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What is (Arterial) Catheter Embolization? 動脈塞栓術

Catheter Embolization also called Uterine Artery Embolization and Transcatheter Arterial Embolization depending on what they are treating for, is a minimal invasive procedure, which doctors will administer a medication called embolic agents through a very thin and flexible tube called, catheter, into a blood vessel to block blood flow to a certain area of the body. This procedure can be applied to a wide range of patients and to almost any part of the body to control or prevent abnormal bleeding, close off vessels supplying blood to a tumor, eliminate abnormal connections between arteries and veins, or treat an aneurysm.

Who is beneficial to get Catheter Embolization?

  • Patients with tumors that cannot be removed by surgery
  • Patients who are not well enough to have surgery

Benefits of an embolization procedure

  • Highly effective at stopping and preventing bleeding
  • it decreases menstrual bleeding, as well as pressure urinary frequency and constipation
  • It reduces bleeding from a large tumor during surgery
  • Bleeding from traumatic injury
  • Gastrointestinal bleeding, such as ulcer or diverticular disease
  • Minimal invasive procedure, which means less burden on your body and less time in hospital! Patient normally stay overnight.
  • Treats areas that that are difficult for surgeons to reach safely
  • Make certain surgery, ablation, chemotherapy and radiation therapy more effective and safer
  • Less damage to the body – one small cut for inserting a catheter tube
  • It improves quality of life by reducing symptoms caused by a tumor that cannot be removed by surgery. For example, relieving pain or controlling the symptoms of advanced kidney cancer, as a palliative treatment
  • Cutting off blood supply to a tumor to make it shrink, slow growth, or die

Example of cancers; liver cancer, kidney cancer, neuroendocrine tumor

  • Correcting abnormal connection between veins and arteries

These connections prevent blood from fully circulating and delivering oxygen where it is needed

  • Treating aneurysms, uterine fibroids

Decreasing the size of tangled non-straight veins to reduce pain and swelling

Why you should come to Japan for the procedure

We should like to introduce Dr Hori Shinichi, the Chairman and President of the IGT clinic in Osaka. Dr Hori specializes in the endovascular treatment of cancer, and the IGT clinic is one of the few clinics in Japan that focuses on cancer treatment using Arterial Catheter Embolization. They have performed more than 10,000 cases of cancer treatment using Arterial Catheter Embolization. Many patients visit their clinic domestically and internationally. They apply this technique not only for liver cancer but also for breast and lung cancer. They have learned conference and thesis and have adopted the treatment techniques to apply for a variety of cancers. They have seen many patients who were told “short life expectancy” from other hospitals, but after the treatment, they were able to live in good health for many years. They are also making efforts to introduce this technique to overseas. In 2016, over 45 doctors from China visited their hospital, and Dr Hori also have been visiting China every year for last 10 years to give lectures.

Target diseases for (arterial) catheter embolization

  • Liver cancer
  • Kidney cancer
  • Lung cancer
  • Uterine cancer
  • Bladder cancer
  • Bone Tumor
  • Brain Tumor
  • Liver Ulcers
  • Adrenal Gland Tumor


  • Bleeding due to liver, spleen and kidney injury and pelvic fracture
  • Bleeding due to rupture of liver cancer
  • Bleeding due to tumor, ulcer, vascular lesion
  • Bleeding due to lung cancer, bronchiectasis
  • Refractory nose bleeds
  • Idiopathic bleeding
  • Postpartum hemorrhage
  • Bleeding due to rupture of an aneurysm and vascular malformation

How effective is the procedure?

  • Fibroid Tumor – 85%
  • Clinical success rate for cancer-related bleeding and non-cancer-related bleeding – 100%
  • Recurrently bleeding – 16%, clinical failure – 0.003%


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