Document Detail

Clinical significance of mitral regurgitation in patients with recent myocardial infarction.
MedLine Citation:
PMID:  3391184     Owner:  NLM     Status:  MEDLINE    
The prognostic implications of the presence of mitral regurgitation (MR) in patients with recent myocardial infarction has not been clarified yet. In March 1983, we undertook a prospective study in patients surviving a first episode of acute myocardial infarction. Over a 4-year period, 266 patients entered the study. Left ventriculography documented the presence of MR in 51 patients, while 215 did not have angiographic evidence of MR. The presence of MR was associated with larger infarcts, as shown by greater values of peak CK (P less than 0.05) and by the prevalence of Q-wave vs non-Q-wave infarctions (P less than 0.05). Transient left ventricular failure during hospitalization was more frequent in patients with MR (P less than 0.05), while the occurrence of early post-infarction angina was similar in the two groups of patients. No difference was found in the extent of coronary disease, yet patients with MR had higher values of left ventricular end diastolic pressure (LVEDP) (P less than 0.005) and a lower ejection fraction (EF) (P less than 0.001). Patients with MR had a reduced exercise capacity (P less than 0.005), but signs of myocardial ischaemia were similarly distributed in the two groups. Patients with anterior infarcts and MR had higher left ventricular volumes than patients without MR, while no difference was found between patients with and patients without MR and inferior infarction, suggesting that left ventricular dilatation may play an important role in the pathogenesis of MR in patients with anterior but not in those with inferior infarction.(ABSTRACT TRUNCATED AT 250 WORDS)
S De Servi; L Vaccari; J Assandri; E Poma; P Cioffi; A Sciré; G Specchia
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European heart journal     Volume:  9 Suppl F     ISSN:  0195-668X     ISO Abbreviation:  Eur. Heart J.     Publication Date:  1988 Apr 
Date Detail:
Created Date:  1988-08-18     Completed Date:  1988-08-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8006263     Medline TA:  Eur Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  5-9     Citation Subset:  IM    
Divisione di Cardiologia, Policlinico San Matteo, Pavia, Italy.
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MeSH Terms
Coronary Angiography
Exercise Test
Follow-Up Studies
Middle Aged
Mitral Valve Insufficiency / etiology*
Myocardial Infarction / complications*,  radiography
Prospective Studies

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