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https://www.readbyqxmd.com/read/29451861/induction-of-labor-in-twin-gestation-can-we-predict-success
#1
Armin S Razavi, Stephen T Chasen, Fiona Chambers, Robin B Kalish
OBJECTIVE: To identify factors associated with a successful induction of labor in twin pregnancies and associated maternal morbidity. STUDY DESIGN: This was a retrospective review of twin pregnancies ≥24 weeks' gestation undergoing labor induction from 2011 to 2016. The primary outcome was a successful induction of labor. The secondary outcome was a composite of maternal morbidity, including ≥1 of the following: estimated blood loss (EBL) >1500 ml, blood transfusion, hysterectomy, intensive care unit (ICU) admission or maternal death...
February 16, 2018: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29409456/task-shifting-in-active-management-of-the-third-stage-of-labor-a-systematic-review
#2
Tessa M Raams, Joyce L Browne, Verena J M M Festen-Schrier, Kerstin Klipstein-Grobusch, Marcus J Rijken
BACKGROUND: Active management of the third stage of labor (AMTSL) describes interventions with the common goal to prevent postpartum hemorrhage (PPH). In low- and middle-income countries, implementation of AMTSL is hampered by shortage of skilled birth attendants and a high percentage of home deliveries. Task shifting of specific AMTSL components to unskilled birth attendants or self-administration could be a strategy to increase access to potentially life-saving interventions. This study was designed to evaluate the effect, acceptance and safety of task shifting of specific aspects of AMTSL to unskilled birth attendants...
February 6, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29360539/discovery-of-leonuri-and-theraputical-applications-from-bench-to-bedside
#3
REVIEW
Yi Zhun Zhu, Weijun Wu, Qing Zhu, Xinhua Liu
Despite several advances in percutaneous coronary intervention and the discovery of new drugs, the incidence of myocardial infarction and deaths due to cardiovascular diseases (CVD) has not decreased markedly in China. The quality of life is affected seriously, which further results in great social and family burden. Many drugs, from the century-old aspirin to the newly FDA-approved Byvalson, have been proven to be effective in the treatment and prevention of CVD. As clinically reported, those life-saving drugs still have their side effects in regards to the narrow therapeutic indexes influenced by individual genetic variations...
January 19, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29330113/runt-related-transcription-factor-1-runx1-deficiency-attenuates-inflammation-induced-pro-inflammatory-and-pro-labour-mediators-in-myometrium
#4
Martha Lappas
Identifying new targets that regulate myometrial activation are required to develop effective treatments to stop preterm labor. Inflammation, which can be induced by sterile or infective insults, plays a role in initiating and maintaining uterine contractions. Several high throughput transcription screening studies have identified an upregulation of runt-related transcription factor 1 (RUNX1) mRNA expression in myometrium with labor. The role of RUNX1 in labor, however, is not known. We report increased RUNX1 during late gestation which was further augmented in labor, suggesting that RUNX1 may be involved in the transition of the myometrium from a quiescent into a contractile state in preparation for labor...
January 9, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29241383/the-effect-of-prophylactic-oral-tranexamic-acid-plus-buccal-misoprostol-on-blood-loss-after-vaginal-delivery-a-randomized-controlled-trial
#5
Nahla W Shady, Hany F Sallam, Ahmed H Elsayed, Abdelrahman M Abdelkader, Shymaa S Ali, Ahmed Alanwar, Ahmed M Abbas
OBJECTIVE: The objective of this study is to evaluate the effect of prophylactic oral tranexamic acid (TA) plus buccal misoprostol on the amount of blood loss after vaginal delivery in women at low risk for post-partum hemorrhage (PPH). MATERIALS AND METHODS: The study was a randomized open label clinical trial conducted in a tertiary University Hospital between January 2016 and June 2017. We included women who delivered vaginally with a singleton pregnancy. They were randomized into three groups: group I (women received 10 IU oxytocin IV after delivery of the baby), group II (women received 600 µg buccal misoprostol after delivery of the baby), and group III (women received 1000 mg oral TA at the end of the first stage of labor plus 600 µg buccal misoprostol after delivery of the baby)...
