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Recurrent implantation failure

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https://www.readbyqxmd.com/read/28535198/transcatheter-aortic-valve-implantation-for-recurrent-valsalva-sinus-re-dissection-and-severe-aortic-regurgitation-shortly-after-surgery-for-type-a-aortic-dissection
#1
Elena Caporali, Giovanni Pedrazzini, Stefanos Demertzis, Enrico Ferrari
Delayed aortic regurgitation following Valsalva sinus re-dissection is a well-known complication that can occur at any time after surgery for type-A aortic dissection without root replacement. We describe a case of acute type-A dissection in an 81-year-old lady successfully treated with aortic valve resuspension and ascending aorta replacement with a 28-mm vascular graft. A month later, the patient was readmitted for worsening heart failure and a transthoracic echocardiogram showed severe aortic regurgitation secondary to non-coronary Valsalva sinus re-dissection and non-coronary aortic valve leaflet prolapse also confirmed at computed tomography scan...
May 23, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28523429/kir-lilrb-and-their-ligands-genes-as-potential-biomarkers-in-recurrent-implantation-failure
#2
REVIEW
Izabela Nowak, Karolina Wilczyńska, Jacek R Wilczyński, Andrzej Malinowski, Paweł Radwan, Michał Radwan, Piotr Kuśnierczyk
Reproductive failure in humans is a very important social and economic problem, because nowadays women decide to conceive later in life and delay motherhood. Unfortunately, with increasing age they have less chance for natural fertilization and maintenance of pregnancy. Many of them need assisted reproductive technology. Approximately 10% of women after in vitro fertilization-embryo transfers experience recurrent implantation failure (RIF). Multiple factors may contribute to RIF, including oocyte and sperm quality, parental chromosomal anomalies, genetic or metabolic abnormalities of the embryo, poor uterine receptivity, immunological disturbances in the implantation site, and some gynecologic pathologies such as endometriosis, uterine fibroids, hydrosalpinx and endometrial polyps...
May 18, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28508475/functional-properties-of-peripheral-cd8-%C3%A2-t-cells-in-patients-with-repeated-implantation-failure
#3
Biao Yin, Yong Zeng, Tonghua Wu, Shuyi Yu, Jian Xu, Su Liu, Lianghui Diao, Zhenfu Zhao, Desheng Liang, Yuye Li
CD8(+) T cells are the main candidates to recognize and respond to fetal HLA-C at the fetal-maternal interface, but data on the amount of peripheral CD8(+) T cells and their functions during the window of implantation in recurrent implantation failure (RIF) patients are limited. Peripheral blood was obtained from 56 women with RIF and 16 fertile women in the mid-luteal phase of the menstrual cycle, and the CD8(+) T cells were determined by FACS analysis. No statistical differences in the proportion of peripheral CD8(+) T cells were observed among the women with RIF and the control group...
May 15, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28501365/why-natural-killer-cells-are-not-enough-a-further-understanding-of-killer-immunoglobulin-like-receptor-and-human-leukocyte-antigen
#4
REVIEW
Diana Alecsandru, Juan A García-Velasco
The immune system's role in recurrent reproductive failure is a controversial issue in assisted reproduction. Most studies into immune system implication in reproduction have focused on finding markers of peripheral blood and less on the uterine environment. Peripheral blood natural killer cells have become an "immune study core" for women with recurrent miscarriage or recurrent implantation failure, based on the mistaken notion that they cause reproductive failure by killing or "rejecting" the embryo. Maternal-fetal tolerance begins at the uterine level, so successful adaptation to the fetus occurs after a complicated process...
May 10, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28501364/immune-modulation-treatments-where-is%C3%A2-the-evidence
#5
REVIEW
Malene Meisner Hviid, Nick Macklon
While advances in assisted reproductive techniques have been substantial, failure of the apparently viable embryo to implant remains a source of distress and frustration to patients and specialists alike. The unique maternal immunological response to the embryo and the notion that defects in early placentation underlie the great complications of pregnancy have focused attention on the therapeutic potential of peri-implantation immunomodulation. On the face of it, the rationale for this approach is very attractive...
