Diagnostic performance of three-dimensional high-resolution anorectal manometry in identifying descending perineal syndrome - Takeaways - MDSpire

Diagnostic performance of three-dimensional high-resolution anorectal manometry in identifying descending perineal syndrome

  • By

  • Hua Chu

  • You Wang

  • Chunrong Ma

  • Lijun Du

  • June 9, 2026

  • 0 min

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  • 1

    Three-dimensional high-resolution anorectal manometry (3DHRAM) is evaluated for diagnosing descending perineal syndrome (DPS) in obstructed defecation patients.

  • 2

    The study found that 41.3% of patients presented with DPS as confirmed by conventional defecography (CD).

  • 3

    3DHRAM demonstrated a sensitivity of 0.61 and specificity of 0.76 for detecting DPS, with a Youden index of 0.37.

  • 4

    Combining perineal descent with rectocele and dyssynergic patterns improved diagnostic performance, achieving a specificity of 0.89.

  • 5

    The study suggests 3DHRAM could be a complementary diagnostic tool for DPS, warranting further multi-center studies for validation.

Original Source(s)

Diagnostic performance of three-dimensional high-resolution anorectal manometry in identifying descending perineal syndrome

  • by Hua Chu, You Wang, Chunrong Ma, Lijun Du

  • June 9, 2026

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