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PubMed1997

Obstetric determinants of neonatal survival: influence of willingness to perform cesarean delivery on survival of extremely low-birth-weight infants. National Institute of Child Health and Human Development Network of Maternal-Fetal Medicine Units.

OBJECTIVE: Our purpose was to evaluate the relationship between the approach to obstetric management and survival of extremely low-birth-weight infants. STUDY DESIGN: In this prospective observational study we evaluated 713 singleton births of infants weighing < or = 1000 gm during 1 year at the 11 tertiary perinatal care centers of the National Institutes of Child Health and Human Development network of maternal-fetal medicine units. Major anomalies, extramural delivery, antepartum stillbirth, induced abortion, and gestational age < 21 weeks were excluded. The obstetrician's opinion of viability and willingness to perform cesarean delivery in the event of fetal distress were ascertained from the medical record or interview when documentation was unclear. Grade 3 and 4 intraventricular hemorrhage, grade 3 and 4 retinopathy of prematurity, necrotizing enterocolitis requiring surgery, oxygen dependence at discharge or 120 days, and seizures were considered serious morbidity. Survival without serious morbidity was considered intact survival. Logistic regression was used to evaluate the influence of the approach to obstetric management, adjusted for birth weight, growth, gender, presentation, and ethnicity. RESULTS: Willingness to perform cesarean delivery was associated with increased likelihood of both survival (adjusted odds ratio 3.7, 95% confidence interval 2.3 to 6.0) and intact survival (adjusted odds ratio 1.8, 95% confidence interval 1.0 to 3.3). Willingness to intervene for fetal indications appeared to virtually eliminate intrapartum stillbirth and to reduce neonatal mortality. Below 800 gm or 26 weeks, however, willingness to perform cesarean delivery was linked to an increased chance of survival with serious morbidity. Although obstetricians were willing to intervene for fetal indications in most cases by 24 weeks, willingness to perform cesarean delivery was associated with twice the risk for serious morbidity at that gestational age. CONCLUSIONS: The approach to obstetric management significantly influences the outcome of extremely low-birth-weight infants. Above 800 gm or 26 weeks the obstetrician should usually be willing to perform cesarean delivery for fetal indications. Between 22 and 25 weeks willingness to intervene results in greater likelihood of both intact survival and survival with serious morbidity. In these cases patients and physicians should be aware of the impact of the approach to obstetric management and consider the likelihood of serious morbidity and mortality when formulating plans for delivery.

Cesarean Section↗
PubMed1997

The incidence of the factor V Leiden mutation in an obstetric population and its relationship to deep vein thrombosis.

OBJECTIVE: A common missense mutation in the factor V gene, the Leiden mutation, renders factor Va resistant to cleavage inactivation by activated protein C and predisposes patients to thrombotic events. We sought to evaluate the prevalence of the Leiden mutation and the associated thromboembolic events in a community hospital's low-risk obstetric population. STUDY DESIGN: Deoxyribonucleic acid was extracted from whole blood of 407 women. The polymerase chain reaction was used to amplify exon 10 of the factor V gene, followed by enzymatic digestion with MnI 1 for mutation detection. Medical charts were reviewed and patient characteristics, including age, gravidity, parity, obstetric complications, medical complications, and mode of delivery, were recorded. RESULTS: Fourteen of the 407 women carried the factor V Leiden mutation (13 heterozygotes and 1 homozygous mutant) for an allele frequency of 3%, consistent with the published carrier rate. Four of the 14 carriers (28%) had deep venous thrombosis, whereas the frequency of deep venous thrombosis in this obstetric population was <1%. Another patient carrying the mutation had a consumptive coagulopathy of unknown etiology at 20 weeks' gestation, necessitating delivery. CONCLUSIONS: The Leiden mutation is relatively common in the general obstetric population. The high rate of deep venous thrombosis noted in our series suggests the need for genetic testing for this mutation in women with a thrombotic event during pregnancy.

Adult↗
PubMed1999

A prospective cohort study of women after primary repair of obstetric anal sphincter laceration.

