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https://www.readbyqxmd.com/read/28534017/delayed-postpartum-hemoperitoneum-due-to-uterine-artery-pseudoaneurysm-rupture
#1
Kyu-Sang Kyeong, Ji-Yeon Moon, Song-Hwa Chae, Seung Hwa Hong, Minho Kang, Eun-Hwan Jeong
A 30-year-old woman experienced severe abdominal pain 8 days after vaginal delivery. The patient was diagnosed with hemoperitoneum due to rupture of the left uterine artery pseudoaneurysm, which was confirmed via ultrasound with color Doppler and computed tomography scans. This patient was treated with bilateral uterine artery embolization to maintain fertility. A uterine artery pseudoaneurysm that causes delayed postpartum hemorrhage can occur after cesarean section or vaginal delivery. A uterine artery pseudoaneurysm can be fatal, so its detection and diagnosis are critical...
May 2017: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/28532830/transrectal-ultrasonography-for-measuring-of-combined-utero-placental-thickness-in-pregnant-mangalarga-marchador-mares
#2
REVIEW
Isabela S Campos, Guilherme N de Souza, Aline E Pinna, Ana M R Ferreira
This study aimed to measure the physiological changes in the combined utero-placental thickness (CUPT) during the course of normal pregnancy in Mangalarga Marchador mares. Transrectal B-mode ultrasonography was used to measure CUPT in 42 pregnant mares with a mean age, 8.7 (±3.5 years). CUPT was measured every month from 150 days of gestation until delivery. CUPT was expressed as an average of three measurements of the distance (mm) between the middle part of the uterine artery and the allantoic fluid. A General Linear Model was used to evaluate the major effects of the chronological age and stage of gestation on CUPT in mares...
July 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28525922/erratum-uterine-artery-leptin-receptors-during-the-ovarian-cycle-and-pregnancy-regulate-angiogenesis-in-ovine-uterine-artery-endothelial-cells
#3
Vladimir E Vargas, Rosalina Villalon Landeros, Gladys E Lopez, Jing Zheng, Ronald R Magness
No abstract text is available yet for this article.
April 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28524718/placental-protein-13-pp13-induced-vasodilation-of-resistance-arteries-from-pregnant-and-nonpregnant-rats-occurs-via-endothelial-signaling-pathways
#4
Tijana Drobnjak, Sveinbjörn Gizurarson, Natalia I Gokina, Hamutal Meiri, Maurizio Mandalá, Berthold Huppertz, George Osol
Placental protein 13 (PP13) induces hypotension in rats. This study aims to evaluate PP13 effects on isolated uterine arteries from nonpregnant and mid-pregnant rats. Vessels were isolated, cannulated, and pressurized to 50 mmHg within an arteriograph, preconstricted and exposed to increasing PP13 concentrations (10(-13)-10(-8) M). PP13 elicited 38-50% arterial vasodilation with half-maximum response (EC50) = 1 pM. The relaxation was mediated by activating the endothelial-signaling pathways of prostaglandin and nitric oxide (NO)...
May 19, 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28516272/uterine-artery-embolization-for-symptomatic-adenomyosis-7-year-clinical-follow-up-using-ufs-qol-questionnaire
#5
Annefleur M de Bruijn, Marieke Smink, Wouter J K Hehenkamp, Robbert J Nijenhuis, Albert J Smeets, Focco Boekkooi, Paul J H M Reuwer, Willem J Van Rooij, Paul N M Lohle
PURPOSE: The purpose of this study was to assess clinical outcomes 7 years after uterine artery embolization (UAE) in the treatment of symptomatic adenomyosis. MATERIALS AND METHODS: In this prospective cohort study, one specialized hospital in the Netherlands recruited patients with symptomatic adenomyosis or adenomyosis in combination with fibroids for UAE. The 7-year post-intervention outcomes were health-related quality of life (HRQOL), symptom severity scores (SSS), satisfaction, menopause and re-interventions...
