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PubMed1990

[Heart wall rupture as a grave complication of acute myocardial infarct].

The rupture of the heart wall is a severe complication of the acute myocardial infarction. We found it in 3.5% of the deceased patients with an acute myocardial infarction. The average age of these patients was 71 years. 75% of the patients died during the first five days after the event of the myocardial infarction. Apart from elderly patients with myocardial infarction such ones with a transmural myocardial infarction in the region of the left ventricle, an enlargement of the heart and signs of an insufficiency of the left heart, with a hypertension and diabetes mellitus seemed to be endangered. These patients need the most exact control and observation and in case of suspicion (symptomatology of angina pectoris which is continuing to exist) of a developing rupture of the heart wall and aimed diagnostics (echocardiography) and therapy must be begun immediately.

Acute Disease↗
PubMed1990

Methylprednisolone interventions in myocardial infarction: a controversial subject.

Myocardial infarction is a dynamic evolutionary process which can progress over a relatively prolonged interval after its onset. The ultimate extent of damage depends on coronary artery anatomy, the balance between myocardial oxygen supply and demand, and metabolic modulators of myocardial injury. The possibility that methylprednisolone, a synthetic anti-inflammatory corticosteroid, may exert a beneficial effect on ischemic myocardium has been studied in both animal models and patients. However, the results of these experimental and clinical investigations have been controversial, in that some have demonstrated efficacy of the drug to limit extension of evolving myocardial infarction, while others have not. The effects of dose regimen and duration of methylprednisolone administration on preservation of myocardium and infarct size remain unclear, especially in clinical studies. The problem resides in the large interindividual variations among patients in degree and distribution of coronary disease, concomitant drugs, the accuracy of techniques for measuring and monitoring changes in myocardial infarct size, and the small numbers of patients involved in the majority of these studies. The absence of clarity will continue to cast doubts over the use of methylprednisolone until its marked beneficial effects can be significantly demonstrated.

Animals↗
PubMed1990

[Differences between men and women in fatal cases of myocardial infarction: study of 200 necropsies].

PURPOSE: To compare morphological characteristics from myocardial infarction (IM) in men and women in 200 consecutive necropsies. MATERIAL AND METHODS: Necropsy heart findings from 62 female cases compared with those from 138 male cases, from patients who died from transmural myocardial infarction. Age ranged from 21 to 82 (mean 60) years. RESULTS: Concerning the coronary arteries, the number of 3 major (right, left anterior descending and left circumflex) epicardial coronary arteries narrowed at some point greater than 70% in cross-sectional area by atherosclerotic plaque was not significantly different; on the other hand, there were more severe lesions in the left main coronary artery in men (10.33%) than in women (1.64%) (p = 0.050). 33.33% of men and 43.55% of women had only recent myocardial infarction (1 month or less); 33.33% of men and 14.52% of women had only old myocardial infarction (more than 1 month); 33.33% of men and 41.94% of women had both recent and old myocardial infarction. 12.90% of women and 2.17% of men showed rupture of the left ventricle (p = 0.0220). 15.22% of men and 6.45% of women had left ventricular aneurysms (p = 0.830). CONCLUSION: There are more deaths during the acute phase of MI, in the first infarction and from rupture of the left ventricle in female patients; in men, there are more deaths occurring in chronic phases of the disease and with previous myocardial infarction; and more severe narrowing from the left main coronary artery.

Adult↗
PubMed1990

Rupture of both left ventricular papillary muscles following acute myocardial infarction.

A 77-year-old woman collapsed shortly after arrival at the emergency department and attempts at resuscitation were unsuccessful. Autopsy revealed an evolving recent transmural myocardial infarct in the posterolateral free wall of the left ventricle with rupture of both papillary muscles. No well documented description of post infarction dual papillary muscle rupture was found in the literature.

Aged↗
PubMed1990

Cardiac rupture following acute myocardial infarction: a case with successful surgical treatment.

