The blood vessels of the kidneys what is it, preparation and conduct

Doppler ultrasonography of the kidney vessels is an auxiliary assessment created to study the urinary system, in specific the arteries and veins of the kidneys. The method is utilized when you require to understand their condition. Doppler ultrasonography makes it possible to see how the vessels lie inside the kidneys, learn the size, size, and likewise the rate of blood circulation in them.

What is the function of recommending ultrasound scan of kidney vessels

This method is based upon the reality that red blood cells show ultrasound. A specifically established sensing unit takes these responses, transforms them into present pulses, and then the image is showed on the screen.

It will be possible to see arteries and veins on the screen, while there is no disturbance with their work (penetration into the kidney is not needed). Another research study permits you to acknowledge when blood circulation modifications due to convulsion, stenosis of blood vessels, or the development of blood embolisms in them.

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USDG of kidney vessels makes it possible to identify the existence of such pathologies:

  • The quantity of blood that goes through the vessels of the organ reduces.
  • The size of the vessels is less than regular.
  • Blood circulation issues (speed modifications)
  • Disorders due to atherosclerosis.

Experts encourage to perform Doppler ultrasonography of the vessels of the kidneys in the existence of such signs:

  • Lower neck and back pain (on the sides of it)
  • Increased blood pressure (provoking elements not recognized)
  • Falls that triggered a rupture or injury to an organ.
  • Renal colic.
  • Pronounced swelling, which is brought on by pathologies of the heart and blood vessels.
  • Toxicosis throughout pregnancy (just the sign that manifests itself in the 3rd trimester is considered).

In addition, ultrasound of the vessels is carried out in order to keep an eye on the condition of the kidneys after their transplant surgical treatment or in cases where it is required to clarify the medical diagnosis, and basic ultrasound did not offer outcomes.

For children, an ultrasound scan is likewise recommended to identify genetic malformations in the advancement of blood vessels or to determine reflux (due to the fact that of it, fluid from the bladder gets in the organs situated above).

Preparation prior to the treatment

The client should be trained prior to the treatment. This is due to the fact that the kidneys, together with their veins and arteries, lie deep enough in the stomach of the body that they can be challenging to imagine.

The fundamental guidelines for preparation are as follows:

  • A week (a minimum of 2 days) prior to the prepared treatment, you should follow a diet plan. This will avoid gas development.
  • Two days prior to the assessment, it is needed to begin taking drugs from the group of enterosorbents. They will likewise avoid the development of gases.

But prior to changing to a brand-new diet plan and taking medications, you require to speak with a medical professional, considering that in some persistent illness such modifications are contraindicated.

Usually the assessment is performed in the early morning. The client should not consume prior to the treatment. If it is arranged for the afternoon, then the minimum interval in between the last meal and the treatment is 6 hours. Otherwise, UZDG will not offer the required details due to visualization issues.

If an individual goes through a detailed assessment, then it should be kept in mind that the ultrasound scan is restricted after colono- or fibrogastroscopy. This is due to the reality that after such treatments, air constantly gets in the gastrointestinal system. It will make it challenging to imagine.

How is the ultrasound scan carried out

Doppler ultrasonography of the vessels of the kidneys is thought about an entirely safe approach. It does not use to intrusive treatments. All controls can be performed in 2 positions. This is currently picked by the medical professional and the client. After preparation, the client needs to either rest on the sofa or rest on it, resting on his side.

After that, in the location where the forecast of the kidney is situated, the medical professional rubs an unique gel into the skin. Then the sensing unit will have much better contact with the client’s body. The expert relocations the gadget throughout the skin to discover a more comfy angle. At this time, images will right away appear on the screen.

The assessment does not trigger pain (pain, itching, etc.). The entire treatment takes around 40 minutes. After that, there are no limitations, so that an individual can begin his company.

Results of the study

The medical professional carries out the treatment, after which he submits an unique type. It need to consist of details about the client, in addition to the outcomes of the assessment (the state of the kidneys and their vessels).

In a healthy individual, the outcomes will be as follows:

  • The buds on both sides are formed like beans.
  • In the image, the lays out of the kidneys are even, plainly noticeable.
  • The density of the external layer of organs is around 1,5 mm.
  • Dimensions of the right and left kidney are equivalent, however minor distinctions are permitted (optimum 20 mm)
  • Cups and hips cannot be seen.
  • Renal and hepatic echogenicity is around the very same.
  • When an individual breathes, the kidneys alter their position by an optimum of 3 cm. In basic, the left one is constantly situated a little greater than the right one.
  • In the primary artery, the resistance index is 0,7, and in the vessels of the interlobar type, it is in the variety of 0,3-0,75.

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The size of the primary artery need to be around 4,5 mm, and for segmental vessels, 2,2 mm each. For interlobar ones, it is about 1,5 mm, and for arc ones – as much as 1,1 mm.

The systolic blood circulation rate need to be as follows:

  • For the primary artery as much as 80 centimeters per second.
  • For segmental – as much as 50 cm/sec.
  • For interlobar – as much as 35 cm/sec.
  • For arc – an optimum of 26 cm/sec.

The rate of diastolic blood circulation in a healthy individual need to be as follows:

  • For the primary artery as much as 38 centimeters per second.
  • For segmental – as much as 25 cm/sec.
  • For interlobar – as much as 18 cm/sec.
  • For arc – an optimum of 12 cm/sec.

In addition, throughout the assessment, the medical professional omits abnormalities in the advancement of the organ and its vessels, checks their condition. As for the latter, an individual might have aneurysms, thickening and thinning, ruptures. You likewise require to inspect the lumen of the vessels (exist any constrictings, and what triggered them). Additionally, throughout the treatment, you can study the measurements of the adrenal glands and the state of the fiber in this location of ​​the trunk.

Doppler ultrasonography of kidney vessels is thought about a universal approach that permits you to determine most issues. Another benefit is the lack of complex and long preparation prior to the treatment.

In addition, kidney vascular Doppler ultrasonography is a non-invasive treatment and needs little time. The approach does not trigger adverse effects and issues, there are no contraindications.

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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.