Arteriovenous shunt V Med. Technology

An arteriovenous shunt is a device used in medicine to create a bypass path for blood flow when it is necessary to temporarily disconnect part of a vessel from the circulation. This method is widely used in surgery, cardiology and other areas of medicine.

Arteriovenous shunts can be either internal or external. Internal bypasses are flexible tubes made of nylon or other materials that are inserted into an artery or vein and create a bypass for blood flow. External shunts can be designed as devices worn by patients and connect their blood vessels to an artificial kidney, hemosorption, or parenteral nutrition.

The use of arteriovenous shunts reduces the risk of complications associated with disconnection of part of the vessel from the blood circulation. They also help improve blood circulation in the area where the bypass has been created.

However, the use of shunts has its own risks and limitations. For example, external shunts can cause discomfort in patients, and internal shunts can lead to the development of complications such as thrombosis, infections and others. Therefore, before using shunts, it is necessary to carefully evaluate the patient and determine the best treatment method.

In general, arteriovenous shunts are an effective method of treating and preventing various diseases associated with impaired blood flow. However, their use must be justified and carried out under the supervision of qualified specialists.

Arterial-venous bypass surgery is a medical procedure that uses a flexible tube or special device to create a new path for blood flow that will bypass the diseased area of ​​the vessel. This can be useful in case of diseases that can cause an acute lack of oxygen in the body, such as a heart attack or pulmonary failure.

Shunts come in different lengths and diameters, which allows you to choose the best option for a specific disease. Through the tube, you can administer medications that enter directly into the bloodstream, which speeds up their absorption from the blood and improves the quality of treatment.

It is important to note that shunts are a temporary measure and are only used until the patient's condition improves. At the end of the procedure, they are replaced with new ones or returned to their original state. Surgery using a shunt is performed in a special medical center under anesthesia and general anesthesia.

The procedure itself is not painless, so you need to carefully prepare before it is performed. Bypass surgery is prescribed by a doctor after a full examination, including ultrasound and radiological studies of the condition of blood vessels and cardiac activity in general. Laboratory tests and blood clotting tests will also be required.

Before the intervention, the patient must spend some time in the intensive care unit under the supervision of medical staff. In general, thanks to shunts, many patients can avoid possible amputation of a limb when it comes to obstruction of the arteries or vessels. In some cases, surgical treatment may be required for a long time, after several weeks or even months. However, the constant use of shunts can lead to a number of problems, such as the formation of blood clots in the tube or stagnation of blood in the vessels. Therefore, bypass surgery is performed with a certain frequency, which varies depending on the individual characteristics of the body and the general condition of the patient. Typically, the effectiveness of the shunts is checked periodically, and deposits and blood clots are removed if necessary. It is important to understand that the selection of a suitable shunt, its installation, maintenance and removal are carried out only by highly qualified specialists in appropriate medical institutions. Only they will be able to correctly assess the patient’s condition and carry out all the necessary diagnostic and therapeutic measures.

Arteriovenous shunt in medical technology: description and history of creation

An arteriovenous shunt is an easy-to-use and effective method for helping with heart and lung diseases, especially in severe forms. Arterial bypass surgery is one of the most common treatments for many diseases. It allows the patient to be connected to an additional blood supply, which can save lives in some heart diseases and prevent their progression. The use of shunts has become possible thanks to the development of innovative methods and technologies in the field of diagnosis and treatment of cardiovascular diseases.

How does a shunt work?

When bypassing an artery, a flexible tubular tube is used