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A Case Report Of Mitral Valve Repair For Traumatic Mitral Regurgitation
Yukikatsu Okada, Shuhei Kogure, Takashi Muro, Mitsuru Nakao.
Midori hospital, Kobe, Japan.

Traumatic mitral regurgitation is rare and requires immediate surgical correction to avoid congestive heart failure. We present a rare case who requires surgical correction five years after traffic accident. A 22 year-old male was referred to our hospital because of symptomatic severe mitral regurgitation. Transthoracic echocardiography showed severe mitral regurgitation due to A1-2 and P1-2 prolapse. LVDd and LVDs were 58mm and 36mm. LA dimension was 51mm. Echo high-density structure extends to the apex from the base of anterolateral papillary muscle. Traumatic mitral regurgitation was strongly suspected. At operation, there was no injury at anterior or posterior leaflet. There was no chordal rupture. Anterolateral papillary muscle was partially torn and lacerate to the apex. The body of papillary muscle was anastomosed to the corresponded LV posterior wall using 2-0 braided sutures with pledget. Ring annuloplasty was added. Intraoperative transesophageal echocardiography and transthoracic echocardiography did not demonstrate any residual regurgitation.

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