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https://www.readbyqxmd.com/read/29155140/pregnancy-and-parturition-negatively-impact-vaginal-angle-and-alters-expression-of-vaginal-mmp-9
#1
Sallie Oliphant, Timothy Canavan, Stacy Palcsey, Leslie Meyn, Pamela Moalli
BACKGROUND: Parity is the greatest risk factor for the development of pelvic organ prolapse. The normally supported vagina is pulled up and back over the levator ani. Loss of vaginal angulation has been associated with prolapse and may represent injury to the vaginal supportive tissues. OBJECTIVE: We propose that 1) pregnancy and delivery impact support to the vagina leading to loss of vaginal angle; 2) vaginal angulation is restored postpartum; and 3) uncomplicated vaginal delivery (VD) is associated with accelerated remodeling of the vaginal fibrillar matrix...
November 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29145063/prevalence-causes-resolution-and-consequences-of-bovine-dystocia-in-italy
#2
Ippolito De Amicis, Maria Cristina Veronesi, Domenico Robbe, Alessia Gloria, Augusto Carluccio
The aim of this study was to report prevalences and causes of dystocias in dairy and beef cattle, in primiparous and multiparous cows, as well as the mortality rate of calves and cows, obtained after 11 years of records across various farms in Italy. On a total of 14,575 records from dairy Italian Friesian cows, beef Romagnola and Marchigiana cows, a prevalence of 5.6% was observed, with a significant higher prevalence in primiparous (p < 0.0001), and dairy cows (p < 0.0001). Dystocias of fetal origin were higher than the ones of maternal origin (p < 0...
November 7, 2017: Theriogenology
https://www.readbyqxmd.com/read/29139556/delivery-outcomes-of-large-for-gestational-age-newborns-stratified-by-the-presence-or-absence-of-gestational-diabetes-mellitus
#3
Hadar Rosen, Anat Shmueli, Eran Ashwal, Liran Hiersch, Yariv Yogev, Amir Aviram
OBJECTIVE: To evaluate separate and combined contributions of gestational diabetes mellitus (GDM) and large-for-gestational age (LGA) on delivery outcomes. METHODS: In a retrospective cohort study of term singleton deliveries between 2007 and 2014 in Tel Aviv, Israel, outcomes were compared between non-GDM/AGA pregnancies (reference) and three study groups: non-GDM/LGA, GDM/appropriate for gestational age (AGA) and GDM/LGA. RESULTS: Overall, there were 62 102 deliveries, of which 53 201 (85...
November 15, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29132336/study-protocol-the-labor-progression-study-laps-does-the-use-of-a-dynamic-progression-guideline-in-labor-reduce-the-rate-of-intrapartum-cesarean-sections-in-nulliparous-women-a-multicenter-cluster-randomized-trial-in-norway
#4
Stine Bernitz, Rebecka Dalbye, Pål Øian, Jun Zhang, Torbjørn Moe Eggebø, Ellen Blix
BACKGROUND: The increasing rate of intrapartum cesarean sections is subject of attention and concern as it is associated with adverse outcomes. Labor dystocia is one of the most frequent indications for cesarean sections even though there is no consensus on criteria for labor dystocia. Traditionally the progression of labor follows guidelines based on Friedman's curve from the mid 1950s. In 2010 Zhang presented a new labor curve and a dynamic guideline for labor progression based on contemporary research...
November 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29119576/natural-course-of-fetal-axillary-lymphangioma-based-on-prenatal-ultrasound-studies
#5
Theera Tongsong, Suchaya Luewan, Jiraporn Khorana, Sirinart Sirilert, Cholaros Charoenratana
This series and literature review aimed to prenatally characterize the nature of axillary lymphangioma. A total of 30 cases, including our 5 cases, were analyzed. Insights gained from this review are as follows: Septate and nonseptate cysts seem to be different entities. The nonseptate type tends to be small and transient but more highly associated with aneuploidies. Septate cysts are very rarely associated with other abnormalities and hydrops fetalis, unlike cystic hygroma colli, but are more progressive with gestational age and associated with adverse outcomes...
