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

  • Masaki Yoshida
    Department of Urology National Center for Geriatrics and Gerontology Obu Japan
  • Naritoshi Sekido
    Department of Urology Toho University Medical Center Ohashi Hospital Tokyo Japan
  • Yoshihisa Matsukawa
    Department of Urology Nagoya University Graduate School of Medicine Nagoya Japan
  • Makoto Yono
    Department of Clinical Pharmacology and Urology Nishi‐Kumamoto Hospital, SOUSEIKAI Kumamoto Japan
  • Osamu Yamaguchi
    Department of Chemical Biology and Applied Chemistry School of Engineering, Nihon University Koriyama Japan

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<jats:title>Abstract</jats:title><jats:p>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.</jats:p>

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