Parachute mitral valve

A parachute mitral valve is a valvular congenital abnormality usually identified in infants or young children though is can present later in adulthood.

Pathology

Parachute mitral valves occur when all the chordae tendineae are attached to a single papillary muscle origin. Unlike the normal situation where there are two papillary muscles providing attachment to the two leaflets, this single origin means the valve has limited opening thus causing a relative obstruction. When presenting in infancy, the condition usually progresses to mitral stenosis.

Associations

It may occur as a single anomaly but is recognised as part of the Shone complex.

Other recognised associations include a:

See also

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Article information

rID: 18013
Synonyms or Alternate Spellings:
  • Parachute mitral valve

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