November 9, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29119568/unchanged-mitochondrial-phenotype-but-accumulation-of-lipids-in-the-myometrium-in-obese-pregnant-women
#6
Christiane Marie Bourgin Folke Gam, Lea Hüche Larsen, Ole Hartvig Mortensen, Line Engelbrechtsen, Steen Seier Poulsen, Klaus Qvortrup, Elisabeth Reinhart Mathiesen, Peter Damm, Bjørn Quistorff
KEY POINTS: Obesity during pregnancy and childbirth is associated with labour dystocia leading to instrumental or operative delivery, but the underlying pathophysiological mechanisms remain unclear and insufficient uterine contractility has been suggested. This study examined whether reduced myometrial mitochondrial capacity or quantity could contribute as a pathophysiological mechanism to labour dystocia. Data did not support reduced myometrial mitochondrial capacity or quantity in the myometrium at term in obese women, but a reduced myocyte density with increased triglyceride content was demonstrated, which could lead to poorer uterine contractility...
November 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29112649/racial-and-ethnic-differences-in-utilization-of-labor-management-strategies-intended-to-reduce-cesarean-delivery-rates
#7
Lynn M Yee, Maged M Costantine, Madeline Murguia Rice, Jennifer Bailit, Uma M Reddy, Ronald J Wapner, Michael W Varner, John M Thorp, Steve N Caritis, Mona Prasad, Alan T N Tita, Yoram Sorokin, Dwight J Rouse, Sean C Blackwell, Jorge E Tolosa
OBJECTIVE: To examine whether racial and ethnic differences exist in the frequency of and indications for cesarean delivery and to assess whether application of labor management strategies intended to reduce cesarean delivery rates is associated with patient's race and ethnicity. METHODS: This is a secondary analysis of a multicenter observational obstetric cohort. Trained research personnel abstracted maternal and neonatal records of greater than 115,000 pregnant women from 25 hospitals (2008-2011)...
November 3, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29108034/genetic-evaluation-for-birth-and-conformation-traits-in-dual-purpose-belgian-blue-cattle-using-a-mixed-inheritance-model
#8
R R Mota, P Mayeres, C Bastin, G Glorieux, C Bertozzi, S Vanderick, H Hammami, F G Colinet, N Gengler
The segregation of the causal mutation () in the muscular hypertrophy gene in dual-purpose Belgian Blue (dpBB) cattle is considered to result in greater calving difficulty (dystocia). Establishing adapted genetic evaluations might overcome this situation through efficient selection. However, the heterogeneity of dpBB populations at the locus implies separating the major gene and other polygenic effects in complex modeling. The use of mixed inheritance models may be an interesting option because they simultaneously assume both influences...
October 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/29078938/defining-and-managing-normal-and-abnormal-second-stage-of-labor
#9
REVIEW
Yvonne W Cheng, Aaron B Caughey
The American College of Obstetricians and Gynecologists (ACOG) Practice Bulletin No. 49 on Dystocia and Augmentation of Labor defines a prolonged second stage as more than 2 hours without or 3 hours with epidural analgesia in nulliparous women, and 1 hour without, or 2 hours with epidural in multiparous women. This definition diagnoses 10% to 14% of nulliparous and 3% to 3.5% of multiparous women as having a prolonged second stage. Although current labor norms remained largely based on data established by Friedman in the 1950s, modern obstetric population and practice have evolved with time...
December 2017: Obstetrics and Gynecology Clinics of North America
https://www.readbyqxmd.com/read/29078368/cliff-edge-model-predicts-intergenerational-predisposition-to-dystocia-and-caesarean-delivery
#10
Philipp Mitteroecker, Sonja Windhager, Mihaela Pavlicev
Recently, we presented the cliff-edge model to explain the evolutionary persistence of relatively high incidences of fetopelvic disproportion (FPD) in human childbirth. According to this model, the regular application of Caesarean sections since the mid-20th century has triggered an evolutionary increase of fetal size relative to the dimensions of the maternal birth canal, which, in turn, has inflated incidences of FPD. While this prediction is difficult to test in epidemiological data on Caesarean sections, the model also implies that women born by Caesarean because of FPD are more likely to develop FPD in their own childbirth compared with women born vaginally...
