Noninvasive Diagnosis of Bladder Outlet Obstruction in Patients with Lower Urinary Tract Symptoms Using Ultrasound Decorrelation Analysis

被引:8
作者
Arif, Muhammad [1 ]
Groen, Jan [1 ]
Boeve, Egbert R. [2 ]
de Korte, Chris L. [3 ]
Idzenga, Tim [1 ,4 ]
van Mastrigt, Ron [1 ]
机构
[1] Erasmus MC, Sect Furore, Dept Urol, Rotterdam, Netherlands
[2] Sint Franciscus Gasthuis & Havenziekenhuis Rotter, Rotterdam, Netherlands
[3] Radboud Univ Nijmegen, Med Ctr, Med UltraSound Imaging Ctr, Dept Radiol & Nucl Med, Amsterdam, Netherlands
[4] Univ Amsterdam, Acad Med Ctr, Dept Urol, Amsterdam, Netherlands
关键词
urinary bladder outlet obstruction; male; lower urinary tract symptoms; ultrasonography; diagnostic imaging; PRESSURE; CRYSTALLURIA; FLOW;
D O I
10.1016/j.juro.2016.02.2966
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Purpose: We developed a noninvasive method to diagnose bladder outlet obstruction. An ultrasound based decorrelation method was applied in male patients with lower urinary tract symptoms. Materials and Methods: In 60 patients ultrasound data were acquired transperineally while they were voiding while sitting. Each patient also underwent a standard invasive pressure flow study. Results: High frequent sequential ultrasound images were successfully recorded during voiding in 45 patients. The decorrelation (decrease in correlation) between subsequent ultrasound images was higher in patients with bladder outlet obstruction than in unobstructed patients and healthy volunteers. ROC analysis resulted in an AUC of 0.96, 95% specificity and 88% sensitivity. A linear relationship was fitted to the decorrelation values as a function of the degree of obstruction represented by the bladder outlet obstruction index, measured in the separate pressure flow studies. Conclusions: It is possible to noninvasively diagnose bladder outlet obstruction using the ultrasound decorrelation technique.
引用
收藏
页码:490 / 497
页数:8
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