Conservative Treatment of PAS With or Without IIL (PASIIL)

  • STATUS
    Recruiting
  • End date
    Jan 1, 2024
  • participants needed
    90
  • sponsor
    Tanta University
Updated on 13 June 2022

Summary

In the current study, the investigators aimed to compare the benefits of internal iliac ligation in placenta accreta spectrum

Description

This randomized control trial will be conducted at Tanta University hospital, Egypt, from 2022 to 2024. Tanta University Hospital is considered the main tertiary hospital at the center of Nile Delta .

Cases, suspected to have PAS, are recruited from the outpatient clinic, and subsequently transferred for ultrasonod gray scale and dopplar for assessment of placental location, invasion and commont on the fetus .

Cases are diagnosed to have PAS by the following criteria Placenta lacunae , Loss of clear zone , Bladder wall interruption, uterovesical hypervascularity and increased vascularity in inferior part of lower uterine segment extending into parametrial region9 will be included in the study. MRI will be done if ultrasonod isn't conclusive , cases with posterior placenta, depth of placental invasion, relationship to posterior bladder wall and presence of parametrial invasion .

All cases will be subjected to the following:

  1. A written consent will be obtained from the patients after informing them about the risk of intrapartum and postpartum hemorrhage, the need for blood transfusion, and the possibility of hysterectomy if needed to stop massive blood loss. The consent is approved by the medical ethical committee of Tanta University Hospital.
  2. Full history taking with special attention on:
    • Age of the patient .
    • Obstetric History especially number of children and sex .
    • Detailed history of previous deliveries and gynecological procedures.
    • History of any previous surgery.
  3. Full general and abdominal examination including weight, height, body mass index (BMI) and blood pressure.
  4. Routine lab investigation : CBC, coagulation profile ( PT , PTT , Bleeding time , Clotting time ) , ABO , RH Typing , virology .

Randamisation and Allocation :

Patients will be given aclosed envelope containing either letter C or letter I . The envelope that opened by patient will not change allocation .

The enrolled cases will be allocated into two groups with 1:1 allocation. Group 1 :( Study group ) include cases that will undergo bilateral internal iliac arteries ligation .

Group II :( Control group ) will undergo conservative management by three step technique (Shehata's technique) .

Intervention

Preoperative preparation :

Planned elective CS ≤ 37 wk unless the clinical situations necessitate earlier termination of pregnancy.

A multidisciplinary team including a two senior obstetricians, vascular surgeon , a urologist, an anesthesiologist, and a pediatrician are involved in the operation.

Four units of cross-matched blood are prepared for each patient .Ureteric catheters will be prepared to be used when indicated . Drugs that control bleeding will be preparedsuch as Oxytocin, Carbetocin, Ergometrine, Misoprostol and Tranexamic acid.

All cases undergo general anesthesia by a specialized team. The operation started with Pfannenstiel skin incision and careful dissection of urinary bladder till exposing the uterus.

Uterine incision above placental edge will be done to avoid transplacental incision that triggers heavy bleeding and then extraction of the baby with ecbolic administration, the uterus with the placenta inside will be exteriorized outside the abdomen .Redissecion of U.B will be done if previous dissection at the beginning of the surgery is insuffient.

Details
Condition Placenta Accreta, Cesarean Hysterectomy, Pelvic Devascularization
Treatment Ligation of the bilateral internal iliac arteries, Shehat's technique
Clinical Study IdentifierNCT05232981
SponsorTanta University
Last Modified on13 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Age under 35 years old
Prenatally diagnosed placenta accreta
Planned caesarean section ≤ 37 wks
≤ previous 3 ceserian sections
Placenta accretta spectrum grade 1 , 2 ,3
Patients who want to preserve their fertility
Patients who refuse hysterectomy

Exclusion Criteria

Cases with high risk of intraoperative blood loss as hemorrhagic disorders and thrombocytopenia
Cases on anticoagulant therapy
Patients who completed her family
Hemodynamicaly unstable patients
Finally cases who refused to get enrolled in the study
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