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Ovarian hyperstimulation syndrome

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https://www.readbyqxmd.com/read/28721217/an-fsh-and-tsh-pituitary-adenoma-presenting-with-precocious-puberty-and-central-hyperthyroidism
#1
Guadalupe Vargas, Lourdes-Josefina Balcazar-Hernandez, Virgilio Melgar, Roser-Montserrat Magriña-Mercado, Baldomero Gonzalez, Javier Baquera, Moisés Mercado
A 19-year-old woman with a history of isosexual precocious puberty and bilateral oophorectomy at age 10 years because of giant ovarian cysts, presents with headaches and mild symptoms and signs of hyperthyroidism. Hormonal evaluation revealed elevated FSH and LH levels in the postmenopausal range and free hyperthyroxinemia with an inappropriately normal TSH. Pituitary MRI showed a 2-cm macroadenoma with suprasellar extension. She underwent successful surgical resection of the pituitary tumor, which proved to be composed of two distinct populations of cells, each of them strongly immunoreactive for FSH and TSH, respectively...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28718081/blastocyst-utilization-rates-after-continuous-culture-in-two-commercial-single-step-media-a-prospective-randomized-study-with-sibling-oocytes
#2
Ioannis A Sfontouris, Efstratios M Kolibianakis, George T Lainas, Christos A Venetis, George K Petsas, Basil C Tarlatzis, Tryfon G Lainas
PURPOSE: The aim of this study is to determine whether blastocyst utilization rates are different after continuous culture in two different commercial single-step media. METHODS: This is a paired randomized controlled trial with sibling oocytes conducted in infertility patients, aged ≤40 years with ≥10 oocytes retrieved assigned to blastocyst culture and transfer. Retrieved oocytes were randomly allocated to continuous culture in either Sage one-step medium (Origio) or Continuous Single Culture (CSC) medium (Irvine Scientific) without medium renewal up to day 5 post oocyte retrieval...
July 17, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28710674/what-is-the-best-predictor-of-severe-ovarian-hyperstimulation-syndrome-in-ivf-a-cohort-study
#3
Theoni B Tarlatzi, Christos A Venetis, Fabienne Devreker, Yvon Englert, Anne Delbaere
PURPOSE: The purpose of the present study is to study what is the best predictor of severe ovarian hyperstimulation syndrome (OHSS) in IVF. METHODS: This is a retrospective analysis of all consecutive IVF/intracytoplasmic injection cycles performed during a 5-year period (2009-2014) in a single university fertility centre. All fresh IVF cycles where ovarian stimulation was performed with gonadotrophins and GnRH agonists or antagonists and triggering of final oocyte maturation was induced with the administration of urinary or recombinant hCG were analyzed (2982 patients undergoing 5493 cycles)...
July 14, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28706366/gnrh-antagonist-cetrorelix-administration-before-hcg-for-protection-of-ovarian-hyperstimulation-syndrome
#4
Sherif A Hebisha, Banan A Aboelazm, H N Sallam
OBJECTIVE: Studying the effect of GnRH antagonist administration on the day of hCG to cases of IVF/ICSI with estradiol level above 5000 ng/dl for protection of ovarian hyperstimulation syndrome. DESIGN: Prospective study. MATERIALS AND METHODS: Sixty patients undergoing controlled hyperstimulation COH, for IVF/ICSI using long agonist and E2 level on the day of hCG, are above 5000 ng/dl, 52 patients received single dose of cetrorelix 0.25 mg on the day of hCG, and 8 patients received two doses of 0...
August 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28697100/venous-thromboembolism-prophylaxis-during-antepartum-admissions-and-postpartum-readmissions
#5
Anne H Mardy, Zainab Siddiq, Cande V Ananth, Jason D Wright, Mary E DʼAlton, Alexander M Friedman
OBJECTIVE: To characterize the use of venous thromboembolism prophylaxis during antepartum and postpartum hospitalizations in the United States. METHODS: A retrospective cohort study using the Perspective database was performed to analyze temporal trends of mechanical and pharmacologic venous thromboembolism prophylaxis for patients hospitalized for antepartum and postpartum indications between 2006 and 2015. Delivery hospitalizations were excluded. The association between use of prophylaxis and medical and obstetric risk factors as well as patient demographic and hospital characteristics was evaluated with unadjusted and adjusted models accounting for demographic, hospital and medical, and obstetric risk factors...
