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PubMed2000

Stillbirths in Qatar: a review of 83 cases.

To evaluate the aetiology, diagnostic procedures and current management of stillbirths in Qatar, 83 stillbirths with a birth weight of more than 500 g were studied. The validity of the cause of death was classified as certain, probable and unexplained. Frequency and descriptive statistics were used. The stillbirth rate was 8.15 per 1000. The cause of death was certain in 29%, probable in 62% and remained entirely unexplained in 9% of the cases. The major factors that might be the causes of fetal death were intrauterine growth retardation (23%), abruptio placentae (16.3%), congenital anomalies (13.3%), gestational diabetes (9.6%) and hydrops fetalis (7.2%). The cause of death was found unavoidable in 24 cases (29%). The autopsy rate was terribly low (1/80) and far away from the recommended rate of 75%. The introduction of a stillbirth programme, that includes post-mortem autopsy, in any maternity hospital, is considered crucial to reach a specific diagnosis for almost all stillbirths and to prevent fetal death in future pregnancies. However, if the patient or her family refused autopsy, a combination of patience and learned communication can pave the way to their understanding and acceptance of the procedure. Postmortem magnetic resonance imaging may be used as alternative to autopsy if it is refused.

Journal Article↗
PubMed2001

Clinico-pathological study of causes of perinatal mortality in a developing country.

Perinatal mortality rates are an important indicator of the overall obstetric and neonatal services available, and the socio-economic status of the community. These rates are also used to identify shortcomings in services provided. The aim of this study was to identify clinical causative factors of perinatal deaths (supported by post mortem evidence where possible). This was a prospective descriptive study. The total number of deliveries and perinatal deaths over a 6-month period were recorded and clinico-demographic data noted. Post mortem examination information, if available, was also recorded. There was a total of 7789 deliveries over the 6-month period and 460 perinatal deaths, giving a perinatal mortality rate of 59/1000 deliveries; 45% (n = 207) of the perinatal deaths had post mortem examinations. The mean age was 26 years; 84.8% were single mothers. One-third of the group were un-booked: the mean gestational age of fetal death was 31 weeks, and the mean birth weight was 1700 g. Two-thirds of the perinatal deaths were stillbirths. The leading obstetric causes of deaths were: abruptio placentae (25.3%), hypertension in pregnancy (24.9%), prematurity (17.4%), unexplained stillbirth (13.4%) and intrapartum asphyxia (9.2%). The perinatal mortality rate of 59/1000 deliveries is high. Although this is comparable with other developing countries, there is a need for improvement in organisation of obstetric and neonatal care, staffing levels and access to and effective utilisation of antenatal services. These will probably lead to a significant reduction of this relatively high perinatal mortality rate.

Journal Article↗
PubMed2003

The role of androgens in the aetiology and pathology of pre-eclampsia.

Pre-eclampsia and eclampsia, along with its complications such as prematurity, intrauterine growth retardation, perinatal asphyxia and abruptio placenta, continues to be one of the major causes of maternal and fetal morbidity and mortality. Due to its morbid course, it is necessary to identify those at risk for the illness and take precautions. However, the lack of knowledge about the aetiology makes it difficult to assess risk factors. We studied the role of the serum androgens in the pathogenesis of pre-eclampsia. Ninety severe pre-eclamptic, 10 mild pre-eclamptic and 50 normotensive pregnant women were studied. The patient and control groups' blood total testosterone, free oestriol (FE3), FAI (free androgene index), sex hormone binding globulin (SHBG) and dehydroepiandrostenedione sulphate (DHEA-S) values were compared. The sex, weight, APGAR scores and hospitalisation in the neonatal intensive care unit of the babies were also evaluated. No statistically significant difference in the total testosterone and free oestriol values was found between the groups. SHBG was found to be higher in the pre-eclamptic group, whereas free testosterone and DHEA-S were higher in the normotensive group. Compared to the severe pre-eclamptic group, no difference was found in the total testosterone levels, whereas free testosterone levels were significantly higher in the mild pre-eclamptic group. We reached the opinion that androgens do not play a clinically significant role in the pathogenesis of pre-eclampsia.

Adult↗
PubMed2004

Trends in maternal mortality due to haemorrhage: two decades of Indian rural observations.

