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Introduction <p>When pelvic organ prolapse (POP) patients change from pessary to surgical treatment, new POP quantification is often necessary. However, the time to maximal POP recurrence after pessary removal is unclear. This video-article illustrates the variation over time of POP extent after pessary removal.</p> Methods <p>Upright MRI scans of 12 POP patients were used to measure the distances from the lowest points of bladder and cervix to the Pelvic Inclination Correction System (PICS)) line, with the pessary in situ, immediately, 4 and 8 h after pessary removal. Statistical differences between time points were determined.</p> Results <p>The bladder descended immediately after pessary removal from a median of 0.1 cm above to 1.8 cm below the PICS line. In 58% of patients, the bladder then remained stable; in 33%, the bladder further descended up to 5.4 cm after 4 to 8 h. The cervix descended immediately after pessary removal from a median of 3.1 cm to 1.9 cm above the PICS line. In 17% of patients, a late cervix descent after 4–8 h was seen.</p> Conclusion <p>POP quantification should be delayed at least 8 h after pessary removal to prevent underestimation of POP extent.</p>

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Pelvic Organ Prolapse Quantification After Pessary Removal: The Use of Upright MRI in POP Research

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月4日

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  • Annemarie van der Steen,
  • Frank F. J. Simonis,
  • Anique T. M. Grob

摘要

Introduction

When pelvic organ prolapse (POP) patients change from pessary to surgical treatment, new POP quantification is often necessary. However, the time to maximal POP recurrence after pessary removal is unclear. This video-article illustrates the variation over time of POP extent after pessary removal.

Methods

Upright MRI scans of 12 POP patients were used to measure the distances from the lowest points of bladder and cervix to the Pelvic Inclination Correction System (PICS)) line, with the pessary in situ, immediately, 4 and 8 h after pessary removal. Statistical differences between time points were determined.

Results

The bladder descended immediately after pessary removal from a median of 0.1 cm above to 1.8 cm below the PICS line. In 58% of patients, the bladder then remained stable; in 33%, the bladder further descended up to 5.4 cm after 4 to 8 h. The cervix descended immediately after pessary removal from a median of 3.1 cm to 1.9 cm above the PICS line. In 17% of patients, a late cervix descent after 4–8 h was seen.

Conclusion

POP quantification should be delayed at least 8 h after pessary removal to prevent underestimation of POP extent.