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Is placenta accreta catching up with us?
Charles A Armstrong1, Steven Harding, Tom Matthews
1King Edward Memorial Hospital for Women, Perth, Western Australia, Australia. charliesprog@hotmail.com
Summary
Placenta accreta, often linked to prior Cesarean births and placenta previa, is associated with severe maternal morbidity. Early recognition and specialized care are crucial for managing this condition.
Area of Science:
- Obstetrics
- Maternal-Fetal Medicine
- Gynecologic Pathology
Background:
- Rising Cesarean birth rates correlate with increased placenta accreta incidence.
- Abnormal placentation, including placenta accreta, heightens the risk of severe maternal morbidity.
- Understanding contemporary demographics is vital for managing this obstetric complication.
Purpose of the Study:
- To investigate the current demographics of placenta accreta.
- To analyze a 5-year period (1998-2002) in a tertiary teaching hospital.
- To identify risk factors and outcomes associated with placenta accreta.
Main Methods:
- Retrospective review of placenta accreta cases from 1998-2002.
- Case ascertainment through the hospital obstetric database.
- Detailed individual chart review for data extraction.
Main Results:
- 32 cases of placenta accreta identified; median maternal age 34, parity 2.5.
- Strong association with prior Cesarean birth (78%) and placenta previa (88%).
- Ultrasonography sensitivity 63%, specificity 43%; 91% required hysterectomy with 3000 mL median blood loss.
Conclusions:
- Confirmed strong link between placenta accreta, placenta previa, and prior Cesarean birth.
- Placenta accreta poses significant maternal morbidity risks.
- High-risk patients require delivery at specialized centers with adequate resources.