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Environmental and genetic factors in fetal development
Technology Advancement
Environmental and genetic factors in fetal development
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In the chance that a fetal heart abnormality does occur, it is important to know the technology out there that some hospitals have to find and treat the defect. Education behind heart defects and how it can be obtained gives a better perspective on the complications health care providers are working with. This will assist the parents in asking the right questions and give a better understanding of the procedures and treatments that need to be done to save the newborn. ………
Technology has come a long ways in fetal cardiac surgery. Surgeons and physicians have been working side by side with engineers to make great strides in detecting cardiac abnormalities, performing in-utero surgery, and surgery after birth. It has given babies a fighting chance at living a normal life. Advancing technology has made it easier to identify abnormalities early on while the heart is still in the process of developing. This now gives the surgeons the option to put new instruments, such as a catheter, at work in making minor adjustments. Yet, in-utero fetal cardio surgery is still not completely dependable because it is a complicated process that is still relatively new to health care.
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Some parents believe that if their baby has an abnormality, then physicians and surgeons should have the technology to fix their child.
Therefore, when there is not much that can be done, parents blame the facility instead of their own lack of care for their child’s abnormality. Yet, this is a post hoc fallacy because it is not the physician that caused the heart abnormality, but rather the environmental and genetic factors the fetus was exposed to. Physicians make a judgement on the best way to cure or minimize the defect. As there are increasing technology, the world still has a long ways to go to completely trace the defect during early gestation and find a
cure. The fetal heart typically starts to beat during the 3rd week of gestation. The heart development is usually complete by the 8th week but does not get tested until over twice as long to make sure the heart is fully advanced. However, it can be scanned as early as 12 weeks using a probe (Stauffer, Murphy, 2002, p. 1-7). Ultra-sonograms are general scans of the fetus while a fetal echocardiogram focuses on the heart. A fetal echocardiogram includes some ultra-sonogram images, checks heart flow, and the specifics of the four chambers. After an abnormality is found, repeated checks are done as the fetal heart becomes closer to full size to see if the defect is causing further complications (Stauffer, Murphy, 2002, p. 1-7).
“Hypoplastic left heart syndrome accounts for 9% of all critically ill newborns with congenital cardiac disease, causing the largest number of cardiac deaths in the first year of life.(2) ” HLHS is a severe heart defect that is present at birth. HLHS combines different defects that result in an underdeveloped left side of the heart. This syndrome is one of the most challenging and difficult to manage of all of the congenital heart defects. Multiple portions on the left side of the heart are affected including the left ventricle, the mitral and aortic valve, and the ascending aorta. These structures are greatly reduced in size, or completely nonexistent causing the functionality of the left heart to be reduced, or non-functional all together.
.... Tetralogy of Fallot occurs during fetal growth when the baby’s heart is developing. In most cases the cause of this disease is unknown.
A ventricular septal defect or hole in the heart occurs along the septum between the ventricles of the heart. During fetal development the left and right ventricles are not separated, but as the fetus continues its growth these two ventricles being to separate. If the septum or wall doesn’t completely form the baby is left with a hole in their heart, which allows oxygen-rich blood to mix with oxygen-poor blood. The blood shunted from the left ventricle to the right ventricle overworks the heart. The heart has trouble with the load and cannot pump efficiently. This overworking will put too much pressure on the lungs causing pulmonary hypertension and in response thickens the blood and may cause permanent lung damage. This hole normally closes with the continuance of growth. VSDs are treatable, have no known cause, but often occur with other congenital heart defects, and are not preventable.
The typical defect that takes place with a human affected is heart problems. In early infancy surgery needs to be taken place to avoid serious issues in the future. Atypica...
I wanted to get to the very root of the matter, and that's how I came to fetal cardiology. ”(Canessa 167) His determination to tackle the root of his friends injuries, taking those necessary risks in order to save them led him to this highly specialized and challenging field. Roberto's survival in
Technology has had a very prominent influence on electronic fetal monitoring since its appearance in the 1960’s and 1970’s. For many years, fetal monitoring was simply done by listening to a fetal heartbeat through a stethoscope. Dramatic changes in the heartbeat, such as a long period or a drop in the rate or intensity, could be detected,. Now, not only is the electronic fetal monitor used on the outside of the womb by strapping electrodes to the mother’s abdomen but electrodes can also be inserted during the first stage of labor and placed directly on the baby’s head. With advanced technologies such as this the acidity of the infant’s blood as well as the heart rate can be measured.