This report involves a patient who sustained an acute lateral wall myocardial infarction complicated by cardiogenic shock. Cardiac catheterization revealed diastolic equilibration of all intracardiac pressures. Cardiac angiography revealed only acute occlusion of a small branch of the left circumflex coronary artery with good left ventricular systolic function. Since these findings could not explain the degree of cardiogenic shock, an immediate echocardiogram revealed a moderate pericardial effusion with an echo-dense mass suggestive of subacute cardiac rupture. Emergency cardiac surgery confirmed the diagnosis and successful surgical correction resulted in survival of the patient.

Cardiac Catheterization↗
PubMed1990

[Surgical treatment of postinfarction left ventricular free wall rupture--experience of 12 cases including 2 successful repairs of acute (blow out) rupture].

Left ventricular free wall rupture (LVFWR) complicating myocardial infarction is still a lethal complication. Although there have been reports of successful repair of LVFWR, most of them were of subacute type in which main symptom was cardiac tamponade and the surgical repair was undertaken several hours after the onset of rupture. Between March, 1984 and June, 1987. We treated 12 cases of LVFWR surgically, thoracotomy and open drainage in 2 cases, thoracotomy and direct closure of rupture in 8 cases, median sternotomy and patch closure of rupture in 2 cases. We used cardiopulmonary bypass (CPB) only in 3 cases, because most of the cases except two developed electromechanical dissociation abruptly, requiring an emergency thoracotomy and there was no time for establishing CPB. In the cases of electromechanical dissociation, cardiopulmonary resuscitation and an emergency thoracotomy were performed simultaneously. There were three early survivors (greater than 30 days) by emergency thoracotomy and direct closure of rupture and one survivor (double rupture case) by patch closure on CPB. We believe that acute type of LVFWR in which initial symptom is electromechanical dissociation without any preceding symptoms can be rescued by emergency thoracotomy and direct closure of rupture with no aid of CPB if rupture is a small tear of anterior or lateral left ventricle. For this purpose, prompt diagnosis is mandatory and this is possible by two dimensional echocardiogram even during cardiopulmonary resuscitation.

Acute Disease↗
PubMed1990

[Images of magnetic resonance and computerized axial tomography in a case of subacute post-myocardial infarct heart rupture].

In a patient with clinical and hemodynamic criteria of cardiac tamponade, during the acute phase of myocardial infarction, a two dimensional echocardiographic study showed pericardial effusion with an echo-dense mass in the pericardial space. Subacute ventricular free-wall rupture diagnosis was suspected. A cardiac computerized tomography (CT) and magnetic resonance (MR) study was made. CT showed an elevated density (32 HU) of pericardial effusion suggesting hemopericardium. RM imaging showed a very high and homogeneous signal in the pericardial space consistent with a methemoglobin phase clot. Anatomic confirmation was not possible.

Acute Disease↗
PubMed1990

[Two cases of cardiac rupture after myocardial hemorrhagic infarct].

Two patients, both of whom were men over 65 years of age who had no history previous myocardial infarcts, had sudden chest pain. One of the men died due to cardiogenic shock on the first day, and the other died on the fourth hospital day. Each autopsy disclosed transmural myocardial infarct with hemorrhage, resulting in cardiac rupture. Hemorrhage was recognized in the necrotic area of the myocardial infarcts. Each cardiac rupture was found in the center of the hemorrhagic infarcts. The ruptures were tear-like slits. The healing process of the infarct was much more delayed in the hemorrhagic area than in the anemic area. These two cases suggest that hemorrhagic infarct may be one of the risk factors of cardiac ruptures.

Aged↗
PubMed1990

Surgical treatment of complications of acute myocardial infarction.

Complications of acute myocardial infarction that develop within the first 2 weeks after its onset have been associated with a poor prognosis and dismal surgical outcome. In recent years, aggressive use of hemodynamic monitoring and interventions that improve myocardial oxygen supply and demand have noticeably altered the prognosis. Urgent relief of myocardial ischemia with coronary reperfusion has had the largest impact in improving the results. Surgical treatment of mechanical and nonmechanical complications of acute myocardial infarction requires prompt decision making and expeditious implementation. Persistent left ventricular dysfunction and cardiogenic shock are the most important factors that influence the overall results.

Angioplasty, Balloon, Coronary↗
PubMedDate not supplied

Apparent rupture of the ventricular septum after myocardial infarction in an infant with congenital heart disease.

