commissurotomy


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commissurotomy

 [kom″ĭ-sher-ot´ah-me]
surgical incision or digital disruption of the components of a commissure to increase the size of the opening.
mitral commissurotomy the breaking apart of the adherent leaflets (commissure) of the mitral valve, a formerly common treatment for mitral stenosis.

com·mis·sur·ot·o·my

(kom'i-shūr-ot'ō-mē),
1. Surgical division of any commissure, fibrous band, or ring via an incision or disruption, for example, balloon inflation.
2. Synonym(s): midline myelotomy

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

(kŏm′ə-sho͝o-rŏt′ə-mē)
n. pl. commissuroto·mies
Surgical incision of a commissure in the body, as one made in the heart to relieve constriction of the mitral valve or one made in the brain to treat seizure disorders.

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

Surgery The surgical splitting of a commissure–eg in the brain or cusps of heart valves. See Percutaneous transvenous mitral commissurotomy.

com·mis·sur·ot·o·my

(kom'i-shŭr-ot'ŏ-mē)
1. Surgical division of any commissure, fibrous band, or ring using surgery or a balloon catheter technique.
2. Synonym(s): midline myelotomy.

commissurotomy

Cutting of any COMMISSURE, especially the midline transverse nerve tract bundle that connects the two halves of the CEREBRUM.

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.
References in periodicals archive ?
Percutaneous transluminal mitral commissurotomy (PTMC) has become the treatment of choice for patients with symptomatic rheumatic mitral stenosis (MS).
With the introduction of surgery and Percutaneous mitral valve commissurotomy (PTMC) the natural history of mitral stenosis has markedly altered.
There are a few case reports in the literature on PTMC in similar settings (1-6) due to the fact that many of these patients undergo surgical commissurotomy due to the technical difficulties involved (7,8).
Effects of percutaneous mitral commissurotomy on longitudinal left ventricular dynamics in mitral stenosis: quantitative assessment by tissue velocity imaging.
Bilateral cross-integration by human forebrain commissurotomy subjects.
If severe stenosis is recognized prior to conception, balloon valvuloplasty or a surgical commissurotomy should be considered.
These subtests were chosen on the basis of converging evidence from studies on patients with unilateral cerebral lesions, on patients with complete forebrain commissurotomy, and on normal participants suggesting that verbal and sequential skills are primarily related to the left hemisphere whereas visuospatial skills are primarily related to the right hemisphere (Gordon, 1986).
Essay 2 discusses competing interpretations of Kant, essay 4 articulates nonconceptual forms of self-consciousness, essay 5 offers fresh interpretations of commissurotomy patients' behavior, essay 6 develops an objection to Wittgenstein on rule following, essay 8 attacks an alleged assumption of externalism, and chapter 10 explores the possibility of combining a "motor theory" and a "control theory" of perception.
Cerebral commissurotomy in man: Minor hemisphere dominance for certain visuospatial functions.
Such differences may be important in unusual cases, such as Multiple Personality Syndrome and commissurotomy, and may affect personal identity over longer periods of time.
Language functions in the two hemispheres following complete cerebral commissurotomy and hemispherectomy.