One in every thirty-three babies is born with a handicap (“Data & Statistics”). The test for birth defects can be done during pregnancy or after the infant is born (“Data and Statistics”). In 2004-2005, the CDC counted 21 diseases as major birth defects (“Data and Statistics”). The list includes: “Central nervous system defects, Eye defects, Cardiovascular defects, Orofacial defects, Gastrointestinal defects, Musculoskeletal defects, and Chromosomal anomalies” (“Data and Statistics”). 20% of infant deaths are caused by birth defects making it the leading cause of all infant deaths (“Data & Statistics”). These defects can happen as a result of a failed abortion or during a pregnancy after an
Hypoplastic left heart syndrome (also called HLHS) is a congenital heart defect occurring during the first 8 weeks of pregnancy which leaves the left side of the heart underdeveloped and small. Normally, the right side flows blood to the lungs where oxygen is enriched before it travels to the heart’s left side while the left side of the heart pumps blood into the aorta which flows oxygen-rich blood to the body. In HLHS, the left side of the heart is not able to pump oxygen-rich blood to the body efficiently because the left ventricle is underdeveloped or small. In this case, the right side of the heart pumps the blood both into the lungs and the rest of the body through the ductus arteriosus and the oxygen-rich blood travels back to the
Unlike vaginal birth delivery, the process of a cesarean delivery is quite different, but just as safe as giving vaginal birth (Taylor, 1). When delivering a baby using the cesarean method, there are two ways anesthetic can be used. The women can be put into an unconscious state using the anesthetic, therefore she will be asleep during the entire operation and her coach may not be present. The other way for the anesthetic to be used would be in an epidural or spinal block to temporarily numb the woman from her waist down. In this case the mother will be awake and her coach may be present to give her extra support. Once the anesthetic is working, an incision is made in the abdomen either horizontally or vertically, depending on the reason for the cesarean delivery. A vertical incision is made when the baby is in trouble and needs to be out as quickly as possible, when there is more time the horizontal incision is used. The baby is then lifted out of the uterus and gone for the APGAP procedure. The placenta is then removed and the mother’s reproductive organs are examined before closing the incision (Taylor, 1).
Tetralogy of Fallot is a critical congenital heart defect that is presented at birth and alters the lives of families around the world. To many, TOF could be seen as inferior to other illnesses and defects due to a lack of comprehension towards the condition itself. Tetralogy of Fallot is an unfamiliar defect caused by a lack of blood flow and inconsistencies in the heart's structure, leading to the “blue baby”. TOF is often detected after an abnormal heart murmur has been picked up during an ultrasound during pregnancy. The key to spreading awareness in any sort is public and communal education. Informing the public on this illness along with many others, that is held amongst many, is important in order to elucidate and bring light to this illness that is jeopardizing a majority of our world's children, such as my son.
The blood that moves through the embryo is in reality more entangled than after the child is conceived (ordinary heart). This is on the grounds that the mother (the placenta) is taking every necessary step that the child's lungs will do after birth.
CHARGE syndrome, a term describing infants and young children born with severe abnormalities ( British Medical Journal, Vol. 304, No. 6840), occurs in one of about nine to ten thousand births and involves both physical and medical disabilities that differ between different children. In a majority of cases, CHARGE syndrome may not be found in any previous family medical history. Breathing problems and heart defects are examples of some life-threatening birth defects that are associated with CHARGE syndrome. Multiple surgeries and treatments are conducted after staying in hospitals for months; life at home may be hard for the patients if they encounter health issues such as difficulty breathing and swallowing. Delayed development as well as
When taking an ultrasound, parents want to know if their child is healthy or not; finding out that their child has a birth defect pre-birth really affect the parents on how they feel for the child. Parents tend to feel negatively about their child because they want a healthy baby, and it really stresses both spouses out when finding out about having a baby with a birth defect and all the extra work that is required to take care of a baby with a birth defect. A mother that was interviewed had said that she felt very low and depressed after learning that her child had a birth defect
When a baby is born prematurely and it has to fight for its survival in order to experience this beautiful world, it really breaks the parents’ hearts. And that’s when an incubator comes to the aid of these babies and one can’t thank this wonderful invention enough! It is extremely encouraging to think of the time when no such device was available for those preemies in great need. Incubators have seen many improvements since and those available today are fully provided with medical equipment necessary for the baby’s survival and growth. They have helped in saving the lives of millions of babies born prematurely around the world. Due to Dr. Couney's great invention now even more scientists take on his legacy, these scientist managed to indeed bring awareness to saving preemies lives and in the process were successful in advancing this part of the medical profession. More than a century ago, one man with a vision took a risk to save
I think it is incredible that we have made such advancements in fetal medicine that surgeons are actually able to perform surgery on a fetus while in utero. Deformities like a cleft lip or pallet are about to be fixed in the womb before the child is even born. The video specifically shows a fetus at 26 weeks who has a hole in his diaphragm. This would cause a problem for him after birth if left unfixed because his intestines would grow into his lung cavity preventing him from being able to breath air outside of the womb. Fortunately with medical advancements, doctors were able to perform a procedure on the fetus where a balloon was placed between his diaphragm and lungs to prevent any obstruction from developing. As soon as the child is born the balloon will be removed and he will likely be able to go on without any difficulty breathing. Having access to this particular fetal procedure has increased survival of newborns with this condition by fifty percent. This is just one of many advancements in fetal medicine. We have also come a long way with premature babies, and micro preemies. Babies born at as early as 24 weeks have a more than fifty percent chance of survival. That is why 24 weeks of pregnancy is often times referred to the viability