Unusual case of acute posteromedial papillary muscle rupture after acute anterior myocardial infarction

Cherian, P. S., Clarke, A. J. B. and Burstow, D. J. (2014) Unusual case of acute posteromedial papillary muscle rupture after acute anterior myocardial infarction. Heart Lung and Circulation, 23 1: e16-e19. doi:10.1016/j.hlc.2013.07.005


Author Cherian, P. S.
Clarke, A. J. B.
Burstow, D. J.
Title Unusual case of acute posteromedial papillary muscle rupture after acute anterior myocardial infarction
Journal name Heart Lung and Circulation   Check publisher's open access policy
ISSN 1443-9506
1444-2892
Publication date 2014-01-01
Year available 2013
Sub-type Article (original research)
DOI 10.1016/j.hlc.2013.07.005
Volume 23
Issue 1
Start page e16
End page e19
Total pages 4
Place of publication Chatswood, NSW, Australia
Publisher Elsevier
Collection year 2014
Abstract Papillary muscle rupture is now a rare complication of acute myocardial infarction. Posteromedial papillary muscle rupture is more common than anterolateral papillary muscle rupture. The posteromedial papillary muscle is usually supplied from a branch of the right coronary artery. We present a case of posteromedial papillary muscle rupture due to an isolated left anterior descending artery lesion. This was diagnosed on the fifth day post infarction. The patient progressed to mitral valve replacement and coronary artery bypass grafting to the left anterior descending artery. We believe this unusual arterial supply to the posteromedial papillary muscle is due to an apex forming left anterior descending artery coupled with an apically located posteromedial papillary muscle.
Keyword Coronary artery bypass grafting
Left anterior descending artery
Mitral valve
Myocardial infarction
Papillary muscle rupture
Q-Index Code CX
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Non HERDC
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