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Biomedical subjects

D Subtil

Publications and source records attributed to D Subtil.

At least 19 recordsLinked to original sources

[Self-collected vaginal swabs to diagnosis bacterial vaginosis during pregnancy: A pilot study].

OBJECTIVE: To study the feasibility of a screening for bacterial vaginosis by a self-collected vaginal swab during pregnancy. To measure bacterial vaginosis prevalence in a non-representative sample of women. PATIENTS AND METHODS: A self-collected swab was suggested to 398 women who consulted between 15 and 33 weeks of gestation in three different centres. Gram stain evaluation using Nugent criteria was used for the diagnosis of bacterial vaginosis. RESULTS: Three hundred and forty-one women agreed to take part in the study (86%). The quality of the swabs was satisfactory in 93% of the cases. Concerning the 15 non-interpretable slides, the cellular and bacterial density was too poor, owing to a poor quality or a low vaginal flora. Thirty-one women (9%) had a bacterial vaginosis--Nugent score included between 7 and 10--and this frequency did not vary according to the centre. Thirty-five women (10%) had an intermediate flora--score between 4 and 6--and this result varied from 2 to 12% depending on the centre, but the difference was not significant. DISCUSSION AND CONCLUSION: Self-collected swabs to detect bacterial vaginosis are well accepted by most of pregnant women, and the quality of the swabs seems to be satisfactory. In case vaginal flora is intermediate--between 4 and 6--the interpretation of the slides could be difficult.

Female↗

[The HELLP syndrome: diagnosis and therapeutic burden].

Management of HELLP syndrome is still controversial. In order to improve maternal and foetal prognosis, 2 approaches are usually considered: immediate termination of pregnancy (risk of foetal complications related to prematurity) or conservative treatment (maternal risk of complications related to hematologic disorders). Choice of treatment needs to be taken after evaluation of the maternal and fetal risk/benefit ratio.

Abortion, Therapeutic↗

[Post-partum broad ligament hematoma embolization: a case report].

We relate the embolization of a hematoma of the broad ligament which developed suddenly in the post-partum period. The radiological intervention could be considered as an alternative treatment. The decision for embolization must be a multidisciplinary decision involving all the specialists concerned (interventional radiologist, intensive care specialist, and obstetrician).

Adult↗

[Benckiser's hemorrhage: severe and inevitable?].

Benckiser's hemorrhage is a rare affection associated with 75-100% neonatal mortality. It is due to the rupture of one or more velamentous and previa vessels. We report two cases, one of which was fatal for the child despite immediate neonatal management. This illustrates how difficult the obstetrical and neonatal management of this affection is. Risk factors for velamentous insertion of the cord and vasa previa are multiple pregnancies, low lying placenta, bilobed and succenturiate-lobed placenta. First we specify the pathophyisiological implication of this severe hemorrhage, then the means to diagnose fetal bleeding or vasa previa. This knowledge could allow us to develop strategies to screen women sonographically to detect vasa previa. Unfortunately the benefits, risks, limits and cost of such strategies remain unknown.

Adult↗

[Acute per-partum feto-fetal transfusion. A case study on two sets of twins].

Description of acute per-partum feto-fetal transfusion. The risk of twin-twin transfusion syndrome in monochorionic twin pregnancies is well known. This pathology starts in the second trimester and has a chronic course. Acute per-partum feto-fetal transfusion seems to be less frequent and has not been studied. In the study, we described two cases of acute per-partum feto-fetal transfusion. The outcomes of the pregnancies were as follows: following a successful delivery, the first set of twins presented hypovolemic shock at birth due to an acute anemia. The second set of twins was polyglobulic, but otherwise healthy at birth. The risk of hypovolemic shock seems to be unpredictable, even if the pregnancy is monitored. Obstetricians and pediatricians must keep this pathology in mind when dealing with this kind of pregnancy. Moreover, it would be interesting to obtain systematically a full blood count of each set of twins of monochorionic pregnancies, in order to detect every case of feto-oetal transfusion.

Adult↗

[Polycythemia vera and pregnancy: difficulties for diagnosis and treatment].

Polycythemia vera is a myeloproliferative syndrome. This clonal disorder involves a pluripotent stem cell capable of differentiating into red blood cells, granulocytes, and platelets. Polycythemia vera is characterized by the overproduction of mature red blood cells in the bone marrow. Myeloid and megakaryocytic elements are also often increased. Polycythemia vera (PV) is rarely associated with pregnancy. About 20 cases have been reported. Prognosis of PV is not influenced by pregnancy. Conversely, pregnancy outcome is poor, due to the occurrence of gestational hypertension, stillbirth and induced prematurity. During pregnancy, clinical management needs to be close including a collaborative approach between obstetricians, hematologists and anesthesists. The risk of poor outcome may be reduced by the association of antiaggregant and anticoagulant therapy. Phlebotomy can be provided in order to maintain hemoglobin level under 42%.