Obstetric haemorrhage continues to be a major cause of maternal mortality. Our analysis of records of over a period of 20 years from April 1982 to March 2002 reveals that it was a contributory cause of maternal mortality in 19.9% of cases. The majority of deaths, (65%) had occurred within 24 hours of admission and in 47.5% of cases there was severe anaemia on admission; 17.5% had died due to an atonic PPH, which was the largest category, followed by ruptured uterus (15%), abruptio placenta (15%) and retained placenta (12.5%). Deaths due to obstetric haemorrhage because of a ruptured uterus, retained placenta and abortion have decreased from 22.22% between 1982 and 1987 to zero in the last 5 years and an increase was seen in deaths due to haemorrhage because of gestational trophoblastic neoplasia and ectopic pregnancy, from 1.69% to 4.87%, unclassified haemorrhage 1.96% to 7.31% and placenta praevia from zero between 1982 and 1987 to 4.87% between 1997 and 2002.

Adolescent↗
PubMed2004

Vaginal birth after one previous caesarean section in a tertiary institution in Nigeria.

Vaginal birth after one previous lower segment caesarean section represents one of the most significant and challenging issues in obstetric practice. A 5-year retrospective study was carried out at the University of Benin Teaching Hospital between January 1999 and December 2003, to determine the incidence, the maternal and fetal outcome following vaginal delivery after one previous caesarean section with a view to evaluating its safety and efficacy. There were 5234 deliveries, with 395 cases of one previous caesarean section, giving an incidence of 7.5%. The incidences of emergency caesarean section, elective caesarean section and spontaneous vaginal delivery following trial of vaginal delivery were 34.7%, 9.4% and 48.1%, respectively. During the study period there were 1317 cases of caesarean section, giving an incidence of 25.2% caesarean section rate. The incidence of one previous section among all caesarean section births was 30%. The major morbidity following vaginal delivery was uterine rupture with an incidence of 1.5% and hysterectomy of 0.8%. Three of the uterine ruptures occurred before admission because the patients laboured at home. One maternal death occurred as a result of uterine rupture and postpartum haemorrhage, giving a maternal mortality ratio of 19/100,000 and a case fatality rate of 0.3%. The corrected perinatal mortality rate was 15.2/1000, mainly from obstructed labour, abruptio placenta and fetal distress. Both maternal and fetal mortalities from vaginal birth after one previous section were significantly less than the respective overall maternal and fetal mortality from the institution. The 1-minute apgar score of babies delivered by elective section was significantly (P < 0.001) higher than the apgar score of babies delivered by emergency section and vaginally. There was only one patient with wound dehiscence at elective section without associated perinatal death. Vaginal delivery following caesarean section is relatively safe. However, women in developing countries will continue to require counselling to counter the myths of aversion to operative delivery even at the expense of losing their lives. Our hospitals should have adequate monitoring equipment for high-risk pregnancies so that patients and their babies can be assured of survival.

Adult↗
PubMed1999

Increased rate of small-for-gestational-age neonates in pre-eclamptic women with preterm deliveries.

We sought to determine whether hypertensive pregnancies can be considered a distinct subgroup of premature births. All women in our centre who had had singleton preterm spontaneous deliveries over an 8-year period were divided into hypertensive and normotensive groups and compared for maternal characteristics and neonatal outcome. Of the 4175 eligible women, 9.8% (n = 410) had pre-eclampsia. These patients had higher rates of small-for-gestational-age neonates (19%, 78/410), abruptio placenta (7.8%, 32/410) and caesarean section rate (52.7%, 216/410) than the normotensive women (4.3%, 158/3765; 4.6%, 172/3765; and 19.6%, 739/3765, P < 0.001, respectively. The rate of preterm premature rupture of membranes was significantly lower in the hypertensive than in the normotensive group (5.9% vs. 17%, respectively; P < 0.001). We concluded that hypertensive women who deliver prematurely belong to a subgroup with particular characteristics. The increased rate of small-for-gestational-age neonates in pre-eclamptic women suggests that reduced uteroplacental perfusion may cause fetal growth impairment before the onset of the hypertensive disorder.

Journal Article↗
PubMed2001

Birth and first-year costs for mothers and infants attributable to maternal smoking.

