cannulatsioon

Cannulization, also known as cannulation, is a medical procedure involving the insertion of a cannula, a hollow tube, into a body cavity or vessel. The primary purpose of cannulization is to provide access for the administration of medications, fluids, or the withdrawal of bodily fluids. This procedure is commonly used in various medical settings, including intensive care units, operating rooms, and emergency departments.

The cannula can be inserted into different body sites depending on the intended use. For example, a central venous cannula may be placed in a large vein, such as the internal jugular or subclavian vein, to access the heart and major blood vessels. Alternatively, a peripheral cannula may be inserted into a smaller vein, such as the forearm, to access the bloodstream.

Cannulization is typically performed under sterile conditions to prevent infection. The procedure may be guided by imaging techniques, such as ultrasound or fluoroscopy, to ensure accurate placement of the cannula. Once in place, the cannula remains in the body for a period of time, allowing for repeated administration or withdrawal of substances as needed.

The benefits of cannulization include the ability to provide continuous or intermittent access to the bloodstream, which can be particularly useful in critically ill patients who require frequent monitoring or treatment. However, cannulization also carries risks, such as infection, bleeding, and complications related to the placement of the cannula.

In summary, cannulization is a versatile and widely used medical procedure that provides access to the body's internal spaces for the administration or withdrawal of substances. While it offers significant advantages, it also requires careful consideration of potential risks and complications.