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28 Temmuz 2016 Perşembe

Scientists Make the World’s First Discovery on the Cause of Many Types of Birth Defects

For the first time in world history, scientists believe they have discovered a cause of many types of birth defects.  This recent groundbreaking discovery holds the key to understanding why many babies are born with defects of the heart, vertebrae, and kidney, among other congenital abnormalities.


New Research on the Cause of Birth Defects


A team of scientists at the Victor Chang Institute conducted research under the leadership of world-renowned professor Sally Dunwoodie.  The group of experts analyzed the effects of short-term oxygen deficiency on heart development in an embryo.


For the first time, the scientists were able to show that reduced oxygen levels damaged the heart while it develops.  Most significantly, the scientists worked out exactly how low oxygen was damaging the developing heart.


Professor Dunwoodie explains.


“We obviously know that smoking is terrible for an unborn baby’s health. But oxygen deficiency in an embryo can be caused by many things, for example prescription medications, high blood pressure, high altitude, a tangled umbilical cord, as well as carbon monoxide.”



World’s First Discovery


Childhood heart disease is the most common form of birth defect in the world.  It affects 1 in 100 babies.  However, even though birth defects are so common throughout the world, researchers and scientists have struggled in trying to understand the genetic and environmental causes of this serious malady.


Nevertheless, this group of scientists initiated a new study and attempted to find the cause of congenital heart disease (CHD).  This landmark discovery came when the team of scientists used a mouse model.  For eight hours, they lowered oxygen levels inside a chamber from the normal level of 21 percent to as low as 5.5 percent.


Professor Dunwoodie clarifies the groundbreaking discovery process.


“We discovered that reduced oxygen triggered a stress response in the embryonic cells. The cells try to relieve the stress by stopping protein production. Suddenly those proteins aren’t available to make the heart at a critical time and the heart couldn’t develop properly.”



It’s important to note, oxygen deficiency is not the only trigger of this cellular stress. There are a number of other factors, which can set it off — including pollution, poor nutrition, high blood glucose, increased temperature, or viral infections.


Professor Dunwoodie elaborates.


“This cellular stress response could be the key to a variety of birth defects, not just heart defects. Now, we strongly suspect it’s an underlying mechanism for many different types of birth defects — including those of the vertebrae, kidney and others.  Surprisingly this cellular stress response has been used for hundreds of millions of years and it is only now that we have discovered that it can cause organs, such as the heart, not to form properly.”



Prevention


According to the U.S. Centers for Disease Control and Prevention (CDC), birth defects are common and critical conditions that affect one in every 33 babies born in the U.S. each year.


Every four ½ minutes, a baby is born with a birth defect in the U.S.  And each year, nearly 120,000 babies are affected by birth defects.


Unfortunately, not all birth defects are preventable.  However, the CDC recommends there are steps a woman can take before and during pregnancy to increase her chance of having a healthy baby.


Here are the CDC’s recommended prevention steps


  • Be sure to see your healthcare provider regularly and start prenatal care as soon as you think you might be pregnant.

  • Get 400 micrograms (mcg) of folic acid every day, starting at least one month before getting pregnant.

  • Do not smoke, drink alcohol, or use “street” drugs.

  • Talk to a healthcare provider about any medications you are taking or thinking about taking. This includes prescription and over-the-counter medications and dietary or herbal supplements.  Don’t stop or start taking any type of medication without first talking with a doctor.

  • Learn how to prevent infections during pregnancy.

  • If possible, be sure any medical conditions are under control, before becoming pregnant. Some conditions that increase the risk for birth defects include diabetes and obesity.

Living with a Birth Defect


Babies who have birth defects often need special care and interventions to survive and develop.  State birth defects tracking programs provide one way to identify and refer children for the type of services they may require. Early intervention is very important when it comes to improving outcomes for these babies.


If your child has a birth defect, you should ask his or her doctor about local resources and treatment. Geneticists, genetic counselors, and other specialists are another resource.


Finding Support


Having a child with a birth defect can affect the entire family.  For some people, it’s helpful to talk with families or other people who share the same type of birth defect as you or your family member.