Maternal smoking during pregnancy has been linked to high costs. This study estimates the magnitude of excess costs attributable to smoking during pregnancy for mothers and infants. The model estimates smoking-attributable costs for 11 infant and maternal conditions. From a claims database of 7784 mothers and 7901 infants who had deliveries during 1996, we estimated total cost over the infants' first year of life for each mother and infant and identified each complication of interest, based on ICD-9 codes. The average cost for smokers and non-smokers could not be computed directly because smoking status is not available in claims data. Therefore, the population attributable risk percentage (PAR%) due to smoking for each complication was identified from the literature. Multiple linear regression was used to provide estimates of the incremental cost associated with each smoking-related complication. The total cost attributable to smoking was computed as a function of the incremental cost of each complication and the PAR% for each complication. The conditions associated with the largest incremental costs compared to patients without those conditions were abruptio placenta ($23,697) and respiratory distress syndrome ($21,944). Because they were more common, the conditions with the largest smoking-attributable cost were low birth weight ($914) and lower respiratory infection ($428). The sum of the additional costs attributable to smoking for all conditions yielded a total in the first year after birth ranging from $1142 to $1358 per smoking pregnant woman. It was concluded that maternal smoking during pregnancy results in an economic burden to payers and society. These estimates may be useful in formal cost-effectiveness evaluations of individual smoking cessation strategies.

Child Health Services↗
PubMed2005

Is grandmultiparity an independent risk factor for adverse perinatal outcomes?

OBJECTIVE: To compare maternal and neonatal outcomes among grandmultiparous women to those of multiparous women 30 years or older. METHODS: A database of the vast majority of maternal and newborn hospital discharge records linked to birth/death certificates was queried to obtain information on all multiparous women with a singleton delivery in the state of California from January 1, 1997 through December 31, 1998. Maternal and neonatal pregnancy outcomes of grandmultiparous women were compared to multiparous women who were 30 years or older at the time of their last birth. RESULTS: The study population included 25,512 grandmultiparous and 265,060 multiparous women 30 years or older as controls. Grandmultiparous women were predominantly Hispanic (56%). After controlling for potential confounding factors, grandmultiparous women were at significantly higher risk for abruptio placentae (odds ratio OR: 1.3; 95% confidence intervals CI: 1.2-1.5), preterm delivery (OR: 1.3; 95% CI: 1.2-1.4), fetal macrosomia (OR: 1.5; 95% CI: 1.4-1.6), neonatal death (OR: 1.5; 95% CI: 1.3-1.8), postpartum hemorrhage (OR: 1.2; 95% CI: 1.1-1.3) and blood transfusion (OR: 1.5; 95% CI: 1.3-1.8). CONCLUSION: Grandmultiparous women had increased maternal and neonatal morbidity, and neonatal mortality even after controlling for confounders, suggesting a need for closer observation than regular multiparous patients during labor and delivery.

Female↗
PubMed2002

Perinatal mortality in diabetic patients undergoing antepartum fetal evaluation: a case-control study.

OBJECTIVE: To identify changing trends, if any, of fetal loss in diabetic patients undergoing antepartum fetal evaluation in a case-control study. METHODS: Fetal assessment (non-stress test and/or biophysical profile) logbooks from January 1981 to June 1998 were reviewed and the patients with diabetes were identified. The study group comprised patients with pregnancy loss. Each case was matched by year of delivery and class of diabetes with four randomly selected controls with no pregnancy loss. All patients in both groups were at > 26 weeks' gestation. RESULTS: Thirteen stillbirths and four neonatal deaths occurred in 1,935 diabetic patients who underwent fetal evaluation. There was no significant difference in age, race, gravidity, parity, clinic or private service, or the type of delivery in the two groups. Losses were more likely (p < 0.001) to occur before 32 weeks, with birth weights < 2,500 g, with a greater time interval from their last fetal evaluation, with poor glycemic control and with congenital malformations (six of seven occurred before 1990). In this study, perinatal losses were associated with non-compliance and other associated problems in the mother. Overall perinatal mortality in these patients was 17 per 1935 and corrected 11 per 1935 or 5.6 per 1,000. CONCLUSION: In the 1980s suboptimal glycemic control with major fetal malformations emerged as the major contributory factor to perinatal loss and, in the 1990s, this was associated medical problems. With a better awareness of the adverse effect of suboptimal glycemic control at the time of organogenesis and advances in fetal diagnosis and evaluation, fetal loss due to diabetes has become a rarity. Patients with associated medical problems and those at risk for abruptio placentae should be managed more aggressively.