October 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29062091/evidence-of-reproductive-stress-in-titanosaurian-sauropods-triggered-by-an-increase-in-ecological-competition
#11
Albert G Sellés, Bernat Vila, Àngel Galobart
The occurrence of dinosaur pathologic eggs in the Late Cretaceous of Europe is well known, but their origin remains unclear. Here we expose the results of a detailed sampling of the conspicuous fossil record of Late Cretaceous titanosaurian eggs (oogenus Megaloolithius) from several southwestern Europe basins. After examining more than 450 samples, we observed a remarkable and statistically supported occurrence of multiple pathologic eggs in a relatively short stratigraphic range at the end of the early Maastrichtian, circa 71-70 Ma...
October 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29053055/successful-surgical-repair-and-recovery-in-a-2-week-old-infant-after-birth-related-cervical-fracture-dislocation
#12
Sara Saleh, Kyle I Swanson, Taryn Bragg
Cervical spine injuries are the most common spine injuries in the pediatric population. The authors present the youngest known patient who underwent cervical spine fusion to repair birth trauma-induced cervical fracture dislocation, resulting in spondyloptosis and spinal cord injury. A 2-week-old boy was found to have spondyloptosis and spinal cord injury after concerns arose from reduced movement of the extremities. The patient's birth was complicated by undiagnosed abdominal dystocia, which led to cervical distraction injury...
October 20, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29025527/-being-a-mother-after-35-years-will-it-be-different
#13
Bárbara Marques, Francisca Palha, Edgar Moreira, Sandra Valente, Margarida Abrantes, Joana Saldanha
INTRODUCTION: Advanced maternal age is defined as maternity after 35 years old and is associated with more complications during pregnancy and neonatal period as well as decreased fertility. This study aims to examine the relationship between advanced maternal age and their maternal and fetal consequences, as well as maternal perception of the risk of pregnancy after 35 years old. MATERIAL AND METHODS: Observational, retrospective and comparative study, between two groups: advanced maternal age group (aged ≥ 35 years) and non-advanced maternal age group (age < 35 years), conducted between March and June 2015...
September 29, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/29017303/single-stage-posterior-approach-for-total-resection-of-presacral-giant-schwannoma-a-technical-case-report
#14
Byoung Hun Lee, Seung-Jae Hyun, Jong-Hwa Park, Ki-Jeong Kim
The neurogenic tumor of frequent occurrence in the presacral area is a schwannoma. Giant presacral schwannoma has a risk for anterior surgical approach because of its massive size and proximity to abundant vascularity of presacral region. We report a single stage posterior approach for total resection of a giant presacral schwannoma. A 40-year-old female patient experienced left buttock pain and tingling sensation at left S1 dermatome. Magnetic resonance imaging showed that the presacral huge mass at S1-3 level with osseous extension and structural remodeling in left sacral ala...
September 2017: Korean Journal of Spine
https://www.readbyqxmd.com/read/29016426/the-epidemiology-of-brachial-plexus-birth-palsy-in-the-united-states-declining-incidence-and-evolving-risk-factors
#15
Christopher J DeFrancesco, Divya K Shah, Benjamin H Rogers, Apurva S Shah
BACKGROUND: The epidemiology of brachial plexus birth palsy (BPBP) in the United States may be changing over time due to population-level changes in obstetric care. METHODS: The Kids' Inpatient Database from 1997 to 2012 was analyzed. Annual estimates of BPBP incidence and disease determinant distribution were calculated for the general population and the study population with BPBP. Long-term trends were analyzed. A multivariate logistic regression model was used to quantify the risk associated with each determinant...