December 27, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29223625/development-and-validation-of-a-predictive-model-for-excessive-postpartum-blood-loss-a-retrospective-cohort-study
#6
Ana Rubio-Álvarez, Milagros Molina-Alarcón, Ángel Arias-Arias, Antonio Hernández-Martínez
BACKGROUND: postpartum haemorrhage is one of the leading causes of maternal morbidity and mortality worldwide. Despite the use of uterotonics agents as preventive measure, it remains a challenge to identify those women who are at increased risk of postpartum bleeding. OBJECTIVE: to develop and to validate a predictive model to assess the risk of excessive bleeding in women with vaginal birth. DESIGN: retrospective cohorts study. SETTING: "Mancha-Centro Hospital" (Spain)...
November 26, 2017: International Journal of Nursing Studies
https://www.readbyqxmd.com/read/29202781/acta2-mutation-and-postpartum-hemorrhage-a-case-report
#7
Kylie Cooper, Stephen Brown
BACKGROUND: ACTA2 encodes smooth muscle specific α-actin, a critical component or the contractile complex of vascular smooth muscle. Mutations in ACTA2 are the most common genetic cause of thoracic aortic aneurysm, and are also the cause of other disorders, including Moyamoya disease, coronary artery disease and stroke as well as Multisystemic Smooth Muscle Dysfunction Syndrome. We note that ACTA2 is also expressed in uterine smooth muscle, and this raises the possibility that women harboring ACTA2 mutations might exhibit uterine smooth muscle dysfunction...
December 4, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/29187156/lack-of-controlled-studies-investigating-the-risk-of-postpartum-haemorrhage-in-cesarean-delivery-after-prior-use-of-oxytocin-a-scoping-review
#8
Karin Bischoff, Monika Nothacker, Cornelius Lehane, Britta Lang, Joerg Meerpohl, Christine Schmucker
BACKGROUND: Postpartum haemorrhage (PPH) is a major cause of maternal mortality and morbidity worldwide. Experimental and clinical studies indicate that prolonged oxytocin exposure in the first or second stage of labour may be associated with impaired uterine contractility and an increased risk of atonic PPH. Therefore, particularly labouring women requiring cesarean delivery constitute a subset of patients that may exhibit an unpredictable response to oxytocin. We mapped the evidence for comparative studies investigating the hypothesis whether the risk for PPH is increased in women requiring cesarean section after induction or augmentation of labour...
November 29, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29175179/effects-of-oxytocin-and-pgf2%C3%AE-on-uterine-contractility-in-cows-with-and-without-metritis-an-in-vitro-study
#9
M Heppelmann, J Volland, C Pfarrer, M Kietzmann, W Bäumer, S Merbach, H-A Schoon, O Wellnitz, M Schmicke, M Hoedemaker, H Bollwein
The aim of this study was to investigate the effects of PGF2α and oxytocin in vitro on myometrial contractility in puerperal uteri. Thirteen puerperal uteri were removed and perfused after euthanasia of cows with (n=7) and without metritis (n=6). Measurement of uterine contractility was done using four piezoelectric crystals, which were implanted into the myometrium along the greater curvature of the uterine horn where fetal implantation occurred during the previous pregnancy. After 30min of equilibration, oxytocin (5 IU) or PGF2α (2...
November 23, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29141679/intramuscular-oxytocin-versus-intravenous-oxytocin-to-prevent-postpartum-haemorrhage-at-vaginal-delivery-labor-trial-study-protocol-for-a-randomised-controlled-trial
#10
Nita Adnan, Fiona Boland, Deirdre J Murphy
BACKGROUND: Primary postpartum haemorrhage (PPH) is one of the leading causes of maternal morbidity and mortality worldwide. The most common cause of primary PPH is uterine atony. Atonic PPH rates are increasing in developed countries despite routine active management of the third stage of labour. In less-developed countries, primary PPH remains the leading cause of maternal death. Although the value of routine oxytocics in the third stage of labour has been well established, there is inconsistent practice in the choice of agent and route of administration...
