commissurotomy /com·mis·sur·ot·o·my/ (-ot´ah-me) surgical incision or digital disruption of the components of a commissure to increase the size of the orifice; commonly done to separate adherent, thickened leaflets of a stenotic mitral valve.
commissurotomy
commissurotomy
com·mis·sur·ot·o·my (k m  -sh -rt -m , -s-)n. 1. Surgical division of a commissure, fibrous band, or ring. 2. See midline myelotomy. |
commissurotomy
[kom′ishoo͡rot′əmē]
Etymology: L, commissura, a connection; Gk, temnein, to cut
the surgical division of a fibrous band or ring connecting corresponding parts of a body structure. A commissurotomy is commonly performed to separate the thickened, adherent leaves of a stenosed mitral valve.
commissurotomy
surgical incision or digital disruption of the components of a commissure to increase the size of the orifice.
mitral commissurotomy
the breaking apart of the adherent leaves (commissure) of the mitral valve.
commissurotomy
Surgery The surgical splitting of a commissure–eg in the brain or cusps of heart valves. See Percutaneous transvenous mitral commissurotomy.
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