Publications by authors named "Blondel B"

Background: The French guidelines have recommended a restrictive policy of episiotomy since 2005. We aimed to assess variations in the prevalence of both episiotomy and obstetric anal sphincter injury (OASI) from the 2010, 2016, and 2021 National Perinatal Surveys.

Methods And Findings: A total of 29,750 women who had given birth to a live infant by vaginal delivery were included.

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Introduction: In asymptomatic subjects, variations of sagittal alignment parameters according to age and pelvic incidence (PI) has been reported. The aim of this observational study was to describe thoraco-lumbar sagittal alignment in patients with degenerative scoliosis and to compare them to asymptomatic individuals, seeking for the specific effect of deformity in similar age and PI groups.

Materials And Methods: Full spine radiographs of 235 asymptomatic subjects and 243 scoliosis patients were analyzed: cervico-thoracic inflexion point (CTIP), thoraco-lumbar inflexion point (TLIP), lumbar lordosis (LL) L1-S1, LL (TLIP-S1), LL superior arch (TLIP-lumbar apex), LL inferior arch (lumbar apex-S1), PI, thoracic kyphosis (TK) T5-T12, TK T1-T12, number of vertebrae CTIP-TLIPandTLIP-S1.

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Introduction: Although sagittal alignment is known to influence pelvic position, few studies accurately identify the relationship between sagittal alignment and acetabular orientation. We hypothesized that postoperative PT should be correlated with acetabular change in native hips after surgical correction of adult spinal deformity. The objective of this study was therefore to describe the correlation between the change in pelvic tilt and the change in acetabular orientation two years after surgical correction of adult spinal deformity.

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Article Synopsis
  • The choice of the lower vertebra for spinal fixation in adult spinal deformity, particularly around the lumbosacral junction, is debated, with options including stopping fixation at S1 or using lower points like S2AI or iliac screws to prevent implant pullout.
  • A new technique for posterior fixation combines S1 screws, iliac screws, and sacro-iliac implants, inspired by triangular pelvic fixation methods used for trauma.
  • This study outlines the operative technique using fluoroscopic guidance and shares preliminary results from treating 15 patients, labeled as level IV evidence.
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  • A study investigated early augmentation of labor (EAL) and its impact on cesarean delivery rates, postpartum hemorrhage, and neonatal outcomes among women in France.
  • Among 7,196 women studied, 21.2% underwent EAL, which was linked to a higher cesarean delivery rate of 8.40% compared to 6.15% in the non-EAL group.
  • However, EAL did not lead to significant differences in severe postpartum hemorrhage or adverse neonatal outcomes, suggesting its primary concern is increased cesarean deliveries.
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  • The study investigates midwife-led birth centers (MLBCs) versus obstetric-led units (OUs) in France, focusing on severe adverse outcomes and modes of birth for low-risk women.
  • Using nationwide data from 1,294 women in MLBCs and 5,985 in OUs, researchers analyzed maternal and neonatal morbidity rates and factors like postpartum hemorrhage and the use of oxytocin.
  • Results showed that while severe outcomes were slightly higher in MLBCs (4.6% vs. 3.4%), the difference was not significant after adjustments, with notable concerns about higher severe maternal morbidity linked to postpartum hemorrhage in MLBCs.
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Background: Severe trauma is the leading cause of disability and mortality in the patients under 35 years of age. Surgical site infections (SSI) represent a significant complication in this patient population. However, they are often inadequately investigated, potentially impacting the quality of patient outcomes.

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Objective: International migration from source countries has meant that clinicians in high income countries, that is, receiving countries, are increasingly caring for affected women affected by female genital mutilation/cutting (FGM/C). The aim of the present study was to assess the prevalence of FGM/C among women at childbirth, and its association with pregnancy outcomes.

Methods: This was an observational study using data from a cross-sectional population-based study from the French National Perinatal Survey of 2021 (ENP) conducted in all maternity units in mainland France and including all women delivering a live birth during 1 week in March 2021 (N = 10 928).

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Background: The Baby-Friendly Hospital Initiative (BFHI) is associated with improved breastfeeding outcomes in many high-income countries including the UK and the USA, but its effectiveness has never been evaluated in France. We investigated the impact of the BFHI on breastfeeding rates in French maternity units in 2010, 2016 and 2021 to assess if the BFHI aids to reduce inequalities in breastfeeding.

Methods: We examined breastfeeding in maternity units (exclusive, mixed and any breastfeeding) in mothers of singleton full-term newborns using the 2010 (n = 13 075), 2016 (n = 10 919) and 2021 (n = 10 209) French National Perinatal Surveys.

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Background: Cervical cancer is the fourth most common cancer among women worldwide, both for incidence and mortality. Prevention relies on screening with a Pap test to detect precancerous lesions, which can then be treated. Access to this screening is currently both improvable and inequitable.