May 10, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28494001/partial-spleen-embolization-reduces-the-risk-of-portal-hypertension-induced-upper-gastrointestinal-bleeding-in-patients-not-eligible-for-tips-implantation
#6
Matthias Buechter, Alisan Kahraman, Paul Manka, Guido Gerken, Alexander Dechêne, Ali Canbay, Axel Wetter, Lale Umutlu, Jens M Theysohn
INTRODUCTION: Upper gastrointestinal bleeding (UGIB) is a severe and life-threatening complication among patients with portal hypertension (PH). Covered transjugular intrahepatic portosystemic shunt (TIPS) is the treatment of choice for patients with refractory or recurrent UGIB despite pharmacological and endoscopic therapy. In some patients, TIPS implantation is not possible due to co-morbidity or vascular disorders. Spleen embolization (SE) may be a promising alternative in this setting...
2017: PloS One
https://www.readbyqxmd.com/read/28479057/a-single-center-experience-with-a-titanium-modular-neck-total-hip-arthroplasty
#7
Wade T Gofton, Emmanuel M Illical, Robert J Feibel, Paul R Kim, Paul E Beaulé
BACKGROUND: Added modular junction has been associated with implant-related failures. We report our experience with a titanium-titanium modular neck-stem interface to assess complications, possible clinical factors influencing use of neck modularity, and whether modularity reduced the incidence of dislocation. METHODS: A total of 809 total hip arthroplasties completed between 2005 and 2012 from a prospectively collected database were reviewed. The mean follow-up interval was 5...
March 20, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28476486/the-effect-of-endometrial-scratch-on-natural-cycle-cryopreserved-embryo-transfer-outcomes-a-randomized-controlled-study
#8
Jennifer Sze Man Mak, Cathy Hoi Sze Chung, Jacqueline Pui Wah Chung, Grace Wing Shan Kong, Sotirios H Saravelos, Lai Ping Cheung, Tin-Chiu Li
The benefit of endometrial scratch (ES) prior to embryo transfer is controversial. Systemic analysis has confirmed its potential benefit, especially in women with repeated IVF failures, yet most studies have focused on fresh embryo transfer, and its effect on vitrified-warmed embryo transfer (FET) cycles is yet to be explored. We hereby present our prospective, double-blind, randomized controlled study on the evaluation of the implantation and pregnancy rate after ES prior to natural-cycle FET. A total of 299 patients underwent natural-cycle FET and were randomized to receive ES (n = 115) or endocervical manipulation as control (n = 114) prior to FET cycle, and a total of 196 patients had embryo transfer (93 patients in each group)...
April 19, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28472412/one-year-mortality-and-costs-associated-with-surgical-ablation-for-atrial-fibrillation-concomitant-to-coronary-artery-bypass-grafting%C3%A2
#9
J Scott Rankin, Daniel J Lerner, Mary Jo Braid-Forbes, Michael A Ferguson, Vinay Badhwar
OBJECTIVES: While surgical ablation (SA) for persistent atrial fibrillation (AF) can reduce recurrence of AF, its impact on longitudinal survival and health-care costs remains controversial. This study defines the clinical outcomes and costs associated with SA in patients with prior AF undergoing coronary artery bypass grafting (CABG). METHODS: A total of 3745 Medicare beneficiaries with prior AF who underwent CABG in 2013 were divided into 2 groups: those with and those without concomitant SA...
May 2, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28466568/physiological-and-pathological-angiogenesis-in-endometrium-at-the-time-of-embryo-implantation
#10
Xiaoyan Chen, Gene Chi Wai Man, Yingyu Liu, Fangrong Wu, Jin Huang, Tin Chiu Li, Chi Chiu Wang
Embryo establishes contact with the endometrium during implantation. Proper endometrial vascular development and maintenance at the time of embryo implantation is crucial for successful pregnancy. Vascular development at the maternal-embryo interface can be regulated by various cell types, of which uterine natural killer (uNK) cells play an important role. Abnormal angiogenesis and uNK cell number/function may lead to reproductive failure, particularly in women with recurrent miscarriage (RM) and women with recurrent implantation failure (RIF) after IVF-ET treatment, which are the important clinical hurdles in reproductive medicine to overcome...
