2014
DOI: 10.1001/jama.2014.12679
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Survival and Long-term Outcomes Following Bioprosthetic vs Mechanical Aortic Valve Replacement in Patients Aged 50 to 69 Years

Abstract: Among propensity-matched patients aged 50 to 69 years who underwent aortic valve replacement with bioprosthetic compared with mechanical valves, there was no significant difference in 15-year survival or stroke. Patients in the bioprosthetic valve group had a greater likelihood of reoperation but a lower likelihood of major bleeding. These findings suggest that bioprosthetic valves may be a reasonable choice in patients aged 50 to 69 years.

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Cited by 270 publications
(264 citation statements)
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“…Varios trabajos internacionales actuales están en consonancia con nuestro hallazgo y demostraron que el tipo de prótesis no es un factor independiente de mortalidad a largo plazo (6)(7)(8) . Así, en un estudio de cohortes realizado en 2014 por Chiang y colaboradores se incluyeron 4.253 pacientes de 50 a 69 años sometidos a SVA (7) .…”
Section: Discussionunclassified
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“…Varios trabajos internacionales actuales están en consonancia con nuestro hallazgo y demostraron que el tipo de prótesis no es un factor independiente de mortalidad a largo plazo (6)(7)(8) . Así, en un estudio de cohortes realizado en 2014 por Chiang y colaboradores se incluyeron 4.253 pacientes de 50 a 69 años sometidos a SVA (7) .…”
Section: Discussionunclassified
“…Así, en un estudio de cohortes realizado en 2014 por Chiang y colaboradores se incluyeron 4.253 pacientes de 50 a 69 años sometidos a SVA (7) . Se realizaron comparaciones entre los pacientes con prótesis biológica y mecáni-ca mediante pareamiento de propensión y no se encontraron diferencias significativas en la sobrevida a 15 años.…”
Section: Discussionunclassified
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“…Recently, however, there have been several papers that recommended B valves for patients younger than 65 years because of its improved durability. [7][8][9][10][11][12][13] In addition, the revised American Heart Association and American College of Cardiology guidelines released in 2014 recommend either a B or a M valve in patients between 60 and 70 years of age (Level of Evidence: B), a B valve in patients aged more than 70 years, and an M valve in patients aged less than 60 years (Level of Evidence: B). 14) On the other hand, there have been some reports that did not support lowering the cutoff age for B valves to less than 65 years because of insufficient evidence.…”
Section: Discussionmentioning
confidence: 99%
“…Mechanical prosthetic AVR requires life-long anticoagulation with the attendant risk of bleeding and embolic complications. Among patients 50-69 years old, though, mechanical AVR has a much lower risk of reoperation and may in fact impart a survival benefit (55)(56)(57). Mechanical prostheses are recommended for AVR in patients younger than 60 unless there are contraindications to anticoagulation, while bioprosthetic valves are favored among patients older than 70 (58).…”
Section: Replacement Of the Valve And Rootmentioning
confidence: 99%