Adult↗
PubMed2000

Outcome of pregnancies with HELLP syndrome complicated by acute renal failure (1989-1999).

HELLP syndrome, a syndrome of hemolysis, elevated liver enzymes and low platelets may occur in pregnancy with pre-eclampsia/eclampsia, and its a significant complication is acute renal failure (ARF). The aim of study was to determine frequency and outcome of HELLP syndrome complicated by ARF. Thirty-nine patients with pregnancy-related ARF were treated between Jan 1, 1989 and Jan 1, 1999. In these patients, the most frequent causes were HELLP syndrome (n = 14; 36%), postpartum hemorrhage (n = 10; 26%), pre-eclampsia/eclampsia (n = 6; 15%) and abruptio placenta (n = 4; 10%). Seven of the patients with HELLP syndrome had impairment of consciousness during hospitalization. Of these patients, coma in 5, stupor in 1, confusion in 1 were diagnosed. Twelve of the patients with HELLP syndrome and 14 of the other patients were treated by dialysis. Mann-Whitney U test and chi2 test(corrected by Yates and Fisher exact) were used for statistical analysis. Although serious clinical findings, with supportive treatment, 12 patients with HELLP syndrome and 21 other patients were fully recovered. One patient both with and without HELLP syndrome could not recovered due to diffuse cortical necrosis. Moreover, one patient with HELLP syndrome and 3 other patients were died. Mortality rate of the patients with HELLP syndrome was not found different from those of the other patients (p = 0.544). The causes of death were cerebral hemorrhage in patient with HELLP syndrome and disseminated intravascular coagulation (n = 1), cerebral emboli (n = 1), adult respiratory distress syndrome (n = 1). Fetal death occurred in 4 patients with HELLP syndrome (28.5%) and 7 other patients (28%), and rates were similar (p > 0.5). Finally, HELLP syndrome was the most frequent cause leading to ARF in pregnancy and their prognosis was not different from those of the other patients.

Acute Kidney Injury↗
PubMed2001

Low-molecular-weight heparin for the prevention of obstetric complications in women with thrombophilias.

OBJECTIVE: To evaluate the benefit of combined low-molecular-weight (LMW) heparin and aspirin for prophylaxis in women carriers of thrombophilia who had previously suffered from severe obstetric complications. METHODS: The 33 studied women had an earlier pregnancy complicated by severe preeclampsia, abruptio placentae, intrauterine growth retardation, or intrauterine fetal death. All were subsequently diagnosed as carrying inherited thrombophilias. In their subsequent pregnancy, prophylactic therapy consisting of LMW heparin 40 mg/day (Enoxaparin, Rhone-Poulenc-Rorer, France) and aspirin was administered. Patients who were found to be homozygotes for the methylenetetrahydrofolate reductase mutation also received folic acid supplementation throughout their pregnancy. RESULTS: Low-molecular-weight heparin was well tolerated and none of the women or the newborns developed any hemorrhagic complications. Only three (9.1%) of the women developed pregnancy complications. The mean gestational age and the mean birth weight at delivery in the previously complicated pregnancies were 32.1 +/- 5.0 weeks and 1175 +/- 590 g, respectively, compared to 37.6 +/- 2.3 weeks and 2719 +/- 526 g, respectively, in the treated pregnancies (p < 0.001). CONCLUSIONS: This uncontrolled trial suggests that patients with obstetric complications and an inherited thrombophilia may benefit from treatment with combined LMW heparin and aspirin in subsequent pregnancies. However, this needs to be verified by controlled trials before considering clinical application.

Anticoagulants↗
PubMed2003

Severe maternal morbidity associated with hypertensive disorders in pregnancy in the United States.

