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PubMed1985

Fetomaternal hemorrhage following trauma.

Fetomaternal hemorrhage can result from different types of trauma and may be followed by fetal anemia, fetal death, or isoimmunization. We prospectively studied the frequency and volume of fetomaternal hemorrhage, fetal well-being, abruptio placentae, and fetal outcome in 32 pregnant patients suffering recent trauma. Fetomaternal hemorrhage occurred in nine of 32 trauma patients (28%) with a mean volume of 16 ml +/- 14.3(SD). There was a statistically significant difference in the frequency and mean volume of fetomaternal hemorrhage in this group over that in gestational-age-matched controls. Neither the nature of the trauma nor the gestational age was related to the frequency or volume of fetomaternal hemorrhage. The outcome in three of the nine trauma patients who sustained fetomaternal hemorrhage was poor; fetal anemia, paroxysmal atrial tachycardia, and fetal death occurred in each one. Maternal trauma remains a significant cause of maternal and fetal morbidity and death, and the use of the Kleihauer-Betke analysis is indicated to identify fetomaternal hemorrhage. Rh-immune globulin therapy should be given to Rh-negative patients with fetomaternal hemorrhage.

Abdominal Injuries↗
PubMed1985

Single injection of terbutaline in term labor. I. Effect on fetal pH in cases with prolonged bradycardia.

Thirty-three patients with prolonged fetal bradycardia (fetal heart rate baseline less than 100 bpm for a minimum of 3 minutes or less than 80 bpm for at least 2 minutes) in labor were studied. They were treated with a bolus injection of terbutaline if the bradycardia persisted at less than 80 bpm for 2 minutes and other efforts to improve the fetal heart rate (oxygen, positional changes) had failed. After the bolus injection a scalp blood pH (or a cord arterial pH in abdominal deliveries) was obtained within 30 minutes. Fetal acidosis was common if the bradycardia lasted 10 minutes or more, particularly if the rate was less than 80 bpm with a flat baseline for 4 minutes or more. The fetal heart rate improved after injection in 30 cases; 23 patients had vaginal delivery of infants in good condition. Ten underwent cesarean section: three for no improvement in fetal heart rate, two for cord prolapse, four for later ominous fetal heart rate, and one for failure to progress. These results suggest that tocolysis in selected cases can be of benefit for the fetus with prolonged bradycardia. In cases with an ominous fetal heart rate pattern preceding the bradycardia and in abruptio placentae immediate operative intervention without delay is probably better. Administration of terbutaline should be regarded as a temporary measure until it is apparent that the fetal heart rate has recovered. Preparation for emergency delivery should be made while a recovery is awaited.

Female↗
PubMed1987

Pulmonary edema in severe preeclampsia-eclampsia: analysis of thirty-seven consecutive cases.

During approximately a 9-year period, 37 severe preeclamptic-eclamptic patients had pulmonary edema for an incidence of 2.9%. The incidence was significantly higher in older patients (p less than 0.0001) and in multigravid patients (p less than 0.05). Eleven (30%) had antepartum edema with 10 (90%) of the 11 having preexisting chronic hypertension. Twenty-six (70%) had postpartum edema with an average onset of 71 hours post partum. The majority of these patients had excessive colloid and crystalloid infusions for various medical, surgical, and obstetric complications. There were four maternal deaths and morbidity was significant. Eighteen patients had disseminated intravascular coagulopathy, 17 had sepsis, 12 had abruptio placentae, 10 had acute renal failure, six had hypertensive crisis, five had cardiopulmonary arrest, two had rupture of the liver, and two had ischemic cerebral damage. The overall perinatal mortality was 530/1000 and neonatal morbidity was significant. Pulmonary edema is infrequent in severe preeclampsia-eclampsia without associated medical, surgical and obstetric complications. The occurrence of pulmonary edema in such patients is associated with high maternal and perinatal mortality and morbidity.

Adult↗
PubMed1988

How Swedish obstetricians manage premature rupture of the membranes in preterm gestations.

