First, the doctor prepares a "sterile field" means a tube that is put to enter into a large vein that goes directly to the heart, so it is important to avoid anything that may cause infection! In practice very well not only disinfects the point where it will make the sting, but a much wider area, and then cover everything with sterile drapes, leaving only the area where it should "work." Probably the drape will cover face: if it bothers you just say so. It is important that you move later, while the doctor is working!
Then there will a bit 'of local anesthetic in the area where the cannula and the points put into place. The local anesthetic burn a little 'while injecting, but after that you will not hear anything. You will hear only push, and maybe a little 'wet if it comes out a little' blood. State property, if there is any problem (you sick or itchy nose or drape bother ...) say it without moving, and avoid making deep Sigh. Note that, contrary to the veins on his arms, the deep vein in which the physician must put the cannula can not see or hear from the outside: the doctor knows where but sometimes has to look a bit '. Be patient and you will see that a procedure will be faster than you think.
After placing the cannula, we must fix it. The Hohn attaches easily, with stitches, skin, or with a special adhesive plaque (which is much better than the point!). The Groshong is "tunneled", ie it passes under the skin until it discloses, in general, in front of the sternum: in this way is much more difficult to move or remove. For the Port needs to be done instead of a "pocket" under the skin in which to put the small "reservoir" that connect the cannula, then it all ends with absorbable points, or who removes After a few days. ALL of these maneuvers are performed under local anesthesia if you say it wrong! Remember that pain is not something that "we have to endure," except for brief moments: means there is no pain! But if you do not tell doctors and nurses who have pain they can not help you.
Once placed your venous access, we will do a chest X-ray. The plate has two purposes. First, confirm that the cannula is positioned well. Also check that you have not accidentally "pierced" the pleura, which is a kind of "bag" that surrounds the lungs and holding it under vacuum "suction": if you pocket the pleura, the lung tends to collapse, more or less important (the so-called "pneumothorax"). The doctors are always very careful not to pierce the pleura, but unfortunately sometimes it can happen. If the pneumothorax is small in general is reabsorbed by itself, if it is a bit 'bigger, doctors will take the necessary steps.
If the chest X-ray is in place, congratulations! Do you have a well-placed central venous access and use, and peripheral veins of the arms and legs will thank you! Remember that these catheters should be washed regularly and heparin: that even if there are long periods when you do not do therapy or any levy you have to go every now and then to "wash" the cannula (injection of saline, sterile water in practice) and put a blood thinner, heparin, so the blood does not clot plugging the cannula. A clogged tube is unusable and must be replaced: so be careful!
Another thing to watch out for Hohn, and Groshong, is to clean the site of insertion of the cannula and the points. Not "pasticciatela" and always keep it very clean and covered with a sterile dressing, and reported to the nurse if by chance you hurt or becomes red and swollen: infections, here are a trouble to avoid. With just these few
attention and your tube will last a long time, and you will see that will make your life a patient much easier ...
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