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Preterm labor, cervical cerclage (especially when performed as an emergency procedure), and diabetes mellitus are all associated with an increased risk of chorioamnionitis. It might be expected that the combination of all 3 could lead to especially severe infection. We report such a case. A woman with a history of two spontaneous midtrimester abortions had had cervical cerclage performed at 13 weeks. She was referred at 24 weeks' gestation with preterm labor, and the cervix was found to be dilated. An emergency repeat cerclage was performed. The following day, ultrasonography revealed the presence of intra-amniotic gas. Infection was confirmed by the presence of a purulent cervical discharge, a neutrophilia with a left shift, and an elevated C-reactive protein level. The cervical stitch was removed and labor induced. The infant was liveborn, but succumbed to the complications of prematurity and sepsis. E. coli was isolated. In her subsequent pregnancy, severe gestational diabetes was diagnosed and following pregnancy, permanent diabetes mellitus was confirmed. The combination of infection, diabetes, and intact membranes may lead to a particularly severe form of chorioamnionitis, with the production of gas within the amniotic cavity. Infection should be excluded before emergency cervical cerclage, especially in the woman with diabetes mellitus.
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PMID:Emphysematous chorioamnionitis diagnosed by ultrasonography. 925 46

We report a case of maternal brain death at 25 weeks gestation in which aggressive maternal hemodynamic, respiratory, and metabolic support and tocolytic drug therapy resulted in prolongation of pregnancy for 25 days. The indication for delivery was torulopsis giabrata amnionitis, which may have occurred due to transmembrane or transplacental route. The baby was treated for fungal sepsis, and did well. Premature labor may occur spontaneously after maternal brain death, and may be precipitated by infection or by maternal drug therapy. The myriad of hemodynamic and endocrine issues associated with maternal brain death complicate the choice of tocolytic drugs, but this case illustrates that uterine activity can be successfully blocked, potentially diminishing risks to the newborn, following the tragedy of maternal brain death during pregnancy.
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PMID:Brain death during pregnancy: tocolytic therapy and aggressive maternal support on behalf of the fetus. 926 66

Intrauterine infection is a major cause of premature labor with and without intact membranes. Intrauterine infection is present in approximately 25% of all preterm births and the earlier the gestational age at delivery, the higher the frequency of intra-amniotic infection. Microorganisms may also gain access to the fetus before delivery. A fetal inflammatory response syndrome elicited in response to microbial products is associated with the impending onset of preterm labor and also with multi-systemic organ involvement in the human fetus and a higher rate of perinatal morbidity. The most common microorganisms involved in intrauterine infections are Ureaplasma urealyticum, Fusobacterium species and Mycoplasma hominis. The role of Chlamydia trachomatis and viruses in preterm labor remain to be determined. Use of molecular microbiology techniques to diagnose intrauterine infection may uncover the role of fastidious microorganisms that have not yet been discovered. Antibiotic administration to patients with asymptomatic bacteriuria is associated with a significant reduction in the rate of preterm birth. However, such benefit has not been demonstrated for patients with bacterial vaginosis, or women who carry Streptococcus agalactia, Ureaplasma urealyticum or Trichomonas vaginalis. Antibiotic administration to patients with preterm premature rupture of membranes is associated with prolongation of pregnancy and a reduction in the rate of clinical chorioamnionitis and neonatal sepsis. The benefit has not been demonstrated in patients with preterm labor and intact membranes. Major efforts are required to determine why some women develop an ascending intrauterine infection and others do not and also what interventions may reduce the deleterious effect of systemic fetal inflammation.
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PMID:Intrauterine infection and prematurity. 1192 80

