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Here you will find everything about the most varied procedures.

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carnevale radiologia intervencionista

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  •   1 - HEPATIC RADIOEMBOLIZATION

    HOW IT IS DONE: Minimally invasive procedure, performed under local anesthesia and thus not requiring hospitalization (day hospital), using spheres loaded with radioactive material (Yttrium-90). This procedure is performed with the endovascular catheterization technique, with deposition of microspheres with Y90 inside the tumor (localized effect).

     

    INDICATION: It is indicated for the treatment of primary or advanced metastatic liver lesions (hepatic tumors), including hepatocarcinomas, metastases of neuroendocrine tumors, breast tumors, colorectal carcinoma, among others. It can be performed in combination with systemic chemotherapy.

     

  •   2 - HEPATIC CHEMOEMBOLIZATION

    HOW IT IS DONE: Procedure performed with endovascular catheterization technique, obstructing the blood vessels that feed the tumors. Chemotherapeutics loaded particles are injected into the liver tumors by intra-arterial route and tumor growth is controlled.

     

    INDICATION: To control some types of liver tumors, notably hepatocellular carcinoma, neuroendocrine tumors and some types of liver tumors with liver metastases. It is used as an alternative or in combination with chemotherapy.

     

  •   3 - PARTIAL SPLENIC ARTERY EMBOLIZATION

    HOW IT IS DONE: It is carried out by splenic artery catheterization with injection of microparticles that will diminish spleen circulation.
     
    INDICATION: It is indicated for the control of hypersplenism (overactive spleen), resulting in high platelet counts (cells that act in the blood coagulation). Thus, there will be less risk of bleeding and better conditions to initiate or continue chemotherapy, as well as to allow the administration of medications that lead to low platelet counts (e.g., drugs for the treatment of hepatitis).
     
  •   4 - EMBOLIZATION OF UTERINE MIOMAS

    HOW IT IS DONE: It consists on the obstruction of uterine arteries that feed uterine fibroids or miomas, by means of the injection of acrylic resin or polyvinyl alcohol microparticles (permanent effect and harmless to the organism). Performed under epidural or spinal anesthesia for definitive treatment of symptomatic uterine miomas.
     
    INDICATION: Indicated as an alternative treatment for women who must remove fibroids or the uterus due to marked bleeding (which can lead to anemia), abdominal pain (usually cramps), increased abdominal volume and even pain during sexual intercourse. There are women who present isolated "Adenomyosis" or in association with uterine fibroids that can also be treated with this same technique.
     
  •   5 - EMBOLIZATION OF PROSTATIC ARTERIES

    HOW IT IS DONE: A minimally invasive technique performed through the endovascular route (artery access by the groin). It is done under local anesthesia and the patient is discharged a few hours after embolization. The goal is to reduce the volume and change the consistency (it becomes softer) of the prostate.
     
    INDICATION: Alternative to the various treatment options (medications and/or surgeries) of obstructive urinary symptoms due to prostate enlargement owed to benign prostatic hyperplasia (BPH). Created by our group in 2008, the procedure is currently recognized as a safe and effective option.
     
  •   6 - PORTAL VEIN EMBOLIZATION

    HOW IT IS DONE: It is performed as a preoperative procedure for patients who will undergo major liver resections due to the presence of tumors.
     
    INDICATION: Embolization of the portal vein (usually of the right branch) main objective is to proportionate the growth (hypertrophy) of the non-embolized liver section, with risk reduction of postoperative liver failure.
     
  •   7 - PREOPERATIVE EMBOLIZATION OF TUMORS

    HOW IT IS DONE: By obstruction of blood flow to tumor lesions, usually using microparticles that will be deposited within the tumors. We highlight the metastatic bone lesions of renal tumors and other origins.
     
    INDICATION: Mainly performed in the case of hypervascular tumors, to control and reduce the risk of intraoperative bleeding.
     
  •   8 - EMBOLIZATION OF ARTERIOVENOUS MALFORMATIONS

    HOW IT IS DONE: Obstruction of vessels (arteries and/or veins) that feed the vascular malformation by means of catheterization and injection of specific embolic agents (occluders).
     
    INDICATION: The treatment allows the volumetric reduction and the control of the symptoms related to these lesions (pain, bleeding, among others). It can still be used as a preoperative step in order to facilitate a future surgical procedure.
     
  •   9 - TRANSPARIETOHEPATIC BILIARY DRAINAGE (WITH OR WITHOUT BILIARY STENT

           IMPLANTATION)

    HOW IT IS DONE: Procedure performed by puncture of the intrahepatic bile ducts (bile duct inside the liver) with a very thin needle.
     
    INDICATION: It is intended to treat obstructive conditions associated with jaundice (yellow mucous membranes, dark urine and whitish feces) and/or cholangitis (bile infectious process) of benign or malignant origin. It can be associated with the implantation of drains or metallic biliary stents to better control the obstruction of the bile channels.
     
  •   10 - LONG-TERM VENOUS CATHETER IMPLANT

    HOW IT IS DONE: Procedure performed under local anesthesia and sedation to access the venous system safely and comfortably for patients who require repeated punctures of the veins. A location is set up for various punctures and medicine intravenous administration.
     
