نتایج جستجو برای: implantation failure
تعداد نتایج: 425656 فیلتر نتایج به سال:
Objective: The aim of this trial was to determine whether endometrial scratch-suction caused by insertion tube of (IUCD) with suction improved the probability of pregnancy in the subsequent IVF cycle in patients who had previous failed IVF outcome by removing small polyps and any hazardous materials. Design: Observational prospective cohort experimental study. Setting: Zagazig University Hospit...
BACKGROUND Left ventricular assist devices (LVADs) provide better outcome than biventricular devices, but it is a challenge to predict the impact of LV mechanical unloading on postoperative right ventricular (RV) function preoperatively. We assessed the load dependency in RV performance before and after LVAD implantation aiming to improve preoperative decision making. METHODS AND RESULTS Labo...
Recent evidence shows that through best standard operating procedures, chances of successful pregnancy and live birth delivery rates are less than 50%. Repeated Implantation Failure (RIF) following transfer of one or more numbers of cleavage or blastocyst stage embryos is the main cause of low pregnancy rate in IVF cycles; therefore, finding the causes and modifying treatment protocols to incre...
INTRODUCTION We sought to determine the usefulness of ambulatory 24-hour Holter monitoring in detecting asymptomatic pacemaker (PM) malfunction episodes in patients with dual-chamber pacemakers whose pacing and sensing parameters were proper, as seen in routine post-implantation follow-ups. MATERIAL AND METHODS Ambulatory 24-hour Holter recordings (HM) were performed in 100 patients with DDD ...
Purpose. To evaluate the efficacy of Ahmed Glaucoma Valve (AGV) implantation in patients with refractory glaucoma in a tertiary hospital in Brazil. Methods. Retrospective case series of patients who underwent AGV implantation. Primary outcome was to assess the rate of failure, which was defined as intraocular pressure (IOP) in two consecutive visits greater than 18 or lower than 5 mmHg (criteri...
Background—The optimal duration of dual antiplatelet therapy (DAPT) after implantation of drug-eluting coronary stents remains undetermined. We aimed to test whether 6-month DAPT would be noninferior to 12-month DAPT after implantation of drug-eluting stents. Methods and Results—We randomly assigned 1443 patients undergoing implantation of drug-eluting stents to receive 6-or 12-month DAPT (in a...
BACKGROUND Repeated Implantation Failure (RIF) is one of the most intricate obstacles in assisted reproduction. The cytokine and chemokine composition of uterine cavity seem to play important roles in the implantation process. OBJECTIVE To compare the cytokine profile in the endometrium of normal fertile women and those with repeated implantation failure. METHODS After enzymatic digestion o...
OBJECTIVE To evaluate the effect of hyaluronan-rich transfer medium on pregnancy and implantation rates in fresh and frozen-thawed embryo transfers in Korean women with previous implantation failure. METHODS This retrospective study included 283 blastocyst transfers in patients with previous embryo transfer failure at a private fertility clinic. In the study group (n=88), blastocyst transfers...
BACKGROUND Gene expression profiling of normal receptive endometrium has been characterized, but intrinsic defects in endometrial gene expression associated with implantation failure have not been reported. METHODS Women who had previously participated as recipients in oocyte donation cycles and repeatedly exhibited implantation failure (Group A, study group) or had at least one successful cy...
BACKGROUND An examination of the alterations in Fibroblast Growth Factor-1 (FGF-1) expression in a group of repeated implantation failure after in vitro fertilization (IVF) patients, when compared to fertile patients. PATIENTS AND METHODS Study group consisted of 24 patients with repeated implantation failure and 29 fertile control patients. Endometrial samples received at the luteal phase we...
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