Articles tagged with Embryo Implantation
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Researchers from ITMO University created a vascular graft coating that prevents clot formation, ensuring unobstructed blood flow. The coating, which can be applied to any type of implant, uses a porous shell to release medication and prevent the growth of crystals or other unwanted substances.
Fewer than 1 in 10 eligible patients with low ejection fraction received an ICD within 1 year after a heart attack. ICD implantation was associated with a 36% lower risk of death at two years. Additional research is needed to increase ICD implantation among eligible patients.
A recent study presented at EuroPCR 2015 found that thickening of valve leaflets following TAVI or surgical aortic valve implantation is relatively rare and not linked to short-term clinical events. The study suggests that current TAVI and TAVR programs do not need modification, but further research is needed.
Researchers have detailed two surgical approaches for auditory brainstem implantation, including a translabyrinthine and retrosigmoid approach, to minimize damage to the brainstem and improve speech recognition. The procedures aim to restore hearing in patients with NF2 and other causes of retrocochlear deafness.
Researchers found that patients with higher activity levels after ICD implantation had a 40% lower risk of death at four years compared to those with lower activity. The study analyzed over 98,000 patients and showed that even small increases in activity were associated with a significant reduction in mortality.
A new IVF technique uses open microwell setup to screen embryos before implantation, potentially increasing success rates. The method allows researchers to select the most viable embryos on a case-by-case basis, reducing the number of cycles and costs.
New retrieval methods significantly increase filter removal success, addressing complications and long dwell times. These advancements now make retrievable IVC filters a routine procedure for pulmonary embolism prevention.
Researchers have identified over 300 proteins in the uterus that can increase IVF success rates. By boosting or reducing these protein levels, embryos may implant more successfully. The study provides new insights into fertility treatments and could lead to improved IVF outcomes.
Researchers at the University of Manchester have identified a possible cause of IVF failure in some women, which may be treated with therapies targeting microRNA-145 and its effects on IGF1R. The study's findings suggest that manipulating this biological process could lead to improved rates of embryo attachment during implantation.
Children born after IVF have fewer preterm births, low birth weight issues, and stillbirths. The study found that transferring only one embryo per cycle improves single baby health.
A new study by SEPTAL-CRT found that mid-septal RV lead placement in heart failure patients undergoing CRT results in similar outcomes compared to the conventional apical position. The study showed no differences in clinical outcome or implantation success rates between the two groups.
A new study by the European Society of Cardiology found that the retrievable and repositionable DFM transcatheter aortic valve is effective and safe for patients with severe aortic stenosis. The device's unique features, such as retrieval and repositioning capabilities, may improve outcomes in these patients.
A study from the FRANCE 2 registry found that local anesthesia for transcatheter aortic valve implantation (TAVI) is as safe and effective as general anesthesia. Outcomes for patients were identical regardless of the type of anesthesia used, with improved post-procedural patient recovery seen with local anesthesia.
Researchers at the University of Luxembourg have made a breakthrough in implanting neurons into mouse brains, demonstrating long-term stability and functional integration. The successful technique, which uses reprogrammed skin cells to produce healthy neurons, holds promise for treating neurodegenerative diseases like Parkinson's disease.
A crucial molecular key, Wnt5a, has been identified for healthy embryo implantation and pregnancy. Disruption of this signaling pathway can lead to infertility, miscarriage, or preterm birth.
Researchers evaluated 459 patients who underwent transcatheter valve-in-valve implantation for failed bioprosthetic aortic valves. The study found that survival rates were associated with surgical valve size and mechanism of failure, with patients experiencing better outcomes for regurgitation compared to stenosis.
A large multicentre trial found no significant improvement in IVF success rates for women who underwent outpatient hysteroscopy before further IVF treatment. The study suggests that endometrial scratching, not routine hysteroscopy, may be responsible for the previously reported improvements.
A new study using next-generation DNA sequencing shows that it can accurately screen embryos for genetic disease prior to implantation, improving outcomes in IVF treatments. The technique has been shown to be effective, reliable and cost-efficient, resulting in more ongoing pregnancies.
Indiana University researchers identified a pattern of cognitive risks in children with cochlear implants, particularly in working memory, controlled attention, and planning. About 30-45% of children with cochlear implants showed delays in these areas, compared to 15% or less in normally hearing children.
Leadless pacemakers with seven-to-ten-year battery life have shown significant advancements in reliability and reduced risk of infection and thromboembolic complications. Transcatheter aortic heart valve developments also showcased improved outcomes with no reported cases of severe paravalvular leak.
