Vena cava-syndrom, det vill säga att uterus komprimerar vena cava vid ryggläge av patienten, kan uppträda från cirka 20:e graviditetsveckan. Detta innebär att patienten får minskat venöst återflöde och minskad hjärtminutvolym, vilket kan leda till cirkulatorisk kollaps.
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Contents
What is vena cava syndrome in pregnancy?
Vena cava syndrome: description – Vena cava syndrome is a circulatory problem affecting mainly pregnant women. If the pregnant woman is lying on her back, the uterus with the unborn child can press on the inferior vena cava (compression) and interrupt the return of the blood from the lower half of the body to the heart.
- Therefore, doctors also speak of the vena cava compression syndrome.
- Since the child in the last months of pregnancy increases in size and weight, women especially at the end of their pregnancy (3rd Trimester) under the vena cava syndrome.
- The syndrome can also be triggered by swelling and tumors – good as well as malignant.
On the inferior vena cava, especially liver cancer diseases. Physicians then speak of the vena cava-inferior syndrome. If a tumor compresses the superior vena cava, the symptoms are summarized under the term superior vena cava syndrome (also: upper influence congestion).
In the case of such space-occupying diseases, the symptoms usually occur creeping, but are constant, whereas the vena cava syndrome of the pregnant woman occurs suddenly and can be treated by appropriate measures. Vena cava syndrome is strictly speaking not an independent disease. Rather, it describes a complex of several symptoms of decreased blood flow, such as sudden drop in blood pressure and even fainting.
In pregnant women, the Vena cava syndrome can also lead to poor child care. In extreme cases, both develop a life-threatening situation. Since the inferior vena cava can be completely closed (occluded) by the pressure of the uterus, some doctors use the term vena cava occlusion syndrome.
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What are the symptoms of vena cava syndrome?
Vena cava syndrome: treatment – Leaving the supine position is the first and most important measure of a vena cava syndrome. In many cases, the mere placing in an upright position is sufficient. Often the patients are turned to the left side. Sometimes the right hip is raised and a pillow or the like placed underneath.
- In this way, the blood can flow back to the heart more easily.
- If the vena cava syndrome leads to a cardiovascular shock (loss of consciousness, strong heart rate, barely measurable blood pressure) despite a rearrangement, the emergency physician must be alerted immediately.
- After delivery to an intensive care unit, the circulation is stabilized, inter alia, by fluid administration.
In addition, the doctors examine the unborn child. In life-threatening situations, a caesarean section follows immediately. The vena cava syndrome in malignant tumors usually needs to be treated surgically. Until then, special reclining positions (lateral, sitting) help to reduce discomfort.
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What is the vena cava-inferior syndrome?
Vena cava syndrome: description – Vena cava syndrome is a circulatory problem affecting mainly pregnant women. If the pregnant woman is lying on her back, the uterus with the unborn child can press on the inferior vena cava (compression) and interrupt the return of the blood from the lower half of the body to the heart.
- Therefore, doctors also speak of the vena cava compression syndrome.
- Since the child in the last months of pregnancy increases in size and weight, women especially at the end of their pregnancy (3rd Trimester) under the vena cava syndrome.
- The syndrome can also be triggered by swelling and tumors – good as well as malignant.
On the inferior vena cava, especially liver cancer diseases. Physicians then speak of the vena cava-inferior syndrome. If a tumor compresses the superior vena cava, the symptoms are summarized under the term superior vena cava syndrome (also: upper influence congestion).
- In the case of such space-occupying diseases, the symptoms usually occur creeping, but are constant, whereas the vena cava syndrome of the pregnant woman occurs suddenly and can be treated by appropriate measures.
- Vena cava syndrome is strictly speaking not an independent disease.
- Rather, it describes a complex of several symptoms of decreased blood flow, such as sudden drop in blood pressure and even fainting.
In pregnant women, the Vena cava syndrome can also lead to poor child care. In extreme cases, both develop a life-threatening situation. Since the inferior vena cava can be completely closed (occluded) by the pressure of the uterus, some doctors use the term vena cava occlusion syndrome.
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What causes upper vena cava syndrome?
Risk factor cancer – In addition to pregnancy, there are other circumstances that can cause a vena cava syndrome. In general, any puffiness in the abdomen may press on the inferior vena cava. Because this is right in front of the spine, especially advanced, malignant liver (liver cancer, liver metastases) or right-sided kidney disease (kidney cancer) can cause a vena cava syndrome.
In connection with liver diseases, it often comes to so-called ascites (ascites). This accumulation of fluid in the abdomen can also lead to a vena cava compression syndrome in the advanced stage. The most common cause of upper vena cava syndrome is lung cancer. Rarely are cancerous metastases from other organs responsible.
But also cancers of the lymph gland or thyroid gland may lead to a vena cava syndrome. Very rarely, a benign swelling such as the goiter (goiter) presses on the superior vena cava. The symptoms of a vena cava syndrome can also be caused by blood clots (thrombi) in the vena cava.
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