July 7, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28683759/intravenous-neutralization-of-vascular-endothelial-growth-factor-reduces-vascular-function-permeability-of-the-ovary-and-prevents-development-of-ohss-like-symptoms-in-rhesus-monkeys
#6
C V Bishop, D M Lee, O D Slayden, X Li
BACKGROUND: Ovarian hyperstimulation syndrome (OHSS) is a disorder associated with elevated serum VEGFA following chorionic gonadotropin (hCG) exposure in controlled ovarian stimulation (COS) cycles in women. In this study, we tested the effect of intravenous VEGFA neutralization on OHSS-like symptoms and vascular function in rhesus macaques during COS cycles. METHODS: Monkeys (n = 8) were treated with 3 COS protocols and assigned randomly to groups as follows: 1) COS alone (Control, n = 5); 2) COS + VEGF mAb Avastin 19 ± 5 h before hCG (Avastin pre-hCG; n = 6); 3) COS + Avastin 3-4 days post-hCG (Avastin post-hCG; n = 4); 4) COS + Simulated Early Pregnancy (SEP n = 3); or 5) COS + SEP + Avastin (SEP + Avastin n = 3)...
July 6, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28683583/successful-controlled-ovarian-stimulation-and-vitrification-of-oocytes-in-an-adolescent-diagnosed-with-myelodysplastic-pre-malignant-clone-with-monosomy-7
#7
Valerie Laura Peddie, Abha Maheshwari
An improvement in long-term outcomes for malignancies and non-malignant conditions, together with a review of the NICE Guideline, has led to a need to provide clinical services to deal with the sequelae of disease, its treatment, and subsequent survival of young people diagnosed with cancer. In this article, we describe fertility preservation in an adolescent female diagnosed with Myelodysplastic/pre-malignant Clone with Monosomy 7 with pathophysiology like that of chronic myeloid leukaemia (CML) with known genetic markers in the tumour cells...
July 7, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28676954/ovarian-hyperstimulation-syndrome-due-to-follicle-stimulating-hormone-secreting-pituitary-adenomas
#8
Amelia Caretto, Roberto Lanzi, Cecilia Piani, Michela Molgora, Pietro Mortini, Marco Losa
PURPOSE: Gonadotroph adenomas are pituitary adenomas with inefficient and variable secretory characteristics, that is why they are usually considered as a subgroup of nonfunctioning pituitary adenomas (NFPA) and are recognized only at immunohistochemistry. When gonadotroph adenomas secrete active hormones, they may cause spontaneous ovarian hyperstimulation syndrome (OHSS) in premenopausal women. Aim of our study is to describe three women with OHSS diagnosed before the removal of the adenoma and to calculate the prevalence of OHSS in premenopausal women with a clinical diagnosis of NFPA...
July 4, 2017: Pituitary
https://www.readbyqxmd.com/read/28676533/kisspeptin-10-inhibits-ohss-by-suppressing-vegf-secretion
#9
Junyu Zhai, Jiansheng Liu, Shigang Zhao, Han Zhao, Zijiang Chen, Yanzhi Du, Wei-Ping Li
The aim of the present study was to elucidate the effects of kisspeptin-10 (Kp-10) on ovarian hyperstimulation syndrome (OHSS) and its related mechanism in OHSS rat models, human umbilical vein endothelial cells (HUVECs) and human luteinized granulosa cells. OHSS is a systemic disorder with high vascular permeability (VP) and ovarian enlargement. KISS1R (KISS1 receptor) is the specific receptor of kisspeptin. The kisspeptin/KISS1R system inhibits the expression of vascular endothelial growth factor (VEGF), which is the main regulator of VP...
July 4, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28669481/impact-of-the-opioid-system-on%C3%A2-the%C3%A2-reproductive-axis
#10
REVIEW
Bettina Böttcher, Beata Seeber, Gerhard Leyendecker, Ludwig Wildt
Endogenous opioids, first described more than 40 years ago, have long been recognized for their main role as important neuromodulators within the central nervous system. More recently endogenous opioids and their receptor have been identified in a variety of reproductive and nonreproductive tissues outside the central nervous system. Their role within these tissues and organs, however, is only incompletely understood. In the central nervous system, endogenous opioids inhibit pulsatile GnRH release, in part mediating the stress response within the central nervous-pituitary gonadal axis, resulting in hypothalamic amenorrhea...
