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. 2021 Jan;13(1):13-16.
doi: 10.1111/luts.12356. Epub 2020 Oct 7.

Clinical diagnostic criteria for detrusor underactivity: A report from the Japanese Continence Society working group on underactive bladder

Masaki Yoshida  1 , Naritoshi Sekido  2 , Yoshihisa Matsukawa  3 , Makoto Yono  4 , Osamu Yamaguchi  5
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Clinical diagnostic criteria for detrusor underactivity: A report from the Japanese Continence Society working group on underactive bladder

Masaki Yoshida et al. Low Urin Tract Symptoms. 2021 Jan.

Abstract

Detrusor underactivity (DU) is a common bladder dysfunction that causes lower urinary tract symptoms (LUTS) in both men and women. Currently DU can only be diagnosed by an invasive urodynamic test. Underactive bladder (UAB) is the symptom-based correlate of DU, as is the case with overactive bladder (OAB) and detrusor overactivity (DO). The International Continence Society (ICS) consensus group has recently proposed a working definition of UAB as a symptom syndrome suggestive of DU. However, a symptom complex of UAB is shared by LUTS attributable to bladder outlet obstruction (BOO). Thus, UAB is not specific for DU, leading to difficulties in determining a therapeutic target (DU or BOO) in the initial management of UAB. Under these circumstances, a consensus group was formed under the auspices of the Japanese Continence Society (JCS) and diagnostic criteria were produced to potentially identify patients likely to have DU, without a pressure/flow study-based diagnosis. Certain symptoms and several noninvasive test parameters have been reported as clinical predictors of DU, and were suggested to discriminate DU from BOO. Of these predictive factors, the more commonly used parameters were used to develop clinical diagnostic criteria for DU. This article presents the clinical diagnostic criteria for DU proposed by the JCS consensus group and aims to summarize the background discussion by the group.

Keywords: bladder outlet obstruction; detrusor underactivity; diagnostic criteria; underactive bladder.

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