OBJECTIVES: This study was to report the incidence of severe maternal morbidity associated with hypertensive disorders of pregnancy in the United States. STUDY DESIGN: We used data from the National Hospital Discharge Survey, a nationally representative sample of discharge records, from 1988 to 1997. The database consisted of approximately 300,000 deliveries, which represented 39 million births during the 10-year period. RESULTS: The overall incidence of hypertensive disorders in pregnancy was 5.9% [95% confidence interval (CI): 5.2 to 6.5%]. Eclampsia was reported at 1.0 per 1,000 deliveries (95% CI: 0.8 to 1.2). The incidence of eclampsia, severe preeclampsia, and superimposed preeclampsia remained unchanged during the 10-year period. Women with preeclampsia and eclampsia had a 3- to 25-fold increased risk of severe complications, such as abruptio placentae, thrombocytopenia, disseminated intravascular coagulation, pulmonary edema, and aspiration pneumonia. More than half of women with preeclampsia and eclampsia had cesarean delivery. African American women not only had higher incidence of hypertensive disorders in pregnancy but also tended to have a greater risk for most severe complications. Preeclamptic and eclamptic women younger than 20 years or older than 35 years had substantially higher morbidity. CONCLUSION: Preeclampsia and eclampsia carry a high risk for severe maternal morbidity. Compared to Caucasians, African Americans have higher incidence of hypertensive disorders in pregnancy and suffer from more severe complications.

Adolescent↗
PubMed2004

Pregnancy and severe chronic hypertension: maternal outcome.

OBJECTIVE: To determine the maternal outcome associated with severe chronic hypertension during the second half of pregnancy. METHODS: An analysis of data obtained of women with severe chronic hypertension (> or = 160/110 mm Hg) and > or = 20 weeks' gestation who were hospitalized and delivered during a 5-year period. The pregnancy outcome data were collected retrospectively from medical records. Each patient was observed closely throughout hospitalization with intensive monitoring of the clinical status of both mother and fetus. Antihypertensive drugs were used for systolic or diastolic blood pressure > or = 160 and > or = 110 mm Hg, respectively. Women with superimposed preeclampsia received magnesium sulfate. The main outcome measures were peak of blood pressure, superimposed preeclampsia, and major maternal complications. RESULTS: Of 154 women studied, 111 (72%) had pregestational chronic hypertension, and 120 (78%) developed superimposed preeclampsia. The mean weeks' gestation was 34.5 +/- 4.6. Overall, 110 (71.4%) pregnancies were delivered by cesarean section. Maternal age and parity were significantly higher among women who had pregestational chronic hypertension than those who had chronic hypertension diagnosed during the first half of pregnancy. Abruptio placentae (8.4%), HELLP syndrome (8.4%), acute renal insufficiency (3.9%), pulmonary edema (1.3%), and postpartum hypertensive encephalopathy (1.3%) were the most frequent maternal complications. There were no maternal deaths, disseminated intravascular coagulation, or eclampsia. CONCLUSION: Three-quarters of women with severe chronic hypertension in the second half of pregnancy developed superimposed preeclampsia. Intensive monitoring of the clinical status of the mother was associated with low maternal morbidity and the absence of maternal deaths. Pregestational chronic hypertension does not change the maternal prognosis.

Adult↗
PubMed1995

Sex ratios of offspring and the causes of placental pathology.

The sex ratios of offspring associated with various types of placental pathology were studied in order to investigate whether this may throw light on the causes of the pathology. The literature was searched for data on the sex ratios of offspring associated with: abruptio placenta, placenta praevia, placenta accreta, extrauterine pregnancy, acute fatty liver of pregnancy or toxaemia of pregnancy. Highly significant male excesses associated with abruption placenta, placenta praevia, fatty liver of pregnancy and toxaemia were noted. Highly significant female excesses were found to be associated with placenta accreta and extrauterine pregnancy. Each type of pathology is associated with a typically biased offspring sex ratio. No explanation of this has ever been offered, so it seems worth postulating that the abnormal sex ratios are caused by abnormal hormone concentrations at conception, and that these are associated with abnormal hormone concentrations later on which are partially responsible for the pathology. The point could be tested by examining the extent to which hormone concentrations control first, Fallopian tube motility, and second, infiltration by extravillous trophoblasts into the placental bed.

Fatty Liver↗
PubMedDate not supplied

Fetal and newborn death associated with maternal cocaine use.

