Title: [Maternal factors and perinatal results in placental abruption: a comparative study of two periods]

POPLINE Document Number: 315030

Author(s):

Nomura RM
Cabar FR
Machado TR
Martins AN
Ruocco RM

Source citation:

Revista Brasileira de Ginecologia e Obstetricia, 2006 Jun;28(6):324-330.

Abstract:

The purpose was to compare the maternal factors, clinical aspects and perinatal results in placental abruption during two periods. Retrospective analysis of placental abruption cases that occurred from January 1, 1994 through December 31, 1997 (period 94-97), and from April 4, 2001 through March 3, 2005 (period 01-05), in singleton delivery with birthweight higher than 500 g and after 20 weeks of gestation. The following factors were analyzed: maternal age, previous obstetric history, prenatal care, premature rupture of membranes, obstetric and/or clinical intercurrent events, vaginal bleeding, uterine tonus, fetal anomaly, mode of delivery, hemoamnion and maternal complication (hysterectomy, uterine atony, disseminated intravascular coagulation, acute renal failure, and maternal death), and the perinatal results. The rate of placental abruption was 0.78% (60 cases) in the period 94-97 (n=7692 deliveries), and 0.59% (51 cases) in the period 01-05 (n=8644 deliveries), without significant difference. A significant difference was observed between the periods 94-97 and 01-05 regarding mean number of previous gestations (3.5±2.4 and 2.6±1.8, p=0.04), patients without prenatal care (13.3 and 2.0%, p=0.03) and maternal intercurrences (38.3 and 64.7%, p=0.01). No significant difference was observed related to vaginal bleeding, tonus abnormalities and perinatal results, between the periods, but a higher proportion of hemoamnion in 94-97 was found when compared to 01-05 (28.3 and 11.8%, p=0.03). In spite of obstetrical advances, maternal complications and perinatal results were similar in the analyzed periods. The severity and the unexpected results emphasize the importance of prevention and adequate control of associated factors, when this pathology is approached. (author's)

Keywords:

Research Report
Comparative Studies
Pregnant Women
Pregnancy Complications
Fetal Membranes
Prevalence
Risk Factors
Studies
Research Methodology
Population Characteristics
Demographic Factors
Population
Diseases
Fetus
Pregnancy
Reproduction
Measurement
Biology