OBJECTIVE: This study was undertaken to prospectively assess subjective anorectal symptoms by questionnaire and to prospectively assess the integrity of the anal sphincter by physical and ultrasonographic examination in women with and without obstetric anal sphincter laceration. STUDY DESIGN: Fifteen subjects who sustained obstetric anal sphincter lacerations at the time of vaginal delivery were matched with 15 control subjects and followed up prospectively. Women underwent physical and ultrasonographic evaluations and answered questionnaires regarding anorectal symptoms at 6 weeks and at 4 months post partum. Data were evaluated with the Fisher exact test, the Wilcoxon exact and signed rank tests, and the McNemar test. RESULTS: On postpartum examination the subjects with lacerations had more separated sphincters and decreased anal resting and squeeze tones with respect to control subjects (P <.05). According to ultrasonographic evaluation the anal sphincters were more commonly disrupted in the laceration group than in the control group (external anal sphincter, 40% vs 20%; P =.43; and internal anal sphincter, 47% vs 7%; P =.035). Subjective rating of fecal incontinence was significantly greater in the laceration group than in the control group (P <.05). There was no correlation between fecal incontinence symptoms and the integrity of the external anal sphincter. At the 4-month visit, fecal incontinence was resolved in 36% of subjects; however, continued anorectal dysfunction was reported by 43% of subjects in the laceration group versus only 7% of the control subjects (P =.08). CONCLUSION: Reports of fecal incontinence were significantly greater among women with a history of primarily repaired obstetric anal sphincter lacerations than among control subjects. Ultrasonographic examination revealed separated anal sphincters in 40% of the women with obstetric anal sphincter lacerations, despite repair at the time of delivery.

Anal Canal↗
PubMed1994

An audit of the role of the sonographer in non-obstetric ultrasound.

In order to investigate the role of the sonographer in non-obstetric ultrasound, 1046 consecutive non-obstetric ultrasound scans performed by sonographers were audited. In 94% of cases, the report prepared by the sonographer gave an accurate account of the findings. In 6.3% of reports the radiologist provided additional comments, whilst in only 0.7% of cases was the sonographer's report significantly altered. In the 630 patients in whom adequate follow-up data was available, there was a single instance of a false positive ultrasound finding but no other significant ultrasound inaccuracy. This audit indicates that the local arrangements for involving sonographers in a non-obstetric ultrasound service has resulted in agreed standards being met. It is suggested that sonographers can and should be involved more widely in the provision of non-obstetric ultrasound services.

England↗
PubMed2002

Preventing adverse obstetric outcomes in women with genetic thrombophilia.

OBJECTIVE: To improve fetomaternal outcomes in women with obstetric complications and inherited causes of thrombophilia. DESIGN: Clinical trial. SETTING: Thrombophilic women with previous unexplained adverse outcomes. PATIENT(S): Twenty-five women with previous severe obstetric complications were treated during and after pregnancy. INTERVENTION(S): Low fixed dose of heparin or aspirin. MAIN OUTCOME MEASURE(S): Fetomaternal outcome. RESULT(S): Low fixed dose of heparin were administered to 24 pregnant women, aspirin to 7. Overall, among 31 treated pregnant women, 28 (90.3%) compared to 4 of 58 (6.9%) in previous pregnancies had a good obstetric outcome. Two fetal losses <14 weeks gestation and a fetal growth restriction were registered. All newborns, except one, were in the tenth centile or above. All babies were discharged in good clinical status. In the treated pregnancies, no thrombosis or pharmacological side effect was recorded. CONCLUSION(S): Heparin prophylaxis at fixed low doses and possibly aspirin could be efficacious in preventing adverse outcomes in women carrying inherited thrombophilia with previous poor obstetric outcomes.

Aspirin↗
PubMed1997

Upgrading obstetric care at the health center level, Juaben, Ghana. The Kumasi PMM Team.