November 15, 2017: Trials
https://www.readbyqxmd.com/read/29132342/a-low-cost-uterine-balloon-tamponade-for-management-of-postpartum-hemorrhage-modeling-the-potential-impact-on-maternal-mortality-and-morbidity-in-sub-saharan-africa
#11
Tara Herrick, Mercy Mvundura, Thomas F Burke, Elizabeth Abu-Haydar
BACKGROUND: Postpartum hemorrhage (PPH) is the leading cause of maternal deaths worldwide. This study sought to quantify the potential health impact (morbidity and mortality reductions) that a low-cost uterine balloon tamponade (UBT) could have on women suffering from uncontrolled PPH due to uterine atony in sub-Saharan Africa. METHODS: The Maternal and Neonatal Directed Assessment of Technology (MANDATE) model was used to estimate maternal deaths, surgeries averted, and cases of severe anemia prevented through UBT use among women with PPH who receive a uterotonic drug but fail this therapy in a health facility...
November 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29122802/emergency-obstetric-care-provision-in-southern-ethiopia-a-facility-based-survey
#12
Mitchell Windsma, Tienke Vermeiden, Floris Braat, Andualem Mengistu Tsegaye, Asheber Gaym, Thomas van den Akker, Jelle Stekelenburg
OBJECTIVES: To assess the provision of basic emergency obstetric and newborn care (BEmONC), knowledge of high-risk pregnancies and referral capacity at health centres in Southern Ethiopia. DESIGN: A facility-based survey, using an abbreviated version of the Averting Maternal Death and Disability needs assessment tool for emergency obstetric and newborn care. Modules included infrastructure, staffing, number of deliveries, maternal and perinatal mortality, BEmONC signal functions, referral capacity and knowledge of risk factors in pregnancy...
November 8, 2017: BMJ Open
https://www.readbyqxmd.com/read/29073923/achieving-community-based-postpartum-follow-up-in-eastern-uganda-the-field-experience-from-the-mamamiso-study-on-antenatal-distribution-of-misoprostol
#13
James Ditai, Laura J Frye, Jill Durocher, Meagan E Byrne, Sam Ononge, Beverly Winikoff, Andrew D Weeks
BACKGROUND: Advance provision of misoprostol to women during antenatal care aims to achieve broader access to uterotonics for the prevention of postpartum hemorrhage. Studies of this community-based approach usually involve antenatal education as well as timely postpartum follow-up visits to confirm maternal and neonatal outcomes. The MamaMiso study in Mbale, Uganda sought to assess the feasibility of conducting follow-up visits in the postpartum period following advance provision of misoprostol for postpartum hemorrhage prevention...
October 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29037097/obstetrical-and-neonatal-outcomes-of-pregnancies-complicated-by-endometriosis
#14
Anat Shmueli, Lina Salman, Liran Hiersch, Eran Ashwal, Eran Hadar, Arnon Wiznitzer, Yariv Yogev, Amir Aviram
OBJECTIVE: Endometriosis is defined as the presence of endometrial-like tissue outside the uterus, associated with pelvic pain and subfertility, affecting 0.6-10% of the general female population. The association between endometriosis and obstetrical outcomes is not well established. We aimed to evaluate whether endometriosis is associated with a higher incidence of obstetrical and neonatal complications. STUDY DESIGN: A retrospective cohort study of all deliveries in a university-affiliated tertiary hospital (2007-2014)...