Fifty-two of 53 obstetric departments in Sweden answered a questionnaire concerning preterm premature rupture of membranes. The answers formed the basis for a consensus conference and a symposium, which resulted in the following recommendations. The pregnancy should be interrupted when preterm premature rupture of membranes occurs before week 20 of gestation; individualized management is needed for preterm premature rupture of membranes between 20 and 25 weeks. After 25 weeks, institute hospitalization and bed rest, with a body temperature check twice a day, electronic fetal heart rate monitoring daily, and ultrasonography every second week. Cervical and urethral flora should be cultured once a week. Antibiotic infusion and prompt delivery should be instituted if an intrauterine infection occurs, and tocolysis is called for in cases of preterm labor in which intrauterine infection and abruptio placentae can be excluded. Labor should be induced between 32 and 34 weeks' gestation if spontaneous contractions do not occur. Cesarean section should be considered in cases of breech presentation earlier than 34 weeks, with delivery in a hospital with a neonatal intensive care unit if before 32 weeks' gestation.

Abortion, Induced↗
PubMed1989

Predictive values, relative risks, and overall benefits of high and low maternal serum alpha-fetoprotein screening in singleton pregnancies: new epidemiologic data.

In a prospective study of maternal serum alpha-fetoprotein screening for both high and low values, we assessed the overall predictive value, sensitivity, specificity and relative risks for congenital defects and complications of pregnancy. Among 13,486 women with singleton pregnancies interviewed at the time of screening (15 to 20 weeks of gestation), 3.9% had high and 3.4% had low values. A high maternal serum alpha-fetoprotein value was associated with the following adverse outcomes: neural tube defects (relative risk = 224), other major congenital defects (relative risk = 4.7), fetal deaths (relative risk = 8.1), neonatal death (relative risk = 4.7), low birth weight (relative risk = 4.0), newborn complications (relative risk = 3.6), oligohydramnios (relative risk = 3.4), abruptio placentae (relative risk = 3.0) and preeclamptic toxemia (relative risk = 2.3). A low maternal serum alpha-fetoprotein value was associated with chromosomal defects (relative risk = 11.6) for fetal death (relative risk = 3.3). Either high or low maternal serum alpha-fetoprotein values were associated with 34.2% of all major congenital defects, 19.1% of all stillbirths and fetal-neonatal deaths, 11.0% of major pregnancy complications, and 15.9% of serious newborn complications. Maternal serum alpha-fetoprotein screening provides an important adjunctive tool for the identification of high-risk pregnancy and adverse neonatal outcome.

Adolescent↗
PubMed1990

Pregnancy outcome and fetomaternal hemorrhage after noncatastrophic trauma.

Two hundred five consecutive cases of noncatastrophic trauma occurring during the second half of pregnancy were evaluated prospectively. Pregnancy complications as a result of trauma occurred in 18 of 205 patients (8.8%): premature labor (n = 10), placental separation (n = 5), fetal injury (n = 1), and fetal death (n = 2). Multiple regression analysis of the data base showed obstetric findings (contractions, uterine tenderness, and bleeding) on presentation to be highly associated with complications (17/88; 19.3%). In their absence complications were rare (1/117; 0.9%). Detectable fetomaternal hemorrhage was significantly more common in trauma patients (18/205) than in control subjects (2/110) (p less than 0.01), but its role in managing trauma patients was limited to detection of rare massive hemorrhage (1/205) and detection of rare hemorrhage exceeding that covered by the standard Rho (D) immune globulin dose (2/205). Fetomaternal hemorrhage need not be quantitated in patients who lack obstetric findings on presentation. Despite rare reports of delayed abruptio placentae, it is doubtful that prolonged observation (greater than 2 to 3 hours) in the hospital is necessary in patients who lack obstetric findings on initial presentation.

Accidents, Traffic↗
PubMed1990

Acute renal failure in hypertensive disorders of pregnancy. Pregnancy outcome and remote prognosis in thirty-one consecutive cases.

