27) vs. 30(26.8,30.8), p = 0.02], and in the maximum DAC contraction amplitude [64(46.5,107) vs. 39(25.5,48) vs. 45.5(24,74.8), p = 0.03]. Additionally, DAC was categorized into three subgroups: Type 1, Type 2, and Type 3.

Conclusions: This study offers an initial exploration of morphological and mathematical aspects of DAC in urodynamics involving females with pure USI. The findings also suggest DAC may serve as a potential new indictor of bladder function in females with pure USI.

Trial registration: Not applicable.

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探讨女性单纯尿动力应激性尿失禁后逼尿肌收缩的特点。

目的：本研究旨在评估女性纯尿动力应激性尿失禁（USI）的逼尿肌收缩后（DAC）特征。方法：我们检查尿动力学研究中心的尿动力学数据库。比较单纯USI患者伴与不伴DAC的尿动力学数据。根据形态学特征对DAC进行分类，分析不同亚组的尿动力学参数。结果：61例女性单纯USI患者符合全部研究要求。其中单纯USI合并DAC 27例，单纯USI不合并DAC 34例。在整个女性样本中，纯USI伴DAC的发生率为2.5%。加DAC的纯USI与不加DAC的纯USI的Qmax（20.1±7.2比13.0±6.8,p = 0.00）和Pdetqmax（24.3±15.1比16.3±9.8,p = 0.02）差异有统计学意义。三种DAC亚型的参数比较显示尿流时间的统计学差异：1型DAC与2型DAC与3型DAC[21（20,22.5）、22（16,27）、30(26.8,30.8),p = 0.02]，以及最大DAC收缩幅度[64（46.5,107）、39（25.5,48）、45.5(24,74.8),p = 0.03]。此外，DAC分为三个亚组：1型，2型和3型。结论：本研究对纯USI女性患者尿动力学中DAC的形态学和数学方面进行了初步探索。研究结果还表明，DAC可能作为纯USI女性膀胱功能的潜在新指标。试验注册：不适用。

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来源期刊

BMC Urology UROLOGY & NEPHROLOGY-

CiteScore

3.20

自引率

0.00%

发文量

177

审稿时长

>12 weeks

期刊介绍： BMC Urology is an open access journal publishing original peer-reviewed research articles in all aspects of the prevention, diagnosis and management of urological disorders, as well as related molecular genetics, pathophysiology, and epidemiology. The journal considers manuscripts in the following broad subject-specific sections of urology: Endourology and technology Epidemiology and health outcomes Pediatric urology Pre-clinical and basic research Reconstructive urology Sexual function and fertility Urological imaging Urological oncology Voiding dysfunction Case reports.