Other people might have learned how to address some of the same questions and concerns you may have.  Additionally, most of the time, they can give you advice about good resources and share what is working best for them.


Talking with other people may also provide hope and emotional support.  There are a variety of ways to connect with other people.  One way to connect with a person is by telephone.  You may also find support on reliable websites and social media groups on the Internet.


But it’s important to note that the choices of one family might not be the best for another family.  So it’s vital to understand and consider all options and discuss them with a health care provider.


This recent study titled, “Gestational stress induces the unfolded protein response, resulting in heart defects,” is published in the journal Development.



Scientists Make the World’s First Discovery on the Cause of Many Types of Birth Defects

9 Temmuz 2014 Çarşamba

From the lab to the maternity ward: how genetics can beat birth defects

Dr. Claudia Guimaraes carries the baby girl in Brazil

A new on the internet toolkit designed in Cambridge, United kingdom, is helping Brazilian medical professionals to detect birth defects. Photograph: AGENCIA ESTADO/AP




In many countries efforts to stop disease and enhance wellness are minimizing costs of infant and childhood deaths. Even so, it has turn out to be obvious that these mask another considerable health problem. Birth defects or congenital abnormalities refer to something abnormal that is current, though not automatically clear, at birth. They include easily identifiable physical situations this kind of as spina bifida, club feet or cleft palate others only become obvious more than longer periods, for instance heart or eye troubles. Many are inherited forms of ailment such as sickle cell anaemia or Down’s syndrome. Collectively, birth defects impact one in every single 33 births globally, representing a enormous burden of childhood death and disability, specifically in creating nations: nearly 300,000 infant deaths and in excess of 3 million new situations of disability annually.


In 2010, the Globe Overall health Assembly highlighted birth defects as a priority global wellness situation. In wealthy nations such as the Uk, substantial measures for prevention, diagnosis and remedy exist, but several reduce cash flow nations just can not afford this. They want to know how very best to expend limited assets to lessen the impact of birth defects some measures (this kind of as folic acid supplements in pregnancy to prevent neural tube defects) are significantly more affordable than other individuals.


Overall health policy thinktank the PHG Basis has a specific curiosity in the use of genomics (the review of entire genomes, the total set of DNA) to boost wellness, usually by way of new exams and technologies. As a lot of birth defects are induced or influenced by genetic aspects, the challenge was to aid reduced and middle revenue countries to affordably prevent, determine or treat them. Creating on public well being approaches, we mapped a variety of varieties of birth defects and health care choices operating with specialists from University College London and the London School of Hygiene and Tropical Medicine.


The consequence was the toolkit for Well being demands assessment in congenital abnormalities, an on-line program that makes it possible for overall health professionals to uncover out the ranges of birth defects in their very own and other countries, and seem at the different alternatives available for improving prevention and care. It leads them via a method to design companies incorporating measures they think are proper for their personal country or region some could be as well costly, or socially unacceptable (such as optional termination of impacted pregnancies). Users can build an proof-based mostly, rational case for price-efficient new solutions that can be presented to well being authorities. Worldwide experts concerned in testing and refining the toolkit estimate that it minimizes the time required for an person to create this kind of a situation for new services from two or three many years to just a few weeks.


Last yr, overall health professionals in Uruguay efficiently utilized the toolkit to create a new law enshrining newborn screening for inherited diseases in the overall health support. Mariela Larrandaburu, director of the nationwide extensive plan of birth defects and unusual disease at the ministry of public wellness in Uruguay explained the toolkit had been a “driving force”. Larrandaburu explained the toolkit aided to integrate a bodily examination for birth defects into the healthcare system in Uruguay. “The physical examination is an important part that should be done systematically by personnel qualified to detect developmental abnormalities that otherwise will go unnoticed,” she says.


The toolkit is also becoming utilised in cities in Maharashtra, India. Birth defects are an “enormous, but largely invisible dilemma” in India, says Dr Anita Kar, director of the interdisciplinary college of health sciences at the University of Pune. “The toolkit is helping us get to the heart of how to review current solutions and prioritise the implementation of new companies in order to boost population overall health in the area.”