October 9, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28987825/potential-of-connected-devices-to-optimize-cattle-reproduction
#16
Marie Saint-Dizier, Sylvie Chastant-Maillard
Estrus and calving are two major events of reproduction that benefit from connected devices because of their crucial importance in herd economics and the amount of time required for their detection. The objectives of this review are to: 1) provide an update on performances reached by sensor systems to detect estrus and calving time; 2) discuss current economic issues related to connected devices for the management of cattle reproduction; 3) propose perspectives for these devices. The main physiological parameters monitored separately or in combination by connected devices are the cow activity, body temperature and rumination or eating behavior...
September 27, 2017: Theriogenology
https://www.readbyqxmd.com/read/28979638/-fight-against-maternal-mortality-in-rural-areas-decentralization-of-emergency-obstetric-cares-in-burkina-faso
#17
Souleymane Kaboré, Clément Ziemlé Méda, Issiaka Sombié, Léon Blaise Savadogo, Robert Karama, Koabié Bakouan, Djénéba Sanon Ouédraogo, Norbert Coulibaly, Robert Lucien Kargougou, Emanuel Lankoandé, Ramatou Windsouri Sawadogo, Karen Gosch
INTRODUCTION: In order to cover the shortage of midwives (MWs) in the health district of Tougan, Burkina Faso, a strategy for the decentralization of emergency obstetric cares, based on ad hoc interventions undertaken by MW to manage obstetric complications in health centers (HCs), has been developed in rural areas. This study aimed to describe this experience and to analyze the achieved results. METHODS: We conducted a cross-sectional, analytical, intervention study based on a review of routine data from all the parturients treated from 2013 to 2015...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28977845/quantitative-assessment-of-the-effect-of-pre-gestational-diabetes-and-risk-of-adverse-maternal-perinatal-and-neonatal-outcomes
#18
Lei Yu, Xiao-Ling Zeng, Ming-Liang Cheng, Guo-Zhen Yang, Bi Wang, Zi-Wen Xiao, Xin Luo, Bao-Fang Zhang, De-Wei Xiao, Shuai Zhang, Hua-Juan Liu, Ya-Xin Hu, Hou-Kang Lei, Qin-Fen Li, Zheng-Rong Wang
Pregnancies complicated by pre-gestational diabetes (PGD) are associated with a higher rate of adverse outcomes, including an increased rage of preterm delivery, pregnancy-induced hypertension, pre-eclampsia, caesarean section, perinatal mortality, stillbirth, shoulder dystocia, macrosomia, small for gestational age, large for gestational age, low birth weight, neonatal hypoglycemia, neonatal death, low Apgar score, NICU admission, jaundice and respiratory distress. In the past two decades, numerous reports have been published regarding associations between PGD and risk of adverse outcomes...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28951278/successful-external-cephalic-version-is-an-independent-factor-for-caesarean-section-during-trial-of-labor%C3%A2-%C3%A2-a-matched-controlled-study
#19
J Boujenah, C Fleury, C Bonneau, I Pharisien, A Tigaizin, L Carbillon
INTRODUCTION: To assess the mode of delivery and Caesarean Section (CS) rate after successful External Cephalic Version (ECV). MATERIAL AND METHODS: A matched case-control study. Data were gathered from a tertiary care university hospital register from 1996-2015. All pregnant women who delivered after successful External Cephalic Version (ECV). Among 643 women who attempted ECV, we identified 198 with successful ECVs and compared them with the next two women who presented for labor management with spontaneous cephalic presentation, matching for delivery date, maternal age, parity, body mass index, and delivery history using univariate and stepwise logistic regression...
September 22, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28936715/comparing-different-partograph-designs-for-use-in-standard-labor-care-a-pilot-randomized-trial
#20
Nigel J Lee, Jeremy Neal, Nancy K Lowe, Sue V Kildea
Backgound Partographs are used in many labour settings to provide a pictorial overview of a woman's cervical dilation pattern in the first stage of labor and to alert clinicians to slow progress possibly requiring intervention. Recent reviews called for large trials to establish the efficacy of partographs to improve birth outcomes whilst highlighting issues of clinician compliance with use. Previous studies have also reported issues with participant recruitment related to concerns regarding the possibility of a longer labour...
September 21, 2017: Maternal and Child Health Journal
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