Spectrum of congenital mitral valve abnormalities associated with solitary undifferentiated papillary muscle in adults

Mohan, Jagdish C.; Shukla, Madhu; Mohan, Vishwas; Sethi, Arvind

doi:10.1016/j.ihj.2015.12.014

Cited by 4 publications

(8 citation statements)

References 18 publications

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“…It is well known that mitral valve repair is superior to mitral valve replacement in terms of long-term prognosis. However, the results of the mitral valvuloplasty for PMV in the adult are not completely clarified [ 10 , 11 ]. Repair is feasible in case there is predominant regurgitation with well-developed chords.…”

Section: Discussionmentioning

confidence: 99%

Parachute mitral valve associated with reticular chordae tendineae in an adult: case report

Duan

Dong

et al. 2021

J Cardiothorac Surg

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Background Parachute mitral valve with reticular chordae tendineae is an extremely rare anomaly. Case presentation We present a case of parachute mitral valve associated with distinctive reticular chordae tendineae in an adult. It was diagnosed from the echocardiogram. The patient was referred for surgery. Valve analysis showed thickened mitral valve leaflets and commissures. The chordae tendinae were lengthy and thick. All the chordae tendinae merged into a solitary papillary muscle. A distinctive reticular fibrous tissue was found on mitral valve apparatus as the chordae tendinae intermixed each other. The only functional communication between the left atrium and the left ventricle was through the reticular spaces. This anomaly was considered to be unrepairable and was replaced with a mechanical valve. Conclusions An extremely rare and unique case of parachute mitral valve associated with reticular chordae tendineae was reported. Mitral valve replacement is a reasonable choice in patients with parachute mitral valve with reticular chordae tendineae.

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Section: Discussionmentioning

confidence: 99%

Parachute mitral valve associated with reticular chordae tendineae in an adult: case report

Duan

Dong

et al. 2021

J Cardiothorac Surg

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“…7 Parachute mitral valve can occur along with other cardiac defects in approximately 95% of cases. 8 It forms part of Shone complex, which may also consist of the presence of a supraannular mitral ring, subaortic stenosis, and aortic coarctation. Shone complex is rare, with the incidence being quoted as 0.6% of congenital cardiac abnormalities.…”

Section: Discussionmentioning

confidence: 99%

An Unusual Cause of Stroke in a Young Adult

Montgomery

Murphy

Joseph

2020

Journal of Cardiothoracic and Vascular Anesthesia

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“…The congenital abnormalities in MV apparatus including chordae tendineae, papillary muscles, and MV leaflets are rare, it may remain asymptomatic in the lifetime, or may present with mitral stenosis, mitral insufficiency, or both [4]. In the embryological development of MV, there is a prominent horseshoe-shaped myocardial ridge that appears nearly on the 33rd fetal day from the anterior wall of the LV and extends to the posterior wall [5].…”

Section: Discussionmentioning

confidence: 99%

Isolated adult congenital uni-leaflet severe mitral valve stenosis, a case report, and review of literature

Naeim

Taha

et al. 2019

Journal of Cardiology Cases

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Reported cases of uni-leaflet mitral valve (MV) were related to the absence or dysplasia of the posterior mitral leaflet with ample anterior mitral leaflet. We present here a new entity of uni-leaflet MV where the MV appears as a membrane-like structure with a single slit-like orifice at its lateral part with no commissures. Case report: Continuous Doppler flow revealed a mean pressure gradient of 19 mmHg across the mitral valve indicating severe mitral stenosis. In 3D images from the left atrial view, the MV appeared like a membrane with a single orifice in its lateral part toward the left atrial appendage, the area of this orifice by 3D was 0.52 cm 2 , there were no commissures or even any residual lines at the site where commissures should be. The diagnosis of congenital severe mitral stenosis due to acommissural MV was confirmed. During surgery, the surgical appearance of the MV confirmed our diagnosis by 3D. Conclusion: Isolated congenital severe mitral stenosis presenting in adulthood is rare, uni-leaflet MV as a cause is only reported in a few cases. MV replacement is usually indicated due to the abnormal anatomy of MV leaflets and the subvalvular apparatus.

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Spectrum of congenital mitral valve abnormalities associated with solitary undifferentiated papillary muscle in adults

Abstract: In adult patients, a high index of suspicion is required to detect congenital mitral stenosis/regurgitation with large solitary PM (resembling a parachute mitral valve) which may masquerade as hypertrophic cardiomyopathy or rheumatic mitral valve disease.

Cited by 4 publications

References 18 publications

Parachute mitral valve associated with reticular chordae tendineae in an adult: case report

Parachute mitral valve associated with reticular chordae tendineae in an adult: case report

An Unusual Cause of Stroke in a Young Adult

Isolated adult congenital uni-leaflet severe mitral valve stenosis, a case report, and review of literature

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