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Placenta previa

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https://www.readbyqxmd.com/read/29786153/vasa-previa-screening-strategies-a-decision-and-cost-effectiveness-analysis
#1
R G Sinkey, A O Odibo
OBJECTIVE: The aim of this study is to perform a decision and cost-effectiveness analysis comparing four screening strategies for the antenatal diagnosis of vasa previa among singleton pregnancies. METHODS: A decision-analytic model was constructed comparing vasa previa screening strategies. Published probabilities and costs were applied to four transvaginal screening scenarios which occurred at the time of mid-trimester ultrasound: no screening, ultrasound-indicated screening, screening pregnancies conceived by in vitro fertilization (IVF), and universal screening...
May 22, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29782696/routine-antenatal-ultrasound-in-low-and-middle-income-countries-first-look-a-cluster-randomized-trial
#2
Robert L Goldenberg, Robert O Nathan, David Swanson, Sarah Saleem, Waseem Mirza, Fabian Esamai, David Muyodi, Ana L Garces, Lester Figueroa, Elwyn Chomba, Melody Chiwala, Musaku Mwenechanya, Antoinette Tshefu, Adrien Lokangako, Victor Lokomba Bolamba, Janet L Moore, Holly Franklin, Jonathan Swanson, Edward A Liechty, Carl L Bose, Nancy F Krebs, K Michael Hambidge, Waldemar A Carlo, Nancy Kanaiza, Farnaz Naqvi, Irma Sayury Pineda, Walter López-Gomez, Dorothy Hamsumonde, Margo S Harrison, Marion Koso-Thomas, Menachem Miodovnik, Dennis D Wallace, Elizabeth M McClure
OBJECTIVE: Ultrasound is widely regarded as an important adjunct to antenatal care (ANC) to guide practice and reduce perinatal mortality. We assessed the impact of ANC ultrasound use at health centers in resource-limited countries. DESIGN: Cluster randomized trial. SETTING: Clusters within five countries (Democratic Republic of Congo, Guatemala, Kenya, Pakistan and Zambia). METHODS: Clusters were randomized to standard ANC or standard care plus two ultrasounds and referral for complications...
May 21, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29782139/obstetric-outcomes-after-fresh-versus-frozen-thawed-embryo-transfers-a-systematic-review-and-meta-analysis
#3
Matheus Roque, Marcello Valle, Marcos Sampaio, Selmo Geber
OBJECTIVE: To evaluate if there are differences in the risks of obstetric outcomes in IVF/ICSI singleton pregnancies when compared fresh to frozen-thawed embryo transfers (FET). METHODS: This was a systematic review and meta-analysis evaluating the obstetric outcomes in singleton pregnancies after FET and fresh embryo transfer. The outcomes included in this study were pregnancy-induced hypertension (PIH), pre-eclampsia, placenta previa, and placenta accreta. RESULTS: The search yielded 654 papers, 6 of which met the inclusion criteria and reported on obstetric outcomes...
May 21, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29778438/does-previous-cesarean-section-influence-neonatal-birth-weight-a-path-analysis-in-china
#4
Chunxiang Qin, Yulong Deng, Wei-Ti Chen, Chunmei Mi, Weiyan Wang, Mei Sun, Jiarui Chen, Wei Liu, Siyuan Tang
BACKGROUND: Since the One-child Policy was revised to a Two-child policy in 2013, the number of pregnancies with previous cesarean section suddenly increased in China. The aim of this study was to test if a previous cesarean section influenced the neonatal birth weight under Chinese background. METHODS: A retrospective study was conducted. Path analysis was used to test the hypothesized model for the association among previous cesarean section, placenta previa, gestational age and neonatal birth weight...
May 16, 2018: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/29777345/placenta-accreta-and-balloon-catheterization-the-experience-of-a-single-center-and-an-update-of-latest-evidence-of-literature
#5
Ferdinando Antonio Gulino, F Di Guardo, E Zambrotta, L M Di Gregorio, Andrea Miranda, Stella Capriglione, M A Palumbo
PURPOSE: We studied the efficacy of using pre-cesarean delivery (CD) temporary occlusion of internal iliac arteries with balloon catheters in case of placenta previa-accreta in terms of maternal and neonatal outcomes and to test accuracy of ultrasound (US) and magnetic resonance imaging (MRI) for prenatal diagnosis. METHODS: From March 2014 to January 2018, women with an US and/or MRI diagnosis of placenta previa-accreta and a planned delivery were enrolled and divided into two groups: balloon catheterization group (women treated with preoperative catheters and CD) and control group (women candidates to elective CD)...
