Mechanics of percutaneous balloon valvotomy for mitral valvular stenosis |
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| Authors: | Yuichiro Matsuura Shintaro Fukunaga Hiroshi Ishihara Yoshiharu Hamanaka Taijiro Sueda Goro Kajiyama Hideo Matsuura Mitsunori Okamoto Kanji Inoue |
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| Affiliation: | (1) The 1st Department of Surgery, Hiroshima University School of Medicine, 1-2-3 Kasumi, Minami-ku, 734 Hiroshima, Japan;(2) The 1st Department of Internal Medicine, Hiroshima University School of Medicine, 1-2-3 Kasumi, Minami-ku, 734 Hiroshima, Japan;(3) The Department of Thoracic Surgery, Kochi Municipal Hospital, 780 Kochi, Japan |
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| Abstract: | ![]()
Summary The present study was performed to measure and calculate the mechanical force of percutaneous balloon valvotomy (PBV) for mitral valvular stenosis, using an equation pertaining to the mechanical force of the balloon needed to dilate the stenotic mitral valve. In case 1, the diameter of the mitral valve was enlarged by PBV from 1.43 cm to 2.40 cm and, in case 2, from 1.76 cm to 2.42 cm, with a mechanical force of 321 g and 436 g, respectively, following the equation. |
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| Keywords: | Mitral stenosis Balloon valvotomy |
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