Earlier this year the toolkit was formally passed on to a consortium of overall health partners based mostly in Porto Alegre, Brazil who played an essential part in advancement. In addition to currently being enthusiastic customers, they will sustain the toolkit with up-to-date epidemiological data and advertise awareness amid global colleagues.


Though the toolkit is free of charge, and accessible for use on the internet or as available downloadable files, it could be enhanced, notably by optimisation for use with mobile phones and in additional languages. It however demonstrates that poorer countries can derive significant benefit from superior biomedical understanding with out needing costly high-tech laboratories given a simple assistance framework and access to data, they are much more than capable of developing their own, tailored remedies to national or regional wellness issues. This is an method that could usefully be utilized to other major public health difficulties.


Dr Philippa Brice is head of expertise and communications at the Public Wellness Genetics Basis. Comply with @PhilippaBrice on Twitter


Study a lot more stories like this:


• 7 methods to finish preventable child deaths


• 5 memorable movements in public health


• Innovate or die: what it takes to transform international well being


Join the local community of worldwide growth pros and authorities. Grow to be a GDPN member to get a lot more stories like this direct to your inbox




From the lab to the maternity ward: how genetics can beat birth defects

2 Haziran 2014 Pazartesi

Surgical "robot hands" could execute operations on unborn infants with defects

Professor Sebastien Ourselin who is major the analysis stated: “Working on infants in the womb is not undertaken lightly and is reserved for just a handful of the most significant defects. Really few procedures can be done safely in the fetus making use of keyhole surgical treatment, and more complicated ones need opening the uterus, which puts both the mother and unborn child at chance. Less than one,000 procedures a yr have been attempted at various specialised clinics all around the globe.


“Our aim is to combine less invasive surgical technologies with stem cell and gene therapies to deal with a wide range of ailments in the womb, with significantly significantly less danger to both mother and infant.”


At present surgery in unborn infants can only be carried out when the foetus is 26 weeks previous. According to the Observer the task will aim to make it achievable to operate on foetuses at a significantly earlier stage of growth.


It is envisaged that the ‘robot hand’ will involve a thin, flexible probe that would be inserted into the womb. The probe’s head would have a single strand fitted with a small camera that would produce a 3D photograph within the womb. The photographs could then be utilized to guidebook the probe to its target.


In the case of a foetus with spina bifida, the probe’s other arms would be fitted with instruments which would carry a piece of gel or patch that would then be inserted in excess of the gap in the baby’s spine.


In addition to working on surgical imaging techniques, the analysis will create new instruments to increase surgical procedure on unborn babies, as properly as producing adaptations to the delivery of stem cell therapies to unborn infants.



Surgical "robot hands" could execute operations on unborn infants with defects

7 Mayıs 2014 Çarşamba

Screening of newborn infants for heart defects to be trialled

Newborns may undergo pulse oximetry to help detect the 3,500 babies born a year with heart defects

Newborn babies might routinely undergo pulse oximetry to help detect the three,500 infants born every 12 months with congenital heart defects. Photograph: Danny Lawson/PA




A new screening test for newborn babies is to be trialled in a bid to pick up far more of people with heart defects, Public Overall health England has announced.


Pilot tasks will begin in about 6 hospital trusts. The check, referred to as pulse oximetry, measures the oxygen amounts in the baby’s blood, which can be an indicator of congenital troubles, this kind of as a hole in the heart. About three,500 babies are born with congenital heart defects. At times they are not picked up until finally the baby has been at property for months and becomes critically unwell.


The test is non-invasive and will be carried out at the same time as the standard well being check infants are offered inside the initial 72 hours of existence, most likely by a midwife. It involves placing a clip named a probe on the baby’s finger or toe, which shines a red light by way of the skin. It will take just a couple of minutes to measure the oxygen saturation of the blood.


The pilot programme has been advised by the nationwide screening committee, which advises government. No screening test is totally accurate and some infants with heart defects will nonetheless be missed. About 5% of babies will be discovered to have lower oxygen saturation in the blood, but several will have other medical issues or no well being dilemma at all – and the committee concluded that there would be far more of people than infants with congenital heart defects.


The committee determined that a pilot scheme was required to work out how to deal with false alarms as properly as babies needing treatment, and also to assess what the fiscal effect on the NHS was most likely to be.