Adult↗

Prenatal findings in epidermolysis bullosa with pyloric atresia in a family not known to be at risk.

Epidermolysis bullosa with pyloric atresia (EB-PA) is a rare autosomal recessive genetic disease with a poor prognosis. We report a case of EB-PA in a non-consanguineous couple with a non-contributory family history. The primigravid woman was referred to us because of polyhydramnios associated with fetal gastric dilatation at 33 weeks of gestation. Maternal serum alpha-fetoprotein (AFP) had been elevated at 15 weeks' gestation (3.08 multiples of the median), and ultrasound examination showed polyhydramnios with echogenic amniotic fluid, gastric dilatation, and no other associated malformation. The fetal karyotype was normal female (46,XX). Acetylcholinesterase (ACHe) and AFP levels in the amniotic fluid were normal. Labor occurred spontaneously at 35 weeks' gestation. Clinical examination of the newborn showed large areas of cutaneous blisters and erosions, as well as pyloric atresia. Immunofluorescence analysis of skin samples confirmed EB-PA. Molecular analysis showed a new mutation of the integrin beta-4 gene: heterozygote missense deletions (3807delC/310delC, respectively, exons 31 and 5). The child died from severe sepsis at the age of 13 days. Our observation emphasizes the difficulty of interpreting prenatal ultrasound findings when there is no suggestive context.

Adult↗

Prevalence, causes, and outcome at 2 years of age of newborn encephalopathy: population based study.

OBJECTIVES: To ascertain the prevalence of newborn encephalopathy in term live births, and also the underlying diagnoses, timing, and outcome at 2 years of surviving infants. DESIGN: Population based observational study. SETTING: North Pas-de-Calais area of France, January to December 2000. PATIENTS: All 90 neonates with moderate or severe newborn encephalopathy. RESULTS: The prevalence of moderate or severe newborn encephalopathy was 1.64 per 1000 term live births (95% confidence interval (CI) 1.30 to 1.98). The prevalence of birth asphyxia was 0.86 per 1000 term live births (95% CI 0.61 to 1.10). The main cause of newborn encephalopathy was birth asphyxia, diagnosed in 47 (52%) infants. It was associated with another diagnosis in 11/47 cases (23%). The timing was intrapartum in 56% of cases, antepartum in 13%, ante-intrapartum in 10%, and postpartum in 2%. In 19% of cases, no underlying cause was identified during the neonatal course. Twenty four infants died in the neonatal period, giving a fatality rate of 27% (95% CI 17% to 36%). Three infants died after the neonatal period. At 2 years of age, 38 infants had a poor outcome, defined by death or severe disability, a prevalence of 0.69 per 1000 term live births (95% CI 0.47 to 0.91). In infants with isolated birth asphyxia, this prevalence was 0.36 per 1000 term live births (95% CI 0.20 to 0.52). CONCLUSIONS: The causes of newborn encephalopathy were heterogeneous but the main one was birth asphyxia. The prevalence was low, but the outcome was poor, emphasising the need for prevention programmes and new therapeutic approaches.

Age Factors↗

Routine CMV screening during pregnancy.

Cytomegalovirus (CMV) screening during pregnancy has been widely discussed for several years, but still no consensus has been agreed. With a number of live births of 750,000 per year in France, we would expect 7500 infected infants at birth per year (rate of congenital infection of 1%). Among infected infants at birth, the number of severely infected foetuses would be approximately 75, the number of infants with severe sequelae would be 480, 675 approximately would present with hearing loss and the number of asymptomatic infants would be 6270. Five different preventive methods for congenital CMV infection are possible: (1) Routine CMV screening at the beginning of pregnancy for primary prevention. (2) Secondary prevention by antenatal diagnosis of congenital CMV infection complications. (3) Tertiary prevention by serological testing during pregnancy. (4) Tertiary prevention by serological screening at birth. (5) Tertiary prevention: Hearing loss screening at birth. The aims of this review are to define the advantages and disadvantages of these different methods of CMV screening during pregnancy and to determine if the current available information would make systematic testing acceptable.

Cytomegalovirus Infections↗

[Maternal and fetal consequences of increased gestational weight gain in women of normal prepregnant weight].

OBJECTIVE: To study the effects of increased gestational weight gain in women of normal prepregnant weight. PATIENTS AND METHODS: We compared 174 patients gaining more than 18 kg to 174 patients gaining between 9 and 15 kg. Body mass index was normal for every woman included in the study. RESULTS: Weight gain > or =18 kg was associated with increased risk of vascular complications (5.2% vs. 1.1%, P < 0.05) but not with increased risk of mellitus diabetes (5.2% vs. 4.0%, NS). Weight gain > or =18 kg prolonged labor length (414.4 +/- 147 min vs. 376.5 +/- 166.4 min, P < 0.05) and increased the rate of cesarean section (19.5% vs. 10.3%, P < 0.05). Neonatal outcome was similar in both groups, mean birth weight was greater (3413.6 +/- 427.0 g vs. 3163.4 +/- 495.1 g, P < 0.05) and the frequency of infants weighing more than 4000 g at birth was increased (8.0% vs. 4.0%, P < 0.05) among women gaining more than 18 kg. CONCLUSION: Excess weight gain in pregnancy affects gestational and delivery outcomes and results in higher frequency of fetal macrosomia. These results confirm recommendations on weight gain in pregnancy as guidelines for pregnant women.