The purpose of this study is to report short-term pregnancy outcome, subsequent pregnancy outcome, and remote prognosis (follow-up from 0.3 to 9.8 years) in 31 cases complicated by acute renal failure. Eighteen patients had "pure" preeclampsia and 12 patients (13 pregnancies) had chronic hypertension, parenchymal renal disease, or both before pregnancy. All patients had serial evaluation of renal function, urine microscopy, and electrolyte studies at the onset of acute renal failure and on follow-up. There were three immediate maternal deaths (two in the pure preeclampsia group and one in the other group). Nine patients (50%) in the "pure" group required dialysis during hospitalization and all 18 patients had acute tubular necrosis. Five patients (42%) in the other group required immediate dialysis and three patients had bilateral cortical necrosis. The majority of pregnancies in both groups were complicated by abruptio placentae and hemorrhage. All 16 surviving patients in the pure preeclampsia group had normal renal function on long-term follow-up (average 4.0 +/- 3.1 years). Conversely, nine of the 11 surviving patients in the second group required long-term dialysis on follow-up and four of them ultimately died of end-stage renal disease. We conclude that proper management of acute renal failure in patients with pure preeclampsia-eclampsia does not result in residual function impairment.

Acute Kidney Injury↗
PubMed1990

Eclampsia. VI. Maternal-perinatal outcome in 254 consecutive cases.

During a 12-year period, 254 cases of eclampsia were managed at this center. Eighty patients (32%) did not have edema, 58 (23%) had "relative hypertension," and 49 (19%) did not have proteinuria at the time of convulsions. Eclampsia developed at less than or equal to 20 weeks in 6 patients and beyond 48 hours post partum in 40 (16%). Convulsions developed in 33 while they were receiving standard doses of magnesium sulfate for preeclampsia during or after birth, and subsequent seizures developed in 36 (14%) after magnesium sulfate therapy was started. There was one maternal death (0.4%) and morbidity was frequent (acute renal failure, 4.7%; pulmonary edema, 4.3%; cardiorespiratory arrest, 3.1%; and aspiration, 2%. The use of multiple drug therapy was associated with significant maternal and neonatal complications. The total perinatal mortality was 11.8%, with the majority of them related to either abruptio placentae or extreme prematurity. These findings emphasize the need for intensive monitoring of women with preeclampsia throughout hospitalization and underscore the importance of maternal stabilization before and during transfer.

Adolescent↗
PubMed1990

A comparison of no medication versus methyldopa or labetalol in chronic hypertension during pregnancy.

Three hundred women with mild chronic hypertension at 6 to 13 weeks' gestation were randomly allocated to receive either methyldopa or labetalol or be in the control group. Thirty-seven women (12%) were excluded for various reasons. Of the remaining 263 patients, 90 received no drug, 87 received methyldopa, and 86 received labetalol. All 263 were followed throughout pregnancy with serial renal function tests and serial assessment of fetal status. There were no differences among the three groups in mean systolic or diastolic blood pressures, mean gestational age, or initial laboratory findings at time of entry. Patients treated with medications had significantly lower (p less than 0.0001) systolic and diastolic blood pressures throughout gestation compared with the no-medication group. Among the control group there was a spontaneously significant lowering (p less than 0.0001) of both systolic and diastolic blood pressures at 14 to 26 weeks' gestation. However, there were no differences among the three groups regarding the incidences of either superimposed preeclampsia (15.6%, 18.4%, and 16.3%, respectively), abruptio placentae (2.2%, 1.1%, and 2.3%, respectively), or preterm delivery (10%, 12.5%, and 11.6%, respectively). In addition, there were no differences among the groups regarding gestational age at delivery, birth weight, incidence of fetal growth retardation, or neonatal head circumference. There was one midtrimester loss in the methyldopa group and one stillbirth in each of the other groups. We conclude that treatment of maternal blood pressure in mild chronic hypertension during pregnancy did not improve perinatal outcome.

Adult↗
PubMed1991

Risks associated with an elevated maternal serum alpha-fetoprotein level.

Among 58,187 women tested, 1002 had a maternal serum alpha-fetoprotein measuring greater than or equal to 2.5 multiples of the median after correction for race, weight, and insulin-dependent diabetes. They were stratified into three groups: group 1, 2.5 to 2.9; group 2, 3.0 to 5.0; group 3, greater than or equal to 5.0 multiples of the median. The initial risk of a serious abnormality detected by ultrasonography or amniocentesis was 17% (5%, 12% and 65% in groups 1, 2, and 3, respectively). After correction for twins and dates, this risk became 23% (7%, 18%, and 71% in groups, 1, 2, and 3, respectively). Among the women with high maternal serum alpha-fetoprotein levels, 556 (77%) had normal ultrasonographic and amniocentesis studies, and the risk of adverse pregnancy outcome ws 27% (19%, 29%, and 70% in groups 1, 2, and 3, respectively). There was a statistically significant increase in late fetal and perinatal death, prematurity and growth retardation, oligohydramnios, abruptio placentae, preeclampsia, and congenital abnormalities. The overall risk for abnormality or adverse outcome was 24% in group 1, 41% in group 2, and 91% in group 3.

