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https://www.readbyqxmd.com/read/28820403/high-levels-of-soluble-vascular-endothelial-growth-factor-receptor-1-sflt1-and-low-levels-of-vascular-endothelial-growth-factor-in-follicular-fluid-on-the-day-of-oocyte-retrieval-correlate-with-ovarian-hyperstimulation-syndrom-regardless-of-the-stimulation
#1
A J Jakimiuk, M A Nowicka, M Zagozda, K Koziol, P Lewandowski, T Issat
The aim of the study was to assess the predictive value of vascular endothelial growth factor (VEGF), its soluble receptor - sVEGF-R1/sFlt1 and endocrine gland-derived vascular endothelial growth factor (EG-VEGF) concentrations in serum and follicular fluid (FF) for ovarian hyperstimulation syndrome (OHSS) in women undergoing controlled ovarian hyperstimulation (COH) protocols. Patients have been divided into 3 groups: control group on natural cycle, patients stimulated with GnRH agonist and patients stimulated with GnRH antagonist...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28796038/clomiphene-citrate-is-associated-with-favorable-cycle-characteristics-but-impaired-outcomes-of-obese-women-with-polycystic-ovarian-syndrome-undergoing-ovarian-stimulation-for-in-vitro-fertilization
#2
Shutian Jiang, Yanping Kuang
The aim of this study was to explore the effect of clomiphene citrate (CC) on the cycle characteristics and outcomes of obese women with polycystic ovarian syndrome (PCOS) undergoing ovarian stimulation for in vitro fertilization (IVF).This is a retrospective cohort study, and it was conducted at the tertiary-care academic medical center.This study included 174 obese PCOS patients undergoing IVF.In the study group (n = 90), CC and human menopausal gonadotropin (HMG) were administered simultaneously beginning on cycle day 3, while in control group (n = 84) HMG was used only...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28795044/n-glycoproteomic-analysis-of-human-follicular-fluid-during-natural-and-stimulated-cycles-in-patients-undergoing-in-vitro-fertilization
#3
Hee-Joung Lim, Ae Eun Seok, Jiyou Han, Jiyeong Lee, Sungeun Lee, Hee-Gyoo Kang, Byung Heun Cha, Yunseok Yang
OBJECTIVE: Hyperstimulation methods are broadly used for in vitro fertilization (IVF) in patients with infertility; however, the side effects associated with these therapies, such as ovarian hyperstimulation syndrome (OHSS), have not been well studied. N-glycoproteomes are subproteomes used for the remote sensing of ovarian stimulation in follicular growth. Glycoproteomic variation in human follicular fluid (hFF) has not been evaluated. In this study, we aimed to identify and quantify the glycoproteomes and N-glycoproteins (N-GPs) in natural and stimulated hFF using label-free nano-liquid chromatography/electrospray ionization-quad time-of-flight mass spectrometry...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28795043/the-use-of-gonadotropin-releasing-hormone-antagonist-post-ovulation-trigger-in-ovarian-hyperstimulation-syndrome
#4
REVIEW
Neil Chappell, William E Gibbons
The purpose of this paper is to assimilate all data pertaining to the use of gonadotropin-releasing hormone (GnRH) antagonists in in vitro fertilization cycles after ovulation trigger to reduce the symptoms of ovarian hyperstimulation syndrome (OHSS). A systematic review of the literature was performed to identify all studies performed on the use of a GnRH antagonist in IVF cycle post-ovulation trigger with patients at high risk for OHSS. Ten studies were identified and reviewed. Descriptions of the studies and their individual results are presented in the following manuscript...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28791974/experience-with-the-bonanno-catheter-in-the-management-of-ohss-from-ivf-et-cycles
#5
J E Okohue, V K Oriji, J I Ikimalo
OBJECTIVE: To document our experience with the use of the Bonanno catheter as a closed abdominal drain for OHSS Methods: A retrospective study of all IVF embryo transfer (ET) treatment cycles carried out between May 2006 and April 2009 at a dedicated IVF centre. Case notes of patients with OHSS were retrieved and the outcome of the continuous closed abdominal drain with Bonanno catheter documented. RESULT: Within the period under review, 234 patients had controlled ovarian stimulation with ultrasound guided egg retrieval...
