BACKGROUND Recently, infant cases of acute heart failure attributable to rupture of the mitral chordae tendineae have been reported. However, little is known about the pathogenesis and clinical course of this condition. METHODS AND RESULTS Ninety-five children with rupture of mitral chordae tendineae were identified in nationwide surveys of Japan diagnosed from 1995 to 2013. The clinical mani...

CADIOVASCULAR sound may be divided into 2 categories,' namely, murmurs that result from turbulence in streams of blood flowing so rapidly that the critical Reynolds2' 3 number is exceeded and, heart sounds that represent vibrations resulting from abrupt changes in the velocity of blood movement. Since closure of the heart valves suddenly arrests or reverses the movement of blood, normal valve f...

A flow probe for direct measurement of blood flow of the mitral valve was devised. It was useful for acute experiment, particularly concerning pathophysiology of the mitral valve function. Insertion of the probe into the left atrium and fixation to the left atrial wall and thus to the mitral orifice were readily and satisfactorily performed without disturbance of blood flow and valvular functio...

Shone, Sellers, Anderson, Adams, Lillehei, and Edwards (1963) descri;bed a developmental deformity of the mitral valve characterized by insertion of the chordae tendineae into a single papillary muscle, producing a funnel-shaped valve which is to some degree stenotic. They employed the term 'parachute' first used by Edwards (1961), and noted an association with other leftsided cardiac deformiti...

We describe a case of mitral valve annular dilatation caused by a huge left atrial myxoma obstructing the mitral valve orifice. A 50-year-old man presenting with palpitation was found to have a huge left atrial myxoma protruding into the left ventricle during diastole, causing severe mitral regurgitation. The diagnosis was made with echocardiogram. Transoesophageal echocardiography revealed a s...

In hypertrophic cardiomyopathy (HCM), rupture of mitral chordae tendineae is infrequent and causes acute haemodynamic deterioration. A 38 year old male patient had chordae rupture leading to prolapse of both mitral leaflets and severe regurgitation, without change in symptomatic status. One year before, he had had mild mitral regurgitation and a resting left ventricle outflow tract of 105 mm Hg...

development of established endocarditis and symptoms. This is particularly true in pure mitral stenosis where symptoms may not begin until 20 years after the acute attack. Mitral stenosis represents a less severe degree of valve damage than does severe mitral regurgitation or mixed lesions in which the subvalvar apparatus, the chordae and papillary muscles, are involved as well as the valve cus...

Although mitral valve repair (MVR)—for mitral regurgitation (MR) secondary to chronic valvular heart disease (CVHD)— is becoming more common in veterinary medicine, there is little information about the morphology of the mitral valve apparatus that is used to guide veterinary surgeons. Therefore, we investigated the locations of MR using echocardiography in 12 client-owned dogs with MR. Nine (7...

Appropriate length adjustment of neo-chordae using PTFE sutures for mitral valve repair in degenerative valve disease has a crucial impact on both early and late outcomes of the repair. Herein we describe an adjuvant approach to facilitate the length adjustment.

∗ Corresponding author. E-mail address: [email protected] (G.S. Kim). (Figure 1). Because of the potential systemic embolic risk, the patient was referred for complete surgical removal. On operative inspection, the lesion was between the anterior mitral leaflet and primary chordae (Figure 2). A mitral valve repair (28 mm ring annuloplasty, triangular resection of the anterior leaflet and n...