May 17, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28515367/association-of-impaired-neuronal-migration-with-cognitive-deficits-in-extremely-preterm-infants
#6
Ken-Ichiro Kubo, Kimiko Deguchi, Taku Nagai, Yukiko Ito, Keitaro Yoshida, Toshihiro Endo, Seico Benner, Wei Shan, Ayako Kitazawa, Michihiko Aramaki, Kazuhiro Ishii, Minkyung Shin, Yuki Matsunaga, Kanehiro Hayashi, Masaki Kakeyama, Chiharu Tohyama, Kenji F Tanaka, Kohichi Tanaka, Sachio Takashima, Masahiro Nakayama, Masayuki Itoh, Yukio Hirata, Barbara Antalffy, Dawna D Armstrong, Kiyofumi Yamada, Ken Inoue, Kazunori Nakajima
Many extremely preterm infants (born before 28 gestational weeks [GWs]) develop cognitive impairment in later life, although the underlying pathogenesis is not yet completely understood. Our examinations of the developing human neocortex confirmed that neuronal migration continues beyond 23 GWs, the gestational week at which extremely preterm infants have live births. We observed larger numbers of ectopic neurons in the white matter of the neocortex in human extremely preterm infants with brain injury and hypothesized that altered neuronal migration may be associated with cognitive impairment in later life...
May 18, 2017: JCI Insight
https://www.readbyqxmd.com/read/28508254/comparison-of-pain-within-24%C3%A2-h-after-uterine-artery-embolization-with-tris-acryl-gelatin-microspheres-versus-gelatin-sponge-particles-for-leiomyoma
#7
Tetsuya Katsumori, Hisatomi Arima, Shunsuke Asai, Natsuko Hayashi, Hiroshi Miura
PURPOSE: To compare acute pain after uterine artery embolization (UAE) with tris-acryl gelatin microspheres (TAGM) versus gelatin sponge particles (GS) for leiomyoma. MATERIALS AND METHODS: This was a single-institution, retrospective study. Between July 2008 and November 2016, 101 consecutive patients with symptomatic uterine leiomyoma underwent UAE with the same protocol for post-procedural pain. GS was employed with near-stasis endpoint for the first 49 patients, whereas TAGM was used with limited endpoint for the next 52 patients...
May 15, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28506758/decreased-homodimerization-and-increased-timp-1-complexation-of-uteroplacental-and-uterine-arterial-matrix-metalloproteinase-9-during-hypertension-in-pregnancy
#8
Juanjuan Chen, Zongli Ren, Minglin Zhu, Raouf A Khalil
Preeclampsia is a complication of pregnancy manifested as hypertension-in-pregnancy (HTN-Preg) and often intrauterine growth restriction (IUGR). Placental ischemia could be an initiating event, but the molecular mechanisms are unclear. To test the hypothesis that dimerization of matrix metalloproteinases (MMPs) plays a role in HTN-Preg and IUGR, the levels/activity of MMP-9, tissue inhibitor of metalloproteinase (TIMP-1), and their dimerization forms were measured in the placenta, uterus, and uterine artery of normal pregnant (Preg) rats and a rat model of reduced uteroplacental perfusion pressure (RUPP)...
May 12, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28502262/effects-of-combined-iugr-and-prenatal-stress-on-the-development-of-the-hippocampus-in-a-fetal-guinea-pig-model
#9
A L Cumberland, H K Palliser, P Rani, D W Walker, J J Hirst
Intrauterine growth restriction (IUGR) and maternal stress during pregnancy are two compromises that negatively impact neurodevelopment and increase the risk of developing later life neuropsychiatric disorders such as schizophrenia, depression and behavioural disorders. Neurosteroids, particularly allopregnanolone, are important in protecting the developing brain and promoting many essential neurodevelopmental processes. Individually, IUGR and prenatal stress (PS) reduce myelination and neurogenesis within affected fetal brains, however less information is available on the combined effects of these two disorders on the term fetal brain...
May 15, 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28501280/evaluation-of-placental-vascularization-by-three-dimensional-ultrasound-examination-in-second-and-third-trimester-of-pregnancies-complicated-by-chronic-hypertension-gestational-hypertension-or-pre-eclampsia
#10
Andrea Surányi, Ábel Altorjay, László Kaiser, Tibor Nyári, Gábor Németh
OBJECTIVES: The purpose of this study was to assess three-dimensional placental power Doppler indices in second and third trimester of pregnancies complicated by chronic-, gestational hypertension or pre-eclampsia. METHODS: We analyzed 226 pregnancies prospectively measuring three-dimensional placental power Doppler indices (vascularization index, flow index, vascularization flow index) in cases of normal blood pressure (N=109), chronic hypertension (N=43), gestational hypertension (N=57) and pre-eclampsia (N=17)...
