argon plasma coagulation


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argon plasma coagulation

An electrosurgical method whereby argon gas is ionised by an electric current to create a noncontact, homogeneous "bridge" to target tissue for coagulation or ablation.

argon plasma coagulation

Abbreviation: APC
The destruction of tissues with heat generated by applying an electrical current to an argon plasma. The plasma distributes heat to a minimal depth so that only superficial structures are coagulated while deeper ones remain undisturbed. APC is used in several applications, e.g., in the destruction of some superficial cancers and in the treatment of some stenoses that have formed within normally hollow organs, such as the trachea.
See also: coagulation
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Equipment polypectomy and argon plasma coagulation for interventional endoscopy units.
Last published as Manual of gastroenterologic procedures in 1993, the fourth edition adds chapters on endoscopic ultrasound, fine needle aspiration biopsy, Stretta, Enteryx injection, and argon plasma coagulation.
The endoscopic and histologic ablation rates for patients who underwent multipolar electrocoagulation were 88% and 81%, respectively; the endoscopic and histologic ablation rates for patients who underwent argon plasma coagulation were 81% and 67%, respectively.