What is the role of a femoral venous cannula?
 Dec 31, 2024|View:94

Femoral venous cannula is an important medical procedure, widely used in clinical practice, especially in the need for rapid, large fluid infusion or infusion of special drugs. This technology not only improves the efficiency of treatment, but also reduces the pain of patients and the difficulty of medical personnel. This article will introduce the role of femoral venous cannula and its application in medical practice.

femoral venous cannula

Definition of femoral venous cannula

Femoral venous cannula is a method of vascular puncture through the femoral vein (located in the medial thigh) and indwelling catheter to establish long-term or short-term venous access. The procedure is commonly used in patients who require continuous infusion, blood collection, or Hemodynamics monitoring.

The role of femoral venous cannula

Rapid fluid replacement and medication

femoral venous cannula is a rapid and effective way to establish venous access, especially in emergency and intensive care, and is especially important for patients requiring large fluid rehydration or emergency drug infusion. For example, in the rescue of critical newborns, through femoral vein puncture indwelling trocar, can quickly rehydrate, correct water electrolyte and acid-base balance disorders, improve the success rate of rescue.

Reduce the number of punctures

For patients who require long-term infusion, femoral venous cannula can reduce the pain and vascular injury caused by repeated puncture. Indwelling catheter can be retained in patients for a period of time to avoid frequent puncture, but also reduce the workload of medical staff.

Infusion of special drugs

Some drugs are irritant to blood vessel, such as chemotherapy drugs, hyperosmolar liquid and so on, which can reduce the damage of these drugs to blood vessel wall through femoral venous cannula. In addition, femoral venous cannula is also suitable for infusion of parenteral nutrition fluid, fat emulsion and other special drugs.

Hemodynamics monitoring

In intensive care, femoral vein catheters can also be used for Hemodynamics monitoring, such as Central venous pressure monitoring (CVP) , to assess blood volume and cardiac function.

Application scenario of femoral venous cannula

Intensive Care

In the intensive care unit (ICU) , femoral venous catheters are commonly used for patients who require continuous infusion, Hemodynamics monitoring, and blood collection.

Pediatrics

For critical neonates with very low body weight, feeding intolerance and long-term continuous infusion, femoral venous cannula can reduce pain and improve treatment efficiency.

Operation and post-operation

During surgery, femoral venous cannula can be used for rapid fluid replacement and blood transfusion, as well as postoperative monitoring and treatment.

Points for attention and complications

Although femoral venous cannula has many advantages, the following points should be noted in the application process:

Strictly aseptic operation

Femoral venous cannula is an invasive procedure with a risk of infection. Therefore, the principle of sterility must be strictly observed in order to reduce the incidence of infection.

Avoid penetrating the artery by mistake

Femoral artery and femoral vein adjacent, easy to puncture into the artery. This requires the operator to have a skilled knowledge of the anatomy and to carefully identify the vessels during the procedure.

Regular maintenance

The indwelling catheter needs regular maintenance, including checking whether the catheter is unobstructed, cleaning the local skin at the puncture point, changing the film, etc. . At the same time, patients also need to keep local skin clean and dry to avoid infection.

Management of complications

Such as catheter obstruction, infection, thrombosis and other complications, should be treated in time, if necessary, pull out the catheter.

Conclusion

As an important medical procedure, femoral venous cannula plays an irreplaceable role in clinical practice. It can not only establish venous access quickly, improve the efficiency of treatment, but also reduce the pain of patients and the difficulty of medical staff to operate. However, it is also necessary to pay attention to aseptic manipulation, avoiding arterial perforation and regular maintenance in order to reduce the occurrence of complications. With the continuous progress of medical technology and the accumulation of clinical experience, the application of femoral venous cannula will be more extensive and in-depth.


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