Rupture of the Anterolateral Papillary Muscle Caused by a Single Diagonal Branch Obstruction

Hiroshi Wada; Takanori Yasu; Seiichiro Murata; Masahiro Ohta; Norifumi Kubo; Mikihisa Fujii; Masatoshi Kuroki; Masanobu Kawakami; Muneyasu Saito

doi:10.1253/circj.66.872

Case Report

Rupture of the Anterolateral Papillary Muscle Caused by a Single Diagonal Branch Obstruction

Hiroshi Wada, Takanori Yasu, Seiichiro Murata, Masahiro Ohta, Norifumi Kubo, Mikihisa Fujii, Masatoshi Kuroki, Masanobu Kawakami, Muneyasu Saito

Author information

Hiroshi Wada
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Takanori Yasu
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Seiichiro Murata
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Masahiro Ohta
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Norifumi Kubo
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Mikihisa Fujii
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Masatoshi Kuroki
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Masanobu Kawakami
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School
Muneyasu Saito
Department of Integrated Medicine 1, The Division of Pathology and The Division of Cardiovascular Surgery, Omiya Medical Center, Jichii Medical School

Keywords: Myocardial infarction, Papillary muscle rupture, Percutaneous cardiopulmonary support system, Shock

JOURNAL FREE ACCESS

2002 Volume 66 Issue 9 Pages 872-873

DOI https://doi.org/10.1253/circj.66.872

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Abstract

This report presents the first case of anterolateral papillary muscle rupture caused by a diagonal branch occlusion only. Although the patient was in shock on admission, he was successfully treated by emergency surgery after hemodynamic stabilization by a percutaneous cardiopulmonary support system. This case implies that the anterolateral papillary muscle has a single blood supply and that it can rupture by an occlusion of only one diagonal branch even after balloon angioplasty. (Circ J 2002; 66: 872 - 873)

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