May 3, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28459606/hypofractionated-postmastectomy-radiation-therapy-is-safe-and-effective-first-results-from-a-prospective-phase-ii-trial
#11
Atif J Khan, Matthew M Poppe, Sharad Goyal, Kristine E Kokeny, Thomas Kearney, Laurie Kirstein, Deborah Toppmeyer, Dirk F Moore, Chunxia Chen, David K Gaffney, Bruce G Haffty
Purpose Conventionally fractionated postmastectomy radiation therapy (PMRT) takes approximately 5 to 6 weeks. Data supporting hypofractionated PMRT is limited. We prospectively evaluated a short course of hypofractionated PMRT, in which therapy was completed in 15 treatment days. Patients and Methods We delivered PMRT at a dose of 36.63 Gy in 11 fractions of 3.33 Gy over 11 days to the chest wall and the draining regional lymph nodes, followed by an optional mastectomy scar boost of four fractions of 3.33 Gy...
May 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28458165/use-of-granulocyte-colony-stimulating-factor-in-assisted-reproductive-technology-a-systematic-review-and-meta-analysis
#12
REVIEW
Mohan S Kamath, Priya Bhave Chittawar, Richard Kirubakaran, Mariano Mascarenhas
Granulocyte-colony stimulating factor (G-CSF), a glycoprotein, has been used in women undergoing Assisted Reproductive Technology (ART). We decided to undertake a systematic review to evaluate the effectiveness of G-CSF in women with thin endometrium and recurrent implantation failure (RIF) undergoing ART. The outcomes included an increase in endometrial thickness, live birth, clinical pregnancy rates and adverse effects. We included two trials evaluating women with thin endometrium and another two trials evaluating women with RIF...
April 13, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28457382/case-report-aortic-valve-replacement-after-jarvik-2000-left-ventricular-assist-device-implantation-in-long-time-survivor-with-severe-aortic-valve-regurgitation
#13
A Dokollari, M Cameli, C G Sassi, G Davoli, S Scolletta, C Ricci, P Lucatelli, S Mondillo, M Maccherini
BACKGROUND: There are limited clinical records in the literature regarding aortic valve replacement in left ventricular assist device (L-VAD) patients. Previously we had two cases of severe aortic valve regurgitation in patients with L-VAD support treated with Corvalve prosthesis insertion and Amplatzer closure procedure. Both patients died a few days after the procedure from complications not related to the procedure itself. PATIENT HISTORY: The patient was a male with previous coronary artery bypass graft surgery in 2001 that was complicated with postischemic dilated cardiomyopathy with severe heart failure (ejection fraction [EF], 20%)...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28447502/the-effect-of-endometrial-injury-on-implantation-and-clinical-pregnancy-rates
#14
Dan Levin, Joseph Hasson, Aviad Cohen, Yuval Or, Baris Ata, Lilia Barzilay, Benny Almog
AIM: To assess the effect of endometrial scratching (ES) on in vitro fertilization-embryo transfer outcome (IVF-ET) Materials and methods: Retrospective matched case control study including all fresh IVF cycles performed between January 2006 and December 2012 at an academic IVF center. ES with an endometrial biopsy catheter was performed in the cycle preceding the index IVF cycle. Patients (n = 238) were pair matched with controls according to age, number of previous failed IVF cycles and number of embryos transferred...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28444174/catheter-ablation-for-ventricular-tachycardia-in-patients-with-cardiac-sarcoidosis-a-systematic-review
#15
Nikolaos Papageorgiou, Rui Providência, Konstantinos Bronis, Dirk G Dechering, Neil Srinivasan, Lars Eckardt, Pier D Lambiase
Aims: Cardiac sarcoidosis (CS) is associated with a poor prognosis. Important features of CS include heart failure, conduction abnormalities, and ventricular arrhythmias. Ventricular tachycardia (VT) is often refractory to antiarrhythmic drugs (AAD) and immunosuppression. Catheter ablation has emerged as a treatment option for recurrent VT. However, data on the efficacy and outcomes of VT ablation in this context are sparse. Methods and results: A systematic search was performed on PubMed, EMBASE, and Cochrane database (from inception to September 2016) with included studies providing a minimum of information on CS patients undergoing VT ablation: age, gender, VT cycle length, CS diagnosis criteria, and baseline medications...
