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  • Title: Blunt abdominal trauma: are there any predictive factors for abruptio placentae or maternal-fetal distress?
    Author: Dahmus MA, Sibai BM.
    Journal: Am J Obstet Gynecol; 1993 Oct; 169(4):1054-9. PubMed ID: 8238119.
    Abstract:
    OBJECTIVES: Our objectives were to determine the incidence of abruptio placentae and fetal distress in pregnant women with noncatastrophic blunt abdominal trauma and to determine the utility of historical factors, clinical presentation, coagulation profile, and fetal monitoring in predicting fetal and maternal morbidity. STUDY DESIGN: We reviewed 233 consecutive hospitalizations for noncatastrophic blunt abdominal trauma. Outcome variables included abruptio placentae, fetal distress, preterm birth, and abnormal laboratory values. RESULTS: Preterm delivery (< 34 weeks) occurred within 1 week of trauma in only two patients (< 1%). Fetal distress was diagnosed between 4 and 48 hours after observation in four women (1.7%). These four patients had frequent contractions, but none had abruptio placentae at delivery. Six patients (2.6%) had abruptio placentae. None of these had fetal distress. All had a good neonatal outcome. Coagulation studies and Kleihauer-Betke tests were not predictive of fetal or maternal morbidity. CONCLUSION: Noncatastrophic blunt abdominal trauma is associated with a low frequency of abruptio placentae, fetal distress, maternal coagulopathy, and poor neonatal outcome. Prolonged monitoring is indicated only when there is evidence of impending abruptio placentae. Kleihauer-Betke testing is necessary only for patients who are Rh negative. Coagulation profiles are not clinically helpful. Routine hospitalization beyond 4 hours is not warranted.
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