PRELIMINARY STUDIES: Inventory and observations at Juaben Teaching Health Center (JTHC) revealed an inability to treat obstetric complications. Women with complications needed to be referred to other institutions, resulting in delays. INTERVENTIONS: During 1993 and 1994, an operating theater and blood bank were established and equipped, the maternity refurbished, and a revolving drug fund created. A physician was posted and trained in obstetrics, and midwives were trained in life-saving skills. A running water supply was established. Subsequent community interventions focused on improving access and reducing the delay in seeking care. RESULTS: The number of women with complications coming for care increased almost three-fold, from 26 in 1993 to 73 in 1995 and the proportion of these who were referred for treatment dropped from 42 to 14%. Surgical obstetric procedures performed at JTHC increased from 23 in 1993 to 90 in 1995. Midwives performed 32% of manual removals, 58% of vacuum extractions and 98% of episiotomy repairs. No deaths occurred among the women treated. COSTS: The cost of improvements was approximately US $30,000, mostly for equipment and supplies. Forty percent came from project funds, 36% from non-governmental organizations (NGOs), 15% from government and 9% from community members. The salary of the new physician cost an additional $4700 annually. CONCLUSIONS: Modest improvements can increase the provision and utilization of emergency obstetric care. Collaboration with NGOs, government and the community can be beneficial.

Community Health Centers↗
PubMed1997

Mobilizing transport for obstetric emergencies in northwestern Nigeria. The Sokoto PMM Team.

PRELIMINARY STUDIES: Focus group discussions and a village case study in Kebbi State revealed delay in the transport of women with obstetric complications. Among contributing factors identified were shortages of vehicles and fuel, and unwillingness of drivers to transport women at affordable fares. INTERVENTIONS: The cooperation of the local transport workers union was enlisted to address the situation. In 1993, drivers were sensitized and trained and a revolving emergency fuel fund was established. Prior to these activities, emergency obstetric services at nearby facilities had been upgraded. RESULTS: Over two years, 29 women with obstetric complications were transported. Of these, only one died. Mean cost of transport to patients was US $5.89. Mean time from the onset of complications to treatment was 9 h. Substantial numbers of non-obstetric patients in need of emergency care were also transported. Although defaulting eventually resulted in depletion of the fuel fund, the reimbursement system had become sufficiently well-established that most drivers no longer requested funds in advance. COSTS: Cost of the transport intervention was US $268, with 72% coming from project funds. CONCLUSIONS: Improving transport to emergency care does not necessarily require ambulances. Commercial transport owners and communities can be mobilized to provide affordable emergency transport for women with complications.

Emergencies↗
PubMed1997

Community contact persons promote utilization of obstetric services, Anambra State, Nigeria. The Enugu PMM Team.

PRELIMINARY STUDIES: Focus group discussions revealed delay in seeking and reaching emergency care as a factor contributing to maternal mortality in Njikoka Local Government Area. INTERVENTIONS: After obstetric services at local hospitals had been upgraded, 48 community contact persons were recruited. They were trained to improve community awareness of obstetric complications and to facilitate referral of women with complications. They were responsible for establishing links with pregnant women, improving access to transport, and mobilizing the community to donate blood. RESULTS: Over 18 months, community contact persons referred 18 women with major obstetric complications for treatment at health facilities. Fifty-two pregnant women were referred for other reasons. A total of 129 women were assisted by the community contact persons. This number declined sharply over time, from 60 in the first half of 1994 to 16 in the first half of 1995. COSTS: The community contact persons intervention cost approximately US $635, with 64% coming from project funds, 25% from government and 11% from the community. CONCLUSIONS: Community contact persons can perform a valuable role in facilitating referral of women with obstetric complications and supporting health education activities.

Female↗
PubMed1997

Validation of first-trimester telemedicine as an obstetric imaging technology: a feasibility study.

OBJECTIVE: To establish whether first-trimester obstetric ultrasonography interpreted by a live video telemedicine link is comparable to an established videotape review network in a low-risk patient population. METHODS: An integrated services digital network was established from three satellite offices to our central prenatal diagnostic center. All patients had a sonographic evaluation of the uterus, adnexa, and gestational sac recorded onto videotape by a trained sonographer. A live, interactive video telemedicine link was established, and a perinatologist directed the sonographer through the scan. Subsequently, a different perinatologist, blinded to the telemedicine interpretation, reviewed the original videotaped examination. The reports generated from both modalities then were compared by means of a score of 12 sonographic characteristics. RESULTS: The first 100 patients were included. The mean gestational age (+/-standard deviation) was 8.9 +/- 2.3 weeks (range 5.7-14.4), and the mean duration for telemedicine scans was 7.8 +/- 2.9 minutes (range 3.8-20.1). Telemedicine and videotape review scores were the same in 95 cases, and the final diagnosis was identical in 98 cases. This study had 80% power to detect a 10% difference in diagnosis at a significance level of .05. The ability to detect abnormalities was equivalent using both systems. CONCLUSION: The interpretation of first-trimester obstetric ultrasonography using live video telemedicine is equivalent to a system of videotape review. Obstetric telemedicine may prove to be a useful tool for providing sonographic imaging for low-risk obstetric patients.