Adult↗

[Important elevation of uric acid associated with vomiting at the third trimester of pregnancy: report of five cases with favorable outcome].

We report five cases of vomiting associated with a very important increase of maternal plasma uric acid (> 595 mmol/l, 100 mg/l) at the third trimester of pregnancy. In all cases, elevation was transitory and regressive with rehydratation. Pregnancies proceeded normally to term and delivered healthy babies. An important rise of plasmatic uric acid during pregnancy can be found in severe hypertensive disorders (preeclampsia, HELLP syndrome, acute fatty liver). Nevertheless, it can be related to transient renal insufficiency without any severe pathology. In our five observations, digestive disorders seem to be the reason for this phenomenon and spontaneous prognosis was excellent in all cases.

Adult↗

[Vaginal birth after caesarean delivery in twin gestation: is trial of labor allowed?].

OBJECTIVE: To determine if a trial of labor in twin pregnancy with previous cesarean section is an acceptable alternative to systematic cesarean section. PATIENTS AND METHODS: Based on a retrospective and comparative study from 1st January 1996 to 30th June 2003 in Maternite Jeanne-de-Flandre (Lille) and Pavillon Paul-Gelle (Roubaix), 35 trials of labor in twin pregnancies with previous cesarean section have been compared with 35 twin gestations attempting vaginal delivery without a prior cesarean. This comparative study has been led by sorting out the patients according to their gestational age, parity and maternity. RESULTS: Twenty-seven women (77%) delivered vaginally and eight (23%) by elective caesarean section. Postpartum hemorrhage was more frequent for caesarean section (75%). No scare dehiscence or rupture occurred. There was not any haemostasis hysterectomy or embolisation related to postpartum haemorrhage. Neonatal outcome was similar in both groups. DISCUSSION AND CONCLUSION: Twin trial of labor after a previous cesarean section seems to be a safe alternative to routine repeat cesarean delivery as maternal and fetal morbidity and mortality are safe.

Adult↗

[Mode of delivery and term breech presentation in the PREMODA cohort].

OBJECTIVES: The purpose of this work was to report labor and birth management practices for term breech presentation in France and Belgium in 2001-2002 and to describe indications for cesarean sections (before labor, emergency situations) in breech presentations. MATERIAL AND METHODS: The PREMODA cohort is a survey population which included 19408 deliveries, 8108 of which were term breech presentations. RESULTS: Infants were delivered by cesarean section before labor (59.1%), emergency cesarean section during labor (18.4%) or vaginally (22.5%). The decision for cesarean section before labor was empirical (breech presentation) in 44.3% of the cases. Half of the cesarean sections performed during labor (n=704, 49.3%) were planned C-sections. Overall, 67.8% of the breech presentations were delivered during planned cesarean sections (before or during labor). When vaginal delivery was attempted, the rate of vaginal birth was 70%. CONCLUSION: These early results reveal a high rate of cesarean section as well as differences in inter-regional practices. Considering all cesarean sections performed before labor, the most frequent indication was an empirical decision because of the breech presentation. An increased rate of planned cesarean section does not reduce the rate of vaginal delivery when attempted.

Adult↗

[Postpartum hemorrhage: frequency, consequences in terms of health status, and risk factors before delivery].

In the developing countries, postpartum hemorrhage is the leading cause of maternal death and affects approximately 1% of pregnant women. In developed countries like ours, maternal mortality is one hundred fold lower but remains the cause of maternal death for about 10 women per 100,000 births. In the last decade, French confidential inquiries show that the number of maternal deaths by postpartum hemorrhage are probably the double of the number in nearby countries, whereas hemorrhage should no longer be the leading cause of maternal death in our countries. Postpartum hemorrhage is defined as the loss of 500 ml or more blood in the 24 hours following delivery (5% of deliveries), but maternal tolerance is really threatened starting from 1,000 ml (1% of the women approximately). "Life-threatening" situations concern approximately one patient in one thousand so that obstetricians are rarely faced with this situation. For maternal morbidity or mortality, the risk factors of postpartum hemorrhage are nearly the same: maternal age, multiple pregnancies, uterine scars, abruptio placentae, cesarean section, poor social condition and absence of prenatal care constitute the main risk factors of postpartum hemorrhage. Maternal age must be kept in mind because it is the most related to mortality by hemorrhage, even if prevention is difficult. However, progress in delivery care which are applied to all the patients could make it possible to limit the harmful effects of this risk factor. A recent study showed that organizational factors also part of the factors of risk of maternal morbidity/mortality and could be studied for intervention.

Cause of Death↗