The IN-TIME trial found that home telemonitoring reduces mortality and worsening clinical outcomes in both ICD and CRT-D patients. Patients with advanced heart failure and low ejection fractions reap similar benefits from this technology, suggesting it may be a valuable treatment option.
Surgeons in France have successfully replaced aortic valves without opening the chest in two patients. This innovative technique, known as TEAVR, shows promise for improving quality of life by reducing chest trauma and enabling faster recovery times.
Researchers from the University of Cambridge have discovered a way to study and film embryo development during implantation, revealing a 'rosette' structure that challenges current understanding. This breakthrough could improve IVF success rates and advance regenerative medicine.
A study by University of Warwick researchers found that high-quality human embryos secrete a chemical signal, trypsin, which supports implantation. Low-quality embryos trigger an alarm response, leading to pregnancy loss or complications.
Researchers used preimplantation genetic diagnosis (PGD) to identify mutation-free embryos and conceive healthy twins after a woman was diagnosed with a fatal genetic disorder. The treatment allowed for selective implantation of two mutation-free embryos, resulting in the birth of healthy twins.
A study published in JAMA found that emergency surgery, advanced cardiac disease, and a revised cardiac risk index score greater than 2 are strongly associated with major adverse cardiac events (MACE) after noncardiac surgery. The study suggests delaying necessary noncardiac surgery may pose a clinical dilemma for patients.
A study comparing TAVI and redo cardiac surgery in high-risk patients found comparable long-term survival rates. The TAVI procedure was shown to be a minimally invasive alternative to traditional surgery, suitable for elderly or high-risk patients with failed bioprostheses.
A new technique from Case Western Reserve University's Capadona Lab enables gauging property changes during implantation and measuring on a micro-scale. This allows for crafting devices that can withstand physiological conditions in the brain for longer-term use, solving a major challenge in bioengineering.
A study found that heart failure patients with left bundle-branch block (LBBB) and longer QRS duration had lower risks of death, cardiovascular events, and readmission after pacemaker implantation. These findings suggest using QRS morphology and duration to identify patients who will benefit most from the procedure.
Research found that the average pregnancy length is 268 days, but variations of up to 37 days were detected. Factors such as a woman's age, birth weight, and previous pregnancies also influenced gestation duration.
Dual antiplatelet therapy with aspirin and a P2Y12 inhibitor significantly improves patient outcomes after coronary stenting. The therapy is associated with reduced risk of in-stent restenosis and stent thrombosis, as well as major adverse cardiac events.
A large Dutch nationwide cohort study found that women giving birth to multiples after IVF treatment have a higher risk of breast cancer. The study suggests a link between high embryo implantation potential and breast cancer risk, with increased levels of VEGF possibly playing a role.
A new study found that phthalate exposure is associated with reduced fertility in women undergoing IVF treatment. Exposure to specific phthalates was linked to lower IVF success rates, including implantation failure and reduced oocyte retrieval rates.
Researchers found that macrophages help regulate corpus luteum development during embryo implantation, which is essential for successful pregnancy. The absence of macrophages can lead to infertility due to disrupted hormone levels, but restoring them or administering hormones can correct this issue.
The EHRA White Book reports on arrhythmia treatments in 55 ESC member countries, with a focus on lead extractions. Lead extraction data reveals significant morbidity and mortality worldwide.
Researchers at the University of Copenhagen's Danish Stem Cell Center have made a groundbreaking discovery in regressing embryonic stem cells to an early stage of development. This breakthrough could provide new insights into conditions such as miscarriages and placenta-related disorders.
Researchers at Duke University Hospital successfully implanted a bioengineered blood vessel into a kidney dialysis patient, marking the first US clinical trial of this technology. The new vein is an off-the-shelf product engineered using human cells and no biological properties that trigger organ rejection.
The Lotus Valve System demonstrated successful valve implantation in all 60 patients, meeting the primary device performance endpoint. The rate of moderate or greater aortic regurgitation decreased significantly, while mortality rates remained low.
The SOURCE XT post-approval study reported good clinical outcomes with high rates of device success for all access approaches, valve sizes, and delivery systems. Patients showed sustained improvement in effective orifice area and low rates of aortic regurgitation, with low one-year mortality and stroke rates.
A study found that interspinous spacers have a lower complication rate than spinal fusion, but patients receiving spacers are more likely to require repeated back surgery. The researchers compared outcomes of three surgical treatment options for spinal stenosis in over 99,000 Medicare patients.