Feasibility Studies↗
PubMed2006

Equity in use of home-based or facility-based skilled obstetric care in rural Bangladesh: an observational study.

BACKGROUND: Few studies have assessed whether the poorest people in developing countries benefit from giving birth at home rather than in a facility. We analysed whether socioeconomic status results in differences in the use of professional midwives at home and in a basic obstetric facility in a rural area of Bangladesh, where obstetric care was free of charge. METHODS: We routinely obtained data from Matlab, Bangladesh between 1987 and 2001. We compared the benefits of home-based and facility-based obstetric care using a multinomial logistic and binomial log link regression, controlling for multiple confounders. FINDINGS: Whether or not a midwife was used at home or in a facility differed significantly with wealth (adjusted odds ratio comparing the wealthiest and poorest quintiles 1.94 [95% CI 1.69-2.24] for home-based care, and 2.05 [1.72-2.43] for facility-based care). The gap between rich and poor widened after the introduction of facility-based care in 1996. The risk ratio (RR) between the wealthiest and poorest quintiles was 1.91 (adjusted RR 1.49 [95% CI 1.16-1.91] when most births with a midwife took place at home compared with 2.71 (1.66 [1.41-1.96]) at the peak of facility-based care. INTERPRETATION: In this area of Bangladesh, a shift from home-based to facility-based basic obstetric care is feasible but might lead to increased inequities in access to health care. However, there is also evidence of substantial inequities in home births. Before developing countries reinforce home-based births with a skilled attendant, research is needed to compare the feasibility, cost, effectiveness, acceptability, and implications for health-care equity in both approaches.

Adult↗
PubMed2000

Obstetric complications in patients with depression--a population-based case-control study.

BACKGROUND: To examine whether sufferers of affective disorders are more likely to be subject to obstetric complications than normal healthy people. METHOD: Data based on prospectively recorded birth case-notes for patients with a diagnosis of depression (or related disorders) with early onset were compared to those of normal healthy controls, individually matched by gender, time and parity of birth, maternal age and marital status. RESULTS: Forty-one case-controls pairs born between 1964 and 1978 were compared. No differences between cases and controls in gestational age or birthweight were significant, though depressive patients on average weighed 200 g less than controls at birth. Patients were more likely than controls to be small for their gestational age (22 vs. 1: chi(2)=4.34, P=0.03). They were significantly more likely than controls to have suffered at least one obstetric complication: 35 (85%) vs. 25 (60%), chi(2)=5.03, P=0.02; or more than one (two on average, as opposed to one on average among controls). No obstetric complication was seen significantly more among cases than controls, apart from bleeding during gestation, which was observed for four cases and no controls. The prevalence of complications with a clear brain damaging potential did not differ significantly between cases and controls: 11 (26%) vs. 8 (19%). CONCLUSIONS: A developmental deficit, as indicated by lower birthweight and gestational age, may contribute to the risk of depressive breakdowns and affective disorders in later life. Severe, brain damaging obstetric complications are unlikely to be a significant risk factor for affective disorders, though some early onset cases may be accounted for by prenatal brain lesions. LIMITATIONS: Sample size limits statistical power for isolation of a rare, single risk factor.

Adult↗
PubMed2002

Multidrug resistance 3 gene mutation 1712delT and estrogen receptor alpha gene polymorphisms in Finnish women with obstetric cholestasis.