April 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/28491172/acquired-uterine-arteriovenous-fistula-following-dilatation-and-curettage-an-uncommon-cause-of-vaginal-bleeding
#11
Adam Evans, Roland E Gazaille, Richard McKenzie, Meghan Musser, Robert Lemming, Jarrod Curry, William Meyers, Nicholas Austin
Dysfunctional uterine bleeding is a common presentation of women in the emergency department. We describe the case of a 33-year-old female who presented with intermittent spotting due to an acquired uterine AVF. The patient underwent a transvaginal pelvic ultrasound as well as a CT angiogram. The patient was treated conservatively and elected to undergo uterine artery embolization in an effort to preserve fertility. She successfully delivered a healthy baby boy at 39-week gestation via an emergent caesarian section due to a prolapsed umbilical cord 17 months after undergoing the uterine artery embolization...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28491165/carbon-dioxide-angiography-and-arterial-embolization-could-successfully-control-postpartum-uterine-hemorrhage-for-the-patient-with-hypersensitivity-to-iodine-compound
#12
Sayaka Kawashita, Masanori Kaneuchi, Daisuke Nakayama, Naoki Fuchi, Yuko Murakami, Kiyonori Miura, Hideaki Masuzaki
Transcatheter arterial embolization has become a common management option for intractable postpartum uterine hemorrhage. Iodinated contrast agents are commonly used for embolotherapy but cannot be used in patients with renal dysfunction or iodine allergy. A 37-year-old woman spontaneously delivered a healthy girl but developed severe postpartum uterine hemorrhage, probably due to placenta accrete. Contrast-enhanced computed tomography revealed extravasation of the iodinated contrast agent into the uterine cavity...
June 2017: Radiology case reports
https://www.readbyqxmd.com/read/28487804/exploring-a-third-confirmed-case-of-hemoperitoneum-following-open-inguinal-hernia-repair-caused-by-sampson-artery-hemorrhage
#13
Jordan Hebert, Manoj Jagtiani, Alexander Hsu, David Schmelzer, Fred Wolodiger
Hemoperitoneum is a rare complication of open inguinal hernia repair. This is the third reported case of this complication attributed to the same bleeding source: Sampson's artery. Sampson's artery courses along the round ligament of the uterus in the inguinal canal of females, originating from the arcade formed between the uterine and ovarian arteries. Usually obliterated in postembryonic development, this artery can persist in some adult female patients. Disruption of Sampson's artery can lead to hemoperitoneum following ligation of the uterine round ligament during open inguinal hernia repair in females...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28484462/uterine-natural-killer-cells-functional-distinctions-and-influence-on-pregnancy-in-humans-and-mice
#14
REVIEW
Louise M Gaynor, Francesco Colucci
Our understanding of development and function of natural killer (NK) cells has progressed significantly in recent years. However, exactly how uterine NK (uNK) cells develop and function is still unclear. To help investigators that are beginning to study tissue NK cells, we summarize in this review our current knowledge of the development and function of uNK cells, and what is yet to be elucidated. We compare and contrast the biology of human and mouse uNK cells in the broader context of the biology of innate lymphoid cells and with reference to peripheral NK cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28479073/-macroscopic-description-of-placental-vascular-anastomoses-after-dye-injection-for-the-comprehension-of-monochorionic-pregnancy-complications
#15
A Atallah, P-A Bolze, A Buenerd, S Marino, J Massardier, P Gaucherand, M Massoud
OBJECTIVES: The aim of the study is to compare placental monochorionic angioarchitecture complicated with twin-oligohydramnios-polyhydramnios sequence (TOPS), twin anemia polycythemia sequence (TAPS), twin reversed arterial perfusion (TRAP) and selective intra uterine growth restriction (sIUGR) to normal uneventful monochorionic placenta. METHODS: Between December 2012 and December 2015, monochorionic placenta has been studied at the multiple pregnancy care center of the Femme-Mère-Enfant Hospital in Lyon...