June 29, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28645286/the-myths-surrounding-mild-stimulation-in-vitro-fertilization-ivf
#11
REVIEW
Raoul Orvieto, Valeria Stella Vanni, Norbert Gleicher
So-called mild controlled ovarian hyperstimulation (mCOH) has in recent years increased in popularity, claiming to be safer and more patient-friendly, while also improving in vitro fertilization (IVF) outcomes. We here challenge the International Society for Mild Approaches in Assisted Reproduction (ISMAAR) definition of mild stimulation, and especially address four fundamental issues, where our review found conventional COH (cCOH) advantageous over mCOH. They are: prevalence of severe ovarian hyperstimulation syndrome (OHSS), oocyte/embryo quality, pregnancy/live birth rates, and cost...
June 24, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28638367/gnrh-agonist-trigger-and-lh-activity-luteal-phase-support-versus-hcg-trigger-and-conventional-luteal-phase-support-in-fresh-embryo-transfer-ivf-icsi-cycles-a-systematic-prisma-review-and-meta-analysis
#12
REVIEW
Thor Haahr, Matheus Roque, Sandro C Esteves, Peter Humaidan
INTRODUCTION: The use of GnRH agonist (GnRHa) for final oocyte maturation trigger in oocyte donation and elective frozen embryo transfer cycles is well established due to lower ovarian hyperstimulation syndrome (OHSS) rates as compared to hCG trigger. A recent Cochrane meta-analysis concluded that GnRHa trigger was associated with reduced live birth rates (LBRs) in fresh autologous IVF cycles compared to hCG trigger. However, the evidence is not unequivocal, and recent trials have found encouraging reproductive outcomes among couples undergoing GnRHa trigger and individualized luteal LH activity support...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28635413/the-high-responder-a-review-of-pathophysiology-and-outcomes-during-ivf-treatment
#13
Mariano Mascarenhas, Adam H Balen
This review attempts to summarize the known literature on high responders to ovarian stimulation during assisted reproductive techniques (ART). Response to gonadotrophins is subject to significant interindividual and intercycle variation, thus carrying a risk of high response or poor response to ovarian stimulation regimens. The main risk for high responders is the development of ovarian hyperstimulation syndrome (OHSS) which is associated with significant morbidity. Hence, the definition of high responders in the literature has primarily focussed on risk factors for OHSS...
September 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28607476/zinc-finger-gene-217-znf217-promoted-ovarian-hyperstimulation-syndrome-ohss-through-regulating-e2-synthesis-and-inhibiting-thrombospondin-1-tsp-1
#14
Junyu Zhai, Jiansheng Liu, Xiaoyue Cheng, Shang Li, Yan Hong, Kang Sun, Zi-Jiang Chen, Yanzhi Du, Weiping Li
Zinc finger gene 217 (ZNF217) is a candidate gene of polycystic ovary syndrome (PCOS) which is vulnerable to ovarian hyperstimulation syndrome (OHSS). However, the relationship between ZNF217 and OHSS is largely unknown. Our study demonstrated that ZNF217 was mainly distributed in the granulosa cells of rat ovary. Significantly higher expression of ovarian ZNF217 was detected in OHSS rats, being consistent with serum 17β-estradiol concentration and ovarian aromatase. Moreover, OHSS rats also showed decreased ovarian TSP-1 mRNA, an acknowledged VEGF signaling suppressor...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28601880/accelerated-coasting-does-not-affect-oocyte-maturation
#15
Ahmed F Galal, Hadeer Aly Abbassy, Ashraf Hany AbdElrahman, Mohamed Sayed Abdelhafez, Ahmed Badawy
AIMS: The study aimed to assess the efficacy of accelerating the process of coasting through adding gonadotropin releasing hormone (GnRH) antagonist (GnRH-ant) on the day of triggering of oocyte maturation without withholding the GnRH agonist (GnRHa) in women at risk for developing ovarian hyperstimulation syndrome (OHSS). METHODS: Retrospective case-control study of the outcomes of GnRHa cycles in which women were at risk to develop OHSS. Women who underwent acceleration of coasting (n = 50) were compared with a control group of women who underwent usual coasting (n = 57)...