October 29, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29033832/cyclotides-isolated-from-an-ipecac-root-extract-antagonize-the-corticotropin-releasing-factor-type-1-receptor
#15
Mohsen Fahradpour, Peter Keov, Carlotta Tognola, Estela Perez-Santamarina, Peter J McCormick, Alireza Ghassempour, Christian W Gruber
Cyclotides are plant derived, cystine-knot stabilized peptides characterized by their natural abundance, sequence variability and structural plasticity. They are abundantly expressed in Rubiaceae, Psychotrieae in particular. Previously the cyclotide kalata B7 was identified to modulate the human oxytocin and vasopressin G protein-coupled receptors (GPCRs), providing molecular validation of the plants' uterotonic properties and further establishing cyclotides as valuable source for GPCR ligand design. In this study we screened a cyclotide extract derived from the root powder of the South American medicinal plant ipecac (Carapichea ipecacuanha) for its GPCR modulating activity of the corticotropin-releasing factor type 1 receptor (CRF1R)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29027315/cost-effectiveness-analysis-of-carbetocin-during-cesarean-section-in-a-high-volume-maternity-unit
#16
Hian Yan Voon, Asrul A Shafie, Mohamad A Bujang, Haris N Suharjono
AIM: To evaluate the cost effectiveness of carbetocin compared to oxytocin when used as prophylaxis against post-partum hemorrhage (PPH) during cesarean deliveries. METHODS: A systematic review of the literature was performed to identify randomized controlled trials that compared the use of carbetocin to oxytocin in the context of cesarean deliveries. Cost effectiveness analysis was then performed using secondary data from the perspective of a maternity unit within the Malaysian Ministry of Health, over a 24 h time period...
October 13, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29025850/protocol-for-a-pilot-randomised-double-blinded-placebo-controlled-trial-of-prophylactic-use-of-tranexamic-acid-for-preventing-postpartum-haemorrhage-tapph-1
#17
Asim Alam, Ameya Bopardikar, Shelly Au, Jon Barrett, Jeannie Callum, Alex Kiss, Stephen Choi
INTRODUCTION: Postpartum haemorrhage (PPH) is the leading cause of maternal morbidity and mortality worldwide. Despite the availability of multiple uterotonic agents, the incidence of PPH continues to rise. Tranexamic acid (TXA) has been shown to be a safe, effective and inexpensive therapeutic option for the treatment of PPH, however, its use prophylactically in mitigating the risk of PPH is unknown. This pragmatic randomised prospective trial assesses the feasibility and safety of administering TXA at the time of delivery for the prevention of PPH...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28988745/moving-beyond-uterotonics-for-the-treatment-of-postpartum-hemorrhage-lessons-from-the-woman-study
#18
Andrew D Weeks, Andre Lalonde
No abstract text is available yet for this article.
December 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28954603/matrix-metalloprotease-1-and-elastase-are-novel-uterotonic-agents-acting-through-protease-activated-receptor-1
#19
Scott W Walsh, William H Nugent, Anna V Solotskaya, Charles D Anderson, John R Grider, Jerome F Strauss
Matrix metalloproteinase-1 (MMP-1) and neutrophil elastase are proteolytic enzymes involved in tissue remodeling, but a role for them as uterotonic agents has not been considered. However, both these proteases activate protease-activated receptor 1 (PAR-1) that mediates thrombin-induced contractions. Matrix metalloproteinase-1 and elastase are products of neutrophils that infiltrate intrauterine tissues at the time of labor, so we tested the hypothesis that these proteases might be novel uterotonic agents acting via PAR-1...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28916261/differential-involvement-of-l-and-t-type-ca-2-channels-store-operated-calcium-channel-trpc-and-rho-kinase-signaling-pathway-s-in-pgf2%C3%AE-induced-contractions-in-myometrium-of-non-pregnant-and-pregnant-buffaloes-bubalus-bubalis
#20
Abhishek Sharma, Udayraj P Nakade, Pooja Jaitley, Vipin Sharma, Soumen Choudhury, Satish Kumar Garg
This study unravels the differential involvement of calcium signaling pathway(s) in PGF2α-induced contractions in myometrium of non-pregnant and pregnant buffaloes. Compared to the myometrium of pregnant animals, myometrium of non-pregnant buffaloes was more sensitive to PGF2α-induced contractile effect as manifested by the changes in mean integral tension (MIT) and tonicity. However, phasic contraction was significantly more in myometrium of pregnant animals. The uterotonic effect of PGF2α was dependent on extracellular Ca(2+) and its influx through nifedipine-sensitive L-type Ca(2+) channels both in non-pregnant and pregnant animals, but T-type Ca(2+) channels play an additional role during pregnancy...
September 12, 2017: Prostaglandins & Other Lipid Mediators
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