Pregnancy after the fifth delivery is viewed with anxiety, especially by obstetricians in developing countries working with inadequate facilities. High parity is still common with serious consequences to the fetus, the mother, the family and society. In the last 40 years, non-governmental, national and international efforts have been made to reduce fertility rates. We therefore intended to determine the trend in the grandmultiparity rates from 1 January 1987 to 31 December 1994 in the South Western part of Nigeria. The obstetric performance of these grandmultiparae in two different settings were to be compared. This was a retrospective, case-note analysis of all the grandmultiparae delivered at the University College Hospital (UCH) (Group A) and the Oluyoro Catholic Hospital (OCH) (Group B), both in Ibadan city. The former is a tertiary health care centre while the latter is a secondary centre. The socio-clinico-demographic characteristics of these patients were collated and analysis and comparison performed using EPI-INFO software. In Group A, 828 grandmultiparae were seen among 9215 deliveries, a rate of 8.99% (10.90% in 1987 to 3.36% in 1994). In Group B, there were 1940 cases among 22 587 deliveries, i.e. 8.59% (12.75% to 6.07%), respectively. The modal age group was 31-35 years, and women above 35 years formed one-third of cases. The parity group 5-7 was the most frequent in both groups (91.6% vs. 94.9%). Only two mothers (both in group B) had parity above 10. Booked patients formed a larger percentage in Group B than in Group A (85.8% vs. 69.7%, respectively). In Group B 85.9% had spontaneous vertex delivery as opposed to 66.3% in Group A. Caesarean section was the mode of delivery in 9.0% and 24.2% in Groups B and A, respectively. Equal percentages had breech delivery. The modal birth weight was 2.51-3.00 kg in both groups. Macrosomic babies formed 3.7% in Group A and 2.4% in Group B, while low birth weight babies formed 17.7% and 11.7% in Groups A and B, respectively. The crude perinatal death ratio was 123/1000 in Group A and 68/1000 in Group B. Antepartum haemorrhage, anaemia and premature rupture of membranes in Group A and anaemia, hypertension and antepartum haemorrhage in Group B were the most common pregnancy complications noted. In labour, abnormal lie/presentation, prolonged labour and premature labour in Group A and abnormal lie/presentation, antepartum haemorrhage and birth asphyxia in Group B formed the majority of the complications. The most common puerperal complications were primary postpartum haemorrhage, wound/genital sepsis in Group A and anaemia and primary postpartum haemorrhage in Group B, respectively. Maternal death ratio was 10.85/100 000 total deliveries in Group A and 35.42/100 000 in Group B. High parity is still common in developing countries, although the incidence is declining, with rates of 3.4% and 6.1% of total deliveries in Groups A and B, respectively. More patients are delivered per abdomen at UCH compared to OCH. The perinatal mortality rate is higher at UCH than OCH but the maternal mortality rates follow the reverse. Recommendations are made concerning the reduction in high parity rates and its associated complications.
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PMID:Grandmultiparity--trends and complications: a study in two hospital settings. 1252 27

Infection due to Campylobacter fetus subsp. fetus during pregnancy is uncommon in humans. We report a case of a pregnant woman who experienced premature labor. The infant was diagnosed with neonatal sepsis due to C. fetus subsp. fetus, and was successfully treated with carbapenem. Maternal clinical symptoms and severe villitis suggested that the route of fetal infection was hematogenous spread. We also review previous reports in the literature that describe this infection during pregnancy.
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PMID:A case of perinatal sepsis by Campylobacter fetus subsp. fetus infection successfully treated with carbapenem--case report and literature review. 1654 30

Listeria monocytogenes can cause a placental-foetal infection that results in spontaneous abortion, premature labour, stillbirth, or neonatal sepsis and meningitis. Bacteria cross the maternofoetal barrier at the villous syncytiotrophoblast level and subsequently spread from the placenta to the fetus. L. monocytogenes is able to induce different kinds of death in a variety of cells. Murine hepatocytes, murine T and human B lymphocytes, and murine dendritic cells die by apoptosis, whereas bacterial infection of murine and human macrophages leads mainly to necrotic cell death. As we previously described the efficient infection and growth of L. monocytogenes in a human amniotic cell line, we investigated the fate of these cells in order to analyse the mode of cell death. Our results provide biochemical and morphological evidence of necrotic death induced by L. monocytogenes infection.
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PMID:Necrotic cell death in human amniotic cells infected by Listeria monocytogenes. 1930 62

Listeriosis is caused by Listeria monocytogenes, a gram-positive bacillus common in the environment and acquired by humans primarily through consumption of contaminated food. Infection causes a spectrum of illness, ranging from febrile gastroenteritis to invasive disease, including sepsis and meningoencephalitis. Invasive listeriosis occurs predominantly in older adults and persons with impaired immune systems. Listeriosis in pregnant women is typically a mild "flu-like" illness, but can result in fetal loss, premature labor, or neonatal infection. Listeriosis is treated with antibiotics. On September 2, 2011, the Colorado Department of Public Health and Environment (CDPHE) notified CDC of seven cases of listeriosis reported since August 28. On average, Colorado reports two cases of listeriosis annually in August. By September 6, all seven Colorado patients interviewed with the Listeria Initiative* questionnaire reported eating cantaloupe in the month before illness began, and three reported eating cantaloupe marketed as "Rocky Ford."
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PMID:Multistate outbreak of listeriosis associated with Jensen Farms cantaloupe--United States, August-September 2011. 2197 19

Actinomycosis is a rare infection in patients younger than 10years of age. It mainly affects the cervicofacial region, but many other sites of infection have been recognized. About 70% of infections are due to either Actinomyces israelii or Actinomyces gerencseriae. Actinomyces neuii was first described in 1985 in two patients with post cataract endophthalmitis, A. neuii represents 17% of clinical Actinomyces isolates. Several reports indicated a well-known association between Actinomyces infections and Intrauterine devices (IUD). We are reporting a case of neonatal sepsis due to A. neuii as a first case reported from Saudi Arabia. It was thought to be the cause of the premature labor and neonatal sepsis. The prevalence of Actinomyces infection is likely underestimated and additional premature labors and abortions could have been caused by Actinomyces infections that were never detected. More studies are needed to confirm the association of maternal Actinomyces infections with preterm labor.
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PMID:Premature labor and neonatal sepsis caused by Actinomyces neuii. 2970 18

