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PubMed1993

[Subacute rupture of the free wall of the heart. Clinical echocardiographic and pathological aspects apropos of 10 cases].

Three distinct forms of rupture of the heart may be identified after myocardial infarction: sudden rupture with massive intrapericardial haemorrhage, and sudden death with clinical signs of electromechanical dissociation; rupture into the pericardium resulting in a false aneurysm, the treatment of which is surgical; subacute rupture which accounts for 30% of cases in which bleeding into the pericardium is slow and/or repeated. Over an 8 year period and in a series of 2,400 consecutive infarcts admitted to the intensive care unit, 10 cases of subacute rupture of the heart were diagnosed. They were 6 men and 4 women, with a mean age of 73.6 years. The clinical presentation was isolated chest pain in 5 cases, syncope alone in 2 cases and the association of pain and syncope in 3 cases. Six patients were in shock on admission. In two cases, shock developed after admission. The infarction was confirmed biologically by a significant elevation of creatinine kinase in 9 out of 10 cases. Transmural infarction was observed in 9 cases: the infarct was electrocardiographically non-transmural in 1 case. Emergency echocardiography showed pericardial effusion in all cases, usually moderate, but sometimes compressive with an intrapericardial echogenic mass suggesting a thrombus. Haemodynamic improvement was obtained by medication allowing cardiac catheterisation which showed adiastole in 3 cases. Coronary angiography was performed in 7 cases. In 5 of the 7 cases, apart from occlusion of the artery presumed to be responsible for the infarct, the coronary vessels were diffusely infiltrated without significant stenosis. Left ventriculography was performed in 7 cases. In 6 of the 7 cases regional akinesis was demonstrated: the 7th case showed dyskinesia of the anterior wall. In two cases, contrast medium was observed to fill the pericardium during ventriculography, indicating myocardial rupture. The diagnosis of subacute rupture, suggested by clinical and paraclinical (particularly echocardiography), was confirmed in 9 cases at surgery and in the 10th case at autopsy. Surgery consisted of repairing the rupture. In the last two cases, biological glue was used to reinforce the surgical repair. The clinical outcome was good after surgery in 6 cases with a follow-up of 5 months to 8 years. The diagnosis of subacute rupture should therefore be made on clinical and echocardiographic criteria, as these results suggest that surgery is often possible, with a good prognosis.

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[Leiomyosarcoma of the heart and great vessels].

Leiomyosarcomas (LMS) of the heart are exceptional primary malignant tumours with a catastrophic prognosis and a mean survival measured in months. Extensive radical surgical resection clearly remains the most appropriate treatment. We report three cases observed over a 3-year period, consisting of an LMS of the inferior vena cava, an LMS of the pulmonary artery trunk and an LMS of the left atrium. The first case was treated by radical resection and reconstruction by autologous vein graft of the cavorenal junction, the second case was treated by extensive resection and prosthetic reconstruction of the pulmonary artery bifurcation and the third case was treated by a first radical resection of the left atrium, requiring total cardiectomy and orthotopic heart transplantation for local recurrence at the sixth month. The survical was significantly improved compared to other treatment options (chemotherapy, radiotherapy). The first patient is still alive without recurrence at two years; the second died 12.5 months after the surgical procedure and the medium-term follow-up of the transplanted patient revealed cerebral and hepatic metastases nine months after transplantation. The authors review the literature concerning these extremely rare malignant tumours. Recent progress of diagnostic investigations, such as spiral CT with reconstruction, MRI, positron emission tomography (PET), are now able to establish the diagnosis more rapidly and therefore allow more radical surgical resection. This resection, possibly combined with venous reconstruction, must be associated with adjuvant therapies. Heart transplantation should be considered among the treatment options for leiomyosarcomas of the heart, in order to improve the poor prognosis of these lesions affections a young population.

Brain Neoplasms↗