May 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28479027/leiomyoma-infarction-after-uterine-artery-embolization-influence-of-embolic-agent-and-leiomyoma-size-and-location-on%C3%A2-outcome
#16
Eduardo A Lacayo, Danielle L Richman, Michael R Acord, Darcy J Wolfman, Theresa M Caridi, Sameer Y Desale, James B Spies
PURPOSE: To study the factors that might impact infarction of individual uterine leiomyomas and total tumor burden after uterine artery embolization (UAE). MATERIALS AND METHODS: This retrospective study included 91 patients (mean age, 44 y [range, 34-54 y]) who underwent UAE with tris-acryl gelatin microspheres (TAGMs) or nonspherical polyvinyl alcohol (PVA) particles. Twenty-one patients were treated with PVA (23%) and 70 were treated with TAGMs (77%). A total of 356 uterine leiomyomas were assessed, with a median uterine volume of 533 cm(3) (range, 321-848 cm(3))...
May 4, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28472704/the-treatment-of-cesarean-scar-pregnancy-with-uterine-artery-embolization-and-curettage-as-compared-to-transvaginal-hysterotomy
#17
Huihui Chen, Jieru Zhou, Husheng Wang, Weilin Tan, Min Yao, Xipeng Wang
OBJECTIVES: To investigate the outcome and menstrual status in patients after treatment of cesarean scar pregnancy (CSP) by transvaginal hysterotomy or uterine artery embolization combined with uterine curettage. STUDY DESIGN: A retrospective cohort study. An analysis of CSP patients was performed using records from Shanghai First Maternity & Infant Hospital affiliated with Tongji University for the period between July 16, 2014 and January 22, 2016. Twenty-seven patients were treated with transvaginal hysterotomy and in this group, 49 patients received uterine curettage after UAE...
April 20, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28471117/antepartum-hemorrhage-from-previous-cesarean-sectioned-uterus-as-a-potential-sign-of-uterine-artery-pseudoaneurysm
#18
Ning Zhang, Wei-Hua Lou, Xue-Bin Zhang, Jian-Hua Lin, Wen Di
Postpartum hemorrhage (PPH), a leading cause of maternal mortality, can occur within 24 h of delivery (primary PPH), or during the period from 24 h after delivery to Week 6 of puerperium (secondary PPH). It requires health professionals to be alert to the symptoms to ensure prompt diagnosis and treatment, especially in the case of rupture of a uterine artery pseudoaneurysm (UAP) due to its life-threatening consequence (Baba et al., 2014). Most of the published case reports or case serials describe UAP as a possible cause of delayed PPH after traumatic procedures during delivery or pregnancy termination, including cesarean section (CS), manual removal of the placenta, or dilation and curettage (D&C) (Wald, 2003)...
May 2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28470791/impaired-placentation-in-women-with-chronic-hypertension-that-develop-preeclampsia
#19
Anca M Panaitescu, Ranjit Akolekar, Nicholas Kametas, Argyro Syngelaki, Kypros H Nicolaides
OBJECTIVE: To compare the degree of impaired placentation in pregnancies which develop preeclampsia (PE) in women with and without chronic hypertension (CH). METHODS: The data for this study were derived from prospective screening for adverse pregnancy outcomes in women with singleton pregnancies attending for their first routine hospital visit at 11(+0) -13(+6) weeks' gestation. This visit included recording of maternal characteristics and medical history and measurements of mean arterial pressure (MAP), uterine artery pulsatility index (UTPI), serum placental growth factor (PLGF) and serum pregnancy associated plasma protein-A (PAPP-A)...
May 4, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28466646/ultrasound-guided-transvaginal-thrombin-injection-of-uterine-arteries-pseudoaneurysms
#20
Cristina Ros, Daniel Barnes, Anna Fervienza, Gabriella Oses, Juan Luis Alcázar, Sergio Martínez-Román, Àngels Rovirosa, Francisco Carmona, Fernando Gómez
OBJECTIVE: To evaluate the utility of transvaginal ultrasound-guided thrombin injection (UGTI) to treat uterine artery pseudoaneurysms (UAP) as an alternative to emergency arterial embolization. METHODS: Two women presenting with heavy vaginal bleeding were diagnosed with UAP by pelvic CT scan. After UAP identification by transvaginal ultrasound (TVUS), 2 cc of thrombin (Tissucol(®), Baxter Healthcare Corporation. Munich, Germany) were slowly injected into the UAP using a 30 cm long 22-gauge needle through a needle-guide attached to the vaginal probe...
May 3, 2017: British Journal of Radiology
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