Abnormal placentation: Twenty-year analysis - 18/08/11
Abstract |
Objective |
This study was undertaken to determine whether the rate of abnormal placentation is increasing in conjunction with the cesarean rate and to evaluate incidence, risk factors, and outcomes.
Study design |
Cases from 1982-2002 were identified by histopathologic or strong clinical criteria. Risk factors were assessed in a matched case-control study, and analyzed using conditional logistic regression models.
Results |
There were 64,359 deliveries, with cesarean rates increasing from 12.5% (1982) to 23.5% (2002). The overall incidence of placenta accreta was 1 in 533. Significant risk factors for placenta accreta in our final analysis included advancing maternal age (odds ratio [OR] 1.13, 95% CI 1.089-1.194, P < .0001), 2 or more cesarean deliveries (OR 8.6, 95% CI 3.536-21.078, P < .0001), and previa (OR 51.4, 95% CI: 10.646-248.390, P < .0001).
Conclusion |
The rate of placenta accreta increased in conjunction with cesarean deliveries; the most important risk factors were previous cesarean delivery, previa, and advanced maternal age.
Le texte complet de cet article est disponible en PDF.Key words : Placenta accreta, Abnormal placentation, Cesarean delivery, Placenta previa
Plan
| Poster presentation at 24th Annual SMFM meeting, New Orleans, La, February 2003. Reprints are not available from the authors. |
Vol 192 - N° 5
P. 1458-1461 - mai 2005 Retour au numéro
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