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Applications And Need Of Doppler Ultrasound Test

Doppler ultrasound, or simply Eco Doppler, is one of the types of ultrasound that, based on the use of ultrasound, uses the Doppler effect.

In the case of ultrasound, the sound waves leave the ultrasound through the transducer, and bounce off the moving blood, generating different waves depending on the direction and speed of the blood flow. When the blood approaches the ultrasound the frequency will be higher and when it moves away less, this alteration in the ultrasound waves is interpreted by the ultrasound and it assigns a specific colour for each frequency, red, blue and yellow.

Through this method and thanks to this physical principle of sound waves, it is possible to evaluate the flow of vascular structures of any part of the body, being able to determine its existence, its speed and direction of flow.

Why is it important to perform a doppler ultrasound?

The Doppler ultrasound allows to know the amount of blood flow circulating through cavities and veins baby. Its importance is that its results can tell you how much blood is pumped with each beat, thus determining the good state of the baby's heart, in addition to corroborating that the blood is reaching the foetus correctly, and with it the oxygen and the nutrients

But not only important is that sense. Its realization can help detect cardiac malformations in the foetus, problems with the umbilical cord and placenta, so that you and your gynaecologist begin to act quickly, or you can simply rule out these types of problems and make sure that your baby will be born healthy.

When do you have to have a Doppler ultrasound?

This test is usually done to all pregnant women in the third trimester, starting at the 25th week of pregnancy. However, Doppler ultrasound is a non-mandatory quarterly test, which can also be done in the first and second trimesters if the gynecologist considers it necessary.

The cases in which the doctor can recommend you to do this ultrasound are the following:

In case it is suspected that there is a growth delay in the foetus. In this circumstance the doppler ultrasound is very useful to control that the baby receives blood, oxygen and nutrients correctly. In addition, it will also help to know if there are significant blood disorders to anticipate the time of delivery or to predict whether there will be a premature delivery.

If your pregnancy is listed as a risk pregnancy it is recommended that you have an ultrasound of this type in each trimester of pregnancy.

If you suffer from hypertension, what is known as preeclampsia, or you have circulatory problems in the veins. In these cases, if you decide to have this test, you will rule out that your problems are affecting the correct development of the baby.

In the case of heart disease, Doppler ultrasound also works, as you can see if this problem can affect the growth of your baby. This test is performed with the accompaniment of an echocardiogram.

If you plan to go through surgery, Doppler ultrasound is also necessary, since thanks to the study of the flow of the area to be operated you can see if there will be complications a priori.

Prostate Cancer: How to Determine and What to do after this?

The stage of diagnosis of prostate cancer begins with the appointment of an urologist or oncologist. As a rule, by this time the patient suspects the disease according to the parameters of the PSA test, or after a routine examination of the urologist.

The diagnosis of prostate cancer is always based on histological findings. For this, a puncture or saturation biopsy is performed.

For the most effective treatment of prostate cancer requires accurate information about the localization of cancer. Therefore, the diagnostic labs use a number of PET-CT examinations, shown in prostate cancer. PET-CT is used not only at the stage of diagnosis, but also when calculating the radiation dosimetry plan and when evaluating the effectiveness of targeted therapy. The specialists of the hospital have a unique experience in the use of PET-CT with radioisotope sensitive to prostate cancer.

This examination determines prostate cancer with low PSA, when cancer spreads to the lymph nodes and is particularly effective in tracking the recurrence of the disease after surgery or radiation therapy. PET-CT with PSMA allows doctors to more accurately conduct diagnostics and select optimal treatment for the patient, taking into account its effectiveness and preservation of quality of life. The information on the exact location of the cancer is extremely important for the surgeon when deciding on the operation.

At the stage of diagnosing prostate cancer, it is important to obtain accurate information about the disease, for further treatment planning.

As part of routine physical examinations, men usually undergo a PSA (Prostatic Specific Antigen) test to test prostate cancer. The moment of truth comes when indicators are high, indicating the possibility of cancer. What to do in this case? Do you want to retake the test? To make a painful biopsy? And the worst thing is- what if the diagnosis is confirmed? Quickly start treatment, at the risk of causing impotence and incontinence?

Still more complicating is the fact that there is no clear consensus among experts on testing and treating prostate cancer. Many of them are generally against the PET CT scan, since the results usually lead to unwanted biopsy and unnecessary treatment.

Prostate cancer develops so slowly that only 15-20% of men are really in danger, but it was still impossible to distinguish between moderate cancer and life-threatening cancer, so we in vain treated somewhere 85% of men, putting them under the threat of impotence and incontinence almost without reason.

Ultrasound can measure the size of the prostate for biopsy, and color Doppler ultrasound captures an increased flow of blood that helps determine the cancer. The new technology also allows you to consider specific suspicious areas for biopsy.

If you have an elevated PSA, experts recommends:

  • Ask your doctor to perform a rectal examination to check if there are any swelling or disturbances and to pass an ultrasound to measure the size of the prostate;
  • If there is a suspicion of an infection, take a course of antibiotics and do a repeat PSA test;
  • MRI prostate using 3.0 Tesla. This technology determines cancer tumors with an accuracy of 85-90%, even very tiny, with a size of 5mm.
  • Make color ultrasound dopplerography.
  • Only then make a biopsy using information from MRI and Doppler ultrasound so that doctors can get more accurate results.

If you decide to undergo treatment, get a second opinion and discuss options for robotic prostatectomy, proton radiation and cryotherapy.

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