July 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28776117/gnrh-antagonist-administered-twice-the-day-before-hcg-trigger-combined-with-a-step-down-protocol-may-prevent-ohss-in-ivf-icsi-antagonist-cycles-at-risk-for-ohss-without-affecting-the-reproductive-outcomes-a-prospective-randomized-control-trial
#6
Yannis Prapas, Konstantinos Ravanos, Stamatios Petousis, Yannis Panagiotidis, Achilleas Papatheodorou, Chrysoula Margioula-Siarkou, Assunta Iuliano, Giuseppe Gullo, Nikos Prapas
PURPOSE: The purpose this study is to investigate whether a double antagonist dose (0.25 mg/12 h) administered the day before hCG trigger is effective in preventing ovarian hyperstimulation syndrome (OHSS) in GnRH antagonist IVF/intracytoplasmic sperm injection (ICSI) cycles at risk for OHSS. METHODS: This is a prospective randomized control study, conducted from November 2012 to January 2016. A total of 194 patients undergoing a IVF/ICSI GnRH antagonist cycle that were at risk of OHSS and chose to proceed with embryo transfer and avoid cycle cancellation or embryo cryopreservation were allocated into two groups...
August 3, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/28770117/a-case-with-severe-endometriosis-ovarian-hyperstimulation-syndrome-and-isolated-unilateral-pleural-effusion-after-ivf
#7
Negjyp Sopa, Elisabeth Clare Larsen, Anders Nyboe Andersen
We present a very rare case of right-sided isolated pleural effusion in a patient with severe endometriosis who, in relation to in vitro fertilization (IVF), developed ovarian hyperstimulation syndrome (OHSS). Earlier laparotomy showed grade IV endometriosis including endometriotic implants of the diaphragm. The patient had no known risk factors for OHSS and only a moderate number of oocytes aspirated. She received, however, repeated hCG injections for luteal support. The patient did not achieve pregnancy but was hospitalized due to pain in the right side of the chest and dyspnoea...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28736370/-pregnancy-and-obstetric-outcomes-of-fresh-embryo-transfer-versus-frozen-thawed-embryo-transfer-in-women-below-35-years-of-age
#8
Ling Sun, Zhi-Heng Chen, Min-Na Yin, Yu Deng
OBJECTIVE: To compare the obstetric and perinatal outcomes between fresh embryo transfer (ET) and frozen-thawed ET (the "freeze-all" strategy) and evaluate the benefits of the "freeze-all" embryo strategy for young patients. METHODS: We reviewed a total of 2091 ET cycles performed between January, 2011 and December, 2015 in women aged 20-35 years, including 1295 fresh ET cycles and 796 frozen-thawed ET cycles. The demographic characteristics, ovarian stimulation syndrome, clinical pregnancy rates, live birth rate and the obstetric outcomes (gestational age, preterm delivery rate and mean birth weight) were compared between the two groups...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28710674/what-is-the-best-predictor-of-severe-ovarian-hyperstimulation-syndrome-in-ivf-a-cohort-study
#9
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/28709440/the-effect-of-out-of-hours-surgery-service-in-israel-on-hip-fracture-fixation-outcomes-a-retrospective-analysis
#10
Yaniv Keren, Sybil Sailofsky, Doron Keshet, Michal Barak
BACKGROUND: 'Out of Hours Surgery Service' (OHSS) was implemented in Israel, amongst other reasons, in order to reduce the time interval between hospital admission and surgery and consequently improve outcomes. The OHSS is currently operated in the public hospitals in Israel. In this study we compared the data of patients before and after OHSS implementation to determine its efficacy in improving patient care. METHODS: This is a retrospective observational study of 792 adult patients who underwent hip fracture surgery between 2002 and 2007 in a single hospital...
July 15, 2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28706366/gnrh-antagonist-cetrorelix-administration-before-hcg-for-protection-of-ovarian-hyperstimulation-syndrome
#11
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/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
#12
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
#13
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
#14
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
#15
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/28645286/the-myths-surrounding-mild-stimulation-in-vitro-fertilization-ivf
#16
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
#17
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
#18
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
#19
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
#20
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
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