Diffusion MRI based Myometrium Tractography Quantitative Analysis for Detection of Placenta Accreta Spectrum disorder

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200057971

Enrollment

Unknown

Registered

2022-03-24

Start date

2022-03-10

Completion date

Unknown

Last updated

2023-11-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Placenta Accreta Spectrum disorder

Interventions

Gold Standard:Intraoperative findings and pathological results

Index test:Diffusion magnetic resonance imaging based on quantitative analysis of uterine fiber tracking

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Pregnant women with GA greater than 28 weeks; 2. Patients with risk factors for PAS disorders; 3. Complete anatomical and dMRI scans.

Exclusion criteria

Exclusion criteria: 1. Contraindications to MRI examination; 2. Pregnancy with uterine fibroids, adenomyosis, or other quality issues affecting SNR of the myometrium.

Design outcomes

Primary

Measure	Time frame
Sensitivity;Specificity;Positive predictive value;Negative predictive value;Receiver operating characteristic curve;	—

Secondary

Measure	Time frame
the average length of the uterine muscle fibers;the average length density of the uterine muscle fibers;	—

Countries

China

Contacts

Public ContactGuohui Yan

Women's Hospital, Zhejiang University School of Medicine

yanguohui@zju.edu.cn+86 18258202358

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026