Data collected from 25 cases of fetal or newborn death associated with maternal cocaine use are reported. The average week of gestation at which fetal death occurred was week 30. Abruptio placentae was observed in 7 cases and placental infarct was found in 4 cases. The average fetal blood cocaine and benzoylecgonine levels were 0.26 and 1.73 micrograms/mL. The average maternal levels were 0.14 and 1.80 micrograms/mL, respectively.

Cocaine↗
PubMed1995

Fetal and maternal morbidity and mortality in menopausal women aged 45-63 years.

The pregnancies achieved up to April 1994 among 162 recipients who participated in our oocyte donation programme were studied. Of these, 113 were > 45 years old and 49 were < 45 years old (25-44); approximately 300 women were not admitted to our programme for various reasons. The 113 recipients considered in this study were divided into two age groups: group A, 45-49 years old (54 patient cycles); and group B, 50-60 years old (58 patient cycles); there was also one case of a 63 year old woman. Overall, 44 clinical pregnancies were established in 113 recipient cycles (38.9%) and 44 healthy babies have been delivered; 10 babies were lost (eight miscarriages, one abruptio placentae and one severe gestational proteinuria hypertension at 25 weeks). There was also one case of medium hypertension (at 32 weeks) and four cases of mild hypertension (30, 32, 33 and 35 weeks). There were no cases of maternal diabetes among the pregnant women due to the strict selection criteria. There were no maternal deaths associated with these pregnancies. Regarding neonatal morbidity and mortality, there was one premature labour in the 31st week in a 53 year old woman because of an accidental fall in an airport, and another one in a 51 year old woman in the 25th week. The remaining babies had good Apgar scores and good weights. There were no child deaths and to date there have been no reports of fetal malformation. All babies delivered are in good health.2

Embryo Transfer↗
PubMed1993

Oocyte donation in menopausal women.

Oocyte donation was performed by in-vitro fertilization and embryo transfer in 82 women. The average age of the patients was 48 years (range 26-60), and 71 were over 40 years old, with an average follicle stimulating hormone (FSH) value of 74 +/- 14 IU and oestradiol concentration of 30 +/- 9 pg/ml. Overall 32 clinical pregnancies were achieved, of which 21 reached term, three are ongoing, and eight were lost (six miscarriages, one abruptio placentae, and one severe gestational proteinuria hypertension in the second trimester). The 21 term pregnancies produced 26 newborns; one patient who had had three embryos replaced delivered triplets and three patients had twins. Before the embryo transfer was performed, the endometrium thickness was accurately determined by vaginal ultrasound probe. The highest number of implanted embryos was reached when the endometrium thickness was 9-12 mm.

Adult↗
PubMed2001

Fetal death. A 10-year retrospective study.

Fetal death has been defined by the World Health Organization as death before complete expulsion or extraction from its mother of a product of conception, irrespective of the duration of pregnancy. Certain causes of fetal death, including syphilis, Rh isoimmunization, toxemia, and diabetes, have shown significant declines over the past several decades. However, many fetal losses continue to occur from intrauterine infections, lethal malformations, fetal growth retardation, and abruptio placentae. Fetal death with no identifiable specific cause is another consideration when dealing with these cases. Other risk factors can include maternal, sociodemographic, and medical care factors. The authors reviewed all forensic cases referred for autopsy to the Forensic Section of the Medical University of South Carolina, Medical Examiners' Office over the 10-year period 1990-1999. All cases listed as fetal death or stillbirth were included. The 42 cases were analyzed as to fetus' gestational age, sex, race, weight, location of delivery, history of prenatal care, maternal drug use, chromosomal abnormalities, cause and manner of death, and autopsy findings. The black:white ratio was approximately 2:1, and the male:female ratio was virtually 1:1. Most fetuses were older than 20 weeks' gestational age, with one third between 20 and 29 weeks. The majority were externally normal aside from maceration. Only 7.5% had congenital anomalies. Twenty-one of 38 placentas were grossly and microscopically normal. Of cases with toxicologic analysis, 21% were positive for drugs, and 17% were positive for cocaine/benzoylecgonine. The manner of death was classified as natural (28), accident (2), and undetermined (12). Few studies have reported the specific causes of fetal death, and the lack of uniformity in data collection and classification of causes of fetal death has made comparisons difficult. The authors present this retrospective study to better determine the factors leading to fetal demise in the hope of assisting death investigators in this challenging arena.

Adolescent↗