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An elevated ratio o...
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Irnamura, TeruhikoUniversity of Tokyo, Japan
(author)
An elevated ratio of early to late diastolic filling velocity recovers after heart transplantation in a time-dependent manner
- Article/chapterEnglish2012
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Elsevier,2012
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LIBRIS-ID:oai:DiVA.org:liu-111194
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-111194URI
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https://doi.org/10.1016/j.jjcc.2012.05.011DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Funding Agencies|FUGAKU trust for medicinal research; Japan Society for the Promotion of Science [224943]; Japan Society for the Promotion of Science (JSPS)
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BackgroundSeveral groups have reported that an elevated ratio of early (E) to late (A) diastolic filling velocities is observed in patients after heart transplantation. However, the mechanism has not been fully analyzed.MethodsSerial echocardiography and hemodynamic study were performed in 16 patients who had received heart transplantation and had no evidence of rejection during 1 month after the operation.ResultsOn Day 1 after the surgery, E/A ratio was higher and peak velocity of A wave was lower than normal range among the patients after heart transplantation. E/A ratio and peak velocity of A wave gradually normalized during 1 moth after the surgery. Meanwhile, early mitral annular velocity and pulmonary capillary wedge pressure remained within normal range during the study period.ConclusionsLonger ischemic time during heart transplantation procedure may cause atrial stunning, but it appears to recover within 1 month. We have to be alert to misinterpretation of this “psuedo-psuedonormal” mitral inflow pattern early after transplantation.
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Kinugawa, KoichiroUniversity of Tokyo, Japan
(author)
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Shiga, TaroUniversity of Tokyo, Japan
(author)
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Endo, MiyokoUniversity of Tokyo, Japan
(author)
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Kato, NaokoUniversity of Tokyo, Japan(Swepub:liu)naope77
(author)
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Inaba, ToshiroUniversity of Tokyo, Japan
(author)
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Maki, HisatakaUniversity of Tokyo, Japan
(author)
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Hatano, MasaruUniversity of Tokyo, Japan
(author)
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Yao, AtsushiUniversity of Tokyo, Japan
(author)
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Nishimura, TakashiUniversity of Tokyo, Japan
(author)
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Hirata, YasunobuUniversity of Tokyo, Japan
(author)
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Kyo, ShuneiUniversity of Tokyo, Japan
(author)
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Ono, MinoruUniversity of Tokyo, Japan
(author)
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Nagai, RyozoUniversity of Tokyo, Japan
(author)
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University of Tokyo, Japan
(creator_code:org_t)
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In:Journal of Cardiology: Elsevier60:4, s. 295-3000914-50871876-4738
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Irnamura, Teruhi ...
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Kinugawa, Koichi ...
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Shiga, Taro
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Endo, Miyoko
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Kato, Naoko
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Inaba, Toshiro
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Maki, Hisataka
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Hatano, Masaru
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Yao, Atsushi
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Hirata, Yasunobu
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Kyo, Shunei
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Ono, Minoru
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Nagai, Ryozo
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Linköping University