Ureteral stenting what is it, types and application

Ureteral stenting is among the most often recommended medical urological treatments, which consists in the intro of an unique tube into the ureter, which is made from metal mesh and is placed utilizing an unique guidewire.
This control is always performed by a physician under the control of a cystoscope, in order to properly figure out the location of the ureteral contortion and properly place the stent, when it is set up, an unique balloon on television is pumped up and then got rid of, and the staying stent holds the walls of the ureter, avoiding its constricting and contortion.

Types of stents: distinctions and scope, primary qualities

There are a substantial range of urological stents, they differ in length and size, structure and setup.
The most hassle-free and commonly utilized tubes are made from a mix of silicone and polyurethane; such tubes are simple to flex and take the needed shape.

Silicone stents, in turn, are less labile to the action of numerous compounds consisted of in the urine, and the downside of their usage is numerous issues in setup and fixation in the needed position.
If the longest usage is needed, it is suggested to utilize metal stents.

They are compressed into the needed area, and after insertion, they are increased to the preferred size. The primary benefit of such tubes is that they are extremely rapidly covered with epithelial cells, therefore avoiding the advancement of such a powerful issue as stent displacement.

If the reason for ureteral blockage is a neoplasm, then a self-expanding tube is suggested. These tubes avoid unusual cells from getting into the ureteral wall and displacing the stent. Also, a thermoplastic stent with shape memory is typically utilized, the concept of insertion of such tubes is a little various from a lot of and is as follows: prior to usage, the stent is cooled to 10 degrees, after which it ends up being softer, after offering the needed size it is heated up to 50 degrees and rapidly placed into the required location of the ureter.

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Indications and contraindications for the treatment

It is crucial to bear in mind that there are numerous indicators for carrying out such urological control, the primary of which are:

  • Benign prostate growth.
  • Urolithiasis throughout a worsening (urolithiasis)
  • Neoplasms in the ureter or kidneys.
  • Various adhesive procedures.
  • The existence of persistent inflammatory procedures in the organs of the urinary system,
  • Lymphomas and lymphadenopathy of the ureter.
  • Various pathological procedures in the urinary system throughout pregnancy.

Moreover, in each particular case, the choice on the requirement to perform this treatment is chose just by the physician.

There are likewise a variety of contraindications for this medical control:

  • The existence of any contagious, inflammatory procedures in the pelvic organs, throughout a worsening.
  • Feverish states.
  • Various injuries of the urethra.

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Complications of control

When carrying out stenting, just like any medical treatment, there is a danger of problems that urological clients require to understand about:

  • Soreness when urinating.
  • Detection of a percentage of blood pollutant in the urine.
  • Increased desire to urinate

    The above possible problems are not always a factor to eliminate the stent, due to the fact that they are periodic and quickly vanish, however if they take place, you still require to be analyzed and sought advice from by a urologist.
    Removal of television is required in case of the advancement of problems that threaten the client’s life and health, the most powerful of which are:

    • Development of the inflammatory procedure after the treatment.
    • Erosion and pressure ulcer of the ureter, fistula development.
    • Destruction of television for numerous factors.
    • Displacement and motion of the stent.

    The duration when television is in the ureter is specific and depends upon the illness itself, each specific client and the product from which the stent was made. Moreover, even the most contemporary stents are suggested to be utilized for a duration not surpassing 6 months. It need to be kept in mind that a stent eliminated in time offers an opportunity to prevent the advancement of numerous problems.

    Removing television

    The extraction treatment is rather quickly, it is carried out by a urologist under regional anesthesia: a cystoscope is placed into the urethra, the external end of television is understood by the instrument and highlighted.

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    After getting rid of television, the client is under required observation and routine control of all lab information for one to 2 weeks, a basic urine test is definitely recommended every 3-4 days. Immediately after the treatment, there might be a burning feeling in the urethra and agonizing urination, which ought to quickly vanish. All signs that take place after elimination must be reported to the going to doctor.

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    Tatyana Jakowenko

    Editor-in-chief of the Detonic online magazine, cardiologist Yakovenko-Plahotnaya Tatyana. Author of more than 950 scientific articles, including in foreign medical journals. He has been working as a cardiologist in a clinical hospital for over 12 years. He owns modern methods of diagnosis and treatment of cardiovascular diseases and implements them in his professional activities. For example, it uses methods of resuscitation of the heart, decoding of ECG, functional tests, cyclic ergometry and knows echocardiography very well.

    For 10 years, she has been an active participant in numerous medical symposia and workshops for doctors - families, therapists and cardiologists. He has many publications on a healthy lifestyle, diagnosis and treatment of heart and vascular diseases.

    He regularly monitors new publications of European and American cardiology journals, writes scientific articles, prepares reports at scientific conferences and participates in European cardiology congresses.