1989
DOI: 10.1016/0003-4975(89)90426-8
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Mitral valve annuloplasty: The effect of the type on left ventricular function

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Cited by 141 publications
(68 citation statements)
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References 13 publications
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“…At a later date, the same group clinically confirmed this by reporting such rings to be a determinant for depressed ventricular function 14 , and supporting the use of malleable rings in carriers of a rheumatic valve pathology with reduced annular contractility, as occurred in 87.6% of the presently studied cases. Furthermore, the rigid ring may also cause the obstruction of the left ventricular outflow tract observed in 4.5 to 10% of the cases [15][16][17][18] , a fact not observed in annuloplasty with completely flexible rings 14,31 or with flexible posterior rings 26,28,29 , results of the present study included.…”
Section: Arq Bras Cardiolsupporting
confidence: 58%
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“…At a later date, the same group clinically confirmed this by reporting such rings to be a determinant for depressed ventricular function 14 , and supporting the use of malleable rings in carriers of a rheumatic valve pathology with reduced annular contractility, as occurred in 87.6% of the presently studied cases. Furthermore, the rigid ring may also cause the obstruction of the left ventricular outflow tract observed in 4.5 to 10% of the cases [15][16][17][18] , a fact not observed in annuloplasty with completely flexible rings 14,31 or with flexible posterior rings 26,28,29 , results of the present study included.…”
Section: Arq Bras Cardiolsupporting
confidence: 58%
“…Clinical evidence indicates pronounced improvement in diastolic functional response as well as of volume and dimension of the left ventricle during a follow-up period of one year 14 ; this carries promise for the evolution of the patients studied in this work.…”
Section: Arq Bras Cardiolmentioning
confidence: 68%
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“…Обсуждение В раннем послеоперационном периоде опорное кольцо C flex демонстрирует сопоставимые с D ring пока-затели ремоделирования левых и правых отделов сердца. Однако в отдаленном периоде только в группе С про-цессы ремоделирования продолжались, что представля-ется весьма согласованным с данными David T. [9], полу-чившим такие результаты на существенно меньшей выборке (13 и 12 пациентов) уже на госпитальном этапе.…”
Section: Study Orunclassified
“…Theoretically,t oa chieve the same leaflet coaptation height with anon-sculpted rigid ring or aflexible ring would requirem ores ignificant undersizing. Although the differences in clinical outcome do not support the use of ac omplete versus ap artial ring (44), given the evidence that the inter-trigonal region also dilates over time (10,45,46) and the minimal additional time required to place ac omplete ring, it is reasonable to suggest that complete rings arelikely to provide better long-termdurability.Some evidence also supports the use of rigid rings versusflexible rings in patients with MR secondary to heart failure( 47), although concerns remain that rigid ring annuloplastym ay adversely affect LV function (48,49). Some theoretical concerns can be raised that significant undersizing of mitral annulus causes systolic anterior motion (SAM) of the anterior leaflet.…”
Section: Surgical Approachmentioning
confidence: 99%