Congenital Abnormalities↗
PubMed1992

Eclampsia. VII. Pregnancy outcome after eclampsia and long-term prognosis.

OBJECTIVES: Our goal was to report pregnancy outcome and long-term prognosis after eclampsia. STUDY DESIGN: Women whose pregnancies were managed at the E.H. Crump Women's Hospital between August 1977 and April 1989 were studied. A total of 223 women with eclampsia underwent follow-up for an average of 7.2 years. Thirteen had preexisting hypertension and 210 were normotensive (31 were multiparous and 179 were nulliparous). RESULTS: Among these women 23 who were multiparous and 159 who were nulliparous had 366 subsequent pregnancies: 22% of pregnancies were complicated by preeclampsia, 1.9% by eclampsia, and 2.5% by abruptio placentae; 2.7% resulted in perinatal death. Within the nulliparous group, women who had eclampsia before 37 weeks' gestation in the index pregnancy had significantly higher incidences of preeclampsia and poor perinatal outcome in subsequent pregnancies as compared with those who had eclampsia at greater than or equal to 37 weeks' gestation; the highest incidence of obstetric complications occurred in those having eclampsia at less than or equal to 30 weeks. Twenty of the 210 normotensive women (9.5%) had chronic hypertension on follow-up; the highest incidence (17.9%) being in those with eclampsia at less than or equal to 30 weeks and the lowest incidence (4.8%) in those having eclampsia at greater than or equal to 37 weeks. Women with eclampsia who had preeclampsia in subsequent pregnancies had a higher incidence of chronic hypertension as compared with those who were normotensive in subsequent pregnancies (25% vs 2%, p less than 0.0001). Long-term maternal complications included dialysis required in one patient and one case of cardiomyopathy in women with chronic hypertension; there was one maternal death in a women with chronic hypertension. None of the women had evidence of neurologic deficit or seizures during follow-up. CONCLUSIONS: These findings should be used in counseling women who have had eclampsia and are considering future pregnancies.

Adult↗
PubMed1993

Placental pathology in discordant twins.

OBJECTIVE: The aim of this study was to evaluate placental abnormalities in relation to birth weight discordance in dichorionic and monochorionic twins. STUDY DESIGN: The maternal charts and placental abnormalities of 147 structurally normal twin pairs with cords labeled at delivery were reviewed. The placental weight belonging to each twin was determined by measuring the length, width, and thickness in each of the two placental disks. Placental weight, chorionicity, infarction, abruptio placentae, decidual vascular abnormality, villous fibrosis and hypovascularity, chronic villitis, and intraplacental thrombi were also assessed. Birth weight was discordant if > or = 20%. The data were analyzed with chi 2 and analysis of variance after log transformation of skewed discordancy values. RESULTS: Of the 147 twin pairs, 99 were dichorionic and 48 monochorionic. Placental weights were known for 91 dichorionic and 40 monochorionic twins. Of the lighter cotwins in dichorionic twin pairs 36.3% (33/91) belonged to the heavier placenta, 49.5% (45/91) belonged to the lighter placenta, and 14.3% (13/91) had an equal share of the placental weight with the heavier sibling (p < 0.05). In 42.4% (42/99) the lighter dichorionic twin had more placental lesions than the heavier twin, in 38.4% (38/99) the same number of lesions were present in both placentas, and in 19.2% (19/99) the heavier twin had more placental lesions. There was linear correlation between percent discordance and number of placental lesions in the lighter twin. In dichorionic twins 18 of the 99 (18.1%) were discordant. In 77.8% (14/18) the lighter twin had more placental lesions than the heavier twin, in 16.7% (3/18) the number of lesions was the same in both, and in 5.6% (1/18) the heavier twin had one more lesion than the lighter twin (p < 0.05). In monochorionic twins, regardless of birth weight discordance, no differences in placental abnormalities were observed. CONCLUSIONS: In dichorionic twins significant birth weight discordance was attributable not to differences in placental weight but to a greater number of placental lesions in the lighter twin than in the heavier twin (p < 0.05). This did not hold true for monochorionic twins.