June 10, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28600619/ovarian-hyperstimulation-syndrome-following-gnrh-agonist-trigger-think-ectopic
#16
Raoul Orvieto, Valeria Stella Vanni
PURPOSE: This study aims to report a case of ovarian hyperstimulation syndrome (OHSS) following GnRH agonist trigger for final follicular maturation. METHODS: This study is a retrospective chart review. RESULTS: We report the first case of OHSS following GnRH agonist trigger for final follicular maturation and freeze-all, masking extrauterine pregnancy (EUP). The present case report elucidates the feasibility of stimulating and recruiting ovarian follicles yielding mature oocytes during early pregnancy and the ability of GnRH agonist to trigger final follicular maturation during pregnancy, in the presence of high progesterone and hCG levels...
June 9, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28598116/-optimal-ovulation-induction-in-polycystic-ovary-syndrome-resistant-to-clomiphene-citrate-or-letrozole
#17
Ying Chen, Dan Zhang
OBJECTIVES: To investigate the optimal ovulation induction with the combination of combining letrozole(LE),clomiphene citrate (CC),and human menopausal gonadotropin (HMG) in polycystic ovary syndrome(PCOS) patients resistant to CC or LE. METHODS: Two hundreds nine PCOS patients (209 cycles) resistant to CC or LE were randomly divided into three groups: CC+HMG group (59 cycles),LE+HMG group (72 cycles) and LE+CC group (78 cycles).The patients in LE+CC group unable to form the dominant follicle after 54 cycles were enrolled into LE+CC+HMG group...
November 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28587385/gnrh-antagonist-for-patients-with-polycystic-ovary-syndrome-undergoing-controlled-ovarian-hyperstimulation-for-in-vitro-fertilization-and-embryo-transfer-in-fresh-cycles
#18
Xiang-Hong Zhai, Ping Zhang, Feng-Xia Wu, An-Cong Wang, Pei-Shu Liu
The aim of the present study was to evaluate the influence of a gonadotropin-releasing hormone (GnRH) antagonist compared with a GnRH agonist on the in vitro fertilization cycle outcome in patients with polycystic ovary syndrome. The outcomes of pregnancy were evaluated. The area under the curve (AUC) of the receiver operating characteristic (ROC) curve was also used to evaluate whether the endometrial thickness (cm) and estradiol (E2) level (pg/ml) on the day of human chorionic gonadotropin (hCG) administration (the hCG day) had the best sensitivity and specificity for predicting a clinical pregnancy...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28578436/gonadotropin-releasing-hormone-agonist-triggering-with-concomitant-administration-of-low-doses-of-human-chorionic-gonadotropin-or-a-freeze-all-strategy-in-high-responders
#19
Meric Karacan, Erkan Erdem, Akin Usta, Ayse Arvas, Ziya Cebi, Teksen Camlibel
To compare the live birth rates and moderate/severe ovarian hyperstimulation syndrome (OHSS) rates of 2 different approaches using gonadotropin-releasing hormone (GnRH) agonist triggering in high responder women. Methods: A retrospective cohort study was performed to evaluate intracytoplasmic sperm injection (ICSI) and embryo transfer (ET) outcomes in high responder women who underwent ovulation induction with a GnRH antagonist protocol between April 2011 and March 2015. In group 1 (n=74), GnRH agonist was used for ovulation triggering with the concomitant use of 1500 IU of urinary human chorionic gonadotropin (hCG) immediately after oocyte retrieval followed by fresh ET and standard luteal support...
June 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28576390/genetic-basis-of-eugonadal-and-hypogonadal-female-reproductive-disorders
#20
REVIEW
Tatiana Trofimova, Daria Lizneva, Larisa Suturina, Walidah Walker, Yen-Hao Chen, Ricardo Azziz, Lawrence C Layman
This review discusses the current state of our understanding regarding the genetic basis of the most important reproductive disorders in women. For clarity, these disorders have been divided into eugonadal and hypogonadal types. Hypogonadal disorders have been further subdivided according to serum gonadotropin levels. Our review focuses on historical and recent data regarding the genetics of the hypothalamic-pituitary-gonadal axis dysfunction, as well as the development and etiology of eugonadal disorders including leiomyomata, endometriosis, spontaneous ovarian hyperstimulation syndrome, polycystic ovarian syndrome, mullerian aplasia, and steroid hormone resistance syndromes...
May 9, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
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