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Escalating placenta invasiveness: repeated placenta accreta at the limit of viability.

ABSTRACT: Placenta percreta is an obstetric condition in which the placenta invades through the myometrium. This is the most severe form of placenta accreta and may result in spontaneous uterine rupture, a rare complication that threatens the life of both mother and fetus. In this case report, we describe a 32-year-old woman in her fourth pregnancy, diagnosed with repeated placenta accreta, which was eventually complicated by spontaneous uterine rupture at 24 weeks' gestation. This patient had a history of abnormal placentation in prior pregnancies and previous uterine injuries. This case demonstrates a pattern of escalating placental invasiveness, and raises questions regarding the process of abnormal placentation and the manifestation of uterine rupture in scarred uteri.

SUBMITTER: Greenbaum S

PROVIDER: S-EPMC4846064 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Escalating placenta invasiveness: repeated placenta accreta at the limit of viability.

Greenbaum Shirley S Khashper Alla A Leron Elad E Ohana Eric E Meirovitz Mihai M Hershkovitz Reli R Erez Offer O

International journal of women's health 20160415

Placenta percreta is an obstetric condition in which the placenta invades through the myometrium. This is the most severe form of placenta accreta and may result in spontaneous uterine rupture, a rare complication that threatens the life of both mother and fetus. In this case report, we describe a 32-year-old woman in her fourth pregnancy, diagnosed with repeated placenta accreta, which was eventually complicated by spontaneous uterine rupture at 24 weeks' gestation. This patient had a history o ...[more]

PMID: 27143953

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Project description:OBJECTIVE:To estimate the prevalence and incidence of placenta previa complicated by placenta accreta spectrum (PAS) and to examine the different criteria being used for the diagnosis. DESIGN:Systematic review and meta-analysis. DATA SOURCES:PubMed, Google Scholar, ClinicalTrials.gov and MEDLINE were searched between August 1982 and September 2018. ELIGIBILITY CRITERIA:Studies reporting on placenta previa complicated by PAS diagnosed in a defined obstetric population. DATA EXTRACTION AND SYNTHESIS:Two independent reviewers performed the data extraction using a predefined protocol and assessed the risk of bias using the Newcastle-Ottawa scale for observational studies, with difference agreed by consensus. The primary outcomes were overall prevalence of placenta previa, incidence of PAS according to the type of placenta previa and the reported clinical outcomes, including the number of peripartum hysterectomies and direct maternal mortality. The secondary outcomes included the criteria used for the prenatal ultrasound diagnosis of placenta previa and the criteria used to diagnose and grade PAS at birth. RESULTS:A total of 258 articles were reviewed and 13 retrospective and 7 prospective studies were included in the analysis, which reported on 587 women with placenta previa and PAS. The meta-analysis indicated a significant (p<0.001) heterogeneity between study estimates for the prevalence of placenta previa, the prevalence of placenta previa with PAS and the incidence of PAS in the placenta previa cohort. The median prevalence of placenta previa was 0.56% (IQR 0.39-1.24) whereas the median prevalence of placenta previa with PAS was 0.07% (IQR 0.05-0.16). The incidence of PAS in women with a placenta previa was 11.10% (IQR 7.65-17.35). CONCLUSIONS:The high heterogeneity in qualitative and diagnostic data between studies emphasises the need to implement standardised protocols for the diagnoses of both placenta previa and PAS, including the type of placenta previa and grade of villous invasiveness. PROSPERO REGISTRATION NUMBER:CRD42017068589.

Dataset Information

Escalating placenta invasiveness: repeated placenta accreta at the limit of viability.

Publications

Escalating placenta invasiveness: repeated placenta accreta at the limit of viability.

Similar Datasets

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