Not all babies will be examined: some heart defects are identified in the womb through the routine ultrasound scan that pregnant women are asked to undergo at 18-twenty weeks.


Dr Anne Mackie, director of programmes for the committee, which is supported by Public Wellness England, said the pilot was an thrilling prospect. “Pulse oximetry has the likely to detect far more infants with congenital heart defects to conserve lives and make positive babies get the care they need ahead of they turn into significantly sick. However, the test will also determine several, a lot of other babies with minimal oxygen. Some will want care for other issues and some will not be ill at all.”


The committee advisable towards introducing two other screening programmes. Screening for dental illness in young children aged from 6 to nine many years outdated was not effective, it stated, and resources would be greater spent on programmes to enhance dental hygiene.


Screening for coeliac illness (a bowel condition resulting from the immune system’s more than-sensitivity to wheat, rye and barley) was also not useful, it made a decision, due to the fact the proof showed no improvement in the wellness of people detected with the issue who had no signs – the principal group who would be picked up by a screening check.




Screening of newborn infants for heart defects to be trialled

12 Mart 2014 Çarşamba

NHS believe in apologises for care failings in excess of youngsters with severe heart defects

The families of sixteen young children born with severe heart defects did not acquire the compassion, empathy and assistance they needed from personnel at Leeds educating hospitals believe in and in some instances felt pressured to have terminations, an NHS investigation has found.


Leeds, exactly where children’s heart surgical procedure was temporarily suspended last yr in excess of fears that death rates had been too large, was provided a clean bill of health for its clinical efficiency.


But the damning report into paediatric cardiology at Leeds standard infirmary outlining the experiences of sixteen families who complained of poor care at the unit has prompted apologies from the two NHS England and the Leeds educating hospitals NHS trust, which runs the hospital.


Dad and mom felt they were currently being pressured to have terminations when the heart defect was detected in pregnancy, and had been left alone and in distress soon after the diagnosis.


After the births, some say they were not told that doctors believed the little one would die. One particular couple waited 3 many years for an operation only to uncover that their little one was not on the waiting record. Of the youngsters concerned, six are identified to have died.


The evaluation of the families’ complaints about Leeds was carried out by the independent case reviewer, Professor Pat Cantrill. The complaints associated to care among 2009 and 2013.


The mom of a child called Tom informed Cantrill: “They did the scan and then I went into a space exactly where there was a medical professional and a nurse. I was told my child had half a heart.


“There was no compassion. I cried. The medical doctor explained that the recommendation was to have a termination. I asked if there have been other options and I was informed I could go to complete term and have the baby and then it would die or have the little one and then have surgical treatment but that was not advisable. I was given a booklet and two days to make a selection.


“I was advised not to search items up on the world wide web. I was sent to the antenatal clinic and waited from 2 o’clock until finally five o’clock. I was exhausted. My father went and asked for somebody to see me. The personnel had not been informed about me.


“Then a doctor rang me at home on the Friday for my decision. I said I did not want a termination. I was told it was the largest mistake of my daily life.”


The households had been occasionally provided leaflets to take house but felt they did not have ample info to make a selection. “Some have been left waiting in a distressed state, or in rooms on their personal, and in 1 case left in a corridor,” the report explained.


The mother of yet another baby, Aziz, was urged to consider about termination. “They seemed against me continuing with the pregnancy. As a Muslim I feel that abortion is incorrect. They did not seem to understand,” she advised Cantrill.


Soon after the birth, some mentioned there was no program for the care of the kid.


John, who was breathless, sweaty, blue and slept most of the time, “was on the ‘wait-and-see/as-and-when-required’ path. Alarm bells commencing ringing when a consultant at our local hospital questioned why no care prepare was in spot when John was so poorly,” said on of his mothers and fathers.


Several had been distressed by the lack of distraction when essential tests were carried out. The mom of Sally mentioned: “When they took blood it was awful. They would hold her down. They had 12 attempts to get blood by 4 various doctors. She was so distressed and so were we.


“At the other hospital it could not have been far more various. They have a distraction space and they perform videos while they are taking blood. She can cope with it now.”