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Background: Advanced pelvic surgery is associated with potential vascular risks. The aim of this study was to complete the existing classification of the anatomical variations of the internal iliac veins encountered on a series of preoperative angio CT with a view to performing anterior lumbar spine surgery.

Materials And Methods: In this monocentric retrospective study conducted between 2010 and 2020, all preoperative angio CT performed before an anterior lumbar surgery were systematically analyzed.

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Study Design: Retrospective multicenter study.

Objective: Our objective was to compare the spline-based measurement of sagittal spinal curvatures to fixed landmarks in a normative population.

Summary Of Background Data: Recent research has stressed the importance of considering sagittal curvature in its entirety using a spline reconstruction.

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Introduction: In asymptomatic subjects, variations of cervical sagittal alignment parameters according to age and spinopelvic organization have been reported. A large range of compensation phenomena has been observed in degenerative spinal deformity in order to maintain horizontal gaze, but it remains unclear how age and spinopelvic morphology could additionally influence cervical alignment. The aim of this observational retrospective study was to describe the distribution of cervical sagittal alignment parameters according to age and pelvic incidence in subjects with and without degenerative spinal deformity in order to precisely evaluate cervical compensation phenomena in adult spinal deformity (ASD).

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Background: Shared decision-making is an important component of a patient-centered healthcare system. We assessed the prevalence of parturients with preferences for their labor and childbirth, expressed verbally in the birthing room or as a written birth plan, and studied maternal, obstetric, and organizational factors associated with their expression.

Methods: Data came from the 2016 National Perinatal Survey, a cross-sectional nationwide population-based survey conducted in France.

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Objective: Evaluate the association between a combined measure of time-based pregnancy intention and preconception contraceptive behavior and suboptimal prenatal care.

Population And Method: Women delivering a live birth in all maternity units during one week in March 2016 were interviewed in the postpartum ward (N = 13,132). Multinomial logistic regression models were used to assess the association between the indicator of pregnancy intention and substandard prenatal care (late initiation of care and less than the recommended number of prenatal visits (<60% recommended)).

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Background: In the past decades, it has been recognized that sagittal alignment of the spine is crucial. Although the evolution of spinal alignment with growth has previously been described, there are no data for key parameters such as the exact shapes (extent and magnitude) of spinal curvatures. The goals of this study were therefore to determine normative values of spinopelvic sagittal parameters and to explore their variation during growth, based on the analysis of a large national cohort of healthy children.

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Introduction: Our objective was to identify factors associated with episiotomy practice in France, in particular, characteristics of the maternity units and regions of delivery.

Material And Methods: We performed a national cross-sectional population-based study in all French maternity units in 2016 including 9284 women with vaginal delivery. Our outcome was the performance of an episiotomy.

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Study Design: Retrospective study of a multicenter prospective database.

Objective: The objective of this study was to determine the organization and correlations between different spinal segments according to pelvic incidence (PI) and age.

Summary Of Background Data: When planning surgery for the correction of adult spinal deformities, considering lumbar lordosis (LL) as a uniform segment is an approximation that can lead to planning errors.

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Background: Despite an improvement in preventive care and perinatal health in previous decades, social inequalities persist, particularly to the disadvantage of isolated or unemployed women. The objective was to analyse the evolution between 1998 and 2016 of the association between women's occupational status and perinatal outcomes.

Methods: Data came from four national surveys performed in 1998, 2003, 2010 and 2016.

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Introduction: Research on maternal prepregnancy weight suggests adiposity is associated with dysfunctional labor, but knowledge about how gestational weight gain (GWG) affects labor is sparse. Our objective was to evaluate associations between GWG adequacy and intrapartum obstetric interventions (oxytocin administration; cesarean section) necessitated by labor dysfunction.

Material And Methods: Using national, population-based French National Perinatal Survey 2016 data, we included term cephalic singleton pregnancies involving trial of labor (n = 9724).

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Article Synopsis
  • The study compares the clinical and radiological outcomes of two surgical techniques, TLIF and ALIF plus posterior instrumentation, for treating low-grade isthmic spondylolisthesis over a two-year period.
  • Patients who underwent ALIF experienced shorter medical leave from work and faster relief from lumbar pain compared to TLIF, though they had longer hospital stays.
  • While both procedures were effective, ALIF showed a more significant increase in lordosis and a correlation between lordosis changes and pain reduction post-surgery.
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Introduction: Traumatic fractures of the thoracolumbar spine are common. Their management considers the fracture type according to the various classifications in existence, as well as the patient's background and age. In some cases, the occurrence of a fracture on a spine with an unoperated scoliotic deformity can be observed.

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Introduction: Low-grade isthmic spondylolisthesis (ISPL) is generally treated by circumferential fusion with interbody graft, although there is no consensus on technique.

Hypothesis: The various interbody fusion strategies provide satisfactory fusion rates and clinical results.

Methods: A multicenter retrospective study analyzed lumbar interbody fusion for low-grade ISPL performed between March 2016 and March 2019.

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