Introduction: Premature birth is a leading cause of neonatal morbidity and mortality. Since gestational age at birth is the most important predictive factor of adverse neonatal outcomes, strategies to postpone premature labor are of major importance. Studies on tocolytic drugs show that COX inhibitors such as indomethacin are superior to others in terms of efficiency in delaying birth, but results concerning neonatal outcomes associated with prenatal exposure to these drugs show controversial results. Indomethacin is also used in the postnatal age for pharmacologic treatment of patent ductus arteriosus (PDA), but no data concerning the effects of antenatal exposure on postnatal ductal patency are available.Methods: In this study, we focused primarily on the association between antenatal indomethacin (AI) and postnatal patency of ductus arteriosus while our secondary aim was to highlight any possible influence of AI exposure on adverse neonatal outcomes. We performed a retrospective analysis of 241 medical records of newborns born before 33 weeks' gestation and exposed to antenatal tocolysis. Obstetrical data and neonatal outcomes of newborns exposed to AI were compared to those of neonates exposed to other tocolytic drugs. Early ductal closure (EDC) was defined when functional echocardiography performed within 24 hours of life showed a closed duct. Occurrence of intraventricular hemorrhage (IVH), periventricular leukomalacia (PVL), respiratory distress syndrome (RDS), chronic lung disease (CLD), necrotizing enterocolitis (NEC), sepsis, and PDA were compared between the groups and the diagnosis of at least one of III-IV grade IVH, PVL, CLD, sepsis, surgical NEC, or death was defined as a severe outcome.Results: The univariate analysis showed that infants in the AI group were at a higher risk of IVH, CLD, RDS, sepsis, and PDA. The incidence of severe outcomes also appeared to be higher in this group, while no effect of AI on PDA was observed. Since we noticed that infants exposed to AI had a lower gestational age and worse clinical conditions at birth when compared to the controls, we considered this as a confounding factor. To overcome this bias, we performed a multivariate analysis that evidenced no significant role of AI on the occurrence of severe outcomes. On the other hand, a possible association was confirmed for all degrees of IVH (OR: 3.16, 95% CI : [1.41; 7.05]) and sepsis (OR: 2.81, 95% CI: [1.24; 6,28]).Conclusions: The unexpected result shown by the multivariate analysis was the association between AI exposure and EDC (OR: 2.52, 95% CI: [1.02; 6.21]). This result, which has never been evidenced in previous studies, has great clinical importance. It is well known that PDA is more frequent at lower gestational ages, thus reducing the incidence of PDA could lead to an improvement of overall outcomes in extremely preterm newborns.
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PMID:Effects of antenatal indomethacin on ductus arteriosus early closure and on adverse outcomes in preterm neonates. 2998 20

Renal pelvicalyceal dilatation is caused by urine retention in the upper urinary tract. It is referred to as pyelectasis in medical literature. This term does not indicate the cause that leads to the dilatation of and urine retention in the renal pelvicalyceal system. Mild pelvicalyceal dilatation during pregnancy is usually considered to be physiological in nature - it can occur in up to 90% of pregnant women. Retention is more common in the right kidney, in primigravidae, in the second half of pregnancy and in multiple pregnancies. Pyelectasis during pregnancy rarely causes clinical symptoms and often does not require treatment. Nevertheless, urine retention in the renal pelvicalyceal system is conducive to the development of asymptomatic bacteriuria and may be a risk factor for recurrent urinary tract infections, pyelonephritis and acute kidney failure; it may also cause renal colic. In consequence, this condition can lead to intrauterine infection and premature labor in the pregnant woman and to prematurity, anemia, congenital pneumonia or sepsis in the child. In a study conducted at the 3 rd Department of Gynecology of the Medical University of Lublin it was concluded that unilateral pyelectasis of more than 20 cm 3 is associated with a significant increase in the risk of asymptomatic bacteriuria. This volume corresponds to grade 3 and/or 4 pelvicalyceal dilatation according to the Society for Fetal Urology/European Federation of Societies for Ultrasound in Medicine and Biology classification. The pyelectasis volume measuring method using three-dimensional ultrasound scanning included in the criteria for the assessment of asymptomatic bacteriuria was assessed as sensitive and specific. The ultrasound-based evaluation of the kidneys for the presence of pyelectasis and its grade in pregnant women has some clinical implications. It allows for identifying cases with an increased risk of asymptomatic bacteriuria, which requires treatment in pregnant women. Screening during pregnancy for pyelectasis seems to be important in preventing asymptomatic bacteriuria from progressing to symptomatic urinary tract infection.
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PMID:Ultrasound screening for pyelectasis in pregnant women. Clinical necessity or "art for art's sake"? 3045 9


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