May 18, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29764452/risk-factors-for-korean-women-to-develop-an-isthmocele-after-a-cesarean-section
#6
I Y Park, M R Kim, H N Lee, Y Gen, M J Kim
BACKGROUND: The increase in number of cesarean section (CS) operations has resulted in an increase in cases of isthmocele development. The objective of this study is to determine the risk factors for isthmocele development after CS. METHODS: Isthmocele measurements were taken for 404 women with a history of at least one low transverse CS. The following potential risk factors were investigated: patient's age at CS, cause of CS, weeks of gestation at CS, premature rupture of membrane (PROM), phase of labor, type suture (single/double layer), operation time, uterine flexion (anteversion/retroversion), and blood transfusion during operation...
May 15, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29747968/prenatal-diagnosis-of-abnormal-invasive-placenta-by-ultrasound-measurement-of-highest-peak-systolic-velocity-of-subplacental-blood-flow
#7
Junling Zhang, Hezhou Li, Fang Wang, Hongyan Qin, Qiaohong Qin
The aim of the study described here was to identify an efficient criterion for the prenatal diagnosis of abnormal invasive placenta. We evaluated 129 women with anterior placenta previa who underwent trans-abdominal ultrasound evaluation in the third trimester. Spectral Doppler ultrasonography was performed to assess the subplacental blood flow of the anterior lower uterine segment by measuring the highest peak systolic velocity and resistive index. These patients were prospectively followed until delivery and evaluated for abnormal placental invasion...
May 7, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29747267/-application-of-uterine-lower-part-breakwater-like-suture-operation-in-placenta-previa
#8
Y Zhao, J W Zhu, D Wu, Q H Wang, S S Lu, X X Liu, L Zou
Objective: To explore the efficacy and safety of uterine lower posterior wall breakwater-like suture technique in controlling the intraoperative bleeding of placenta previa. Methods: From June 2016 to June 2017, 47 patients were diagnosed placenta previa in Union Hospital, Tongji Medical College of Huazhong University of Science and Technology. Posterior wall breakwater-like suture technique was used preferentially, as for cases with poor myometrium layer, lower anterior wall stitch suture was used at the same time...
April 25, 2018: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29742939/reply-to-a-sandwich-technique-n-h-variation-technique-to-reduce-blood-loss-during-cesarean-delivery-for-complete-placenta-previa
#9
Hany F Salam, Nahla W Shady
No abstract text is available yet for this article.
May 9, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29697001/nestin-is-highly-expressed-in-fetal-spinal-cord-isolated-from-placenta-previa-patients-and-promotes-inflammation-by-enhancing-nf-%C3%AE%C2%BAb-activity
#10
Ling Li, Jing Zhang, Huahe Gao, Yuyan Ma
Purpose Nestin is expressed in various tissues of the embryo in patients with placenta previa, while the regulatory mechanism still unknown. Materials and methods All participants terminated pregnancy. Among them, 75 patients with placenta previa were assigned to the case group and 80 healthy pregnant women with normal placenta were assigned to the control group. Expression of nestin and CDK5 in fetal spinal cord tissues was detected by Western Blot and RT-qPCR methods. The enzyme-linked immunosorbent assay (ELISA) was used to determine the serum expression of some pro-inflammatory cytokines in placenta previa patients...
April 26, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29695212/random-placenta-margin-incision-in-cesarean-section-for-placenta-previa-some-clarifications
#11
Shigeki Matsubara, Hironori Takahashi
No abstract text is available yet for this article.
April 25, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29693718/comparison-of-transabdominal-and-transvaginal-sonography-in-the-diagnosis-of-placenta-previa
#12
Chusana Petpichetchian, Savitree Pranpanus, Thitima Suntharasaj, Ounjai Kor-Anantakul, Tharangrut Hanprasertpong
PURPOSE: To compare the accuracies of transabdominal sonography (TAS) and transvaginal sonography (TVS) in the diagnosis of placenta previa. METHODS: A prospective, cross-sectional study was conducted at a university hospital. Both TAS and TVS were performed on 81 pregnant women with a suspicion of placenta previa in the third trimester. The final diagnosis was confirmed at delivery. The agreement between the two ultrasound methods and the parameters of each method were calculated...
