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Title: Percutaneous balloon valvuloplasty for bioprosthetic mitral valve stenosis.
Authors: Hamatani, Yasuhiro
Saito, Naritatsu  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-9219-5279 (unconfirmed)
Tazaki, Junichi  kyouindb  KAKEN_id
Natsuaki, Masahiro
Nakai, Kentaro
Makiyama, Takeru  kyouindb  KAKEN_id
Sasaki, Yasuhiro
Imai, Masao  kyouindb  KAKEN_id
Watanabe, Shin  kyouindb  KAKEN_id
Shioi, Tetsuo
Kimura, Takeshi  kyouindb  KAKEN_id
Inoue, Kanji
Author's alias: 齋藤, 成達
Keywords: Balloon valvuloplasty
Prosthetic mitral valve stenosis
Issue Date: Sep-2013
Publisher: Springer Japan
Journal title: Heart and vessels
Volume: 28
Issue: 5
Start page: 667
End page: 671
Abstract: Percutaneous transcatheter mitral valvuloplasty is the indicated treatment of choice for symptomatic native mitral valve stenosis, but there have been limited reports of successful procedures of balloon valvuloplasty for bioprosthetic mitral valve stenosis. We present the case of a 62-year-old woman suffering from progressive dyspnea due to bioprosthetic mitral valve stenosis. The measured mean pressure gradient across the mitral valve was 30 mmHg and the mitral valve area was 0.73 cm(2). Redoing mitral replacement was considered high risk and was refused by the patient. Percutaneous balloon valvuloplasty was performed with an Inoue balloon catheter inflated to 20 mm. The patient's symptoms immediately improved after the procedure, with no procedure-related complications. The mean pressure gradient across the valve decreased to 19 mmHg, and the mitral valve area increased to 1.21 cm(2) in postprocedural echocardiography. We conducted a literature search and identified 26 cases of balloon valvuloplasty for degenerated bioprosthetic valves. Of these, 14 cases were bioprosthetic mitral valves, and the results were favorable. However, more case reports are required to establish an evidence base for future expert recommendation of balloon valvuloplasty of prosthetic mitral valve. Meanwhile, balloon valvuloplasty will serve a niche role in highly selected patients with prosthetic mitral valve stenosis.
Rights: The final publication is available at Springer via http://dx.doi.org/10.1007/s00380-012-0309-7.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/193055
DOI(Published Version): 10.1007/s00380-012-0309-7
PubMed ID: 23180241
Appears in Collections:Journal Articles

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