April 21, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28441042/aberrantly-expressed-long-noncoding-rnas-in-recurrent-implantation-failure-a-microarray-related-study
#16
Li-Juan Fan, Hong-Jing Han, Jing Guan, Xiao-Wei Zhang, Qing-Hua Cui, Huan Shen, Cheng Shi
Long noncoding RNAs (lncRNAs) are a class of noncoding RNAs longer than 200 nucleotides. They were long regarded as transcription noise for their low expression and non-protein coding features. Recent published reports indicate that lncRNAs are involved in virtually every aspect of human biology. We aimed to profile the endometrial lncRNA expression pattern in women with recurrent implantation failure (RIF) and predict the function of the genes of the dysregulated lncRNA transcripts. Endometrial samples (24) were collected during window of implantation (14 RIF women and 10 women who conceived after embryo transfer)...
April 25, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28434697/poor-outcomes-of-irrigation-and-debridement-in-acute-periprosthetic-joint-infection-with-antibiotic-impregnated-calcium-sulfate-beads
#17
Michael A Flierl, Brian M Culp, Kamil T Okroj, Bryan D Springer, Brett R Levine, Craig J Della Valle
BACKGROUND: One proposed strategy to increase the success of irrigation and debridement with implant retention for the treatment of acute periprosthetic joint infection (PJI) is the use of dissolvable antibiotic-impregnated calcium sulfate beads to provide a local depot of antibiotics. The purpose of this study was to evaluate the outcome of such an approach. METHODS: Thirty-two patients with acute hematogenous (18 patients; 1 bilateral) or acute postoperative (14 patients) PJIs who underwent irrigation and debridement with implant retention and addition of antibiotic-impregnated calcium sulfate beads were retrospectively reviewed...
March 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28428937/intravenous-immunoglobulin-g-in-women-with-reproductive-failure-the-korean-society-for-reproductive-immunology-practice-guidelines
#18
REVIEW
Nayoung Sung, Ae Ra Han, Chan Woo Park, Dong Wook Park, Joon Cheol Park, Na Young Kim, Kyung Sil Lim, Ji Eun Shin, Chang Woo Joo, Seung Eun Lee, Jae Won Kim, Sung Ki Lee
The task force of the Korean Society for Reproductive Immunology recommends intravenous immunoglobulin G treatment in women with reproductive failure, including recurrent pregnancy loss and/or repeated implantation failure, who show cellular immune factors such as abnormal natural killer cell levels, natural killer cell cytotoxicity, and/or type 1 T helper immunity.
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28386925/vagus-nerve-stimulation-surgical-technique-of-implantation-and-revision-and-related-morbidity
#19
Flavio Giordano, Anna Zicca, Carmen Barba, Renzo Guerrini, Lorenzo Genitori
Indications for vagus nerve stimulation (VNS) therapy include focal, multifocal epilepsy, drop attacks (tonic/atonic seizures), Lennox-Gastaut syndrome, tuberous sclerosis complex (TSC)-related multifocal epilepsy, and unsuccessful resective surgery. Surgical outcome is about 50-60% for seizures control, and may also improve mood, cognition, and memory. On this basis, VNS has also been proposed for the treatment of major depression and Alzheimer's' disease. The vagus nerve stimulator must be implanted with blunt technique on the left side to avoid cardiac side effects through the classic approach for anterior cervical discectomy...
April 2017: Epilepsia
https://www.readbyqxmd.com/read/28386815/endometrial-injury-the-quality-of-embryos-and-blastocyst-transfer-are-the-most-important-prognostic-factors-for-in-vitro-fertilization-success-after-previous-repeated-unsuccessful-attempts
#20
Milan Reljič, Jure Knez, Vilma Kovač, Borut Kovačič
PURPOSE: The purpose of this study was to find out the most important prognostic factors for achieving a pregnancy after in vitro fertilization (IVF) in women with history of repeated unsuccessful IVF attempts. METHODS: We analyzed factors affecting pregnancy rate in a retrospective study including 429 IVF/ICSI cycles performed in women younger than 40 years with at least three previous consecutive failed IVF/ICSI attempts. RESULTS: Clinical pregnancy was observed in 140/429 (32...
April 6, 2017: Journal of Assisted Reproduction and Genetics
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