April 25, 2018: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29692677/comparative-study-of-obstetric-and-neonatal-outcomes-of-live-births-between-poor-and-good-quality-embryo-transfers
#13
Kozue Akamine, Keiko Mekaru, Keiya Gibo, Chinatsu Nagata, Sugiko Oishi, Maho Miyagi, Chiaki Heshiki, Tadatugu Kinjo, Hitoshi Masamoto, Yoichi Aoki
Purpose: To evaluate the effect of embryo quality on pregnancy outcomes. Methods: This retrospective analysis included 80 live singleton births, resulting from morphologically good-quality embryo transfers, and 25 live singleton births that resulted from morphologically poor-quality embryo transfers between January, 2008 and December, 2014. Cleavage embryos that were graded as ≥2, according to the Veeck classification system, and blastocysts that were graded as ≥3BB, according to the Gardner classification system, were defined as good quality...
April 2018: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29690807/a-sandwich-technique-n-h-variation-technique-to-reduce-blood-loss-during-cesarean-delivery-for-complete-placenta-previa-methodological-and-statistical-concerns
#14
Ahmed M Abbas
No abstract text is available yet for this article.
April 24, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29690805/correction-to-karami-et-al-the-association-of-placenta-previa-and-assisted-reproductive-techniques-a-meta-analysis
#15
(no author information available yet)
No abstract text is available yet for this article.
April 24, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29690803/correction-to-jenabi-and-fereidooni-the-uterine-leiomyoma-and-placenta-previa-a-meta-analysis
#16
(no author information available yet)
No abstract text is available yet for this article.
April 24, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29686936/complete-placenta-previa-ultrasound-biometry-and-surgical-outcomes
#17
Alison C Wortman, Stephanie L Schaefer, Donald D McIntire, Jeanne S Sheffield, Diane M Twickler
Objective  To evaluate the relationship between surgical outcomes and ultrasound measurement of placental extension beyond the cervical os in women with placenta previa. Study Design  This is a retrospective cohort study of singleton pregnancies with placenta previa undergoing third-trimester ultrasound and delivering at our institution from 2002 through 2011. For study purposes, an investigator measured placental extension, defined as the placental distance from the internal os across the placenta continuing out to the lowest placental edge...
April 2018: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/29665668/-application-of-lower-abdominal-aorta-balloon-occlusion-technique-by-ultrasound-guiding-during-caesarean-section-in-patients-with-pernicious-placenta-previa
#18
L C Wei, G Y Gong, J H Chen, P Y Hou, Q Y Li, Z Y Zheng, Y M Su, Y Zheng, C Z Luo, K Zhang, T F Xu, Y H Ye, Y J Lan, X M Wei
Objective: To discuss the feasibility, effect and safety of lower abdominal aorta balloon occlusion technique by ultrasound guiding during caesarean section in patients with pernicious placenta previa. Methods: The clinical data of 40 patients with pernicious placenta previa complicated with placenta accreta from January 2015 to August 2017 in Liuzhou workers hospital were analyzed retrospectively. The study group included 20 cases, which were operated in the way of cesarean section combined lower abdominal aorta balloon occlusion technique by ultrasound guiding, while the control group also included 20 cases, which were operated in the way of the conventional cesarean section without balloon occlusion technique...
March 27, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29665357/second-trimester-surgical-abortion-practices-in-the-united-states
#19
Katharine O White, Heidi E Jones, Jade Shorter, Wendy V Norman, Edith Guilbert, E Steve Lichtenberg, Maureen Paul
OBJECTIVE: To assess whether second-trimester surgical abortion practices of U.S. providers agree with evidence-based policy guidelines. STUDY DESIGN: We conducted a cross-sectional survey of abortion facilities in the U.S. identified via publicly available resources and professional networks from June through December 2013. RESULTS: Of 703 identified facilities, 383 (54%) participated including 172 clinicians providing second-trimester surgical abortions (D&Es)...
April 14, 2018: Contraception
https://www.readbyqxmd.com/read/29626978/a-novel-scoring-system-for-predicting-adherent-placenta-in-women-with-placenta-previa
#20
Kenji Tanimura, Mayumi Morizane, Masashi Deguchi, Yasuhiko Ebina, Utaru Tanaka, Yoshiko Ueno, Kazuhiro Kitajima, Tetsuo Maeda, Kazuro Sugimura, Hideto Yamada
INTRODUCTION: Placenta previa (PP) is one of the most significant risk factors for adherent placenta (AP). The aim of this study was to evaluate the diagnostic efficacy of a novel scoring system for predicting AP in pregnant women with PP. METHODS: This prospective cohort study enrolled 175 women with PP. The placenta previa with adherent placenta score (PPAP score) is composed of 2 categories: (1) past history of cesarean section (CS), surgical abortion, and/or uterine surgery; and (2) ultrasonography and magnetic resonance imaging findings...
April 2018: Placenta
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