I will describe, especially to professionals involved in vascular access, how recently occluded veins can be recanalized to implant a haemodialysis catheter. We recommend that it be a permanent one.
- vascular accesses
- thrombosed vein
The depletion of vascular accesses for haemodialysis is seen in some patients who reach this situation due to multiple causes [1, 2] such as procoagulant factors, lack of good management of their accesses, lack of resources, etc.
In these cases, the skills of the surgical team to respond must be technically sharpened.
When a patient is without vascular access and cannot dialyze, it is an extreme situation.
It is understood that a patient does not have vascular access when not even a catheter can be implanted to be able to dialyze.
That is, there is occlusion or inability to progress a catheter through the following veins:
1.1 Options for implanting a catheter in these conditions
Where do wrong decisions bring bad results? The following options are the most common ones for implanting a permanent catheter. In some cases, this catheter can be connected to a prosthesis to make a fistula.
There are not many options to do this; some of the possible options are listed below:
Direct puncture of the superior vena cava 
Transliver puncture ,
Sternotomy or thoracotomy for direct access to the right atrium.
All of these options are not the subject of this chapter.
2. Implant a catheter through a thrombosed vein
I recommend that these practices be done by a surgeon who often performs haemodialysis accesses, or by an operator in conjunction with a surgeon, so that if a complication occurs he/she can resolve it or use a different tactic.
There must be an operating room equipped with an echo doppler equipment, good quality fluoroscopy, specialised human resources, a variety of guide wires, catheters, dilators, and a complete set of cardiovascular surgery  (Figure 1).
Given this situation and the fact that the patient is young, I implant catheters through any of the veins mentioned above, either because they have a central occlusion or because they are directly thrombosed throughout their entire course. Often I have been able to implant catheters in those with recent occlusion (Figures 2–4).
Occluded veins with a long time of evolution is usually fibrosed and it is difficult or impossible to cross with the guide wire.
2.1 I’m going to talk to you about this topic very specifically
These patients, usually in the superior veins, have had a stent placed, Figure 3, or an angioplasty done previously, which makes it even more difficult.
Less frequent in the lower limbs, which is reserved as a last option.
2.2 So what is the basis of puncturing thrombosed veins to be able to pass with a catheter?
The rationale is that veins, especially those recently occluded and therefore thrombosed, at some point have loose tissues, enough to pass with a wire guide, which can be helped with catheters or dilators.
The recent occlusion of the vein in arteriovenous fistulas in repair surgeries is shown. Through the small hole or loose tissue, seen in the images, the passage can be opened to advance a guide wire and then a catheter when a thrombosed vein is punctured (Figures 5–8).
All manoeuvres must be done carefully.
In order to move forward, you have to take the time that is necessary.
It is recommended that surgeons do this procedure, because if there is any complication at the moment that requires surgery, it can be solved by the operator himself.
Or in case you need open surgery to pass the catheter, a surgeon’s help is required.
3. Step-by-step explanation of the procedure
3.1 First step
Perform antisepsis, and surgical fields are placed as for any surgery in the areas that the surgeon considers (Figure 9).
3.2 Second step
Puncture of the occluded vein guided by doppler ultrasound and positioning of the guide wire (Figure 10).
I prefer to puncture the vein in a place where it is as straight as possible to be able to pass the guide.
That is to say, I prefer to puncture the vein in the right internal jugular vein and both femoral veins, the left subclavian and jugular vein, we have the innominate vein curve, and for the right subcalvia a curve of almost 90 degrees to enter the cava.
3.3 Third step
Introduce the needle guided by ultrasound, until it is certain that it is inside the vessel in the middle of the thrombosis. Then introduce a guide wire. Also this has to be verified by ultrasound (Figure 11).
3.4 Fourth step
Continue the progression of the guidewire under fluoroscopic control, testing the different types of guidewires, depending on the experience of the operator. In this step, it always helps to advance the guidewire with fine dilators.
It also helped me by injecting contrast to see that anatomically we are in the.
3.5 Fifth step
Once the guidewire is sent into the superior or inferior vena cava, and there are no more obstacles, gradually thicker dilators are advanced (Figure 15).
3.6 Sixth step
The dilator is inserted with the sheath that corresponds to each catheter. Depending on the case, a double lumen catheter or two catheters are used.
It can happen that the catheters do not progress through the sheaths, because the strictures are very rigid.
In that case I used thinner catheters inside the haemodialysis catheter. This step can be very cumbersome; so you also have to take it easy and use all your resources and skills to get the catheter where it needs to go (Figures 16 and 17).
Some brands of catheter brings thinner semi-rigid catheters for these cases, and they are inserted with 2 guide wires and 2 semi-rigid catheters, one for each lumen (Figure 18).
3.7 Seventh step
More adequate tunnelling, either with a tunneller that comes with the kit, or with an incision of the necessary size, since some catheters must first be tunnelled and then inserted; this is not possible in these cases because you have to push directly and not through a tunnel.
4. Continue with dialysis
In this way, we can continue with dialysis on these patients, and it gives us time to perform an arteriovenous fistula somewhere.
It is not a quick procedure; it requires a lot of patience, previous planning, especially, questioning the patient about his history of vascular access, a meticulous physical examination, and rigorous examination with echo doppler.
Currently, we have several patients operated in this way; I consider it an acceptable technique to save lives with a procedure that until now has had no complications.
To my Family who support me many and many hours in the operating room.
To my colleagues who trust their patients in my hands.
To patients who trust their lives in our hands.
Conflict of interest
The authors declare no conflict of interest.
All images are my property.
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