Monday, 2 December 2024

How to Deal With Morbidly Adherent Placenta (MAP)

Managing a morbidly adherent placenta (MAP), which includes conditions like placenta accreta, increta, and percreta, is challenging and requires a multidisciplinary approach. Below are the key steps in the management process:


1. Antenatal Diagnosis 

Suspect MAP in all patients with previous cesarean or uterine surgery and if the placenta is anteriorly located. 

• Ultrasound with Doppler is the primary tool for diagnosing MAP.

• MRI may be used in uncertain cases or to assess the extent of invasion.

• Early diagnosis allows for better planning, including scheduling delivery in a tertiary care center.




2. Multidisciplinary Planning

Involves a team of:

• Obstetricians (Maternal-Fetal Medicine specialists if available)

• Anesthesiologists

• Interventional radiologists

• Neonatologists

• Urologists or general surgeons (if bladder or bowel involvement is suspected)

• Blood bank team

Planning includes:

• Counseling the patient about risks, delivery timing, and possible hysterectomy.

• Ensuring adequate blood products are available.


3. Timing and Mode of Delivery

• Elective cesarean section is typically scheduled around 34-36 weeks, after steroid administration for fetal lung maturity.

• Vaginal delivery is contraindicated due to the risk of severe hemorrhage.


4. Intraoperative Management

• Cesarean hysterectomy (CH) is the definitive treatment in most cases: Subtotal hysterectomy with minimise bleeding & injuries to the bladder in my opinion . Based on personal experience. 




• Deliver the baby via a classical uterine incision (avoiding the placenta).

• Leave the placenta in situ to minimize hemorrhage, before proceeding with CH

• Proceed with a planned Cesarean hysterectomy on step wise manner. 

• Uterine artery embolization or balloon occlusion catheters can be used to reduce blood loss prior to CH 

• Massive hemorrhage protocol should be in place, with cross-matched blood, platelets, and coagulation factors ready at the time of CH 


If hysterectomy is not performed:

• Consider leaving the placenta in situ with close follow-up, but this is reserved for selected cases and carries risks like infection or delayed hemorrhage.



5. Postoperative Care: HDU/  ICU 

• Monitor for complications such as:

• Infection

• Secondary hemorrhage

• Coagulopathy

• Administer thromboprophylaxis as per risk assessment.


Key Challenges

• Massive hemorrhage is the leading cause of maternal morbidity and mortality in MAP.

• Bladder injury is common in placenta percreta cases.

• Emotional support and psychological counseling may be necessary, especially if hysterectomy affects future fertility.