Some dad and mom said they have been not advised that the heart could not be repaired and any treatment was only palliative – to relieve symptoms.


“We have been waiting to get a letter for Shona to go into hospital for her heart surgical procedure. I was a nervous wreck,” mentioned a mom. “She commenced to deteriorate. I contacted the hospital. They created me feel as though it was me and that I was becoming above protective and that I would just have to wait.


I stated that we necessary to see someone and eventually we saw the cardiologist. The scan did not demonstrate anything distinct. We had waited for three many years for her surgery but when we saw the physician she told us that Shona was inoperable and that she was not on the waiting list.”


A single mother was known as by the children’s hospice with out understanding the hospital had referred the little one. Families told of delays to their children’s treatment method, which they believed produced it significantly less very likely to be productive.


Some talked of a lack of support after their little one had died. “After Tim died the shutters appeared to come down. There need to be counselling offered for mother and father who have misplaced their child,” mentioned a parent.


Not all the experiences have been negative, the families acknowledged, but some said care from the cardiology support that had been excellent had deteriorated in excess of the years.


The stories she heard, mentioned Cantrill, “were all heartfelt, moving and sincere. All the households have been saddened to locate themselves in a position in which they had lost self confidence in the care supplied for their young children and for them as a family. They want the services for kids with congenital heart conditions each nationally and locally to learn from their encounter. They want companies for children and their households to increase.”


She created a series of suggestions for the believe in, other heart units and NHS England.


The trust apologised to the households and explained it had currently made adjustments, but the deputy director of NHS England, Mike Bewick, warned that lessons have to be realized by all people concerned in the care of this kind of vulnerable youngsters.


“This kind of experiences are not able to be defended,” he stated.


Julian Hartley, chief executive, and Yvette Oade, chief medical officer at Leeds educating hospitals believe in said they have been glad the children’s heart unit had been discovered to be risk-free and running effectively. “We are very sorry however, that the sixteen households who shared their stories with [the evaluation] felt we did not give the care they had a appropriate to anticipate … we sincerely apologise to individuals households and will of course, make sure we understand from what they had to say and enhance our providers as a outcome of this.”


The report was published by NHS England on the day that Sir Ian Kennedy – who chaired the inquiry into failures in babies’ heart surgical procedure at the Bristol royal infirmary more than a decade ago – met families whose young children with heart defects died at one more hospital in the city, the Bristol Royal Hospital for Kids. Kennedy is assisting to set up an inquiry into their concerns, at the request of Sir Bruce Keogh, NHS England’s health care director.


“I have to say that I really feel a wonderful sense of sadness that I discover myself right here in Bristol – 13 years after my first report – hearing after once more the anger and distress of mothers and fathers,” stated Kennedy. “The families want a robust independent procedure. We have made very good progress in obtaining the way forward and there is still more work to do. We hope to get issues moving with some urgency.”


Four inquests on children who have died following heart operations in Bristol have exposed failings in care, breakdowns in communication and, at times, an apparent lack of empathy with mother and father when they flagged up considerations about remedy.


The parents of two of the youngsters, Luke Jenkins, seven, and Sean Turner, 4, who died in 2012 within a month of each and every other at the Bristol royal hospital for Youngsters, have strongly expressed the belief that employees did not consider their concerns seriously.


Faye Valentine, the mother of Luke, stated she and her companion, Stephen, had been manufactured to really feel as if they have been a nuisance when they flagged up fears about their son’s recovery.


“We weren’t currently being listened to,” she stated. “They considered we had been currently being above-anxious and asking too a lot of concerns. They ignored us. We weren’t asking stuff for the exciting of it. We had significant issues and they ignored us.”


The mother and father of 4-12 months-old Sean Turner, who like Luke was taken care of in ward 32, the children’s cardiac ward, said there had identified a “lack of leadership, accountability and communication” at the hospital.


The believe in insists that it has produced basic modifications to the way both kids and their parents are cared for on ward 32. Dad and mom are now asked frequently if they have considerations – and any worries are noted and what actions taken to address them recorded. In addition mother and father can write their views into the official patient information. Up coming to each child’s bed is data about how they can increase concerns formally.



NHS believe in apologises for care failings in excess of youngsters with severe heart defects