OBJECTIVE: To investigate the contribution of the estrogen receptor alpha (ERalpha) polymorphism in the development of obstetric cholestasis and to determine whether multidrug resistance 3 (MDR3) gene 1712delT mutation detected in French patients is also present in Finnish women with obstetric cholestasis. STUDY DESIGN: In a retrospective case-control study, two ERalpha polymorphisms and MDR3 gene mutation 1712delT were investigated in healthy control women (N = 47) and in women with diagnosis of obsteric cholestasis (N = 57). PvuII and XbaI polymorphisms in ERalpha gene were evaluated in genomic DNA by using the polymerase chain reaction (PCR). In addition, the frequencies in the general population in our area are presented for comparison. RESULTS: None of the ERalpha genotypes or alleles was significantly over-represented in obstetric cholestasis. When the two ERalpha gene polymorphisms were analyzed in parallel, six genotype combinations were recognized, and the distribution of these genotype combinations did not reveal statistically significant differences between the cases and controls (P = 0.612). No patient or control was heterozygous or homozygous for the mutant allele in the MDR3 gene. CONCLUSION: The present data indicate that polymorphism of the ERalpha gene and MDR3 gene 1712delT mutation are unlikely to play any significant role in obstetric cholestasis in affected Finnish women. Further work to identify explanatory factors is of particular interest.

ATP Binding Cassette Transporter, Subfamily B↗
PubMed2000

Syndromes of disseminated intravascular coagulation in obstetrics, pregnancy, and gynecology. Objective criteria for diagnosis and management.

This article presents current understanding of the causes, pathophysiology, clinical, and laboratory diagnosis, and management of fulminant and low-grade DIC, as they apply to obstetric, pregnant, and gynecologic patients. General medical complications leading to DIC, which may often be seen in these patients, are also discussed. Considerable attention has been given to interrelationships within the hemostasis system. Only by clearly understanding these pathophysiologic interrelationships can the obstetrician/gynecologist appreciate the divergent and wide spectrum of often confusing clinical and laboratory findings in patients with DIC. Objective clinical and laboratory criteria for diagnosis of DIC have been outlined to eliminate unnecessary confusion and the need to make empiric decisions regarding the diagnosis. Particularly in the obstetric patient, if a condition is observed that is associated with DIC, or if any suspicion of DIC arises from either clinical or laboratory findings, it is imperative to monitor the patient carefully with clinical and laboratory tools to assess any progression to a catastrophic event. In most instances of DIC in obstetric patients, the disease can be ameliorated easily at early stages. Many therapeutic decisions are straightforward, particularly in obstetric and gynecologic patients. For more serious and complicated cases of DIC in these patients, however, efficacy and choices of therapy will remain unclear until more information is published regarding response rates and survival patterns. Also, therapy must be highly individualized according to the nature of DIC, patient's age, origin of DIC, site and severity of hemorrhage or thrombosis, and hemodynamic and other clinical parameters. Finally, many syndromes that are often categorized as organ-specific disorders and are sometimes identified as independent disease entities, such as AFE syndrome, HELLP syndrome, adult shock lung syndrome, eclampsia, and many others, either share common pathophysiology with DIC or are simply a form of DIC. These entities represent the varied modes of clinical expression of DIC and illustrate the diverse clinical and anatomic manifestations of this syndrome.

Biomarkers↗
PubMed2003

Critically ill obstetric patients in the intensive care unit.

We aimed to determine the morbidity and mortality among obstetric patients admitted to the intensive care unit. In this study, we analyzed retrospectively all obstetric admissions to a multi-disciplinary intensive care unit over a five-year period. Obstetric patients were identified from 4733 consecutive intensive care unit admissions. Maternal age, gestation of newborns, mode of delivery, presence of coexisting medical problems, duration of stay, admission diagnosis, specific intensive care interventions (mechanical ventilation, continuous veno-venous hemofiltration, central venous catheterization, and arterial cannulation), outcome, maternal mortality, and acute physiology and chronic health evaluation (APACHE) II score were recorded. Obstetric patients (n=125) represented 2.64% of all intensive care unit admissions and 0.89% of all deliveries during the five-year period. The overall mortality of those admitted to the intensive care unit was 10.4%. Maternal age and gestation of newborns were similar in survivors and non-survivors. There were significant differences in length of stay and APACHE II score between survivors and non-survivors P < 0.05. The commonest cause of intensive care unit admission was preeclampsia/eclampsia (73.6%) followed by post-partum hemorrhage (11.2%). Intensive care specialists should be familiar with these complications of pregnancy and should work closely with obstetricians.

