Comparison of Bladder Filling vs. Non-Filling in Cesarean Hysterectomy for Placenta Percreta

NCT ID: NCT04210479

Last Updated: 2019-12-24

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

64 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-01-15

Study Completion Date

2021-06-30

Brief Summary

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The placenta accreta spectrum (PAS) which includes accreta, increta, and percreta represents a significant obstetric challenge. PAS complicates as many as 1 per 500 pregnancies and this risk is increased with prior cesarean deliveries. Antenatal diagnosis of PAS allows for multidisciplinary planning and delivery before the onset of labor and/or vaginal bleeding. This approach has reduced maternal morbidity rates. including less blood loss, fewer transfusion requirements and, intraoperative urinary tract injury as well as improve fetal outcome.

Ultrasound evaluation is the recommended first-line modality for diagnosing PAS. Ultrasound features suggestive of PAS include loss of the normal retroplacental clear zone, attenuation of the uterine-bladder interface, reduced retroplacental myometrial thickness, presence of intraplacental lacunar spaces, and bridging vessels between the placenta and bladder. A systematic review reported that the antenatal diagnosis of PAS significantly lowered the rate of urinary tract injury (from 63% to 39%) during cesarean hysterectomies in these cases.

Unlike other elective cesarean hysterectomies, cesarean hysterectomy with a placenta previa increta/percreta, is more difficult. There is a greater need to both keep a margin from the vascular cervical-placental mass and simultaneously protect the urinary bladder. Case series reported that bladder filling helps the surgeon to more clearly identify the planes of dissection and secure the engorged aberrant vessels, thereby reduces bladder injury. Accordingly, a prospective randomized study in pregnant patients with placenta previa increta/percreta undergoing elective cesarean hysterectomy will be conducted to address this important issue.

Detailed Description

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Conditions

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Placenta Accreta

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Filled-bladder

Bladder filling with 300ml diluted methylene blue.

Group Type EXPERIMENTAL

Filled-bladder

Intervention Type PROCEDURE

Urinary bladder filling with 300 ml diluted methylene blue

non filled-bladder

Group Type ACTIVE_COMPARATOR

non filled-bladder

Intervention Type PROCEDURE

Pull up the empty (non-filled) urinary bladder using Allis forceps

Interventions

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Filled-bladder

Urinary bladder filling with 300 ml diluted methylene blue

Intervention Type PROCEDURE

non filled-bladder

Pull up the empty (non-filled) urinary bladder using Allis forceps

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Pregnant women in their third trimester (35-37 W).
* Placenta previa accreta spectrum identified by the Ultrasound (low lying anterior or major degree anterior).
* With at least one prior cesarean section.
* Elective cesarean hysterectomy.
* Evidence of gross placental invasion at the time of surgery (FIGO grade 3a.

Exclusion Criteria

* Patients undergoing conservative treatment.
* Emergency cesarean hysterectomy.
* No evidence of gross placental invasion at the time of surgery.
* Posterior placenta.
Minimum Eligible Age

18 Years

Maximum Eligible Age

44 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Hatem AbuHashim

OTHER

Sponsor Role lead

Responsible Party

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Hatem AbuHashim

Professor

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Hatem Abu Hashim, MD. FRCOG. PhD

Role: STUDY_CHAIR

Faculty of Medicine, Mansoura University

Mostafa Aboelenin, MBBCh

Role: PRINCIPAL_INVESTIGATOR

Samnoud General Hospital

Central Contacts

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Hatem Abu Hashim, MD.FRCOG.PhD

Role: CONTACT

Phone: +20502300002

Email: [email protected]

References

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Matsubara S. Caesarean hysterectomy for placenta praevia accreta: filling the bladder technique to identify an appropriate bladder separation site. J Obstet Gynaecol. 2013 Feb;33(2):163-4. doi: 10.3109/01443615.2012.740525. No abstract available.

Reference Type RESULT
PMID: 23445140 (View on PubMed)

Other Identifiers

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MS.19.12.939

Identifier Type: -

Identifier Source: org_study_id