A new study suggests MDCT is more accurate than echocardiography for measuring annular size in TAVI candidates. This improvement can lead to better procedure success and valve selection, potentially changing the decision for 55% of patients.
Researchers found that non-self-donated stem cells survive better when injected into the striatum of the brain, accumulating along a 'pocket' between natural bordering regions. This discovery has important ramifications for designing cell therapies for neurological disorders.
The International Society for Heart and Lung Transplantation (ISHLT) has published new guidelines for the care of patients with mechanical circulatory support devices. The guidelines, developed by a team of experts, provide recommendations for patient selection, risk management, and long-term care.
Researchers at Imperial College London discovered a key role for IL-33, a molecule that influences embryo implantation, in women who experience repeated miscarriages. The study suggests targeting these molecules could lead to new treatments for preventing miscarriage.
The analysis revealed significant gradients in arrhythmia treatment between Western European countries and Eastern European and North African countries. Training and adherence to guidelines are crucial to addressing healthcare inequalities, as highlighted by the European Society of Cardiology.
A recent study by the European Society of Cardiology has found that women with severe aortic stenosis experience lower mortality rates after transcatheter aortic valve implantation (TAVI), with a 40% reduced risk compared to men. Despite higher risks of procedural complications, women outperformed men in terms of mortality.
The European Society of Cardiology sets a new standard for CRT management, covering pre-implant evaluation, device implantation, and follow-up. Key findings include improved symptoms, cardiac function, hospitalization rates, and mortality in CRT patients.
Research reveals that paternal obesity negatively impacts fetal development, resulting in smaller fetuses and poor pregnancy success. Men are advised to get match fit before conceiving to support healthy fetal growth and reduce long-term health risks for the offspring
A neural interface has restored function in motor control brain areas of an amputee, allowing for natural control of a prosthetic hand. The study used multielectrode arrays to re-establish communication between the central and peripheral nervous systems.
Researchers have developed a protein-based coating that can help rehabilitate long-term brain function and prevent the brain's immune response from rejecting brain-computer interface electrodes. The coating, using an interleukin-1 receptor antagonist, has shown promising results in pre-clinical studies with animal models.
Researchers found that smoking reduces the production of a key gene called BAD in Fallopian tubes, creating an environment conducive to ectopic pregnancies. This finding may lead to new ways to prevent and diagnose ectopic pregnancies.
Researchers at University Hospitals Cleveland Medical Center found cochlear implantation provides robust and long-term hearing restoration for patients with advanced otosclerosis. The study used newer surgical techniques to minimize complications, demonstrating an effective treatment option for this challenging group of patients.
German researchers report success with TAVI in patients with low-flow, low-gradient aortic stenosis. Surviving patients showed significant improvement in heart function and exercise capacity, despite high mortality rates within the first six months.
A large-scale study found that underweight patients are twice as likely to experience complications or die during ICD insertion compared to obese and normal-weight patients. Smaller body size is associated with longer hospital stays, more complications, and increased risk of dying from the procedure.
A study published in Advances in Neuroimmune Biology explores how maternal immunological tolerance of the fetus affects pregnancy outcomes. Researchers have discovered that cytokine expression at the fetal-maternal interface plays a significant role in determining oocyte competence and implantation rates.
A meta-analysis of eight clinical trials suggests that initial stent implantation for patients with stable coronary artery disease is not associated with improved outcomes compared to initial medical therapy. The study found no significant reduction in mortality, nonfatal heart attacks, or angina after a mean follow-up of 4.3 years.
A new study published in The Lancet found that transferring one or two embryos during IVF therapy results in higher live birth rates and lower risks of adverse perinatal outcomes. However, transferring three or more embryos is associated with increased risks, especially severe preterm birth.
The study found that new generation drug-eluting stents were associated with a 28% lower risk of mortality, compared to old generation DES, and a 23% lower mortality rate at two years. The new generation DES also had a 38% lower risk of restenosis and a 43% lower risk of stent thrombosis within two years.
A new study suggests that increasing the expression of certain developmental genes in the uterus at precise times may improve IVF success rates. The researchers found that these genes, Msx1 and Msx2, play a crucial role in ensuring uterine receptivity for successful embryo implantation.
A study has discovered four gene variants that contribute to early stent thrombosis in people with coronary artery disease. These variants affect blood thinner clopidogrel sensitivity and platelet receptor function, increasing the risk of deadly complications after stent implantation.