Journal Article↗
PubMed2003

[Transfer of obstetric patients in a pregnant and postpartum condition to an intensive care unit: eighty-two cases in Burkina Faso].

OBJECTIVE: To review all obstetric admissions to an intensive care unit (ICU) of an African hospital. PATIENTS AND METHODS: Retrospective analysis of the records of all obstetric patients admitted to the ICU of Souro Sanou Hospital in Burkina Faso, from January 1st, 1996, to June 30, 1998. RESULTS: Eighty-two patients out of 6119 deliveries were transferred to the ICU, which meant a 1.34% transfer rate. These transfers concerned young patients (mean age of 24 years), coming originally from outlying maternities in 52.4% and having already given birth in 64.63% of the cases. The two main diagnoses at the ICU were: eclampsia and septic shock. The large majority of the patients (73 out of 82) had at least one bad prognosis factor at admission at the ICU. A maternal mortality rate of 60% was noted, the main risk factors for mortality being acute respiratory condition and severe anemia. CONCLUSION: Mortality of obstetric patients admitted to ICUs is very high in our setting. Establishing an ICU within the obstetric unit or early detection of cases to be transferred (scoring system?) should improve the prognosis.

Adult↗
PubMed1994

Obstetrical outcome with increasing maternal age.

A retrospective study of 21,442 Singaporean women who gave birth at the National University Hospital, Singapore, between January 1986 and November 1991 is used to assess the effects of increasing age on obstetric performance. The results show that reproduction after the age of 35 years in Singapore is associated with a higher incidence of antenatal complications such as hypertension and diabetes and a higher rate of obstetric intervention. However, given the current level of obstetric and neonatal care in Singapore, these adverse features do not prejudice the obstetric and neonatal outcomes.

Adult↗
PubMed2003

Dilemma of increased obstetric risk in pregnancies following IVF-ET.

PURPOSE: To determine the rates of pregnancy complications following in vitro fertilization in comparison with those in a matched control group. METHODS: A total of 13,543 deliveries at the Department of Obstetrics and Gynecology, University of Szeged, between January 1, 1995 and February 28, 2002 were subjected to retrospective analysis The 230 (1.7%) pregnancies following IVF-ET were evaluated and matched with spontaneous pregnancies concerning age, parity, gravidity, and previous obstetric outcome. Demographic and selected maternal characteristics, pregnancy and labor complications, and neonatal outcome were compared in the two groups RESULTS: The pregnancy complication rate was partly significantly higher among the singleton IVF-ET pregnancies. The obstetric risk was elevated, though not significantly concerning twin pregnancies. CONCLUSIONS: IVF-ET presents an additional obstetric risk. The neonatal outcome displays a significant difference only concerning an increased premature birth rate of singleton pregnancies. Triplet IVF-ET pregnancies involve a much higher risk of both pregnancy complications and neonatal outcome.

Birth Weight↗
PubMed1998

Obstetric care in southern Tanzania: does it reach those in need?

OBJECTIVE: To assess whether antenatal care achieves identification and timely referral of high-risk pregnancies in southern Tanzania. METHODS: We compared the risk profiles of pregnant women in general with those attending obstetric care and investigated the reasons for seeking care. The risk profile of inpatients was drawn up through interviews with maternity cases and analysis of their antenatal records at the regional referral hospital (n = 415); population-based data on the prevalence of specific risk factors were obtained from entries in antenatal care registers (n = 1630) and from literature. RESULTS: A significant risk selection towards obstetric referral level care was observed only for previous caesarean section (prevalence hospital 6.7%, all pregnancies 1.5%, P < 0.005) and for nulliparity (hospital 42.8%, all pregnancies 25.0%, P < 0.005). No significant differences were observed for other risk factors such as previous perinatal death, height < 150 cm, multiple gestation and breech presentation. Prevalence of the risk factors age > 34 years and grand multiparity was significantly lower among hospital users. Coverage of obstetric care was below 50% for all risk factors except previous caesarean section (91.5%). CONCLUSION: Despite pursuing the risk approach and very good coverage, antenatal care in Tanzania has only limited effect on extending obstetric care to high-risk mothers. A critical review of the present screening and counselling practices, including a more focused and client-centred application of risk assessment, is warranted.

Adult↗