page_title: Sympathicolysis
hierarchical_section_title: Sympathicolysis
caption_attribution_description: Deutsch: Sympathikolyse unter CT-Kontrolle. Der Patient liegt auf dem Bauch. Im oberen Bild ist die Injektionsnadel mit der Spitze hinter der Aorta erkennbar. Das untere Bild zeigt die Kontrolle der Verteilung des mit Kontrastmittel markierten Lysebolus.
context_page_description: Sympathicolysis is a procedure for temporary or long-term elimination of sympathetic innervation. It is used to improve blood circulation in the legs or arms. The sympathetic nervous system causes the balance of the autonomic system to lean towards narrowing of blood vessels, with elimination of its function resulting in vasodilatation. Completely blocked arteries are not opened again, but the collaterals are better supplied with blood.
  To improve the blood circulation to the upper extremities, an anesthetic block of the stellate ganglion is performed. Due to this blockage, in addition to vasodilatation, in the entire innervation area this leads to reduced sweating and Horner's syndrome. The latter is a sign of successful blockade. A temporary blockade of the stellate ganglion is performed for e.g. the treatment of advanced complex regional pain syndrome. Surgical elimination of the stellate ganglion is a treatment of last resort for Raynaud's disease.
  The sympathetic plexus can also be blocked in other parts of the body.
context_section_description: Sympathicolysis is a procedure for temporary or long-term elimination of sympathetic innervation. It is used to improve blood circulation in the legs or arms. The sympathetic nervous system causes the balance of the autonomic system to lean towards narrowing of blood vessels, with elimination of its function resulting in vasodilatation. Completely blocked arteries are not opened again, but the collaterals are better supplied with blood.
  To improve the blood circulation to the upper extremities, an anesthetic block of the stellate ganglion is performed. Due to this blockage, in addition to vasodilatation, in the entire innervation area this leads to reduced sweating (anhidrosis) and Horner's syndrome. The latter is a sign of successful blockade. A temporary blockade of the stellate ganglion is performed for e.g. the treatment of advanced complex regional pain syndrome. Surgical elimination of the stellate ganglion (sympathectomy) is a treatment of last resort for Raynaud's disease.
  The sympathetic plexus can also be blocked in other parts of the body. Lying on the major abdominal vessels sympathetic plexus may, for example, under local anesthesia guided by a CT scan it can be turned off by injection of concentrated alcohol (interventional radiology).
caption: Sympathectomy under CT guidance. The patient lies on his stomach. In the first picture the injection needle is visible with its tip behind the aorta. The second image shows the distribution contrast with lysis bolus.
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