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International Urogynecology Journal

, Volume 30, Issue 4, pp 595–602 | Cite as

Comparison of transperineal ultrasound with POP-Q for assessing symptoms of prolapse

  • Ingrid VolløyhaugEmail author
  • Rodrigo Guzmán Rojas
  • Siv Mørkved
  • Kjell Åsmund Salvesen
Original Article

Abstract

Introduction

Our aim was to study any correlation between pelvic organ prolapse quantification (POP-Q) and ultrasound measurement of prolapse in women from a normal population and to identify the method with a stronger association with prolapse symptoms.

Methods

A cross-sectional study of 590 parous women responding to the Pelvic Floor Distress Inventory was carried out. They were examined using POP-Q and transperineal ultrasound, and correlation was tested using Spearman’s rank test. Numerical measurements and significant prolapse (POP-Q ≥ 2 in any compartment or bladder ≥10 mm, cervix ≥0 mm or rectal ampulla ≥15 mm below the symphysis on ultrasound) were compared in symptomatic and asymptomatic women (Mann–Whitney U and Chi-squared tests).

Results

A total of 256 women had POP-Q ≥ 2 and 209 had significant prolapse on ultrasound. The correlation (rs) between POP-Q and ultrasound was 0.69 (anterior compartment), 0.53 (middle), and 0.39 (posterior), p < 0.01. Women with a “vaginal bulge” (n = 68) had greater descent on POP-Q and ultrasound in the anterior and middle compartments than asymptomatic women, p < 0.01. For women with a symptomatic bulge, the odds ratio was 3.8 (95% CI 2.2–6.7) for POP-Q ≥ grade 2 and 2.4 (95% CI 1.4–3.9) for prolapse on ultrasound. A sensation of heaviness (n = 90) and incomplete bladder emptying (n = 4) were more weakly associated with ultrasound (p = 0.03 and 0.04), and splinting (n = 137) was associated with POP-Q Bp, p = 0.02.

Conclusion

POP-Q and ultrasound measurement of prolapse had moderate to strong correlation in the anterior and middle compartments and weak correlation in the posterior compartment. Both methods were strongly associated with the symptom “vaginal bulge,” but POP-Q had a stronger association than ultrasound.

Keywords

Pelvic organ prolapse POP-Q Transperineal ultrasound 

Notes

Acknowledgements

We thank Christine Østerlie and Tuva K. Halle for help with identifying potential study participants and Guri Kolberg for help with the coordination of clinical examinations.

Funding

The study was financially supported by the Norwegian Women’s Public Health Association/the Norwegian Extra Foundation for Health and Rehabilitation through Extra funds, Trondheim University Hospital, Norway, and by Desarrollo médico, Clínica Alemana de Santiago. The funders played no role in the study design; in the collection, analysis, and interpretation of data; or in the writing of the report and decision to submit the article for publication. All researchers were independent from the funders.

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no conflicts of interest.

Supplementary material

192_2018_3722_MOESM1_ESM.pptx (42 kb)
ESM 1 (PPTX 41 kb)

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Copyright information

© The International Urogynecological Association 2018

Authors and Affiliations

  1. 1.Department of Obstetrics and GynecologyTrondheim University HospitalTrondheimNorway
  2. 2.Department of Clinical and Molecular MedicineNorwegian University of Science and TechnologyTrondheimNorway
  3. 3.Departamento de Ginecología y Obstetricia, Facultad de MedicinaClínica Alemana—Universidad del DesarrolloSantiagoChile
  4. 4.Departamento de Ginecología y ObstetriciaHospital Clínico de la Universidad de ChileSantiagoChile
  5. 5.Department of Public Health and NursingNorwegian University of Science and TechnologyTrondheimNorway
  6. 6.Research DepartmentTrondheim University HospitalTrondheimNorway

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