Clinical and angiocardiographic simulation of rupture of the interventricular septum, in an infant with an endocardial cushion defect and documented myocardial infarction is reported. Close straddling of a proven congenital muscular apical ventricular septal defect by trabeculae carne is believed to have led to the angiocardiographic simulation of a post-infarction apical ventricular septal defect. In the surgical approach to post-infarction ventricular septal defects, the implication of such a simulation could be important.

Heart Rupture↗
PubMed1979

[Surgery of ventricular aneurysms and akinetic zones].

Operation was performed in 180 patients with post-infarction ventricular aneurysm (12 cases) or akinesia (92 cases). Simultaneously in 2 cases mitral valve replacement was performed and in 2 cases ruptured ventricular septum was treated by patch. The results are reported and discussed.

Adult↗
PubMed1979

[False aneurysm associated with mitral insufficiency due to rupture of the heart at the point of insertion of the anterior papillary muscle. A successfully operated case].

Although rupture of a mitral papillary muscle during myocardial infarction is well known, and post-infarction transmural ruptures causing false aneurysms occasionally reported, the association of rupture of the anterior papillary muscle and a underlying transmural parietal rupture giving rise to a false aneurysm is quite exceptional, and, to the best of our knowledge, has not previously been reported. Despite the serious nature of the disease, surgical cure of the aneurysm with mitral valve replacement was successful, due to the limitation of the anatomical disruption by early pericardial symphysis.

Aneurysm↗
PubMed1976

Post-infarction cardiac rupture.

Three allied conditions are described in this paper: (i) haemopericardium with cardiac rupture (5 cases); (ii) haemopericardium without rupture (2 cases); (iii) pseudoaneurysm (1 case). In the first 2 of these, the significant features were clinical deterioration with shock 3 or more days after infarction, recurrent cardiac pain, cardiac tamponade, and immediate or later ineffectiveness of counterpulsation. An additional feature in the second group was the development of haemopericardium after heparin therapy. In the third group, infarction followed by left ventricular failure and progressive cardiac enlargement was the significant feature. An apical systolic murmur was not present, as a false sac had not been formed. Ante-mortem diagnosis depends upon an appreciation of these features. Without it successful surgery is impossible. There were 4 survivors in this group of 8 patients.

Aged↗
PubMed1990

[Mitral valve replacement in post-infarction rupture of the papillary muscle. Apropos of 13 cases surgically treated during the acute phase of infarction].

Between 1983 and 1988, thirteen patients (12 men and 1 women, average age 63 years) were operated in the acute phase of myocardial infarction for papillary muscle rupture (PMR). The rupture involved the posterior papillary muscle in 12 cases. The average left ventricular ejection fraction was 47 +/- 9 per cent (range 34 to 63%). Pulmonary capillary pressures ranged from 76 to 41 mmHg (average 35 mmHg). Eleven patients presented with acute pulmonary oedema and 7 had cardiogenic shock. Coronary arteriography showed triple vessel disease in 3 cases, double vessel disease in 7 cases and single vessel disease in 3 cases. Surgery was carried out on average 2.7 days after the rupture and 10 days after the initial infarct. In addition to mitral valve replacement (N = 13), 11 patients underwent a myocardial revascularisation procedure. The operative mortality was 15 per cent (N = 2). Papillary muscle rupture in the acute phase of myocardial infarction causes cardiac failure which is related more to the mechanical abnormality than to an alteration of left ventricular function. Considering the operative mortality and the natural history of PMR treated medically, the authors recommend early surgery as the only management which can improve the precarious haemodynamic status of patients with this complication.

Aged↗
PubMed1990

[Post-infarction pseudoaneurysm of the left ventricle as a cause of heart failure. Presentation of a surgically treated case].

Pseudoaneurysm of the left ventricle is an unusual complication of myocardial infarction. Surgical resection is justified by the high risk of rupture. Patients may be asymptomatic, more often a clinical state of chronic heart failure is present. We report on a patient who successfully underwent urgent resection of a large pseudoaneurysm which was the cause of acute heart failure.

Emergencies↗