Analysis of Variance↗
PubMed1993

Experimental preeclampsia produced by chronic constriction of the lower aorta: validation with longitudinal blood pressure measurements in conscious rhesus monkeys.

OBJECTIVES: Our goals were (1) to determine whether hypertension, proteinuria, and glomerular endotheliosis can be produced by chronic reduction of lower aortic pressure in pregnant rhesus monkeys and (2) to study the time course of the development of hypertension by means of longitudinal arterial blood pressure measurements in conscious, unrestrained pregnant rhesus monkeys. STUDY DESIGN: Indwelling arterial catheters were placed at 103 +/- 4 days of gestation (term 160 days) for measurement of arterial pressure before and after reduction of lower aortic pressure. At 116 +/- 7 days lower aortic pressure was reduced by 24 +/- 11 mm Hg in 11 monkeys (experimental group) by a stricture on the aorta just below the renal arteries; six monkeys (controls) underwent a sham operation. Resting on the aorta just below the renal arteries; six monkeys (controls) underwent a sham operation. Resting pressures were measured three to five times per week by a tether-and-swivel system. RESULTS: Baseline arterial pressure averaged 81 +/- 6 mm Hg. In the experimental group four monkeys had adverse outcomes (one maternal death with severe hypertension, one abruptio placentae with stillbirth, and two spontaneous preterm deliveries with hypertension). There was one preterm delivery in the control group. Of the seven monkeys with aortic stricture who continued to term, four developed sustained hypertension (mean pressure 18 +/- 6 mm Hg above baseline), proteinuria, and moderate-to-severe glomerular endotheliosis. None of the controls had hypertension or proteinuria, but two had endotheliosis. CONCLUSION: These observations confirm that a syndrome resembling preeclampsia can be produced by a reduction of lower aortic pressure, and they demonstrate that the associated hypertension is not an artifact of anesthesia. This model may prove useful in studying the pathophysiologic mechanisms of preeclampsia.

Animals↗
PubMed1994

Aggressive versus expectant management of severe preeclampsia at 28 to 32 weeks' gestation: a randomized controlled trial.

OBJECTIVE: Our purpose was to determine whether aggressive or expectant management of severe preeclampsia at 28 to 32 weeks is more beneficial to maternal and neonatal outcome. STUDY DESIGN: Ninety-five eligible patients were randomly assigned to either aggressive (n = 46) or expectant management (n = 49). Aggressive management patients were prepared for delivery, either by cesarean or induction, 48 hours after glucocorticoids were administered. Expectant management patients were managed with bed rest, oral antihypertensives, and intensive antenatal fetal testing. RESULTS: At the time of randomization there were no differences between the two groups in mean systolic blood pressure (170 +/- 9.7 vs 172 +/- 9.4 mm Hg), diastolic blood pressure (110 +/- 5.4 vs 112 +/- 4.2 mm Hg), proteinuria (3.0 +/- 2.3 vs 3.6 +/- 2.3 gm per 24 hours), and gestational age (30.4 +/- 1.6 vs 30.7 +/- 1.5 weeks) for the aggressive and expectant management groups. The average latency period in the expectant management group was 15.4 days (range 4 to 36), and this period was not affected by the amount of proteinuria at randomization. There was no eclampsia or perinatal death in either group. The two groups had similar incidences of abruptio placentae (4.1% vs 4.3%) and similar days of postpartum hospital stay. The expectant management group had a significantly higher gestational age at delivery (32.9 +/- 1.5 vs 30.8 +/- 1.7 weeks, p < 0.0001), higher birth weight, lower incidence of admission to the neonatal intensive care unit (76% vs 100%, p = 0.002), lower mean days of hospitalization in the intensive care unit (20.2 +/- 14 vs 36.6 +/- 17.4, p < 0.0001), and lower incidence of neonatal complications. CONCLUSION: Expectant management, with close monitoring of mother and fetus at a perinatal center, reduces neonatal complications and neonatal stay in the newborn intensive care unit.

Adolescent↗
PubMed1994

Acute fatty liver of pregnancy: an experience in the diagnosis and management of fourteen cases.