    INDICATION: For patients who need to undergo systemic chemotherapy (Port-a-cath implant) or for patients with acute or chronic renal failure who need to undergo hemodialysis. With the implantation of these catheters, repeated venous punctures are avoided, resulting in comfort and quality of life for patients.
     
  •   11 - TIPS (TRANSJUGULAR INTRAHEPATIC PORTOSISTEMIC SHUNT)

    HOW IT IS DONE: It consists on the development of a definitive communication between the venous systems inside the liver (communication between the portal vein and the hepatic vein) through the implantation of a metallic stent. The procedure is performed under general anesthesia by puncture of the jugular vein (neck).
     
    INDICATION: It aims to control hemorrhagic episodes and ascites (accumulation of fluid in the peritoneal cavity) in patients with portal hypertension related to liver cirrhosis.
     
  •   12 - VENA CANA FILTER PLACEMENT

    HOW IT IS DONE: A metallic device (like an "umbrella") is implanted to prevent or reduce the risk of pulmonary embolism. The filter is implanted by puncture of the femoral (groin) or jugular (neck) vein under local anesthesia or sedation.
     
    INDICATION: In patients with Deep Vein Thrombosis (DVT) who cannot undergo systemic anticoagulation treatment (blood thinners) or who have episodes of pulmonary thromboembolism (clot in the lung) despite adequate anticoagulation.
     
  •   13 - ANGIOPLASTY OF INFERIOR MEMBERS (LEG ARTERIES)

    HOW IT IS DONE: Usually performed under local anesthesia and with shorter hospitalization time than conventional surgical procedures. The catheterization of the partially or totally obstructed artery is performed, and is followed by clearing of the obstructed site by dilation with an angioplasty balloon and/or by implanting a metal stent (similar to the one used in the heart).
     
    INDICATION: The procedure is aimed at clearing of lower limbs obstructed arteries to improve/increase blood flow. The aim is to treat ischemic symptoms (due to lack of blood supply) in the arteries of the legs caused mainly by smoking, diabetes and atherosclerosis.
     
  •   14 - RENAL ARTERY ANGIOPLASTY

    HOW IT IS DONE: Implantation of a stent (obstruction due to atherosclerotic plaque) or balloon (obstruction due to fibromuscular dysplasia) in the renal artery, thus preventing its obstruction and improving blood flow to the kidneys.
     
    INDICATION: Indicated for the clearance of the renal arteries, when associated with arterial hypertension refractory to drug treatment and/or worsening of renal function. If employed at the right time, it may possibly avoid dialysis.
     
  •   15 - ENDOVASCULAR CORRECTION OF AORTIC ANEURYSM

    HOW IT IS DONE: It is performed with two small cuts (1.0 cm on each side in the groin area) and puncture of the femoral arteries for the introduction and implantation of the prosthesis (tissue-covered metal structure that will prevent the aneurysm from growing and rupturing). The procedure is safe, effective and performed with very short hospitalization time, under local anesthesia and sedation or general anesthesia.
     
    INDICATION: Minimally invasive treatment of patients with aortic (thoracic or abdominal) aneurysms who are at risk of rupture or complications due to emboli/thrombi present within them.
     
  •   16 - EMBOLIZATION OF VISCERAL ARTERY ANEURYSM

    HOW IT IS DONE: Implantation of coated stents (which are covered by a tissue that prevents blood from flowing into the aneurysm) or metal springs (made from materials such as nickel, titanium or stainless steel) to obstruct the aneurysm thus preventing it from rupture.
     
    INDICATION: Aneurysms with a high risk of rupture (larger than 2 cm, with rapid growth in the last months or that are causing pain or some other type of symptom). The most common occur in the splenic (spleen), mesenteric (intestine), hepatic (liver) and renal (kidney) arteries. This technique presents some advantages compared to traditional surgeries such as lower risk and shorter recovery and hospitalization periods.
     
  •   17 - HEPATIC BIOPSY

    HOW IT IS DONE: It can be performed by the percutaneous transparietohepatic (between the ribs) or transjugular (vein of the neck) routes. It consists on the removal liver fragments (tissue samples) for laboratory analysis to help diagnose a variety of hepatic disorders and diseases.
     
    INDICATION: When a fragment of the liver is necessary for evaluation of its cells and diagnosis of possible diseases. The transjugular biopsy is performed in cases where there is a high risk for the traditional biopsy (transparietohepatic), such as when there are blood coagulation defects or ascite (accumulation of fluid in the peritoneal cavity).
     
  •   18 - BRONCHIAL ARTERY EMBOLIZATION

    HOW IT IS DONE: A catheter is inserted through the groin for the evaluation of bronchial arteries (inside the lungs). The arteries are clogged using embolizing agents (microparticles or liquids) at the site of bleeding.
     
    INDICATION: Management of hemorrhagic episodes (hemoptysis or bloody sputum) related to pulmonary diseases, mainly bronchiectasis, tuberculosis and tumors. With this technique, lung resection surgery can be avoided.
     

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