Hernia diafragmática congénita. Article (PDF Available) in Revista Colombiana de Anestesiologia 38(2) · May with 54 Reads. RESUMEN. La hernia diafragmática congénita (HDC) es una malformación rara, habitualmente unilateral y más frecuente del lado izquierdo. La HDC bilateral. La hernia diafragmática congénita (HDC) constituye una de las patologías más complejas que el neonatólogo debe tratar. Su incidencia es aproximadamente.

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Home Terms and conditions Gestational Calculators. Fetal surgery Our team Clinical protocols Contact us. What is congenital diaphragmatic hernia?

Congenital diaphragmatic hernia

Congenital diaphragmatic hernia CDH is a birth defect occurring because the diaphragm, a flat muscle separating the chest from the abdomen, it is not completely formed. Since there is a whole in this structure, the organs in the abdomen stomach, bowels, liver may ascend to the chest, thereby compressing the lungs and preventing their normal development, in a condition called in medicine pulmonary hypoplasia.

This problem occurs in about 1 diafragmayica pregnancies. Why does it happen? The cause of CDH is unknown, and there are no known risk factors. In some cases CDH is part of a more complex disease, for example dizfragmatica chromosomal problem or other malformations, but diafragmarica more than half of cases it is an isolated defect.

Newborn treated with prenatal tracheal occlusion in Hospital Clinic Barcelona.

Which are the risks involved? During fetal life, the fetus is not using the lungs to breath and therefore CDH does normally not represent any risk during pregnancy. Immediately after birth, the lungs are needed to breath and obtain oxygen, and if they are too small the infant will develop a severe problem called respiratory insufficiency. The blood vessels of the lungs are also too small and the baby will have problems to circulate blood through the lungs, in a condition defined as pulmonary hypertension.


Newborns with CDH require intensive support by neonatologists. Once the respiratory problem is stabilized, a pediatric surgeon will repair the whole in the diaphragm. In some selected cases, the use of extra-corporeal circulation, called ECMO, may be required. Fetuses with CDH must be born in a tertiary hospital with highly specialized staff and experience in the congebita of these cases.

In spite of a highly advanced healthcare, and even in the best centers in the world, part of these infants will not survive due to the severity of the pulmonary problems. The probability of a good or poor outcome depends critically on the diafragmaatica of pulmonary hypoplasia, i. For those cases in which a lower chance of survival is expected, prenatal therapy may be considered to increase the chances for survival with conventional postnatal management.

Hernia Diafragmática Congénita: Frontera entre Ciencia Básica y Clínica

Which tests are needed to know the prognosis in my case? To achieve the highest accuracy it is essential that the case is evaluated in a center with experience in the evaluation of fetuses with CDH.

The evaluation follows two steps: High-resolution ultrasound Amniocentesis for the study of fetal karyotype if not available Magnetic diafragatica imaging.

Multidisciplinary evaluation and counselling by a team made up of fetal medicine specialists, neonatologists and pediatric surgeons. Once the workup is completed, the team is able to give a better idea of the prognosis after birth, which will determine the different management options during pregnancy. Which are the management options? Once the comprehensive evaluation is completed and after the prognosis is established, parents may opt for three options: Termination of pregnancy, depending on the legal limits on termination.

Conventional management alter birth, as defined above. The treatment is not curative, the lungs will remain small and hypoplastic, and the newborn will require conventional postnatal management as described above. Likewise, since the treatment does not aim to repair the diaphragmatic whole, this will need to be repaired after birth. However, it is thought that prenatal therapy may substantially increase the chances of surviving for a selected group of cases. The treatment is based in the occlusion of the trachea Windpipe: This will result in expansion of the lungs, which is supposed to be the main mechanism to improve respiratory function after birth.


The intervention consists in a fetoscopic treatment using fetal endoscopyand therefore it is a minimally invasive therapy. It is performed in an operating room with local or peridural anesthesia and the mother normally remains admitted for about days.

What is congenital diaphragmatic hernia?

Through a small incision in the skin about 3 mm a tiny fetoscope is inserted and under direct vision the endoscope is advanced through the mouth of the fetus down to the trachea, where a balloon is inflated. The balloon is left inflated for a period ranging 3 to 6 weeks and then it is removed. The rest of the pregnancy can be managed in a usual way and the fetus can be delivered vaginally.

This treatment is offered in a small number of hospital. The three doctors that initiated this treatment in Europe are working in collaboration and analyze their results in common, according to common protocols and techniques.

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The treatment is under continuous development and improvement and several aspects are now being refined in the context of European funded research programmes. Deprest Leuven and Dr Nicolaides Londonwho first implemented the technique that is now the basis for prenatal therapy.

Our experience in the evaluation and treatment of congenital diaphragmatic hernia, both prenatally and postnatally, is among the largest in Europe.

Patients are supported by our fetal medicine specialized nurses, which provide not only guidance but also emotional support during the whole process.