OBJECTIVE: Our purpose was to investigate the diagnostic problems and maternal-perinatal outcome in cases of acute fatty liver of pregnancy. STUDY DESIGN: Fourteen cases with acute fatty liver of pregnancy managed during the past 8-years were studied with emphasis on presenting symptoms, admitting diagnosis, laboratory findings, clinical course, maternal complications, and neonatal outcome. RESULTS: The mean gestational age at onset was 34.5 weeks (range 28 to 39). Only seven patients had acute fatty liver of pregnancy as a definite or suspected diagnosis on admission. Computed tomography of the liver was performed on 10 patients, with only two positive results. There were no maternal deaths; however, maternal morbidity was frequent: four patients had hepatic encephalopathy, three pulmonary edema, three ascites, four respiratory arrest, two diabetes insipidus, and 10 had transfusion of blood or blood products to correct either disseminated intravascular coagulation or excessive bleeding. Coagulation abnormalities were common: hypofibrinogenemia (< 300 mg/dl) in 13 patients (93%), prolonged prothrombin time in 12 (86%), and prolonged partial thromboplastin time in 11 (79%). The corrected perinatal mortality was 6.6%. CONCLUSION: Acute fatty liver of pregnancy should be suspected in all patients with symptoms of preeclampsia in the presence of hypoglycemia, low fibrinogen, and prolonged prothrombin time, particularly in the absence of severe abruptio placentae. Computed tomography of the liver has a high false-negative rate in patients with acute fatty liver of pregnancy. In spite of the literature's dismal prognosis, our findings indicate that maternal and perinatal outcomes appear favorable in well-managed patients.

Acute Disease↗
PubMed1995

A case-control study of cocaine use in pregnancy.

OBJECTIVE: This study analyzed the relationships between cocaine use, various other parameters, and perinatal outcomes. STUDY DESIGN: A case-control study of cocaine use was conducted among pregnant women delivered at a large urban hospital in New Orleans, Louisiana. Two control patients for each case, matched for age, race, parity, and month of delivery, were selected. RESULTS: Between April and September 1990, there were 2332 admissions to the obstetric service; urine toxicology screens were obtained on 2225 patients. Cocaine metabolites were identified in 166 patients; 138 of these women had data that could be evaluated. These data were compared with those of 276 control patients, and the findings were analyzed. Complications that occurred significantly more often in study patients included vaginal bleeding, abruptio placentae, premature rupture of the membranes, meconium staining of the amniotic fluid, and low birth weight. Study patients were found to use prenatal care less often (45.0% vs 86.4%) and to smoke cigarettes more often (67.4% vs 35.1%). Regression analysis identified lack of prenatal care and smoking as important variables in birth weight. When these two variables were excluded, identifiable differences in bith weight between cocaine and control mothers were no longer present. CONCLUSION: The reduction in birth weight experienced by patients who used cocaine may be explained by lack of prenatal care and by smoking. Other identified differences observed between study and control patients were not significantly altered by smoking or prenatal care.

Adult↗
PubMed1995

The "dangerous multipara": fact or fiction?

OBJECTIVE: Our purpose was to compare the intrapartum complication incidence among grand multiparous women with that of age-matched control multiparous women. STUDY DESIGN: A total of 382 grand multiparous women (para > or = 5) were compared with 382 age-matched control subjects (para 2 to 4), all delivering between July 1989 and September 1991. Intrapartum complications classically associated with grand multiparity (abruptio placentae, dysfunctional labor, fetal malpresentation, postpartum hemorrhage, and shoulder dystocia) were compared. RESULT: Both groups had comparable antepartum complications and gestational ages at delivery. The overall intrapartum complication incidence for grand multiparous women was 33% (127/382 patients), not significantly different from that of the control multiparous women, 27% (103/382). Grand multiparity was associated with an increased incidence of macrosomia (16% vs 11%) and a decreased incidence of operative delivery (14% vs 21%). Macrosomia increased the incidence of intrapartum complications from 31% to 46% (p < 0.03) in the grand multiparous patients, and a trend was observed in the multiparous patients, from 26% to 37%. However, when properly controlled, this was noted to be a confounding variable and was not related to parity. CONCLUSIONS: In a largely Hispanic population grand multiparous patients do not have an increased incidence of intrapartum complications.

Adult↗