Hello, my question is, how does artery clamping work in surgery? If an artery is injured, it is often clamped, but how is the blood supposed to continue flowing to the organ, and how does the area heal? Through clotting?
thanks in advance
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This question can best answer a FA for surgery! I don’t know a chirug active at GF.
During an operation, an arterial terminal is used to Péan, for the short term!! Drawing, holding and clamping of vessels.
A special category are the so-called Satinsky clamps. Satinsky clamps are used, for example, in heart surgery, in bypass/heart flap operations.
Important! It is not a permanent clamping!
A tourniquet is mainly used in emergency medicine. This prevents arterial blood flow, e.g. in case of life-threatening bleeding at extremities. The pressure of the tourniquet is increased until the distal pulse is no longer tastable and the bleeding is standing.
A member is supplied by several arteries. The other arteries keep the organ alive while you raise its owner alive by ensuring that the blood remains where it belongs: in the person.
But if you use a tourniquet, it prevents the whole blood flow to and from the limb below the tourniquet.
In general, you should drop a little pressure every few minutes, just enough for the limb to regain its natural color before you set it up again.
This only works if you do not have a main bleed with full flow: for example a torn thigh artery or a partially traumatic amputation. If you dissolve the tourniquet regularly, your patient will die of blood loss in a short time. Hold on! Yes, the limb can die – probably – then. His owner probably doesn’t, and that has higher priority.
Arteries bleed with the full power of your heartbeat, and the blood splashes out like a water gun. Therefore, waiting for blood coagulation does not help here (but it helps, of course, if the situation is already under control). The bleeding can shoot through the whole room about 100 times per minute for each heartbeat.
That is why : probably must be sewn.
The arteries are not permanently clamped, but only where they must be severed in order to reach the OP field. Before the wound is closed, the arteries are sewn together again and can then supply the affected area with blood and oxygen again.